1. 0.00 s $ /nix/store/9ypz3flqsrl5xl495mm8h645gadjsxi1-coreutils-9.11/bin/timeout --kill-after=15s 7200s /nix/store/23zk8sgzamrbmj1fday15szf7f2279s8-nix-2.34.7/bin/nix --extra-experimental-features nix-command --extra-experimental-features flakes flake clone git+https://github.com/alphal00p/gammaloop --dest /tmp/nix-ci-worker/stable-pwd/repo/
  2. 0.06 s Cloning into '/tmp/nix-ci-worker/stable-pwd/repo'...
  3. 0.82 s remote: Enumerating objects: 86529, done.
  4. 0.94 s remote: Counting objects: 0% (1/9097) remote: Counting objects: 1% (91/9097) remote: Counting objects: 2% (182/9097) remote: Counting objects: 3% (273/9097) remote: Counting objects: 4% (364/9097) remote: Counting objects: 5% (455/9097) remote: Counting objects: 6% (546/9097) remote: Counting objects: 7% (637/9097) remote: Counting objects: 8% (728/9097) remote: Counting objects: 9% (819/9097) remote: Counting objects: 10% (910/9097) remote: Counting objects: 11% (1001/9097) remote: Counting objects: 12% (1092/9097) remote: Counting objects: 13% (1183/9097) remote: Counting objects: 14% (1274/9097) remote: Counting objects: 15% (1365/9097) remote: Counting objects: 16% (1456/9097) remote: Counting objects: 17% (1547/9097) remote: Counting objects: 18% (1638/9097) remote: Counting objects: 19% (1729/9097) remote: Counting objects: 20% (1820/9097) remote: Counting objects: 21% (1911/9097) remote: Counting objects: 22% (2002/9097) remote: Counting objects: 23% (2093/9097) remote: Counting objects: 24% (2184/9097) remote: Counting objects: 25% (2275/9097) remote: Counting objects: 26% (2366/9097) remote: Counting objects: 27% (2457/9097) remote: Counting objects: 28% (2548/9097) remote: Counting objects: 29% (2639/9097) remote: Counting objects: 30% (2730/9097) remote: Counting objects: 31% (2821/9097) remote: Counting objects: 32% (2912/9097) remote: Counting objects: 33% (3003/9097) remote: Counting objects: 34% (3093/9097) remote: Counting objects: 35% (3184/9097) remote: Counting objects: 36% (3275/9097) remote: Counting objects: 37% (3366/9097) remote: Counting objects: 38% (3457/9097) remote: Counting objects: 39% (3548/9097) remote: Counting objects: 40% (3639/9097) remote: Counting objects: 41% (3730/9097) remote: Counting objects: 42% (3821/9097) remote: Counting objects: 43% (3912/9097) remote: Counting objects: 44% (4003/9097) remote: Counting objects: 45% (4094/9097) remote: Counting objects: 46% (4185/9097) remote: Counting objects: 47% (4276/9097) remote: Counting objects: 48% (4367/9097) remote: Counting objects: 49% (4458/9097) remote: Counting objects: 50% (4549/9097) remote: Counting objects: 51% (4640/9097) remote: Counting objects: 52% (4731/9097) remote: Counting objects: 53% (4822/9097) remote: Counting objects: 54% (4913/9097) remote: Counting objects: 55% (5004/9097) remote: Counting objects: 56% (5095/9097) remote: Counting objects: 57% (5186/9097) remote: Counting objects: 58% (5277/9097) remote: Counting objects: 59% (5368/9097) remote: Counting objects: 60% (5459/9097) remote: Counting objects: 61% (5550/9097) remote: Counting objects: 62% (5641/9097) remote: Counting objects: 63% (5732/9097) remote: Counting objects: 64% (5823/9097) remote: Counting objects: 65% (5914/9097) remote: Counting objects: 66% (6005/9097) remote: Counting objects: 67% (6095/9097) remote: Counting objects: 68% (6186/9097) remote: Counting objects: 69% (6277/9097) remote: Counting objects: 70% (6368/9097) remote: Counting objects: 71% (6459/9097) remote: Counting objects: 72% (6550/9097) remote: Counting objects: 73% (6641/9097) remote: Counting objects: 74% (6732/9097) remote: Counting objects: 75% (6823/9097) remote: Counting objects: 76% (6914/9097) remote: Counting objects: 77% (7005/9097) remote: Counting objects: 78% (7096/9097) remote: Counting objects: 79% (7187/9097) remote: Counting objects: 80% (7278/9097) remote: Counting objects: 81% (7369/9097) remote: Counting objects: 82% (7460/9097) remote: Counting objects: 83% (7551/9097) remote: Counting objects: 84% (7642/9097) remote: Counting objects: 85% (7733/9097) remote: Counting objects: 86% (7824/9097) remote: Counting objects: 87% (7915/9097) remote: Counting objects: 88% (8006/9097) remote: Counting objects: 89% (8097/9097) remote: Counting objects: 90% (8188/9097) remote: Counting objects: 91% (8279/9097) remote: Counting objects: 92% (8370/9097) remote: Counting objects: 93% (8461/9097) remote: Counting objects: 94% (8552/9097) remote: Counting objects: 95% (8643/9097) remote: Counting objects: 96% (8734/9097) remote: Counting objects: 97% (8825/9097) remote: Counting objects: 98% (8916/9097) remote: Counting objects: 99% (9007/9097) remote: Counting objects: 100% (9097/9097) remote: Counting objects: 100% (9097/9097), done.
  5. 3.15 s remote: Compressing objects: 0% (1/2083) remote: Compressing objects: 1% (21/2083) remote: Compressing objects: 2% (42/2083) remote: Compressing objects: 3% (63/2083) remote: Compressing objects: 4% (84/2083) remote: Compressing objects: 5% (105/2083) remote: Compressing objects: 6% (125/2083) remote: Compressing objects: 7% (146/2083) remote: Compressing objects: 8% (167/2083) remote: Compressing objects: 9% (188/2083) remote: Compressing objects: 10% (209/2083) remote: Compressing objects: 11% (230/2083) remote: Compressing objects: 11% (248/2083) remote: Compressing objects: 12% (250/2083) remote: Compressing objects: 13% (271/2083) remote: Compressing objects: 14% (292/2083) remote: Compressing objects: 15% (313/2083) remote: Compressing objects: 16% (334/2083) remote: Compressing objects: 17% (355/2083) remote: Compressing objects: 18% (375/2083) remote: Compressing objects: 19% (396/2083) remote: Compressing objects: 20% (417/2083) remote: Compressing objects: 21% (438/2083) remote: Compressing objects: 22% (459/2083) remote: Compressing objects: 23% (480/2083) remote: Compressing objects: 23% (490/2083) remote: Compressing objects: 24% (500/2083) remote: Compressing objects: 25% (521/2083) remote: Compressing objects: 26% (542/2083) remote: Compressing objects: 27% (563/2083) remote: Compressing objects: 28% (584/2083) remote: Compressing objects: 29% (605/2083) remote: Compressing objects: 30% (625/2083) remote: Compressing objects: 31% (646/2083) remote: Compressing objects: 32% (667/2083) remote: Compressing objects: 33% (688/2083) remote: Compressing objects: 34% (709/2083) remote: Compressing objects: 35% (730/2083) remote: Compressing objects: 36% (750/2083) remote: Compressing objects: 37% (771/2083) remote: Compressing objects: 38% (792/2083) remote: Compressing objects: 39% (813/2083) remote: Compressing objects: 40% (834/2083) remote: Compressing objects: 41% (855/2083) remote: Compressing objects: 42% (875/2083) remote: Compressing objects: 43% (896/2083) remote: Compressing objects: 44% (917/2083) remote: Compressing objects: 45% (938/2083) remote: Compressing objects: 46% (959/2083) remote: Compressing objects: 47% (980/2083) remote: Compressing objects: 48% (1000/2083) remote: Compressing objects: 49% (1021/2083) remote: Compressing objects: 50% (1042/2083) remote: Compressing objects: 51% (1063/2083) remote: Compressing objects: 52% (1084/2083) remote: Compressing objects: 53% (1104/2083) remote: Compressing objects: 54% (1125/2083) remote: Compressing objects: 55% (1146/2083) remote: Compressing objects: 56% (1167/2083) remote: Compressing objects: 57% (1188/2083) remote: Compressing objects: 58% (1209/2083) remote: Compressing objects: 59% (1229/2083) remote: Compressing objects: 60% (1250/2083) remote: Compressing objects: 61% (1271/2083) remote: Compressing objects: 62% (1292/2083) remote: Compressing objects: 63% (1313/2083) remote: Compressing objects: 64% (1334/2083) remote: Compressing objects: 65% (1354/2083) remote: Compressing objects: 66% (1375/2083) remote: Compressing objects: 67% (1396/2083) remote: Compressing objects: 68% (1417/2083) remote: Compressing objects: 69% (1438/2083) remote: Compressing objects: 70% (1459/2083) remote: Compressing objects: 71% (1479/2083) remote: Compressing objects: 72% (1500/2083) remote: Compressing objects: 73% (1521/2083) remote: Compressing objects: 74% (1542/2083) remote: Compressing objects: 75% (1563/2083) remote: Compressing objects: 76% (1584/2083) remote: Compressing objects: 77% (1604/2083) remote: Compressing objects: 78% (1625/2083) remote: Compressing objects: 79% (1646/2083) remote: Compressing objects: 80% (1667/2083) remote: Compressing objects: 81% (1688/2083) remote: Compressing objects: 82% (1709/2083) remote: Compressing objects: 83% (1729/2083) remote: Compressing objects: 84% (1750/2083) remote: Compressing objects: 85% (1771/2083) remote: Compressing objects: 86% (1792/2083) remote: Compressing objects: 87% (1813/2083) remote: Compressing objects: 88% (1834/2083) remote: Compressing objects: 89% (1854/2083) remote: Compressing objects: 90% (1875/2083) remote: Compressing objects: 91% (1896/2083) remote: Compressing objects: 92% (1917/2083) remote: Compressing objects: 93% (1938/2083) remote: Compressing objects: 94% (1959/2083) remote: Compressing objects: 95% (1979/2083) remote: Compressing objects: 96% (2000/2083) remote: Compressing objects: 97% (2021/2083) remote: Compressing objects: 98% (2042/2083) remote: Compressing objects: 99% (2063/2083) remote: Compressing objects: 100% (2083/2083) remote: Compressing objects: 100% (2083/2083), done.
  6. 8.13 s Receiving objects: 0% (1/86529) Receiving objects: 1% (866/86529) Receiving objects: 2% (1731/86529) Receiving objects: 3% (2596/86529) Receiving objects: 4% (3462/86529) Receiving objects: 5% (4327/86529) Receiving objects: 6% (5192/86529) Receiving objects: 7% (6058/86529) Receiving objects: 8% (6923/86529) Receiving objects: 9% (7788/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 10% (8653/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 11% (9519/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 12% (10384/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 13% (11249/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 14% (12115/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 15% (12980/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 16% (13845/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 17% (14710/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 18% (15576/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 19% (16441/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 20% (17306/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 21% (18172/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 22% (19037/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 23% (19902/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 24% (20767/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 25% (21633/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 26% (22498/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 27% (23363/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 28% (24229/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 29% (25094/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 30% (25959/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 31% (26824/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 32% (27690/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 33% (28555/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 34% (29420/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 35% (30286/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 36% (31151/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 37% (32016/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 38% (32882/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 38% (33079/86529), 15.78 MiB | 31.55 MiB/s Receiving objects: 39% (33747/86529), 30.99 MiB | 30.98 MiB/s Receiving objects: 40% (34612/86529), 30.99 MiB | 30.98 MiB/s Receiving objects: 41% (35477/86529), 30.99 MiB | 30.98 MiB/s Receiving objects: 42% (36343/86529), 30.99 MiB | 30.98 MiB/s Receiving objects: 43% (37208/86529), 30.99 MiB | 30.98 MiB/s Receiving objects: 44% (38073/86529), 30.99 MiB | 30.98 MiB/s Receiving objects: 45% (38939/86529), 30.99 MiB | 30.98 MiB/s Receiving objects: 46% (39804/86529), 46.57 MiB | 30.54 MiB/s Receiving objects: 47% (40669/86529), 46.57 MiB | 30.54 MiB/s Receiving objects: 48% (41534/86529), 46.57 MiB | 30.54 MiB/s Receiving objects: 49% (42400/86529), 46.57 MiB | 30.54 MiB/s Receiving objects: 50% (43265/86529), 46.57 MiB | 30.54 MiB/s Receiving objects: 51% (44130/86529), 46.57 MiB | 30.54 MiB/s Receiving objects: 52% (44996/86529), 46.57 MiB | 30.54 MiB/s Receiving objects: 53% (45861/86529), 46.57 MiB | 30.54 MiB/s Receiving objects: 54% (46726/86529), 46.57 MiB | 30.54 MiB/s Receiving objects: 55% (47591/86529), 46.57 MiB | 30.54 MiB/s Receiving objects: 56% (48457/86529), 46.57 MiB | 30.54 MiB/s Receiving objects: 56% (48754/86529), 62.57 MiB | 30.64 MiB/s Receiving objects: 57% (49322/86529), 62.57 MiB | 30.64 MiB/s Receiving objects: 58% (50187/86529), 62.57 MiB | 30.64 MiB/s Receiving objects: 59% (51053/86529), 62.57 MiB | 30.64 MiB/s Receiving objects: 60% (51918/86529), 62.57 MiB | 30.64 MiB/s Receiving objects: 61% (52783/86529), 62.57 MiB | 30.64 MiB/s Receiving objects: 62% (53648/86529), 62.57 MiB | 30.64 MiB/s Receiving objects: 63% (54514/86529), 78.82 MiB | 31.00 MiB/s Receiving objects: 64% (55379/86529), 78.82 MiB | 31.00 MiB/s Receiving objects: 65% (56244/86529), 78.82 MiB | 31.00 MiB/s Receiving objects: 66% (57110/86529), 78.82 MiB | 31.00 MiB/s Receiving objects: 66% (57370/86529), 95.26 MiB | 31.26 MiB/s Receiving objects: 67% (57975/86529), 95.26 MiB | 31.26 MiB/s Receiving objects: 68% (58840/86529), 95.26 MiB | 31.26 MiB/s Receiving objects: 69% (59706/86529), 95.26 MiB | 31.26 MiB/s Receiving objects: 70% (60571/86529), 95.26 MiB | 31.26 MiB/s Receiving objects: 71% (61436/86529), 111.25 MiB | 31.16 MiB/s Receiving objects: 72% (62301/86529), 111.25 MiB | 31.16 MiB/s Receiving objects: 73% (63167/86529), 111.25 MiB | 31.16 MiB/s Receiving objects: 74% (64032/86529), 111.25 MiB | 31.16 MiB/s Receiving objects: 74% (64312/86529), 127.46 MiB | 31.17 MiB/s Receiving objects: 75% (64897/86529), 127.46 MiB | 31.17 MiB/s Receiving objects: 76% (65763/86529), 127.46 MiB | 31.17 MiB/s Receiving objects: 77% (66628/86529), 127.46 MiB | 31.17 MiB/s Receiving objects: 78% (67493/86529), 127.46 MiB | 31.17 MiB/s Receiving objects: 79% (68358/86529), 127.46 MiB | 31.17 MiB/s Receiving objects: 80% (69224/86529), 127.46 MiB | 31.17 MiB/s Receiving objects: 81% (70089/86529), 127.46 MiB | 31.17 MiB/s Receiving objects: 82% (70954/86529), 127.46 MiB | 31.17 MiB/s Receiving objects: 83% (71820/86529), 127.46 MiB | 31.17 MiB/s Receiving objects: 84% (72685/86529), 127.46 MiB | 31.17 MiB/s Receiving objects: 85% (73550/86529), 127.46 MiB | 31.17 MiB/s Receiving objects: 86% (74415/86529), 144.83 MiB | 31.57 MiB/s Receiving objects: 87% (75281/86529), 144.83 MiB | 31.57 MiB/s Receiving objects: 88% (76146/86529), 144.83 MiB | 31.57 MiB/s Receiving objects: 89% (77011/86529), 144.83 MiB | 31.57 MiB/s Receiving objects: 90% (77877/86529), 144.83 MiB | 31.57 MiB/s Receiving objects: 91% (78742/86529), 144.83 MiB | 31.57 MiB/s Receiving objects: 92% (79607/86529), 144.83 MiB | 31.57 MiB/s Receiving objects: 93% (80472/86529), 144.83 MiB | 31.57 MiB/s Receiving objects: 94% (81338/86529), 144.83 MiB | 31.57 MiB/s Receiving objects: 95% (82203/86529), 144.83 MiB | 31.57 MiB/s Receiving objects: 96% (83068/86529), 144.83 MiB | 31.57 MiB/s Receiving objects: 97% (83934/86529), 144.83 MiB | 31.57 MiB/s Receiving objects: 98% (84799/86529), 144.83 MiB | 31.57 MiB/s Receiving objects: 99% (85664/86529), 144.83 MiB | 31.57 MiB/s remote: Total 86529 (delta 7848), reused 7178 (delta 7008), pack-reused 77432 (from 3)
  7. 8.13 s Receiving objects: 100% (86529/86529), 144.83 MiB | 31.57 MiB/s Receiving objects: 100% (86529/86529), 157.06 MiB | 31.55 MiB/s, done.
  8. 8.99 s Resolving deltas: 0% (0/58743) Resolving deltas: 1% (588/58743) Resolving deltas: 2% (1175/58743) Resolving deltas: 3% (1763/58743) Resolving deltas: 4% (2350/58743) Resolving deltas: 5% (2938/58743) Resolving deltas: 6% (3525/58743) Resolving deltas: 7% (4113/58743) Resolving deltas: 8% (4700/58743) Resolving deltas: 9% (5287/58743) Resolving deltas: 10% (5875/58743) Resolving deltas: 11% (6462/58743) Resolving deltas: 12% (7050/58743) Resolving deltas: 13% (7637/58743) Resolving deltas: 14% (8225/58743) Resolving deltas: 15% (8812/58743) Resolving deltas: 16% (9399/58743) Resolving deltas: 17% (9987/58743) Resolving deltas: 18% (10574/58743) Resolving deltas: 19% (11162/58743) Resolving deltas: 20% (11749/58743) Resolving deltas: 21% (12337/58743) Resolving deltas: 22% (12924/58743) Resolving deltas: 23% (13511/58743) Resolving deltas: 24% (14099/58743) Resolving deltas: 25% (14686/58743) Resolving deltas: 26% (15274/58743) Resolving deltas: 27% (15864/58743) Resolving deltas: 28% (16449/58743) Resolving deltas: 29% (17036/58743) Resolving deltas: 30% (17623/58743) Resolving deltas: 31% (18214/58743) Resolving deltas: 32% (18798/58743) Resolving deltas: 33% (19387/58743) Resolving deltas: 34% (19973/58743) Resolving deltas: 35% (20561/58743) Resolving deltas: 36% (21148/58743) Resolving deltas: 37% (21736/58743) Resolving deltas: 38% (22323/58743) Resolving deltas: 39% (22910/58743) Resolving deltas: 40% (23498/58743) Resolving deltas: 41% (24085/58743) Resolving deltas: 42% (24673/58743) Resolving deltas: 43% (25260/58743) Resolving deltas: 44% (25847/58743) Resolving deltas: 45% (26436/58743) Resolving deltas: 46% (27022/58743) Resolving deltas: 47% (27610/58743) Resolving deltas: 48% (28197/58743) Resolving deltas: 49% (28786/58743) Resolving deltas: 50% (29372/58743) Resolving deltas: 51% (29959/58743) Resolving deltas: 52% (30547/58743) Resolving deltas: 53% (31134/58743) Resolving deltas: 54% (31722/58743) Resolving deltas: 55% (32309/58743) Resolving deltas: 56% (32897/58743) Resolving deltas: 57% (33484/58743) Resolving deltas: 58% (34071/58743) Resolving deltas: 59% (34659/58743) Resolving deltas: 60% (35246/58743) Resolving deltas: 61% (35834/58743) Resolving deltas: 62% (36421/58743) Resolving deltas: 63% (37010/58743) Resolving deltas: 64% (37596/58743) Resolving deltas: 65% (38188/58743) Resolving deltas: 66% (38771/58743) Resolving deltas: 67% (39358/58743) Resolving deltas: 68% (39946/58743) Resolving deltas: 69% (40534/58743) Resolving deltas: 70% (41121/58743) Resolving deltas: 71% (41708/58743) Resolving deltas: 72% (42297/58743) Resolving deltas: 73% (42883/58743) Resolving deltas: 74% (43470/58743) Resolving deltas: 75% (44058/58743) Resolving deltas: 76% (44645/58743) Resolving deltas: 77% (45233/58743) Resolving deltas: 78% (45820/58743) Resolving deltas: 79% (46407/58743) Resolving deltas: 80% (46995/58743) Resolving deltas: 81% (47582/58743) Resolving deltas: 82% (48171/58743) Resolving deltas: 83% (48757/58743) Resolving deltas: 84% (49345/58743) Resolving deltas: 85% (49932/58743) Resolving deltas: 86% (50519/58743) Resolving deltas: 87% (51107/58743) Resolving deltas: 88% (51694/58743) Resolving deltas: 89% (52282/58743) Resolving deltas: 90% (52869/58743) Resolving deltas: 91% (53457/58743) Resolving deltas: 92% (54044/58743) Resolving deltas: 93% (54632/58743) Resolving deltas: 94% (55224/58743) Resolving deltas: 95% (55808/58743) Resolving deltas: 96% (56394/58743) Resolving deltas: 97% (56981/58743) Resolving deltas: 98% (57570/58743) Resolving deltas: 99% (58157/58743) Resolving deltas: 100% (58743/58743) Resolving deltas: 100% (58743/58743), done.
  9. 9.39 s Fetching commit a6efa54ac028cf5ebad1a526ca122d10cf7511f3 for advanced_sampling ...
  10. 9.39 s $ /nix/store/bcnisk3ydfgv26v2gw3zlky24g00yww2-git-2.54.0/bin/git fetch origin a6efa54ac028cf5ebad1a526ca122d10cf7511f3
  11. 9.79 s From https://github.com/alphal00p/gammaloop
  12. 9.79 s * branch a6efa54ac028cf5ebad1a526ca122d10cf7511f3 -> FETCH_HEAD
  13. 9.79 s $ /nix/store/9ypz3flqsrl5xl495mm8h645gadjsxi1-coreutils-9.11/bin/timeout --kill-after=15s 7200s /nix/store/bcnisk3ydfgv26v2gw3zlky24g00yww2-git-2.54.0/bin/git -c advice.detachedHead=false checkout a6efa54ac028cf5ebad1a526ca122d10cf7511f3
  14. 10.02 s HEAD is now at a6efa54ac retain LU ray data and account for complete sampling work
  15. 10.02 s $ /nix/store/9ypz3flqsrl5xl495mm8h645gadjsxi1-coreutils-9.11/bin/timeout --kill-after=15s 7200s /nix/store/23zk8sgzamrbmj1fday15szf7f2279s8-nix-2.34.7/bin/nix --extra-experimental-features nix-command --extra-experimental-features flakes --log-format internal-json run .#packages.x86_64-linux.nix-ci-check-gammaloop-nextest-python-api --print-build-logs
  16. 16.64 s
  17. 23.99 s evaluating derivation 'g copying '/nix/store/mh8i evaluating derivation 'g copying '/nix/store/mh8i evaluating derivation 'g copying '/nix/store/mh8i evaluating derivation 'g copying '/nix/store/mh8i evaluating derivation 'g copying '/nix/store/mh8i evaluating derivation 'g copying '/nix/store/mh8i evaluating derivation 'g copying '/nix/store/mh8i evaluating derivation 'g copying '/nix/store/mh8i evaluating derivation 'g copying '/nix/store/mh8i evaluating derivation 'g copying '/nix/store/mh8i evaluating derivation 'g querying gammaloop-nextewarning: ignoring substitute for '/nix/store/fbwdc8kf7wnq40zgnxyh4bh9jmg7dgny-nextest-failure-summary' from 'https://cache.nix-ci.com', as it's not signed by any of the keys in 'trusted-public-keys'
  18. 24.24 s [0/2 built, 0/1 copied ( [0/2 built, 0.0 KiB DL] [1/0/2 built, 0.0 KiB DLnextest-failure-summary (post)> Uploading to the NixCI cache: /nix/store/fbwdc8kf7wnq40zgnxyh4bh9jmg7dgny-nextest-failure-summary
  19. 24.27 s nextest-failure-summary (post)> warning: 'warn-short-path-literals' is deprecated, use 'lint-short-path-literals = ignore' instead
  20. 24.28 s nextest-failure-summary (post)> copying 0 paths...
  21. 24.32 s nextest-failure-summary (post)> warning: 'warn-short-path-literals' is deprecated, use 'lint-short-path-literals = ignore' instead
  22. 24.39 s nextest-failure-summary (post)> copying 0 paths...
  23. 24.68 s [1/3 built, 0.0 KiB DL] [1/1/2 built, 0.0 KiB DLgammaloop-nextest-python-api> Extracting 1 binary, 1 build script output directory, and 3 linked paths to /build/nextest-archive-zWDHMo
  24. 24.74 s gammaloop-nextest-python-api> Extracted 18 files to /build/nextest-archive-zWDHMo in 0.06s
  25. 24.75 s gammaloop-nextest-python-api> ------------
  26. 24.75 s gammaloop-nextest-python-api> Nextest run ID 70959105-77df-4971-aeca-99b587d78632 with nextest profile: ci_gammaloop
  27. 24.75 s gammaloop-nextest-python-api> Starting 5 tests across 1 binary
  28. 25.35 s gammaloop-nextest-python-api> FAIL [ 0.601s] (3/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  29. 25.35 s gammaloop-nextest-python-api> stdout ---
  30. 25.35 s gammaloop-nextest-python-api>
  31. 25.35 s gammaloop-nextest-python-api> running 1 test
  32. 25.35 s gammaloop-nextest-python-api> test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  33. 25.35 s gammaloop-nextest-python-api>
  34. 25.35 s gammaloop-nextest-python-api> failures:
  35. 25.35 s gammaloop-nextest-python-api>
  36. 25.35 s gammaloop-nextest-python-api> failures:
  37. 25.35 s gammaloop-nextest-python-api> python_evaluate_sample_honors_generate_events_and_observable_snapshots
  38. 25.35 s gammaloop-nextest-python-api>
  39. 25.35 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  40. 25.35 s gammaloop-nextest-python-api>
  41. 25.35 s gammaloop-nextest-python-api> stderr ---
  42. 25.35 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  43. 25.35 s gammaloop-nextest-python-api> stdout:
  44. 25.35 s gammaloop-nextest-python-api>
  45. 25.35 s gammaloop-nextest-python-api> stderr:
  46. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  47. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  48. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.260] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  49. 25.35 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  50. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  51. 25.35 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  52. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  53. 25.35 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  54. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  55. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  56. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  57. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  58. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  59. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  60. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  61. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  62. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  63. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  64. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  65. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  66. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  67. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  68. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  69. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @commands::generate INFO : Generated cross-section 2 graphs.
  70. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  71. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.367] @gammaloop_api::se... INFO : Running command generate
  72. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.670] @commands::generate INFO :
  73. 25.35 s gammaloop-nextest-python-api> Integrand generation summary
  74. 25.35 s gammaloop-nextest-python-api> peak RAM 96.16 MiB | cores 1
  75. 25.35 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  76. 25.35 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  77. 25.35 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  78. 25.35 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  79. 25.35 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 56ms (31%) │ 58ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  80. 25.35 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  81. 25.35 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 96ms (36%) │ 79ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  82. 25.35 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  83. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.670] @gammaloop_api::se... INFO : Running command set process string '
  84. 25.35 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  85. 25.35 s gammaloop-nextest-python-api> type = "jet"
  86. 25.35 s gammaloop-nextest-python-api> quantity = "PT"
  87. 25.35 s gammaloop-nextest-python-api> dR = 0.4
  88. 25.35 s gammaloop-nextest-python-api> [...]
  89. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  90. 25.35 s gammaloop-nextest-python-api> The application panicked (crashed).
  91. 25.35 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  92. 25.35 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  93. 25.35 s gammaloop-nextest-python-api>
  94. 25.35 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  95. 25.35 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  96. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  97. 25.35 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  98. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  99. 25.35 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  100. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  101. 25.35 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  102. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  103. 25.35 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  104. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  105. 25.35 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  106. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  107. 25.35 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  108. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  109. 25.35 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  110. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  111. 25.35 s gammaloop-nextest-python-api> 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  112. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  113. 25.35 s gammaloop-nextest-python-api> 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  114. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  115. 25.35 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  116. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  117. 25.35 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  118. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  119. 25.35 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  120. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  121. 25.35 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  122. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  123. 25.35 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  124. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  125. 25.35 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  126. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  127. 25.35 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  128. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  129. 25.35 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  130. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  131. 25.35 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  132. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  133. 25.35 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  134. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  135. 25.35 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  136. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  137. 25.35 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  138. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  139. 25.35 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  140. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  141. 25.35 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  142. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  143. 25.35 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  144. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  145. 25.35 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  146. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  147. 25.35 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  148. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  149. 25.35 s gammaloop-nextest-python-api> 28: _start<unknown>
  150. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  151. 25.35 s gammaloop-nextest-python-api>
  152. 25.35 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  153. 25.35 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  154. 25.35 s gammaloop-nextest-python-api> Traceback (most recent call last):
  155. 25.35 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  156. 25.35 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  157. 25.35 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  158. 25.35 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  159. 25.35 s gammaloop-nextest-python-api>
  160. 25.35 s gammaloop-nextest-python-api>
  161. 25.35 s gammaloop-nextest-python-api> Location:
  162. 25.35 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  163. 25.35 s gammaloop-nextest-python-api>
  164. 25.35 s gammaloop-nextest-python-api> FAIL [ 0.603s] (4/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  165. 25.35 s gammaloop-nextest-python-api> stdout ---
  166. 25.35 s gammaloop-nextest-python-api>
  167. 25.35 s gammaloop-nextest-python-api> running 1 test
  168. 25.35 s gammaloop-nextest-python-api> test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  169. 25.35 s gammaloop-nextest-python-api>
  170. 25.35 s gammaloop-nextest-python-api> failures:
  171. 25.35 s gammaloop-nextest-python-api>
  172. 25.35 s gammaloop-nextest-python-api> failures:
  173. 25.35 s gammaloop-nextest-python-api> python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  174. 25.35 s gammaloop-nextest-python-api>
  175. 25.35 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  176. 25.35 s gammaloop-nextest-python-api>
  177. 25.35 s gammaloop-nextest-python-api> stderr ---
  178. 25.35 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  179. 25.35 s gammaloop-nextest-python-api> stdout:
  180. 25.35 s gammaloop-nextest-python-api>
  181. 25.35 s gammaloop-nextest-python-api> stderr:
  182. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  183. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  184. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  185. 25.35 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  186. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  187. 25.35 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  188. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  189. 25.35 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  190. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  191. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  192. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  193. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  194. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  195. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  196. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  197. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  198. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  199. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  200. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  201. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  202. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  203. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  204. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  205. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.367] @commands::generate INFO : Generated cross-section 2 graphs.
  206. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.367] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  207. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.368] @gammaloop_api::se... INFO : Running command generate
  208. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.670] @commands::generate INFO :
  209. 25.35 s gammaloop-nextest-python-api> Integrand generation summary
  210. 25.35 s gammaloop-nextest-python-api> peak RAM 97.18 MiB | cores 1
  211. 25.35 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  212. 25.35 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  213. 25.35 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  214. 25.35 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (24%) │ 23ms (27%) │ 0ms (0.00%) │
  215. 25.35 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 58ms (32%) │ 57ms (31%) │ 68ms (37%) │ 0ms (0.00%) │
  216. 25.35 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  217. 25.35 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 98ms (37%) │ 78ms (29%) │ 91ms (34%) │ 0ms (0.00%) │
  218. 25.35 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  219. 25.35 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  220. 25.35 s gammaloop-nextest-python-api> The application panicked (crashed).
  221. 25.35 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  222. 25.35 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  223. 25.35 s gammaloop-nextest-python-api>
  224. 25.35 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  225. 25.35 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  226. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  227. 25.35 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  228. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  229. 25.35 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  230. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  231. 25.35 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  232. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  233. 25.35 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  234. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  235. 25.35 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  236. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  237. 25.35 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  238. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  239. 25.35 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  240. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  241. 25.35 s gammaloop-nextest-python-api> 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  242. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  243. 25.35 s gammaloop-nextest-python-api> 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  244. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  245. 25.35 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  246. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  247. 25.35 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  248. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  249. 25.35 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  250. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  251. 25.35 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  252. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  253. 25.35 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  254. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  255. 25.35 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  256. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  257. 25.35 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  258. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  259. 25.35 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  260. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  261. 25.35 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  262. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  263. 25.35 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  264. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  265. 25.35 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  266. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  267. 25.35 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  268. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  269. 25.35 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  270. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  271. 25.35 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  272. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  273. 25.35 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  274. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  275. 25.35 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  276. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  277. 25.35 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  278. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  279. 25.35 s gammaloop-nextest-python-api> 28: _start<unknown>
  280. 25.35 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  281. 25.35 s gammaloop-nextest-python-api>
  282. 25.35 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  283. 25.35 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  284. 25.35 s gammaloop-nextest-python-api> Traceback (most recent call last):
  285. 25.35 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  286. 25.35 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  287. 25.35 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  288. 25.35 s gammaloop-nextest-python-api>
  289. 25.35 s gammaloop-nextest-python-api>
  290. 25.35 s gammaloop-nextest-python-api> Location:
  291. 25.35 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  292. 25.35 s gammaloop-nextest-python-api>
  293. 25.46 s gammaloop-nextest-python-api> FAIL [ 0.708s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  294. 25.46 s gammaloop-nextest-python-api> stdout ---
  295. 25.46 s gammaloop-nextest-python-api>
  296. 25.46 s gammaloop-nextest-python-api> running 1 test
  297. 25.46 s gammaloop-nextest-python-api> test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  298. 25.46 s gammaloop-nextest-python-api>
  299. 25.46 s gammaloop-nextest-python-api> failures:
  300. 25.46 s gammaloop-nextest-python-api>
  301. 25.46 s gammaloop-nextest-python-api> failures:
  302. 25.46 s gammaloop-nextest-python-api> python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  303. 25.46 s gammaloop-nextest-python-api>
  304. 25.46 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.70s
  305. 25.46 s gammaloop-nextest-python-api>
  306. 25.46 s gammaloop-nextest-python-api> stderr ---
  307. 25.46 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  308. 25.46 s gammaloop-nextest-python-api> stdout:
  309. 25.46 s gammaloop-nextest-python-api>
  310. 25.46 s gammaloop-nextest-python-api> stderr:
  311. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  312. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  313. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.260] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  314. 25.46 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  315. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  316. 25.46 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  317. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  318. 25.46 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  319. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  320. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  321. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  322. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  323. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.267] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  324. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  325. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  326. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  327. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  328. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  329. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  330. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  331. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  332. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.365] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  333. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.365] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  334. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @commands::generate INFO : Generated cross-section 2 graphs.
  335. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  336. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.367] @gammaloop_api::se... INFO : Running command generate
  337. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.669] @commands::generate INFO :
  338. 25.46 s gammaloop-nextest-python-api> Integrand generation summary
  339. 25.46 s gammaloop-nextest-python-api> peak RAM 97.04 MiB | cores 1
  340. 25.46 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  341. 25.46 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  342. 25.46 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  343. 25.46 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 37ms (46%) │ 20ms (25%) │ 23ms (29%) │ 0ms (0.00%) │
  344. 25.46 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 58ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  345. 25.46 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  346. 25.46 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 94ms (36%) │ 78ms (30%) │ 92ms (35%) │ 0ms (0.00%) │
  347. 25.46 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  348. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.670] @gammaloop_api::se... INFO : Running command set process string '
  349. 25.46 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  350. 25.46 s gammaloop-nextest-python-api> type = "jet"
  351. 25.46 s gammaloop-nextest-python-api> quantity = "PT"
  352. 25.46 s gammaloop-nextest-python-api> dR = 0.4
  353. 25.46 s gammaloop-nextest-python-api> [...]
  354. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  355. 25.46 s gammaloop-nextest-python-api> The application panicked (crashed).
  356. 25.46 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  357. 25.46 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  358. 25.46 s gammaloop-nextest-python-api>
  359. 25.46 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  360. 25.46 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  361. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  362. 25.46 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  363. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  364. 25.46 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  365. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  366. 25.46 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  367. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  368. 25.46 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  369. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  370. 25.46 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  371. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  372. 25.46 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  373. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  374. 25.46 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  375. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  376. 25.46 s gammaloop-nextest-python-api> 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  377. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  378. 25.46 s gammaloop-nextest-python-api> 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  379. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  380. 25.46 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  381. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  382. 25.46 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  383. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  384. 25.46 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  385. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  386. 25.46 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  387. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  388. 25.46 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  389. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  390. 25.46 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  391. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  392. 25.46 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  393. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  394. 25.46 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  395. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  396. 25.46 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  397. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  398. 25.46 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  399. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  400. 25.46 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  401. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  402. 25.46 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  403. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  404. 25.46 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  405. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  406. 25.46 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  407. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  408. 25.46 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  409. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  410. 25.46 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  411. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  412. 25.46 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  413. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  414. 25.46 s gammaloop-nextest-python-api> 28: _start<unknown>
  415. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  416. 25.46 s gammaloop-nextest-python-api>
  417. 25.46 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  418. 25.46 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  419. 25.46 s gammaloop-nextest-python-api> Traceback (most recent call last):
  420. 25.46 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  421. 25.46 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  422. 25.46 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  423. 25.46 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  424. 25.46 s gammaloop-nextest-python-api>
  425. 25.46 s gammaloop-nextest-python-api>
  426. 25.46 s gammaloop-nextest-python-api> Location:
  427. 25.46 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  428. 25.46 s gammaloop-nextest-python-api>
  429. 25.46 s gammaloop-nextest-python-api> ------------
  430. 25.46 s gammaloop-nextest-python-api> Summary [ 0.709s] 5 tests run: 2 passed, 3 failed, 0 skipped
  431. 25.46 s gammaloop-nextest-python-api> FAIL [ 0.601s] (3/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  432. 25.46 s gammaloop-nextest-python-api> stdout ---
  433. 25.46 s gammaloop-nextest-python-api>
  434. 25.46 s gammaloop-nextest-python-api> running 1 test
  435. 25.46 s gammaloop-nextest-python-api> test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  436. 25.46 s gammaloop-nextest-python-api>
  437. 25.46 s gammaloop-nextest-python-api> failures:
  438. 25.46 s gammaloop-nextest-python-api>
  439. 25.46 s gammaloop-nextest-python-api> failures:
  440. 25.46 s gammaloop-nextest-python-api> python_evaluate_sample_honors_generate_events_and_observable_snapshots
  441. 25.46 s gammaloop-nextest-python-api>
  442. 25.46 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  443. 25.46 s gammaloop-nextest-python-api>
  444. 25.46 s gammaloop-nextest-python-api> stderr ---
  445. 25.46 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  446. 25.46 s gammaloop-nextest-python-api> stdout:
  447. 25.46 s gammaloop-nextest-python-api>
  448. 25.46 s gammaloop-nextest-python-api> stderr:
  449. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  450. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  451. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.260] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  452. 25.46 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  453. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  454. 25.46 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  455. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  456. 25.46 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  457. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  458. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  459. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  460. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  461. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  462. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  463. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  464. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  465. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  466. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  467. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  468. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  469. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  470. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  471. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  472. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @commands::generate INFO : Generated cross-section 2 graphs.
  473. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  474. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.367] @gammaloop_api::se... INFO : Running command generate
  475. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.670] @commands::generate INFO :
  476. 25.46 s gammaloop-nextest-python-api> Integrand generation summary
  477. 25.46 s gammaloop-nextest-python-api> peak RAM 96.16 MiB | cores 1
  478. 25.46 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  479. 25.46 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  480. 25.46 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  481. 25.46 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  482. 25.46 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 56ms (31%) │ 58ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  483. 25.46 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  484. 25.46 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 96ms (36%) │ 79ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  485. 25.46 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  486. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.670] @gammaloop_api::se... INFO : Running command set process string '
  487. 25.46 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  488. 25.46 s gammaloop-nextest-python-api> type = "jet"
  489. 25.46 s gammaloop-nextest-python-api> quantity = "PT"
  490. 25.46 s gammaloop-nextest-python-api> dR = 0.4
  491. 25.46 s gammaloop-nextest-python-api> [...]
  492. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  493. 25.46 s gammaloop-nextest-python-api> The application panicked (crashed).
  494. 25.46 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  495. 25.46 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  496. 25.46 s gammaloop-nextest-python-api>
  497. 25.46 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  498. 25.46 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  499. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  500. 25.46 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  501. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  502. 25.46 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  503. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  504. 25.46 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  505. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  506. 25.46 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  507. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  508. 25.46 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  509. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  510. 25.46 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  511. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  512. 25.46 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  513. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  514. 25.46 s gammaloop-nextest-python-api> 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  515. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  516. 25.46 s gammaloop-nextest-python-api> 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  517. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  518. 25.46 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  519. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  520. 25.46 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  521. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  522. 25.46 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  523. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  524. 25.46 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  525. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  526. 25.46 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  527. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  528. 25.46 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  529. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  530. 25.46 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  531. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  532. 25.46 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  533. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  534. 25.46 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  535. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  536. 25.46 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  537. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  538. 25.46 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  539. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  540. 25.46 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  541. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  542. 25.46 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  543. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  544. 25.46 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  545. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  546. 25.46 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  547. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  548. 25.46 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  549. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  550. 25.46 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  551. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  552. 25.46 s gammaloop-nextest-python-api> 28: _start<unknown>
  553. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  554. 25.46 s gammaloop-nextest-python-api>
  555. 25.46 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  556. 25.46 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  557. 25.46 s gammaloop-nextest-python-api> Traceback (most recent call last):
  558. 25.46 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  559. 25.46 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  560. 25.46 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  561. 25.46 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  562. 25.46 s gammaloop-nextest-python-api>
  563. 25.46 s gammaloop-nextest-python-api>
  564. 25.46 s gammaloop-nextest-python-api> Location:
  565. 25.46 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  566. 25.46 s gammaloop-nextest-python-api>
  567. 25.46 s gammaloop-nextest-python-api> FAIL [ 0.603s] (4/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  568. 25.46 s gammaloop-nextest-python-api> stdout ---
  569. 25.46 s gammaloop-nextest-python-api>
  570. 25.46 s gammaloop-nextest-python-api> running 1 test
  571. 25.46 s gammaloop-nextest-python-api> test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  572. 25.46 s gammaloop-nextest-python-api>
  573. 25.46 s gammaloop-nextest-python-api> failures:
  574. 25.46 s gammaloop-nextest-python-api>
  575. 25.46 s gammaloop-nextest-python-api> failures:
  576. 25.46 s gammaloop-nextest-python-api> python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  577. 25.46 s gammaloop-nextest-python-api>
  578. 25.46 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  579. 25.46 s gammaloop-nextest-python-api>
  580. 25.46 s gammaloop-nextest-python-api> stderr ---
  581. 25.46 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  582. 25.46 s gammaloop-nextest-python-api> stdout:
  583. 25.46 s gammaloop-nextest-python-api>
  584. 25.46 s gammaloop-nextest-python-api> stderr:
  585. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  586. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  587. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  588. 25.46 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  589. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  590. 25.46 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  591. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  592. 25.46 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  593. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  594. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  595. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  596. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  597. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  598. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  599. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  600. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  601. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  602. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  603. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  604. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  605. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  606. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  607. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  608. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.367] @commands::generate INFO : Generated cross-section 2 graphs.
  609. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.367] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  610. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.368] @gammaloop_api::se... INFO : Running command generate
  611. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.670] @commands::generate INFO :
  612. 25.46 s gammaloop-nextest-python-api> Integrand generation summary
  613. 25.46 s gammaloop-nextest-python-api> peak RAM 97.18 MiB | cores 1
  614. 25.46 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  615. 25.46 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  616. 25.46 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  617. 25.46 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (24%) │ 23ms (27%) │ 0ms (0.00%) │
  618. 25.46 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 58ms (32%) │ 57ms (31%) │ 68ms (37%) │ 0ms (0.00%) │
  619. 25.46 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  620. 25.46 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 98ms (37%) │ 78ms (29%) │ 91ms (34%) │ 0ms (0.00%) │
  621. 25.46 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  622. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  623. 25.46 s gammaloop-nextest-python-api> The application panicked (crashed).
  624. 25.46 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  625. 25.46 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  626. 25.46 s gammaloop-nextest-python-api>
  627. 25.46 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  628. 25.46 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  629. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  630. 25.46 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  631. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  632. 25.46 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  633. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  634. 25.46 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  635. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  636. 25.46 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  637. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  638. 25.46 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  639. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  640. 25.46 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  641. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  642. 25.46 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  643. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  644. 25.46 s gammaloop-nextest-python-api> 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  645. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  646. 25.46 s gammaloop-nextest-python-api> 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  647. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  648. 25.46 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  649. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  650. 25.46 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  651. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  652. 25.46 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  653. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  654. 25.46 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  655. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  656. 25.46 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  657. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  658. 25.46 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  659. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  660. 25.46 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  661. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  662. 25.46 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  663. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  664. 25.46 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  665. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  666. 25.46 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  667. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  668. 25.46 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  669. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  670. 25.46 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  671. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  672. 25.46 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  673. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  674. 25.46 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  675. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  676. 25.46 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  677. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  678. 25.46 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  679. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  680. 25.46 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  681. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  682. 25.46 s gammaloop-nextest-python-api> 28: _start<unknown>
  683. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  684. 25.46 s gammaloop-nextest-python-api>
  685. 25.46 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  686. 25.46 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  687. 25.46 s gammaloop-nextest-python-api> Traceback (most recent call last):
  688. 25.46 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  689. 25.46 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  690. 25.46 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  691. 25.46 s gammaloop-nextest-python-api>
  692. 25.46 s gammaloop-nextest-python-api>
  693. 25.46 s gammaloop-nextest-python-api> Location:
  694. 25.46 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  695. 25.46 s gammaloop-nextest-python-api>
  696. 25.46 s gammaloop-nextest-python-api> FAIL [ 0.708s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  697. 25.46 s gammaloop-nextest-python-api> stdout ---
  698. 25.46 s gammaloop-nextest-python-api>
  699. 25.46 s gammaloop-nextest-python-api> running 1 test
  700. 25.46 s gammaloop-nextest-python-api> test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  701. 25.46 s gammaloop-nextest-python-api>
  702. 25.46 s gammaloop-nextest-python-api> failures:
  703. 25.46 s gammaloop-nextest-python-api>
  704. 25.46 s gammaloop-nextest-python-api> failures:
  705. 25.46 s gammaloop-nextest-python-api> python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  706. 25.46 s gammaloop-nextest-python-api>
  707. 25.46 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.70s
  708. 25.46 s gammaloop-nextest-python-api>
  709. 25.46 s gammaloop-nextest-python-api> stderr ---
  710. 25.46 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  711. 25.46 s gammaloop-nextest-python-api> stdout:
  712. 25.46 s gammaloop-nextest-python-api>
  713. 25.46 s gammaloop-nextest-python-api> stderr:
  714. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  715. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  716. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.260] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  717. 25.46 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  718. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  719. 25.46 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  720. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  721. 25.46 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  722. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  723. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  724. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  725. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  726. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.267] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  727. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  728. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  729. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  730. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  731. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  732. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  733. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  734. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  735. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.365] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  736. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.365] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  737. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @commands::generate INFO : Generated cross-section 2 graphs.
  738. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  739. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.367] @gammaloop_api::se... INFO : Running command generate
  740. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.669] @commands::generate INFO :
  741. 25.46 s gammaloop-nextest-python-api> Integrand generation summary
  742. 25.46 s gammaloop-nextest-python-api> peak RAM 97.04 MiB | cores 1
  743. 25.46 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  744. 25.46 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  745. 25.46 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  746. 25.46 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 37ms (46%) │ 20ms (25%) │ 23ms (29%) │ 0ms (0.00%) │
  747. 25.46 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 58ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  748. 25.46 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  749. 25.46 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 94ms (36%) │ 78ms (30%) │ 92ms (35%) │ 0ms (0.00%) │
  750. 25.46 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  751. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.670] @gammaloop_api::se... INFO : Running command set process string '
  752. 25.46 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  753. 25.46 s gammaloop-nextest-python-api> type = "jet"
  754. 25.46 s gammaloop-nextest-python-api> quantity = "PT"
  755. 25.46 s gammaloop-nextest-python-api> dR = 0.4
  756. 25.46 s gammaloop-nextest-python-api> [...]
  757. 25.46 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  758. 25.46 s gammaloop-nextest-python-api> The application panicked (crashed).
  759. 25.46 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  760. 25.46 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  761. 25.46 s gammaloop-nextest-python-api>
  762. 25.46 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  763. 25.46 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  764. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  765. 25.46 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  766. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  767. 25.46 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  768. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  769. 25.46 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  770. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  771. 25.46 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  772. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  773. 25.46 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  774. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  775. 25.46 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  776. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  777. 25.46 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  778. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  779. 25.46 s gammaloop-nextest-python-api> 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  780. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  781. 25.46 s gammaloop-nextest-python-api> 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  782. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  783. 25.46 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  784. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  785. 25.46 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  786. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  787. 25.46 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  788. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  789. 25.46 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  790. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  791. 25.46 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  792. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  793. 25.46 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  794. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  795. 25.46 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  796. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  797. 25.46 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  798. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  799. 25.46 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  800. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  801. 25.46 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  802. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  803. 25.46 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  804. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  805. 25.46 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  806. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  807. 25.46 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  808. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  809. 25.46 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  810. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  811. 25.46 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  812. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  813. 25.46 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  814. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  815. 25.46 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  816. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  817. 25.46 s gammaloop-nextest-python-api> 28: _start<unknown>
  818. 25.46 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  819. 25.46 s gammaloop-nextest-python-api>
  820. 25.46 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  821. 25.46 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  822. 25.46 s gammaloop-nextest-python-api> Traceback (most recent call last):
  823. 25.46 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  824. 25.46 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  825. 25.46 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  826. 25.46 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  827. 25.46 s gammaloop-nextest-python-api>
  828. 25.46 s gammaloop-nextest-python-api>
  829. 25.46 s gammaloop-nextest-python-api> Location:
  830. 25.46 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  831. 25.46 s gammaloop-nextest-python-api>
  832. 25.47 s gammaloop-nextest-python-api> error: test run failed
  833. 25.50 s gammaloop-nextest-python-api>
  834. 25.50 s gammaloop-nextest-python-api> ========== nextest test summary ==========
  835. 25.50 s gammaloop-nextest-python-api> report: target/nextest/ci_gammaloop/junit.xml
  836. 25.50 s gammaloop-nextest-python-api> tests: 5, failures: 3, errors: 0
  837. 25.50 s gammaloop-nextest-python-api>
  838. 25.50 s gammaloop-nextest-python-api> 1. gammaloop-integration-tests::test_python_api::python_evaluate_sample_honors_generate_events_and_observable_snapshots
  839. 25.50 s gammaloop-nextest-python-api> failure: test failure with exit code 101
  840. 25.50 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  841. 25.50 s gammaloop-nextest-python-api> stdout:
  842. 25.50 s gammaloop-nextest-python-api>
  843. 25.50 s gammaloop-nextest-python-api> stderr:
  844. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  845. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  846. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.260] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  847. 25.50 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  848. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  849. 25.50 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  850. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  851. 25.50 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  852. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  853. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  854. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  855. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  856. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  857. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  858. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  859. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  860. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  861. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  862. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  863. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  864. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  865. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  866. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  867. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @commands::generate INFO : Generated cross-section 2 graphs.
  868. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  869. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.367] @gammaloop_api::se... INFO : Running command generate
  870. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.670] @commands::generate INFO :
  871. 25.50 s gammaloop-nextest-python-api> Integrand generation summary
  872. 25.50 s gammaloop-nextest-python-api> peak RAM 96.16 MiB | cores 1
  873. 25.50 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  874. 25.50 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  875. 25.50 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  876. 25.50 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  877. 25.50 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 56ms (31%) │ 58ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  878. 25.50 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  879. 25.50 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 96ms (36%) │ 79ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  880. 25.50 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  881. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.670] @gammaloop_api::se... INFO : Running command set process string '
  882. 25.50 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  883. 25.50 s gammaloop-nextest-python-api> type = "jet"
  884. 25.50 s gammaloop-nextest-python-api> quantity = "PT"
  885. 25.50 s gammaloop-nextest-python-api> dR = 0.4
  886. 25.50 s gammaloop-nextest-python-api> [...]
  887. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  888. 25.50 s gammaloop-nextest-python-api> The application panicked (crashed).
  889. 25.50 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  890. 25.50 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  891. 25.50 s gammaloop-nextest-python-api>
  892. 25.50 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  893. 25.50 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  894. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  895. 25.50 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  896. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  897. 25.50 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  898. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  899. 25.50 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  900. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  901. 25.50 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  902. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  903. 25.50 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  904. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  905. 25.50 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  906. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  907. 25.50 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  908. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  909. 25.50 s gammaloop-nextest-python-api> 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  910. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  911. 25.50 s gammaloop-nextest-python-api> 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  912. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  913. 25.50 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  914. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  915. 25.50 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  916. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  917. 25.50 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  918. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  919. 25.50 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  920. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  921. 25.50 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  922. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  923. 25.50 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  924. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  925. 25.50 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  926. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  927. 25.50 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  928. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  929. 25.50 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  930. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  931. 25.50 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  932. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  933. 25.50 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  934. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  935. 25.50 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  936. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  937. 25.50 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  938. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  939. 25.50 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  940. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  941. 25.50 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  942. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  943. 25.50 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  944. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  945. 25.50 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  946. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  947. 25.50 s gammaloop-nextest-python-api> 28: _start<unknown>
  948. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  949. 25.50 s gammaloop-nextest-python-api>
  950. 25.50 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  951. 25.50 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  952. 25.50 s gammaloop-nextest-python-api> Traceback (most recent call last):
  953. 25.50 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  954. 25.50 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  955. 25.50 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  956. 25.50 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  957. 25.50 s gammaloop-nextest-python-api>
  958. 25.50 s gammaloop-nextest-python-api>
  959. 25.50 s gammaloop-nextest-python-api> ... omitted 2 more lines; see full nextest output above
  960. 25.50 s gammaloop-nextest-python-api> system-out
  961. 25.50 s gammaloop-nextest-python-api> running 1 test
  962. 25.50 s gammaloop-nextest-python-api> test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  963. 25.50 s gammaloop-nextest-python-api>
  964. 25.50 s gammaloop-nextest-python-api> failures:
  965. 25.50 s gammaloop-nextest-python-api>
  966. 25.50 s gammaloop-nextest-python-api> failures:
  967. 25.50 s gammaloop-nextest-python-api> python_evaluate_sample_honors_generate_events_and_observable_snapshots
  968. 25.50 s gammaloop-nextest-python-api>
  969. 25.50 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  970. 25.50 s gammaloop-nextest-python-api> system-err
  971. 25.50 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  972. 25.50 s gammaloop-nextest-python-api> stdout:
  973. 25.50 s gammaloop-nextest-python-api>
  974. 25.50 s gammaloop-nextest-python-api> stderr:
  975. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  976. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  977. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.260] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  978. 25.50 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  979. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  980. 25.50 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  981. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  982. 25.50 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  983. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  984. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  985. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  986. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  987. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  988. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  989. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  990. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  991. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  992. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  993. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  994. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  995. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  996. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  997. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  998. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @commands::generate INFO : Generated cross-section 2 graphs.
  999. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1000. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.367] @gammaloop_api::se... INFO : Running command generate
  1001. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.670] @commands::generate INFO :
  1002. 25.50 s gammaloop-nextest-python-api> Integrand generation summary
  1003. 25.50 s gammaloop-nextest-python-api> peak RAM 96.16 MiB | cores 1
  1004. 25.50 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1005. 25.50 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1006. 25.50 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1007. 25.50 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  1008. 25.50 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 56ms (31%) │ 58ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  1009. 25.50 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1010. 25.50 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 96ms (36%) │ 79ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  1011. 25.50 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1012. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.670] @gammaloop_api::se... INFO : Running command set process string '
  1013. 25.50 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  1014. 25.50 s gammaloop-nextest-python-api> type = "jet"
  1015. 25.50 s gammaloop-nextest-python-api> quantity = "PT"
  1016. 25.50 s gammaloop-nextest-python-api> dR = 0.4
  1017. 25.50 s gammaloop-nextest-python-api> [...]
  1018. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  1019. 25.50 s gammaloop-nextest-python-api> The application panicked (crashed).
  1020. 25.50 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1021. 25.50 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1022. 25.50 s gammaloop-nextest-python-api>
  1023. 25.50 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1024. 25.50 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1025. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1026. 25.50 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1027. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1028. 25.50 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1029. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1030. 25.50 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1031. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1032. 25.50 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1033. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1034. 25.50 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1035. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1036. 25.50 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1037. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1038. 25.50 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1039. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1040. 25.50 s gammaloop-nextest-python-api> 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  1041. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1042. 25.50 s gammaloop-nextest-python-api> 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  1043. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1044. 25.50 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1045. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1046. 25.50 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1047. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1048. 25.50 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1049. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1050. 25.50 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1051. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1052. 25.50 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1053. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1054. 25.50 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1055. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1056. 25.50 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1057. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1058. 25.50 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1059. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1060. 25.50 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1061. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1062. 25.50 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1063. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1064. 25.50 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  1065. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1066. 25.50 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  1067. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1068. 25.50 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  1069. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1070. 25.50 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  1071. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1072. 25.50 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  1073. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1074. 25.50 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  1075. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1076. 25.50 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  1077. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1078. 25.50 s gammaloop-nextest-python-api> 28: _start<unknown>
  1079. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1080. 25.50 s gammaloop-nextest-python-api>
  1081. 25.50 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1082. 25.50 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1083. 25.50 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1084. 25.50 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  1085. 25.50 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  1086. 25.50 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  1087. 25.50 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1088. 25.50 s gammaloop-nextest-python-api>
  1089. 25.50 s gammaloop-nextest-python-api>
  1090. 25.50 s gammaloop-nextest-python-api> ... omitted 2 more lines; see full nextest output above
  1091. 25.50 s gammaloop-nextest-python-api>
  1092. 25.50 s gammaloop-nextest-python-api> 2. gammaloop-integration-tests::test_python_api::python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1093. 25.50 s gammaloop-nextest-python-api> failure: test failure with exit code 101
  1094. 25.50 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1095. 25.50 s gammaloop-nextest-python-api> stdout:
  1096. 25.50 s gammaloop-nextest-python-api>
  1097. 25.50 s gammaloop-nextest-python-api> stderr:
  1098. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  1099. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  1100. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1101. 25.50 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1102. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1103. 25.50 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  1104. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1105. 25.50 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  1106. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  1107. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1108. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  1109. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1110. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1111. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1112. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1113. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1114. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1115. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1116. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1117. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1118. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1119. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  1120. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1121. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.367] @commands::generate INFO : Generated cross-section 2 graphs.
  1122. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.367] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1123. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.368] @gammaloop_api::se... INFO : Running command generate
  1124. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.670] @commands::generate INFO :
  1125. 25.50 s gammaloop-nextest-python-api> Integrand generation summary
  1126. 25.50 s gammaloop-nextest-python-api> peak RAM 97.18 MiB | cores 1
  1127. 25.50 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1128. 25.50 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1129. 25.50 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1130. 25.50 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (24%) │ 23ms (27%) │ 0ms (0.00%) │
  1131. 25.50 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 58ms (32%) │ 57ms (31%) │ 68ms (37%) │ 0ms (0.00%) │
  1132. 25.50 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1133. 25.50 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 98ms (37%) │ 78ms (29%) │ 91ms (34%) │ 0ms (0.00%) │
  1134. 25.50 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1135. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  1136. 25.50 s gammaloop-nextest-python-api> The application panicked (crashed).
  1137. 25.50 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1138. 25.50 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1139. 25.50 s gammaloop-nextest-python-api>
  1140. 25.50 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1141. 25.50 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1142. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1143. 25.50 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1144. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1145. 25.50 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1146. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1147. 25.50 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1148. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1149. 25.50 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1150. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1151. 25.50 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1152. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1153. 25.50 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1154. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1155. 25.50 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1156. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1157. 25.50 s gammaloop-nextest-python-api> 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  1158. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1159. 25.50 s gammaloop-nextest-python-api> 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  1160. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1161. 25.50 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1162. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1163. 25.50 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1164. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1165. 25.50 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1166. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1167. 25.50 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1168. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1169. 25.50 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1170. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1171. 25.50 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1172. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1173. 25.50 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1174. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1175. 25.50 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1176. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1177. 25.50 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1178. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1179. 25.50 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1180. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1181. 25.50 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  1182. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1183. 25.50 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  1184. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1185. 25.50 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  1186. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1187. 25.50 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  1188. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1189. 25.50 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  1190. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1191. 25.50 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  1192. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1193. 25.50 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  1194. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1195. 25.50 s gammaloop-nextest-python-api> 28: _start<unknown>
  1196. 25.50 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1197. 25.50 s gammaloop-nextest-python-api>
  1198. 25.50 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1199. 25.50 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1200. 25.50 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1201. 25.50 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  1202. 25.50 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  1203. 25.50 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1204. 25.50 s gammaloop-nextest-python-api>
  1205. 25.50 s gammaloop-nextest-python-api>
  1206. 25.50 s gammaloop-nextest-python-api> Location:
  1207. 25.50 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1208. 25.50 s gammaloop-nextest-python-api> system-out
  1209. 25.50 s gammaloop-nextest-python-api> running 1 test
  1210. 25.50 s gammaloop-nextest-python-api> test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  1211. 25.50 s gammaloop-nextest-python-api>
  1212. 25.50 s gammaloop-nextest-python-api> failures:
  1213. 25.50 s gammaloop-nextest-python-api>
  1214. 25.50 s gammaloop-nextest-python-api> failures:
  1215. 25.50 s gammaloop-nextest-python-api> python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1216. 25.50 s gammaloop-nextest-python-api>
  1217. 25.50 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  1218. 25.50 s gammaloop-nextest-python-api> system-err
  1219. 25.50 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1220. 25.50 s gammaloop-nextest-python-api> stdout:
  1221. 25.50 s gammaloop-nextest-python-api>
  1222. 25.50 s gammaloop-nextest-python-api> stderr:
  1223. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  1224. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  1225. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1226. 25.50 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1227. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1228. 25.50 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  1229. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1230. 25.50 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  1231. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  1232. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1233. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  1234. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1235. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1236. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1237. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1238. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1239. 25.50 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1240. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1241. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1242. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1243. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1244. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  1245. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1246. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.367] @commands::generate INFO : Generated cross-section 2 graphs.
  1247. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.367] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1248. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.368] @gammaloop_api::se... INFO : Running command generate
  1249. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.670] @commands::generate INFO :
  1250. 25.51 s gammaloop-nextest-python-api> Integrand generation summary
  1251. 25.51 s gammaloop-nextest-python-api> peak RAM 97.18 MiB | cores 1
  1252. 25.51 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1253. 25.51 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1254. 25.51 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1255. 25.51 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (24%) │ 23ms (27%) │ 0ms (0.00%) │
  1256. 25.51 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 58ms (32%) │ 57ms (31%) │ 68ms (37%) │ 0ms (0.00%) │
  1257. 25.51 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1258. 25.51 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 98ms (37%) │ 78ms (29%) │ 91ms (34%) │ 0ms (0.00%) │
  1259. 25.51 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1260. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  1261. 25.51 s gammaloop-nextest-python-api> The application panicked (crashed).
  1262. 25.51 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1263. 25.51 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1264. 25.51 s gammaloop-nextest-python-api>
  1265. 25.51 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1266. 25.51 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1267. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1268. 25.51 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1269. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1270. 25.51 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1271. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1272. 25.51 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1273. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1274. 25.51 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1275. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1276. 25.51 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1277. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1278. 25.51 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1279. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1280. 25.51 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1281. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1282. 25.51 s gammaloop-nextest-python-api> 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  1283. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1284. 25.51 s gammaloop-nextest-python-api> 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  1285. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1286. 25.51 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1287. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1288. 25.51 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1289. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1290. 25.51 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1291. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1292. 25.51 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1293. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1294. 25.51 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1295. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1296. 25.51 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1297. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1298. 25.51 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1299. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1300. 25.51 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1301. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1302. 25.51 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1303. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1304. 25.51 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1305. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1306. 25.51 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  1307. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1308. 25.51 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  1309. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1310. 25.51 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  1311. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1312. 25.51 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  1313. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1314. 25.51 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  1315. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1316. 25.51 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  1317. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1318. 25.51 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  1319. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1320. 25.51 s gammaloop-nextest-python-api> 28: _start<unknown>
  1321. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1322. 25.51 s gammaloop-nextest-python-api>
  1323. 25.51 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1324. 25.51 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1325. 25.51 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1326. 25.51 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  1327. 25.51 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  1328. 25.51 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1329. 25.51 s gammaloop-nextest-python-api>
  1330. 25.51 s gammaloop-nextest-python-api>
  1331. 25.51 s gammaloop-nextest-python-api> Location:
  1332. 25.51 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1333. 25.51 s gammaloop-nextest-python-api>
  1334. 25.51 s gammaloop-nextest-python-api> 3. gammaloop-integration-tests::test_python_api::python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1335. 25.51 s gammaloop-nextest-python-api> failure: test failure with exit code 101
  1336. 25.51 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1337. 25.51 s gammaloop-nextest-python-api> stdout:
  1338. 25.51 s gammaloop-nextest-python-api>
  1339. 25.51 s gammaloop-nextest-python-api> stderr:
  1340. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  1341. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  1342. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.260] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1343. 25.51 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1344. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1345. 25.51 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  1346. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1347. 25.51 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  1348. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  1349. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1350. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  1351. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1352. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.267] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1353. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1354. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1355. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1356. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1357. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1358. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1359. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1360. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1361. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.365] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  1362. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.365] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1363. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @commands::generate INFO : Generated cross-section 2 graphs.
  1364. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1365. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.367] @gammaloop_api::se... INFO : Running command generate
  1366. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.669] @commands::generate INFO :
  1367. 25.51 s gammaloop-nextest-python-api> Integrand generation summary
  1368. 25.51 s gammaloop-nextest-python-api> peak RAM 97.04 MiB | cores 1
  1369. 25.51 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1370. 25.51 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1371. 25.51 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1372. 25.51 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 37ms (46%) │ 20ms (25%) │ 23ms (29%) │ 0ms (0.00%) │
  1373. 25.51 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 58ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  1374. 25.51 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1375. 25.51 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 94ms (36%) │ 78ms (30%) │ 92ms (35%) │ 0ms (0.00%) │
  1376. 25.51 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1377. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.670] @gammaloop_api::se... INFO : Running command set process string '
  1378. 25.51 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  1379. 25.51 s gammaloop-nextest-python-api> type = "jet"
  1380. 25.51 s gammaloop-nextest-python-api> quantity = "PT"
  1381. 25.51 s gammaloop-nextest-python-api> dR = 0.4
  1382. 25.51 s gammaloop-nextest-python-api> [...]
  1383. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  1384. 25.51 s gammaloop-nextest-python-api> The application panicked (crashed).
  1385. 25.51 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1386. 25.51 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1387. 25.51 s gammaloop-nextest-python-api>
  1388. 25.51 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1389. 25.51 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1390. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1391. 25.51 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1392. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1393. 25.51 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1394. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1395. 25.51 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1396. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1397. 25.51 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1398. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1399. 25.51 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1400. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1401. 25.51 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1402. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1403. 25.51 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1404. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1405. 25.51 s gammaloop-nextest-python-api> 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  1406. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1407. 25.51 s gammaloop-nextest-python-api> 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  1408. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1409. 25.51 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1410. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1411. 25.51 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1412. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1413. 25.51 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1414. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1415. 25.51 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1416. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1417. 25.51 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1418. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1419. 25.51 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  1420. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1421. 25.51 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  1422. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1423. 25.51 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1424. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1425. 25.51 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1426. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1427. 25.51 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1428. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1429. 25.51 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  1430. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1431. 25.51 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  1432. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1433. 25.51 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  1434. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1435. 25.51 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  1436. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1437. 25.51 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  1438. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1439. 25.51 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  1440. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1441. 25.51 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  1442. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1443. 25.51 s gammaloop-nextest-python-api> 28: _start<unknown>
  1444. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1445. 25.51 s gammaloop-nextest-python-api>
  1446. 25.51 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1447. 25.51 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1448. 25.51 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1449. 25.51 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  1450. 25.51 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  1451. 25.51 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  1452. 25.51 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1453. 25.51 s gammaloop-nextest-python-api>
  1454. 25.51 s gammaloop-nextest-python-api>
  1455. 25.51 s gammaloop-nextest-python-api> ... omitted 2 more lines; see full nextest output above
  1456. 25.51 s gammaloop-nextest-python-api> system-out
  1457. 25.51 s gammaloop-nextest-python-api> running 1 test
  1458. 25.51 s gammaloop-nextest-python-api> test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  1459. 25.51 s gammaloop-nextest-python-api>
  1460. 25.51 s gammaloop-nextest-python-api> failures:
  1461. 25.51 s gammaloop-nextest-python-api>
  1462. 25.51 s gammaloop-nextest-python-api> failures:
  1463. 25.51 s gammaloop-nextest-python-api> python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1464. 25.51 s gammaloop-nextest-python-api>
  1465. 25.51 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.70s
  1466. 25.51 s gammaloop-nextest-python-api> system-err
  1467. 25.51 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1468. 25.51 s gammaloop-nextest-python-api> stdout:
  1469. 25.51 s gammaloop-nextest-python-api>
  1470. 25.51 s gammaloop-nextest-python-api> stderr:
  1471. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  1472. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  1473. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.260] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1474. 25.51 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1475. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1476. 25.51 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  1477. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1478. 25.51 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  1479. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.261] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  1480. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1481. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  1482. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1483. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.267] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1484. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1485. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1486. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1487. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1488. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1489. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1490. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1491. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1492. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.365] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  1493. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.365] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1494. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @commands::generate INFO : Generated cross-section 2 graphs.
  1495. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.366] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1496. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.367] @gammaloop_api::se... INFO : Running command generate
  1497. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.669] @commands::generate INFO :
  1498. 25.51 s gammaloop-nextest-python-api> Integrand generation summary
  1499. 25.51 s gammaloop-nextest-python-api> peak RAM 97.04 MiB | cores 1
  1500. 25.51 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1501. 25.51 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1502. 25.51 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1503. 25.51 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 37ms (46%) │ 20ms (25%) │ 23ms (29%) │ 0ms (0.00%) │
  1504. 25.51 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 58ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  1505. 25.51 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1506. 25.51 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 94ms (36%) │ 78ms (30%) │ 92ms (35%) │ 0ms (0.00%) │
  1507. 25.51 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1508. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.670] @gammaloop_api::se... INFO : Running command set process string '
  1509. 25.51 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  1510. 25.51 s gammaloop-nextest-python-api> type = "jet"
  1511. 25.51 s gammaloop-nextest-python-api> quantity = "PT"
  1512. 25.51 s gammaloop-nextest-python-api> dR = 0.4
  1513. 25.51 s gammaloop-nextest-python-api> [...]
  1514. 25.51 s gammaloop-nextest-python-api> [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  1515. 25.51 s gammaloop-nextest-python-api> The application panicked (crashed).
  1516. 25.51 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1517. 25.51 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1518. 25.51 s gammaloop-nextest-python-api>
  1519. 25.51 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1520. 25.51 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1521. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1522. 25.51 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1523. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1524. 25.51 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1525. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1526. 25.51 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1527. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1528. 25.51 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1529. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1530. 25.51 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1531. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1532. 25.51 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1533. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1534. 25.51 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1535. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1536. 25.51 s gammaloop-nextest-python-api> 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  1537. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1538. 25.51 s gammaloop-nextest-python-api> 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  1539. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1540. 25.51 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1541. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1542. 25.51 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1543. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1544. 25.51 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1545. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1546. 25.51 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1547. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1548. 25.51 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1549. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1550. 25.51 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  1551. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1552. 25.51 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  1553. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1554. 25.51 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1555. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1556. 25.51 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1557. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1558. 25.51 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1559. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1560. 25.51 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  1561. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1562. 25.51 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  1563. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1564. 25.51 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  1565. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1566. 25.51 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  1567. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1568. 25.51 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  1569. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1570. 25.51 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  1571. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1572. 25.51 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  1573. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1574. 25.51 s gammaloop-nextest-python-api> 28: _start<unknown>
  1575. 25.51 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1576. 25.51 s gammaloop-nextest-python-api>
  1577. 25.51 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1578. 25.51 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1579. 25.51 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1580. 25.51 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  1581. 25.51 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  1582. 25.51 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  1583. 25.51 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1584. 25.51 s gammaloop-nextest-python-api>
  1585. 25.51 s gammaloop-nextest-python-api>
  1586. 25.51 s gammaloop-nextest-python-api> ... omitted 2 more lines; see full nextest output above
  1587. 25.51 s gammaloop-nextest-python-api> =========================================
  1588. 25.55 s error: Cannot build '/nix/store/zj9iv3i3rnkdjxrjpfv3yi916lhlmqk8-gammaloop-nextest-python-api.drv'.
  1589. 25.55 s Reason: builder failed with exit code 100.
  1590. 25.55 s Output paths:
  1591. 25.55 s /nix/store/klgqn2jzjdj8m872g3gs0afvj60j2nqf-gammaloop-nextest-python-api
  1592. 25.55 s Last 1565 log lines:
  1593. 25.55 s > Extracting 1 binary, 1 build script output directory, and 3 linked paths to /build/nextest-archive-zWDHMo
  1594. 25.55 s > Extracted 18 files to /build/nextest-archive-zWDHMo in 0.06s
  1595. 25.55 s > ------------
  1596. 25.55 s > Nextest run ID 70959105-77df-4971-aeca-99b587d78632 with nextest profile: ci_gammaloop
  1597. 25.55 s > Starting 5 tests across 1 binary
  1598. 25.55 s > FAIL [ 0.601s] (3/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  1599. 25.55 s > stdout ---
  1600. 25.55 s >
  1601. 25.55 s > running 1 test
  1602. 25.55 s > test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  1603. 25.55 s >
  1604. 25.55 s > failures:
  1605. 25.55 s >
  1606. 25.55 s > failures:
  1607. 25.55 s > python_evaluate_sample_honors_generate_events_and_observable_snapshots
  1608. 25.55 s >
  1609. 25.55 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  1610. 25.55 s >
  1611. 25.55 s > stderr ---
  1612. 25.55 s > Error: Python API test subprocess failed.
  1613. 25.55 s > stdout:
  1614. 25.55 s >
  1615. 25.55 s > stderr:
  1616. 25.55 s > [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  1617. 25.55 s > [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  1618. 25.55 s > [2026-09-14 01:10:46.260] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1619. 25.55 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1620. 25.55 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1621. 25.55 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  1622. 25.55 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1623. 25.55 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  1624. 25.55 s > [2026-09-14 01:10:46.261] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  1625. 25.55 s > [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1626. 25.55 s > [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  1627. 25.55 s > [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1628. 25.55 s > [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1629. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1630. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1631. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1632. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1633. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1634. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1635. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1636. 25.55 s > [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1637. 25.55 s > [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  1638. 25.55 s > [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1639. 25.55 s > [2026-09-14 01:10:46.366] @commands::generate INFO : Generated cross-section 2 graphs.
  1640. 25.55 s > [2026-09-14 01:10:46.366] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1641. 25.55 s > [2026-09-14 01:10:46.367] @gammaloop_api::se... INFO : Running command generate
  1642. 25.55 s > [2026-09-14 01:10:46.670] @commands::generate INFO :
  1643. 25.55 s > Integrand generation summary
  1644. 25.55 s > peak RAM 96.16 MiB | cores 1
  1645. 25.55 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1646. 25.55 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1647. 25.55 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1648. 25.55 s > │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  1649. 25.55 s > │ default │ GL2 │ 5 │ 56ms (31%) │ 58ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  1650. 25.55 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1651. 25.55 s > │ Total │ │ 8 │ 96ms (36%) │ 79ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  1652. 25.55 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1653. 25.55 s > [2026-09-14 01:10:46.670] @gammaloop_api::se... INFO : Running command set process string '
  1654. 25.55 s > [quantities.leading_jet_pt]
  1655. 25.55 s > type = "jet"
  1656. 25.55 s > quantity = "PT"
  1657. 25.55 s > dR = 0.4
  1658. 25.55 s > [...]
  1659. 25.55 s > [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  1660. 25.55 s > The application panicked (crashed).
  1661. 25.55 s > Message: index out of bounds: the len is 0 but the index is 0
  1662. 25.55 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1663. 25.55 s >
  1664. 25.55 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1665. 25.55 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1666. 25.55 s > at <unknown source file>:<unknown line>
  1667. 25.55 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1668. 25.55 s > at <unknown source file>:<unknown line>
  1669. 25.55 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1670. 25.55 s > at <unknown source file>:<unknown line>
  1671. 25.55 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1672. 25.55 s > at <unknown source file>:<unknown line>
  1673. 25.55 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1674. 25.55 s > at <unknown source file>:<unknown line>
  1675. 25.55 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1676. 25.55 s > at <unknown source file>:<unknown line>
  1677. 25.55 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1678. 25.55 s > at <unknown source file>:<unknown line>
  1679. 25.55 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1680. 25.55 s > at <unknown source file>:<unknown line>
  1681. 25.55 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  1682. 25.55 s > at <unknown source file>:<unknown line>
  1683. 25.55 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  1684. 25.55 s > at <unknown source file>:<unknown line>
  1685. 25.55 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1686. 25.55 s > at <unknown source file>:<unknown line>
  1687. 25.55 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1688. 25.55 s > at <unknown source file>:<unknown line>
  1689. 25.55 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1690. 25.55 s > at <unknown source file>:<unknown line>
  1691. 25.55 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1692. 25.55 s > at <unknown source file>:<unknown line>
  1693. 25.55 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1694. 25.55 s > at <unknown source file>:<unknown line>
  1695. 25.55 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1696. 25.55 s > at <unknown source file>:<unknown line>
  1697. 25.55 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1698. 25.55 s > at <unknown source file>:<unknown line>
  1699. 25.55 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1700. 25.55 s > at <unknown source file>:<unknown line>
  1701. 25.55 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1702. 25.55 s > at <unknown source file>:<unknown line>
  1703. 25.55 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1704. 25.55 s > at <unknown source file>:<unknown line>
  1705. 25.55 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  1706. 25.55 s > at <unknown source file>:<unknown line>
  1707. 25.55 s > 22: PyEval_EvalCode.localalias<unknown>
  1708. 25.55 s > at <unknown source file>:<unknown line>
  1709. 25.55 s > 23: run_eval_code_obj<unknown>
  1710. 25.55 s > at <unknown source file>:<unknown line>
  1711. 25.55 s > 24: run_mod<unknown>
  1712. 25.55 s > at <unknown source file>:<unknown line>
  1713. 25.55 s > 25: Py_RunMain.localalias<unknown>
  1714. 25.55 s > at <unknown source file>:<unknown line>
  1715. 25.55 s > 26: __libc_start_call_main<unknown>
  1716. 25.55 s > at <unknown source file>:<unknown line>
  1717. 25.55 s > 27: __libc_start_main_alias_2<unknown>
  1718. 25.55 s > at <unknown source file>:<unknown line>
  1719. 25.55 s > 28: _start<unknown>
  1720. 25.55 s > at <unknown source file>:<unknown line>
  1721. 25.55 s >
  1722. 25.55 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1723. 25.55 s > Run with RUST_BACKTRACE=full to include source snippets.
  1724. 25.55 s > Traceback (most recent call last):
  1725. 25.55 s > File "<string>", line 78, in <module>
  1726. 25.55 s > without_events = summarize_result(api.evaluate_sample(point))
  1727. 25.55 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  1728. 25.55 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1729. 25.55 s >
  1730. 25.55 s >
  1731. 25.55 s > Location:
  1732. 25.55 s > tests/tests/test_python_api.rs:156:20
  1733. 25.55 s >
  1734. 25.55 s > FAIL [ 0.603s] (4/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1735. 25.55 s > stdout ---
  1736. 25.55 s >
  1737. 25.55 s > running 1 test
  1738. 25.55 s > test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  1739. 25.55 s >
  1740. 25.55 s > failures:
  1741. 25.55 s >
  1742. 25.55 s > failures:
  1743. 25.55 s > python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1744. 25.55 s >
  1745. 25.55 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  1746. 25.55 s >
  1747. 25.55 s > stderr ---
  1748. 25.55 s > Error: Python API test subprocess failed.
  1749. 25.55 s > stdout:
  1750. 25.55 s >
  1751. 25.55 s > stderr:
  1752. 25.55 s > [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  1753. 25.55 s > [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  1754. 25.55 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1755. 25.55 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1756. 25.55 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1757. 25.55 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  1758. 25.55 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1759. 25.55 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  1760. 25.55 s > [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  1761. 25.55 s > [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1762. 25.55 s > [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  1763. 25.55 s > [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1764. 25.55 s > [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1765. 25.55 s > [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1766. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1767. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1768. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1769. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1770. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1771. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1772. 25.55 s > [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1773. 25.55 s > [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  1774. 25.55 s > [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1775. 25.55 s > [2026-09-14 01:10:46.367] @commands::generate INFO : Generated cross-section 2 graphs.
  1776. 25.55 s > [2026-09-14 01:10:46.367] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1777. 25.55 s > [2026-09-14 01:10:46.368] @gammaloop_api::se... INFO : Running command generate
  1778. 25.55 s > [2026-09-14 01:10:46.670] @commands::generate INFO :
  1779. 25.55 s > Integrand generation summary
  1780. 25.55 s > peak RAM 97.18 MiB | cores 1
  1781. 25.55 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1782. 25.55 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1783. 25.55 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1784. 25.55 s > │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (24%) │ 23ms (27%) │ 0ms (0.00%) │
  1785. 25.55 s > │ default │ GL2 │ 5 │ 58ms (32%) │ 57ms (31%) │ 68ms (37%) │ 0ms (0.00%) │
  1786. 25.55 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1787. 25.55 s > │ Total │ │ 8 │ 98ms (37%) │ 78ms (29%) │ 91ms (34%) │ 0ms (0.00%) │
  1788. 25.55 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1789. 25.55 s > [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  1790. 25.55 s > The application panicked (crashed).
  1791. 25.55 s > Message: index out of bounds: the len is 0 but the index is 0
  1792. 25.55 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1793. 25.55 s >
  1794. 25.55 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1795. 25.55 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1796. 25.55 s > at <unknown source file>:<unknown line>
  1797. 25.55 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1798. 25.55 s > at <unknown source file>:<unknown line>
  1799. 25.55 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1800. 25.55 s > at <unknown source file>:<unknown line>
  1801. 25.55 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1802. 25.55 s > at <unknown source file>:<unknown line>
  1803. 25.55 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1804. 25.55 s > at <unknown source file>:<unknown line>
  1805. 25.55 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1806. 25.55 s > at <unknown source file>:<unknown line>
  1807. 25.55 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1808. 25.55 s > at <unknown source file>:<unknown line>
  1809. 25.55 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1810. 25.55 s > at <unknown source file>:<unknown line>
  1811. 25.55 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  1812. 25.55 s > at <unknown source file>:<unknown line>
  1813. 25.55 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  1814. 25.55 s > at <unknown source file>:<unknown line>
  1815. 25.55 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1816. 25.55 s > at <unknown source file>:<unknown line>
  1817. 25.55 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1818. 25.55 s > at <unknown source file>:<unknown line>
  1819. 25.55 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1820. 25.55 s > at <unknown source file>:<unknown line>
  1821. 25.55 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1822. 25.55 s > at <unknown source file>:<unknown line>
  1823. 25.55 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1824. 25.55 s > at <unknown source file>:<unknown line>
  1825. 25.55 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1826. 25.55 s > at <unknown source file>:<unknown line>
  1827. 25.55 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1828. 25.55 s > at <unknown source file>:<unknown line>
  1829. 25.55 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1830. 25.55 s > at <unknown source file>:<unknown line>
  1831. 25.55 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1832. 25.55 s > at <unknown source file>:<unknown line>
  1833. 25.55 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1834. 25.55 s > at <unknown source file>:<unknown line>
  1835. 25.55 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  1836. 25.55 s > at <unknown source file>:<unknown line>
  1837. 25.55 s > 22: PyEval_EvalCode.localalias<unknown>
  1838. 25.55 s > at <unknown source file>:<unknown line>
  1839. 25.55 s > 23: run_eval_code_obj<unknown>
  1840. 25.55 s > at <unknown source file>:<unknown line>
  1841. 25.55 s > 24: run_mod<unknown>
  1842. 25.55 s > at <unknown source file>:<unknown line>
  1843. 25.55 s > 25: Py_RunMain.localalias<unknown>
  1844. 25.55 s > at <unknown source file>:<unknown line>
  1845. 25.55 s > 26: __libc_start_call_main<unknown>
  1846. 25.55 s > at <unknown source file>:<unknown line>
  1847. 25.55 s > 27: __libc_start_main_alias_2<unknown>
  1848. 25.55 s > at <unknown source file>:<unknown line>
  1849. 25.55 s > 28: _start<unknown>
  1850. 25.55 s > at <unknown source file>:<unknown line>
  1851. 25.55 s >
  1852. 25.55 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1853. 25.55 s > Run with RUST_BACKTRACE=full to include source snippets.
  1854. 25.55 s > Traceback (most recent call last):
  1855. 25.55 s > File "<string>", line 78, in <module>
  1856. 25.55 s > result = api.evaluate_sample(point)
  1857. 25.55 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1858. 25.55 s >
  1859. 25.55 s >
  1860. 25.55 s > Location:
  1861. 25.55 s > tests/tests/test_python_api.rs:156:20
  1862. 25.55 s >
  1863. 25.55 s > FAIL [ 0.708s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1864. 25.55 s > stdout ---
  1865. 25.55 s >
  1866. 25.55 s > running 1 test
  1867. 25.55 s > test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  1868. 25.55 s >
  1869. 25.55 s > failures:
  1870. 25.55 s >
  1871. 25.55 s > failures:
  1872. 25.55 s > python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1873. 25.55 s >
  1874. 25.55 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.70s
  1875. 25.55 s >
  1876. 25.55 s > stderr ---
  1877. 25.55 s > Error: Python API test subprocess failed.
  1878. 25.55 s > stdout:
  1879. 25.55 s >
  1880. 25.55 s > stderr:
  1881. 25.55 s > [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  1882. 25.55 s > [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  1883. 25.55 s > [2026-09-14 01:10:46.260] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1884. 25.55 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1885. 25.55 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1886. 25.55 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  1887. 25.55 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1888. 25.55 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  1889. 25.55 s > [2026-09-14 01:10:46.261] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  1890. 25.55 s > [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1891. 25.55 s > [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  1892. 25.55 s > [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1893. 25.55 s > [2026-09-14 01:10:46.267] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1894. 25.55 s > [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1895. 25.55 s > [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1896. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1897. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1898. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1899. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1900. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1901. 25.55 s > [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1902. 25.55 s > [2026-09-14 01:10:46.365] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  1903. 25.55 s > [2026-09-14 01:10:46.365] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1904. 25.55 s > [2026-09-14 01:10:46.366] @commands::generate INFO : Generated cross-section 2 graphs.
  1905. 25.55 s > [2026-09-14 01:10:46.366] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1906. 25.55 s > [2026-09-14 01:10:46.367] @gammaloop_api::se... INFO : Running command generate
  1907. 25.55 s > [2026-09-14 01:10:46.669] @commands::generate INFO :
  1908. 25.55 s > Integrand generation summary
  1909. 25.55 s > peak RAM 97.04 MiB | cores 1
  1910. 25.55 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1911. 25.55 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1912. 25.55 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1913. 25.55 s > │ default │ GL0 │ 3 │ 37ms (46%) │ 20ms (25%) │ 23ms (29%) │ 0ms (0.00%) │
  1914. 25.55 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 58ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  1915. 25.55 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1916. 25.55 s > │ Total │ │ 8 │ 94ms (36%) │ 78ms (30%) │ 92ms (35%) │ 0ms (0.00%) │
  1917. 25.55 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1918. 25.55 s > [2026-09-14 01:10:46.670] @gammaloop_api::se... INFO : Running command set process string '
  1919. 25.55 s > [quantities.leading_jet_pt]
  1920. 25.55 s > type = "jet"
  1921. 25.55 s > quantity = "PT"
  1922. 25.55 s > dR = 0.4
  1923. 25.55 s > [...]
  1924. 25.55 s > [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  1925. 25.55 s > The application panicked (crashed).
  1926. 25.55 s > Message: index out of bounds: the len is 0 but the index is 0
  1927. 25.55 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1928. 25.55 s >
  1929. 25.55 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1930. 25.55 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1931. 25.55 s > at <unknown source file>:<unknown line>
  1932. 25.55 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1933. 25.55 s > at <unknown source file>:<unknown line>
  1934. 25.55 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1935. 25.55 s > at <unknown source file>:<unknown line>
  1936. 25.55 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1937. 25.55 s > at <unknown source file>:<unknown line>
  1938. 25.55 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1939. 25.55 s > at <unknown source file>:<unknown line>
  1940. 25.55 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1941. 25.55 s > at <unknown source file>:<unknown line>
  1942. 25.55 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1943. 25.55 s > at <unknown source file>:<unknown line>
  1944. 25.55 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1945. 25.55 s > at <unknown source file>:<unknown line>
  1946. 25.55 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  1947. 25.55 s > at <unknown source file>:<unknown line>
  1948. 25.55 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  1949. 25.55 s > at <unknown source file>:<unknown line>
  1950. 25.55 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1951. 25.55 s > at <unknown source file>:<unknown line>
  1952. 25.55 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1953. 25.55 s > at <unknown source file>:<unknown line>
  1954. 25.55 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1955. 25.55 s > at <unknown source file>:<unknown line>
  1956. 25.55 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1957. 25.55 s > at <unknown source file>:<unknown line>
  1958. 25.55 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1959. 25.55 s > at <unknown source file>:<unknown line>
  1960. 25.55 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  1961. 25.55 s > at <unknown source file>:<unknown line>
  1962. 25.55 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  1963. 25.55 s > at <unknown source file>:<unknown line>
  1964. 25.55 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1965. 25.55 s > at <unknown source file>:<unknown line>
  1966. 25.55 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1967. 25.55 s > at <unknown source file>:<unknown line>
  1968. 25.55 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1969. 25.55 s > at <unknown source file>:<unknown line>
  1970. 25.55 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  1971. 25.55 s > at <unknown source file>:<unknown line>
  1972. 25.55 s > 22: PyEval_EvalCode.localalias<unknown>
  1973. 25.55 s > at <unknown source file>:<unknown line>
  1974. 25.55 s > 23: run_eval_code_obj<unknown>
  1975. 25.55 s > at <unknown source file>:<unknown line>
  1976. 25.55 s > 24: run_mod<unknown>
  1977. 25.55 s > at <unknown source file>:<unknown line>
  1978. 25.55 s > 25: Py_RunMain.localalias<unknown>
  1979. 25.55 s > at <unknown source file>:<unknown line>
  1980. 25.55 s > 26: __libc_start_call_main<unknown>
  1981. 25.55 s > at <unknown source file>:<unknown line>
  1982. 25.55 s > 27: __libc_start_main_alias_2<unknown>
  1983. 25.55 s > at <unknown source file>:<unknown line>
  1984. 25.55 s > 28: _start<unknown>
  1985. 25.55 s > at <unknown source file>:<unknown line>
  1986. 25.55 s >
  1987. 25.55 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1988. 25.55 s > Run with RUST_BACKTRACE=full to include source snippets.
  1989. 25.55 s > Traceback (most recent call last):
  1990. 25.55 s > File "<string>", line 85, in <module>
  1991. 25.55 s > batch = summarize_batch_result(api.evaluate_samples(points))
  1992. 25.55 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  1993. 25.55 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1994. 25.55 s >
  1995. 25.55 s >
  1996. 25.55 s > Location:
  1997. 25.55 s > tests/tests/test_python_api.rs:156:20
  1998. 25.55 s >
  1999. 25.55 s > ------------
  2000. 25.55 s > Summary [ 0.709s] 5 tests run: 2 passed, 3 failed, 0 skipped
  2001. 25.55 s > FAIL [ 0.601s] (3/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  2002. 25.55 s > stdout ---
  2003. 25.55 s >
  2004. 25.55 s > running 1 test
  2005. 25.55 s > test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  2006. 25.55 s >
  2007. 25.55 s > failures:
  2008. 25.55 s >
  2009. 25.55 s > failures:
  2010. 25.55 s > python_evaluate_sample_honors_generate_events_and_observable_snapshots
  2011. 25.55 s >
  2012. 25.55 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  2013. 25.55 s >
  2014. 25.55 s > stderr ---
  2015. 25.55 s > Error: Python API test subprocess failed.
  2016. 25.55 s > stdout:
  2017. 25.55 s >
  2018. 25.55 s > stderr:
  2019. 25.55 s > [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  2020. 25.55 s > [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  2021. 25.55 s > [2026-09-14 01:10:46.260] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2022. 25.55 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2023. 25.55 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2024. 25.55 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  2025. 25.55 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2026. 25.55 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  2027. 25.55 s > [2026-09-14 01:10:46.261] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  2028. 25.55 s > [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2029. 25.55 s > [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  2030. 25.55 s > [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2031. 25.55 s > [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2032. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2033. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2034. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2035. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2036. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2037. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2038. 25.55 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2039. 25.55 s > [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2040. 25.55 s > [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  2041. 25.55 s > [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2042. 25.55 s > [2026-09-14 01:10:46.366] @commands::generate INFO : Generated cross-section 2 graphs.
  2043. 25.55 s > [2026-09-14 01:10:46.366] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2044. 25.55 s > [2026-09-14 01:10:46.367] @gammaloop_api::se... INFO : Running command generate
  2045. 25.55 s > [2026-09-14 01:10:46.670] @commands::generate INFO :
  2046. 25.55 s > Integrand generation summary
  2047. 25.55 s > peak RAM 96.16 MiB | cores 1
  2048. 25.55 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2049. 25.55 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2050. 25.55 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2051. 25.55 s > │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  2052. 25.55 s > │ default │ GL2 │ 5 │ 56ms (31%) │ 58ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  2053. 25.55 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2054. 25.55 s > │ Total │ │ 8 │ 96ms (36%) │ 79ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  2055. 25.55 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2056. 25.55 s > [2026-09-14 01:10:46.670] @gammaloop_api::se... INFO : Running command set process string '
  2057. 25.55 s > [quantities.leading_jet_pt]
  2058. 25.55 s > type = "jet"
  2059. 25.55 s > quantity = "PT"
  2060. 25.55 s > dR = 0.4
  2061. 25.55 s > [...]
  2062. 25.55 s > [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  2063. 25.55 s > The application panicked (crashed).
  2064. 25.55 s > Message: index out of bounds: the len is 0 but the index is 0
  2065. 25.55 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2066. 25.55 s >
  2067. 25.55 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2068. 25.55 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2069. 25.55 s > at <unknown source file>:<unknown line>
  2070. 25.55 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2071. 25.55 s > at <unknown source file>:<unknown line>
  2072. 25.55 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2073. 25.55 s > at <unknown source file>:<unknown line>
  2074. 25.55 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2075. 25.55 s > at <unknown source file>:<unknown line>
  2076. 25.55 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2077. 25.55 s > at <unknown source file>:<unknown line>
  2078. 25.55 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2079. 25.55 s > at <unknown source file>:<unknown line>
  2080. 25.55 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2081. 25.55 s > at <unknown source file>:<unknown line>
  2082. 25.55 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2083. 25.55 s > at <unknown source file>:<unknown line>
  2084. 25.55 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  2085. 25.55 s > at <unknown source file>:<unknown line>
  2086. 25.55 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  2087. 25.55 s > at <unknown source file>:<unknown line>
  2088. 25.55 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2089. 25.55 s > at <unknown source file>:<unknown line>
  2090. 25.55 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2091. 25.55 s > at <unknown source file>:<unknown line>
  2092. 25.55 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2093. 25.55 s > at <unknown source file>:<unknown line>
  2094. 25.55 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2095. 25.55 s > at <unknown source file>:<unknown line>
  2096. 25.55 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2097. 25.55 s > at <unknown source file>:<unknown line>
  2098. 25.55 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2099. 25.55 s > at <unknown source file>:<unknown line>
  2100. 25.55 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2101. 25.55 s > at <unknown source file>:<unknown line>
  2102. 25.55 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2103. 25.55 s > at <unknown source file>:<unknown line>
  2104. 25.55 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2105. 25.55 s > at <unknown source file>:<unknown line>
  2106. 25.55 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2107. 25.55 s > at <unknown source file>:<unknown line>
  2108. 25.55 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  2109. 25.55 s > at <unknown source file>:<unknown line>
  2110. 25.55 s > 22: PyEval_EvalCode.localalias<unknown>
  2111. 25.55 s > at <unknown source file>:<unknown line>
  2112. 25.55 s > 23: run_eval_code_obj<unknown>
  2113. 25.55 s > at <unknown source file>:<unknown line>
  2114. 25.55 s > 24: run_mod<unknown>
  2115. 25.55 s > at <unknown source file>:<unknown line>
  2116. 25.55 s > 25: Py_RunMain.localalias<unknown>
  2117. 25.55 s > at <unknown source file>:<unknown line>
  2118. 25.55 s > 26: __libc_start_call_main<unknown>
  2119. 25.55 s > at <unknown source file>:<unknown line>
  2120. 25.55 s > 27: __libc_start_main_alias_2<unknown>
  2121. 25.55 s > at <unknown source file>:<unknown line>
  2122. 25.55 s > 28: _start<unknown>
  2123. 25.55 s > at <unknown source file>:<unknown line>
  2124. 25.55 s >
  2125. 25.55 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2126. 25.55 s > Run with RUST_BACKTRACE=full to include source snippets.
  2127. 25.55 s > Traceback (most recent call last):
  2128. 25.55 s > File "<string>", line 78, in <module>
  2129. 25.55 s > without_events = summarize_result(api.evaluate_sample(point))
  2130. 25.55 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  2131. 25.55 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2132. 25.55 s >
  2133. 25.55 s >
  2134. 25.55 s > Location:
  2135. 25.55 s > tests/tests/test_python_api.rs:156:20
  2136. 25.55 s >
  2137. 25.56 s > FAIL [ 0.603s] (4/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  2138. 25.56 s > stdout ---
  2139. 25.56 s >
  2140. 25.56 s > running 1 test
  2141. 25.56 s > test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  2142. 25.56 s >
  2143. 25.56 s > failures:
  2144. 25.56 s >
  2145. 25.56 s > failures:
  2146. 25.56 s > python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  2147. 25.56 s >
  2148. 25.56 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  2149. 25.56 s >
  2150. 25.56 s > stderr ---
  2151. 25.56 s > Error: Python API test subprocess failed.
  2152. 25.56 s > stdout:
  2153. 25.56 s >
  2154. 25.56 s > stderr:
  2155. 25.56 s > [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  2156. 25.56 s > [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  2157. 25.56 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2158. 25.56 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2159. 25.56 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2160. 25.56 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  2161. 25.56 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2162. 25.56 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  2163. 25.56 s > [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  2164. 25.56 s > [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2165. 25.56 s > [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  2166. 25.56 s > [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2167. 25.56 s > [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2168. 25.56 s > [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2169. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2170. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2171. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2172. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2173. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2174. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2175. 25.56 s > [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2176. 25.56 s > [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  2177. 25.56 s > [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2178. 25.56 s > [2026-09-14 01:10:46.367] @commands::generate INFO : Generated cross-section 2 graphs.
  2179. 25.56 s > [2026-09-14 01:10:46.367] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2180. 25.56 s > [2026-09-14 01:10:46.368] @gammaloop_api::se... INFO : Running command generate
  2181. 25.56 s > [2026-09-14 01:10:46.670] @commands::generate INFO :
  2182. 25.56 s > Integrand generation summary
  2183. 25.56 s > peak RAM 97.18 MiB | cores 1
  2184. 25.56 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2185. 25.56 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2186. 25.56 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2187. 25.56 s > │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (24%) │ 23ms (27%) │ 0ms (0.00%) │
  2188. 25.56 s > │ default │ GL2 │ 5 │ 58ms (32%) │ 57ms (31%) │ 68ms (37%) │ 0ms (0.00%) │
  2189. 25.56 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2190. 25.56 s > │ Total │ │ 8 │ 98ms (37%) │ 78ms (29%) │ 91ms (34%) │ 0ms (0.00%) │
  2191. 25.56 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2192. 25.56 s > [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  2193. 25.56 s > The application panicked (crashed).
  2194. 25.56 s > Message: index out of bounds: the len is 0 but the index is 0
  2195. 25.56 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2196. 25.56 s >
  2197. 25.56 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2198. 25.56 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2199. 25.56 s > at <unknown source file>:<unknown line>
  2200. 25.56 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2201. 25.56 s > at <unknown source file>:<unknown line>
  2202. 25.56 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2203. 25.56 s > at <unknown source file>:<unknown line>
  2204. 25.56 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2205. 25.56 s > at <unknown source file>:<unknown line>
  2206. 25.56 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2207. 25.56 s > at <unknown source file>:<unknown line>
  2208. 25.56 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2209. 25.56 s > at <unknown source file>:<unknown line>
  2210. 25.56 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2211. 25.56 s > at <unknown source file>:<unknown line>
  2212. 25.56 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2213. 25.56 s > at <unknown source file>:<unknown line>
  2214. 25.56 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  2215. 25.56 s > at <unknown source file>:<unknown line>
  2216. 25.56 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  2217. 25.56 s > at <unknown source file>:<unknown line>
  2218. 25.56 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2219. 25.56 s > at <unknown source file>:<unknown line>
  2220. 25.56 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2221. 25.56 s > at <unknown source file>:<unknown line>
  2222. 25.56 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2223. 25.56 s > at <unknown source file>:<unknown line>
  2224. 25.56 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2225. 25.56 s > at <unknown source file>:<unknown line>
  2226. 25.56 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2227. 25.56 s > at <unknown source file>:<unknown line>
  2228. 25.56 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2229. 25.56 s > at <unknown source file>:<unknown line>
  2230. 25.56 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2231. 25.56 s > at <unknown source file>:<unknown line>
  2232. 25.56 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2233. 25.56 s > at <unknown source file>:<unknown line>
  2234. 25.56 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2235. 25.56 s > at <unknown source file>:<unknown line>
  2236. 25.56 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2237. 25.56 s > at <unknown source file>:<unknown line>
  2238. 25.56 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  2239. 25.56 s > at <unknown source file>:<unknown line>
  2240. 25.56 s > 22: PyEval_EvalCode.localalias<unknown>
  2241. 25.56 s > at <unknown source file>:<unknown line>
  2242. 25.56 s > 23: run_eval_code_obj<unknown>
  2243. 25.56 s > at <unknown source file>:<unknown line>
  2244. 25.56 s > 24: run_mod<unknown>
  2245. 25.56 s > at <unknown source file>:<unknown line>
  2246. 25.56 s > 25: Py_RunMain.localalias<unknown>
  2247. 25.56 s > at <unknown source file>:<unknown line>
  2248. 25.56 s > 26: __libc_start_call_main<unknown>
  2249. 25.56 s > at <unknown source file>:<unknown line>
  2250. 25.56 s > 27: __libc_start_main_alias_2<unknown>
  2251. 25.56 s > at <unknown source file>:<unknown line>
  2252. 25.56 s > 28: _start<unknown>
  2253. 25.56 s > at <unknown source file>:<unknown line>
  2254. 25.56 s >
  2255. 25.56 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2256. 25.56 s > Run with RUST_BACKTRACE=full to include source snippets.
  2257. 25.56 s > Traceback (most recent call last):
  2258. 25.56 s > File "<string>", line 78, in <module>
  2259. 25.56 s > result = api.evaluate_sample(point)
  2260. 25.56 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2261. 25.56 s >
  2262. 25.56 s >
  2263. 25.56 s > Location:
  2264. 25.56 s > tests/tests/test_python_api.rs:156:20
  2265. 25.56 s >
  2266. 25.56 s > FAIL [ 0.708s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  2267. 25.56 s > stdout ---
  2268. 25.56 s >
  2269. 25.56 s > running 1 test
  2270. 25.56 s > test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  2271. 25.56 s >
  2272. 25.56 s > failures:
  2273. 25.56 s >
  2274. 25.56 s > failures:
  2275. 25.56 s > python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  2276. 25.56 s >
  2277. 25.56 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.70s
  2278. 25.56 s >
  2279. 25.56 s > stderr ---
  2280. 25.56 s > Error: Python API test subprocess failed.
  2281. 25.56 s > stdout:
  2282. 25.56 s >
  2283. 25.56 s > stderr:
  2284. 25.56 s > [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  2285. 25.56 s > [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  2286. 25.56 s > [2026-09-14 01:10:46.260] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2287. 25.56 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2288. 25.56 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2289. 25.56 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  2290. 25.56 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2291. 25.56 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  2292. 25.56 s > [2026-09-14 01:10:46.261] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  2293. 25.56 s > [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2294. 25.56 s > [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  2295. 25.56 s > [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2296. 25.56 s > [2026-09-14 01:10:46.267] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2297. 25.56 s > [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2298. 25.56 s > [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2299. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2300. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2301. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2302. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2303. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2304. 25.56 s > [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2305. 25.56 s > [2026-09-14 01:10:46.365] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  2306. 25.56 s > [2026-09-14 01:10:46.365] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2307. 25.56 s > [2026-09-14 01:10:46.366] @commands::generate INFO : Generated cross-section 2 graphs.
  2308. 25.56 s > [2026-09-14 01:10:46.366] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2309. 25.56 s > [2026-09-14 01:10:46.367] @gammaloop_api::se... INFO : Running command generate
  2310. 25.56 s > [2026-09-14 01:10:46.669] @commands::generate INFO :
  2311. 25.56 s > Integrand generation summary
  2312. 25.56 s > peak RAM 97.04 MiB | cores 1
  2313. 25.56 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2314. 25.56 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2315. 25.56 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2316. 25.56 s > │ default │ GL0 │ 3 │ 37ms (46%) │ 20ms (25%) │ 23ms (29%) │ 0ms (0.00%) │
  2317. 25.56 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 58ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  2318. 25.56 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2319. 25.56 s > │ Total │ │ 8 │ 94ms (36%) │ 78ms (30%) │ 92ms (35%) │ 0ms (0.00%) │
  2320. 25.56 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2321. 25.56 s > [2026-09-14 01:10:46.670] @gammaloop_api::se... INFO : Running command set process string '
  2322. 25.56 s > [quantities.leading_jet_pt]
  2323. 25.56 s > type = "jet"
  2324. 25.56 s > quantity = "PT"
  2325. 25.56 s > dR = 0.4
  2326. 25.56 s > [...]
  2327. 25.56 s > [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  2328. 25.56 s > The application panicked (crashed).
  2329. 25.56 s > Message: index out of bounds: the len is 0 but the index is 0
  2330. 25.56 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2331. 25.56 s >
  2332. 25.56 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2333. 25.56 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2334. 25.56 s > at <unknown source file>:<unknown line>
  2335. 25.56 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2336. 25.56 s > at <unknown source file>:<unknown line>
  2337. 25.56 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2338. 25.56 s > at <unknown source file>:<unknown line>
  2339. 25.56 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2340. 25.56 s > at <unknown source file>:<unknown line>
  2341. 25.56 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2342. 25.56 s > at <unknown source file>:<unknown line>
  2343. 25.56 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2344. 25.56 s > at <unknown source file>:<unknown line>
  2345. 25.56 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2346. 25.56 s > at <unknown source file>:<unknown line>
  2347. 25.56 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2348. 25.56 s > at <unknown source file>:<unknown line>
  2349. 25.56 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  2350. 25.56 s > at <unknown source file>:<unknown line>
  2351. 25.56 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  2352. 25.56 s > at <unknown source file>:<unknown line>
  2353. 25.56 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2354. 25.56 s > at <unknown source file>:<unknown line>
  2355. 25.56 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2356. 25.56 s > at <unknown source file>:<unknown line>
  2357. 25.56 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2358. 25.56 s > at <unknown source file>:<unknown line>
  2359. 25.56 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2360. 25.56 s > at <unknown source file>:<unknown line>
  2361. 25.56 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2362. 25.56 s > at <unknown source file>:<unknown line>
  2363. 25.56 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  2364. 25.56 s > at <unknown source file>:<unknown line>
  2365. 25.56 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  2366. 25.56 s > at <unknown source file>:<unknown line>
  2367. 25.56 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2368. 25.56 s > at <unknown source file>:<unknown line>
  2369. 25.56 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2370. 25.56 s > at <unknown source file>:<unknown line>
  2371. 25.56 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2372. 25.56 s > at <unknown source file>:<unknown line>
  2373. 25.56 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  2374. 25.56 s > at <unknown source file>:<unknown line>
  2375. 25.56 s > 22: PyEval_EvalCode.localalias<unknown>
  2376. 25.56 s > at <unknown source file>:<unknown line>
  2377. 25.56 s > 23: run_eval_code_obj<unknown>
  2378. 25.56 s > at <unknown source file>:<unknown line>
  2379. 25.56 s > 24: run_mod<unknown>
  2380. 25.56 s > at <unknown source file>:<unknown line>
  2381. 25.56 s > 25: Py_RunMain.localalias<unknown>
  2382. 25.56 s > at <unknown source file>:<unknown line>
  2383. 25.56 s > 26: __libc_start_call_main<unknown>
  2384. 25.56 s > at <unknown source file>:<unknown line>
  2385. 25.56 s > 27: __libc_start_main_alias_2<unknown>
  2386. 25.56 s > at <unknown source file>:<unknown line>
  2387. 25.56 s > 28: _start<unknown>
  2388. 25.56 s > at <unknown source file>:<unknown line>
  2389. 25.56 s >
  2390. 25.56 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2391. 25.56 s > Run with RUST_BACKTRACE=full to include source snippets.
  2392. 25.56 s > Traceback (most recent call last):
  2393. 25.56 s > File "<string>", line 85, in <module>
  2394. 25.56 s > batch = summarize_batch_result(api.evaluate_samples(points))
  2395. 25.56 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  2396. 25.56 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2397. 25.56 s >
  2398. 25.56 s >
  2399. 25.56 s > Location:
  2400. 25.56 s > tests/tests/test_python_api.rs:156:20
  2401. 25.56 s >
  2402. 25.56 s > error: test run failed
  2403. 25.56 s >
  2404. 25.56 s > ========== nextest test summary ==========
  2405. 25.56 s > report: target/nextest/ci_gammaloop/junit.xml
  2406. 25.56 s > tests: 5, failures: 3, errors: 0
  2407. 25.56 s >
  2408. 25.56 s > 1. gammaloop-integration-tests::test_python_api::python_evaluate_sample_honors_generate_events_and_observable_snapshots
  2409. 25.56 s > failure: test failure with exit code 101
  2410. 25.56 s > Error: Python API test subprocess failed.
  2411. 25.56 s > stdout:
  2412. 25.56 s >
  2413. 25.56 s > stderr:
  2414. 25.56 s > [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  2415. 25.56 s > [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  2416. 25.56 s > [2026-09-14 01:10:46.260] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2417. 25.56 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2418. 25.56 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2419. 25.56 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  2420. 25.56 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2421. 25.56 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  2422. 25.56 s > [2026-09-14 01:10:46.261] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  2423. 25.56 s > [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2424. 25.56 s > [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  2425. 25.56 s > [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2426. 25.56 s > [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2427. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2428. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2429. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2430. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2431. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2432. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2433. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2434. 25.56 s > [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2435. 25.56 s > [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  2436. 25.56 s > [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2437. 25.56 s > [2026-09-14 01:10:46.366] @commands::generate INFO : Generated cross-section 2 graphs.
  2438. 25.56 s > [2026-09-14 01:10:46.366] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2439. 25.56 s > [2026-09-14 01:10:46.367] @gammaloop_api::se... INFO : Running command generate
  2440. 25.56 s > [2026-09-14 01:10:46.670] @commands::generate INFO :
  2441. 25.56 s > Integrand generation summary
  2442. 25.56 s > peak RAM 96.16 MiB | cores 1
  2443. 25.56 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2444. 25.56 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2445. 25.56 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2446. 25.56 s > │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  2447. 25.56 s > │ default │ GL2 │ 5 │ 56ms (31%) │ 58ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  2448. 25.56 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2449. 25.56 s > │ Total │ │ 8 │ 96ms (36%) │ 79ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  2450. 25.56 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2451. 25.56 s > [2026-09-14 01:10:46.670] @gammaloop_api::se... INFO : Running command set process string '
  2452. 25.56 s > [quantities.leading_jet_pt]
  2453. 25.56 s > type = "jet"
  2454. 25.56 s > quantity = "PT"
  2455. 25.56 s > dR = 0.4
  2456. 25.56 s > [...]
  2457. 25.56 s > [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  2458. 25.56 s > The application panicked (crashed).
  2459. 25.56 s > Message: index out of bounds: the len is 0 but the index is 0
  2460. 25.56 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2461. 25.56 s >
  2462. 25.56 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2463. 25.56 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2464. 25.56 s > at <unknown source file>:<unknown line>
  2465. 25.56 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2466. 25.56 s > at <unknown source file>:<unknown line>
  2467. 25.56 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2468. 25.56 s > at <unknown source file>:<unknown line>
  2469. 25.56 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2470. 25.56 s > at <unknown source file>:<unknown line>
  2471. 25.56 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2472. 25.56 s > at <unknown source file>:<unknown line>
  2473. 25.56 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2474. 25.56 s > at <unknown source file>:<unknown line>
  2475. 25.56 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2476. 25.56 s > at <unknown source file>:<unknown line>
  2477. 25.56 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2478. 25.56 s > at <unknown source file>:<unknown line>
  2479. 25.56 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  2480. 25.56 s > at <unknown source file>:<unknown line>
  2481. 25.56 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  2482. 25.56 s > at <unknown source file>:<unknown line>
  2483. 25.56 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2484. 25.56 s > at <unknown source file>:<unknown line>
  2485. 25.56 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2486. 25.56 s > at <unknown source file>:<unknown line>
  2487. 25.56 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2488. 25.56 s > at <unknown source file>:<unknown line>
  2489. 25.56 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2490. 25.56 s > at <unknown source file>:<unknown line>
  2491. 25.56 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2492. 25.56 s > at <unknown source file>:<unknown line>
  2493. 25.56 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2494. 25.56 s > at <unknown source file>:<unknown line>
  2495. 25.56 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2496. 25.56 s > at <unknown source file>:<unknown line>
  2497. 25.56 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2498. 25.56 s > at <unknown source file>:<unknown line>
  2499. 25.56 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2500. 25.56 s > at <unknown source file>:<unknown line>
  2501. 25.56 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2502. 25.56 s > at <unknown source file>:<unknown line>
  2503. 25.56 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  2504. 25.56 s > at <unknown source file>:<unknown line>
  2505. 25.56 s > 22: PyEval_EvalCode.localalias<unknown>
  2506. 25.56 s > at <unknown source file>:<unknown line>
  2507. 25.56 s > 23: run_eval_code_obj<unknown>
  2508. 25.56 s > at <unknown source file>:<unknown line>
  2509. 25.56 s > 24: run_mod<unknown>
  2510. 25.56 s > at <unknown source file>:<unknown line>
  2511. 25.56 s > 25: Py_RunMain.localalias<unknown>
  2512. 25.56 s > at <unknown source file>:<unknown line>
  2513. 25.56 s > 26: __libc_start_call_main<unknown>
  2514. 25.56 s > at <unknown source file>:<unknown line>
  2515. 25.56 s > 27: __libc_start_main_alias_2<unknown>
  2516. 25.56 s > at <unknown source file>:<unknown line>
  2517. 25.56 s > 28: _start<unknown>
  2518. 25.56 s > at <unknown source file>:<unknown line>
  2519. 25.56 s >
  2520. 25.56 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2521. 25.56 s > Run with RUST_BACKTRACE=full to include source snippets.
  2522. 25.56 s > Traceback (most recent call last):
  2523. 25.56 s > File "<string>", line 78, in <module>
  2524. 25.56 s > without_events = summarize_result(api.evaluate_sample(point))
  2525. 25.56 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  2526. 25.56 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2527. 25.56 s >
  2528. 25.56 s >
  2529. 25.56 s > ... omitted 2 more lines; see full nextest output above
  2530. 25.56 s > system-out
  2531. 25.56 s > running 1 test
  2532. 25.56 s > test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  2533. 25.56 s >
  2534. 25.56 s > failures:
  2535. 25.56 s >
  2536. 25.56 s > failures:
  2537. 25.56 s > python_evaluate_sample_honors_generate_events_and_observable_snapshots
  2538. 25.56 s >
  2539. 25.56 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  2540. 25.56 s > system-err
  2541. 25.56 s > Error: Python API test subprocess failed.
  2542. 25.56 s > stdout:
  2543. 25.56 s >
  2544. 25.56 s > stderr:
  2545. 25.56 s > [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  2546. 25.56 s > [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  2547. 25.56 s > [2026-09-14 01:10:46.260] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2548. 25.56 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2549. 25.56 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2550. 25.56 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  2551. 25.56 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2552. 25.56 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  2553. 25.56 s > [2026-09-14 01:10:46.261] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  2554. 25.56 s > [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2555. 25.56 s > [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  2556. 25.56 s > [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2557. 25.56 s > [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2558. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2559. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2560. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2561. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2562. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2563. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2564. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2565. 25.56 s > [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2566. 25.56 s > [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  2567. 25.56 s > [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2568. 25.56 s > [2026-09-14 01:10:46.366] @commands::generate INFO : Generated cross-section 2 graphs.
  2569. 25.56 s > [2026-09-14 01:10:46.366] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2570. 25.56 s > [2026-09-14 01:10:46.367] @gammaloop_api::se... INFO : Running command generate
  2571. 25.56 s > [2026-09-14 01:10:46.670] @commands::generate INFO :
  2572. 25.56 s > Integrand generation summary
  2573. 25.56 s > peak RAM 96.16 MiB | cores 1
  2574. 25.56 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2575. 25.56 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2576. 25.56 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2577. 25.56 s > │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  2578. 25.56 s > │ default │ GL2 │ 5 │ 56ms (31%) │ 58ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  2579. 25.56 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2580. 25.56 s > │ Total │ │ 8 │ 96ms (36%) │ 79ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  2581. 25.56 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2582. 25.56 s > [2026-09-14 01:10:46.670] @gammaloop_api::se... INFO : Running command set process string '
  2583. 25.56 s > [quantities.leading_jet_pt]
  2584. 25.56 s > type = "jet"
  2585. 25.56 s > quantity = "PT"
  2586. 25.56 s > dR = 0.4
  2587. 25.56 s > [...]
  2588. 25.56 s > [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  2589. 25.56 s > The application panicked (crashed).
  2590. 25.56 s > Message: index out of bounds: the len is 0 but the index is 0
  2591. 25.56 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2592. 25.56 s >
  2593. 25.56 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2594. 25.56 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2595. 25.56 s > at <unknown source file>:<unknown line>
  2596. 25.56 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2597. 25.56 s > at <unknown source file>:<unknown line>
  2598. 25.56 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2599. 25.56 s > at <unknown source file>:<unknown line>
  2600. 25.56 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2601. 25.56 s > at <unknown source file>:<unknown line>
  2602. 25.56 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2603. 25.56 s > at <unknown source file>:<unknown line>
  2604. 25.56 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2605. 25.56 s > at <unknown source file>:<unknown line>
  2606. 25.56 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2607. 25.56 s > at <unknown source file>:<unknown line>
  2608. 25.56 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2609. 25.56 s > at <unknown source file>:<unknown line>
  2610. 25.56 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  2611. 25.56 s > at <unknown source file>:<unknown line>
  2612. 25.56 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  2613. 25.56 s > at <unknown source file>:<unknown line>
  2614. 25.56 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2615. 25.56 s > at <unknown source file>:<unknown line>
  2616. 25.56 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2617. 25.56 s > at <unknown source file>:<unknown line>
  2618. 25.56 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2619. 25.56 s > at <unknown source file>:<unknown line>
  2620. 25.56 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2621. 25.56 s > at <unknown source file>:<unknown line>
  2622. 25.56 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2623. 25.56 s > at <unknown source file>:<unknown line>
  2624. 25.56 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2625. 25.56 s > at <unknown source file>:<unknown line>
  2626. 25.56 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2627. 25.56 s > at <unknown source file>:<unknown line>
  2628. 25.56 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2629. 25.56 s > at <unknown source file>:<unknown line>
  2630. 25.56 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2631. 25.56 s > at <unknown source file>:<unknown line>
  2632. 25.56 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2633. 25.56 s > at <unknown source file>:<unknown line>
  2634. 25.56 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  2635. 25.56 s > at <unknown source file>:<unknown line>
  2636. 25.56 s > 22: PyEval_EvalCode.localalias<unknown>
  2637. 25.56 s > at <unknown source file>:<unknown line>
  2638. 25.56 s > 23: run_eval_code_obj<unknown>
  2639. 25.56 s > at <unknown source file>:<unknown line>
  2640. 25.56 s > 24: run_mod<unknown>
  2641. 25.56 s > at <unknown source file>:<unknown line>
  2642. 25.56 s > 25: Py_RunMain.localalias<unknown>
  2643. 25.56 s > at <unknown source file>:<unknown line>
  2644. 25.56 s > 26: __libc_start_call_main<unknown>
  2645. 25.56 s > at <unknown source file>:<unknown line>
  2646. 25.56 s > 27: __libc_start_main_alias_2<unknown>
  2647. 25.56 s > at <unknown source file>:<unknown line>
  2648. 25.56 s > 28: _start<unknown>
  2649. 25.56 s > at <unknown source file>:<unknown line>
  2650. 25.56 s >
  2651. 25.56 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2652. 25.56 s > Run with RUST_BACKTRACE=full to include source snippets.
  2653. 25.56 s > Traceback (most recent call last):
  2654. 25.56 s > File "<string>", line 78, in <module>
  2655. 25.56 s > without_events = summarize_result(api.evaluate_sample(point))
  2656. 25.56 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  2657. 25.56 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2658. 25.56 s >
  2659. 25.56 s >
  2660. 25.56 s > ... omitted 2 more lines; see full nextest output above
  2661. 25.56 s >
  2662. 25.56 s > 2. gammaloop-integration-tests::test_python_api::python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  2663. 25.56 s > failure: test failure with exit code 101
  2664. 25.56 s > Error: Python API test subprocess failed.
  2665. 25.56 s > stdout:
  2666. 25.56 s >
  2667. 25.56 s > stderr:
  2668. 25.56 s > [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  2669. 25.56 s > [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  2670. 25.56 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2671. 25.56 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2672. 25.56 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2673. 25.56 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  2674. 25.56 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2675. 25.56 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  2676. 25.56 s > [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  2677. 25.56 s > [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2678. 25.56 s > [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  2679. 25.56 s > [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2680. 25.56 s > [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2681. 25.56 s > [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2682. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2683. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2684. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2685. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2686. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2687. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2688. 25.56 s > [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2689. 25.56 s > [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  2690. 25.56 s > [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2691. 25.56 s > [2026-09-14 01:10:46.367] @commands::generate INFO : Generated cross-section 2 graphs.
  2692. 25.56 s > [2026-09-14 01:10:46.367] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2693. 25.56 s > [2026-09-14 01:10:46.368] @gammaloop_api::se... INFO : Running command generate
  2694. 25.56 s > [2026-09-14 01:10:46.670] @commands::generate INFO :
  2695. 25.56 s > Integrand generation summary
  2696. 25.56 s > peak RAM 97.18 MiB | cores 1
  2697. 25.56 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2698. 25.56 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2699. 25.56 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2700. 25.56 s > │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (24%) │ 23ms (27%) │ 0ms (0.00%) │
  2701. 25.56 s > │ default │ GL2 │ 5 │ 58ms (32%) │ 57ms (31%) │ 68ms (37%) │ 0ms (0.00%) │
  2702. 25.56 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2703. 25.56 s > │ Total │ │ 8 │ 98ms (37%) │ 78ms (29%) │ 91ms (34%) │ 0ms (0.00%) │
  2704. 25.56 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2705. 25.56 s > [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  2706. 25.56 s > The application panicked (crashed).
  2707. 25.56 s > Message: index out of bounds: the len is 0 but the index is 0
  2708. 25.56 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2709. 25.56 s >
  2710. 25.56 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2711. 25.56 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2712. 25.56 s > at <unknown source file>:<unknown line>
  2713. 25.56 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2714. 25.56 s > at <unknown source file>:<unknown line>
  2715. 25.56 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2716. 25.56 s > at <unknown source file>:<unknown line>
  2717. 25.56 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2718. 25.56 s > at <unknown source file>:<unknown line>
  2719. 25.56 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2720. 25.56 s > at <unknown source file>:<unknown line>
  2721. 25.56 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2722. 25.56 s > at <unknown source file>:<unknown line>
  2723. 25.56 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2724. 25.56 s > at <unknown source file>:<unknown line>
  2725. 25.56 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2726. 25.56 s > at <unknown source file>:<unknown line>
  2727. 25.56 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  2728. 25.56 s > at <unknown source file>:<unknown line>
  2729. 25.56 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  2730. 25.56 s > at <unknown source file>:<unknown line>
  2731. 25.56 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2732. 25.56 s > at <unknown source file>:<unknown line>
  2733. 25.56 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2734. 25.56 s > at <unknown source file>:<unknown line>
  2735. 25.56 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2736. 25.56 s > at <unknown source file>:<unknown line>
  2737. 25.56 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2738. 25.56 s > at <unknown source file>:<unknown line>
  2739. 25.56 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2740. 25.56 s > at <unknown source file>:<unknown line>
  2741. 25.56 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2742. 25.56 s > at <unknown source file>:<unknown line>
  2743. 25.56 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2744. 25.56 s > at <unknown source file>:<unknown line>
  2745. 25.56 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2746. 25.56 s > at <unknown source file>:<unknown line>
  2747. 25.56 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2748. 25.56 s > at <unknown source file>:<unknown line>
  2749. 25.56 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2750. 25.56 s > at <unknown source file>:<unknown line>
  2751. 25.56 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  2752. 25.56 s > at <unknown source file>:<unknown line>
  2753. 25.56 s > 22: PyEval_EvalCode.localalias<unknown>
  2754. 25.56 s > at <unknown source file>:<unknown line>
  2755. 25.56 s > 23: run_eval_code_obj<unknown>
  2756. 25.56 s > at <unknown source file>:<unknown line>
  2757. 25.56 s > 24: run_mod<unknown>
  2758. 25.56 s > at <unknown source file>:<unknown line>
  2759. 25.56 s > 25: Py_RunMain.localalias<unknown>
  2760. 25.56 s > at <unknown source file>:<unknown line>
  2761. 25.56 s > 26: __libc_start_call_main<unknown>
  2762. 25.56 s > at <unknown source file>:<unknown line>
  2763. 25.56 s > 27: __libc_start_main_alias_2<unknown>
  2764. 25.56 s > at <unknown source file>:<unknown line>
  2765. 25.56 s > 28: _start<unknown>
  2766. 25.56 s > at <unknown source file>:<unknown line>
  2767. 25.56 s >
  2768. 25.56 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2769. 25.56 s > Run with RUST_BACKTRACE=full to include source snippets.
  2770. 25.56 s > Traceback (most recent call last):
  2771. 25.56 s > File "<string>", line 78, in <module>
  2772. 25.56 s > result = api.evaluate_sample(point)
  2773. 25.56 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2774. 25.56 s >
  2775. 25.56 s >
  2776. 25.56 s > Location:
  2777. 25.56 s > tests/tests/test_python_api.rs:156:20
  2778. 25.56 s > system-out
  2779. 25.56 s > running 1 test
  2780. 25.56 s > test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  2781. 25.56 s >
  2782. 25.56 s > failures:
  2783. 25.56 s >
  2784. 25.56 s > failures:
  2785. 25.56 s > python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  2786. 25.56 s >
  2787. 25.56 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  2788. 25.56 s > system-err
  2789. 25.56 s > Error: Python API test subprocess failed.
  2790. 25.56 s > stdout:
  2791. 25.56 s >
  2792. 25.56 s > stderr:
  2793. 25.56 s > [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  2794. 25.56 s > [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  2795. 25.56 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2796. 25.56 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2797. 25.56 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2798. 25.56 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  2799. 25.56 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2800. 25.56 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  2801. 25.56 s > [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  2802. 25.56 s > [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2803. 25.56 s > [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  2804. 25.56 s > [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2805. 25.56 s > [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2806. 25.56 s > [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2807. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2808. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2809. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2810. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2811. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2812. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2813. 25.56 s > [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2814. 25.56 s > [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  2815. 25.56 s > [2026-09-14 01:10:46.366] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2816. 25.56 s > [2026-09-14 01:10:46.367] @commands::generate INFO : Generated cross-section 2 graphs.
  2817. 25.56 s > [2026-09-14 01:10:46.367] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2818. 25.56 s > [2026-09-14 01:10:46.368] @gammaloop_api::se... INFO : Running command generate
  2819. 25.56 s > [2026-09-14 01:10:46.670] @commands::generate INFO :
  2820. 25.56 s > Integrand generation summary
  2821. 25.56 s > peak RAM 97.18 MiB | cores 1
  2822. 25.56 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2823. 25.56 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2824. 25.56 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2825. 25.56 s > │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (24%) │ 23ms (27%) │ 0ms (0.00%) │
  2826. 25.56 s > │ default │ GL2 │ 5 │ 58ms (32%) │ 57ms (31%) │ 68ms (37%) │ 0ms (0.00%) │
  2827. 25.56 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2828. 25.56 s > │ Total │ │ 8 │ 98ms (37%) │ 78ms (29%) │ 91ms (34%) │ 0ms (0.00%) │
  2829. 25.56 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2830. 25.56 s > [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  2831. 25.56 s > The application panicked (crashed).
  2832. 25.56 s > Message: index out of bounds: the len is 0 but the index is 0
  2833. 25.56 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2834. 25.56 s >
  2835. 25.56 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2836. 25.56 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2837. 25.56 s > at <unknown source file>:<unknown line>
  2838. 25.56 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2839. 25.56 s > at <unknown source file>:<unknown line>
  2840. 25.56 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2841. 25.56 s > at <unknown source file>:<unknown line>
  2842. 25.56 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2843. 25.56 s > at <unknown source file>:<unknown line>
  2844. 25.56 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2845. 25.56 s > at <unknown source file>:<unknown line>
  2846. 25.56 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2847. 25.56 s > at <unknown source file>:<unknown line>
  2848. 25.56 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2849. 25.56 s > at <unknown source file>:<unknown line>
  2850. 25.56 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2851. 25.56 s > at <unknown source file>:<unknown line>
  2852. 25.56 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  2853. 25.56 s > at <unknown source file>:<unknown line>
  2854. 25.56 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  2855. 25.56 s > at <unknown source file>:<unknown line>
  2856. 25.56 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2857. 25.56 s > at <unknown source file>:<unknown line>
  2858. 25.56 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2859. 25.56 s > at <unknown source file>:<unknown line>
  2860. 25.56 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2861. 25.56 s > at <unknown source file>:<unknown line>
  2862. 25.56 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2863. 25.56 s > at <unknown source file>:<unknown line>
  2864. 25.56 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2865. 25.56 s > at <unknown source file>:<unknown line>
  2866. 25.56 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2867. 25.56 s > at <unknown source file>:<unknown line>
  2868. 25.56 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2869. 25.56 s > at <unknown source file>:<unknown line>
  2870. 25.56 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2871. 25.56 s > at <unknown source file>:<unknown line>
  2872. 25.56 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2873. 25.56 s > at <unknown source file>:<unknown line>
  2874. 25.56 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2875. 25.56 s > at <unknown source file>:<unknown line>
  2876. 25.56 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  2877. 25.56 s > at <unknown source file>:<unknown line>
  2878. 25.56 s > 22: PyEval_EvalCode.localalias<unknown>
  2879. 25.56 s > at <unknown source file>:<unknown line>
  2880. 25.56 s > 23: run_eval_code_obj<unknown>
  2881. 25.56 s > at <unknown source file>:<unknown line>
  2882. 25.56 s > 24: run_mod<unknown>
  2883. 25.56 s > at <unknown source file>:<unknown line>
  2884. 25.56 s > 25: Py_RunMain.localalias<unknown>
  2885. 25.56 s > at <unknown source file>:<unknown line>
  2886. 25.56 s > 26: __libc_start_call_main<unknown>
  2887. 25.56 s > at <unknown source file>:<unknown line>
  2888. 25.56 s > 27: __libc_start_main_alias_2<unknown>
  2889. 25.56 s > at <unknown source file>:<unknown line>
  2890. 25.56 s > 28: _start<unknown>
  2891. 25.56 s > at <unknown source file>:<unknown line>
  2892. 25.56 s >
  2893. 25.56 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2894. 25.56 s > Run with RUST_BACKTRACE=full to include source snippets.
  2895. 25.56 s > Traceback (most recent call last):
  2896. 25.56 s > File "<string>", line 78, in <module>
  2897. 25.56 s > result = api.evaluate_sample(point)
  2898. 25.56 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2899. 25.56 s >
  2900. 25.56 s >
  2901. 25.56 s > Location:
  2902. 25.56 s > tests/tests/test_python_api.rs:156:20
  2903. 25.56 s >
  2904. 25.56 s > 3. gammaloop-integration-tests::test_python_api::python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  2905. 25.56 s > failure: test failure with exit code 101
  2906. 25.56 s > Error: Python API test subprocess failed.
  2907. 25.56 s > stdout:
  2908. 25.56 s >
  2909. 25.56 s > stderr:
  2910. 25.56 s > [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  2911. 25.56 s > [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  2912. 25.56 s > [2026-09-14 01:10:46.260] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2913. 25.56 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2914. 25.56 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2915. 25.56 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  2916. 25.56 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2917. 25.56 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  2918. 25.56 s > [2026-09-14 01:10:46.261] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  2919. 25.56 s > [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2920. 25.56 s > [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  2921. 25.56 s > [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2922. 25.56 s > [2026-09-14 01:10:46.267] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2923. 25.56 s > [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2924. 25.56 s > [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2925. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2926. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2927. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2928. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2929. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2930. 25.56 s > [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2931. 25.56 s > [2026-09-14 01:10:46.365] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  2932. 25.56 s > [2026-09-14 01:10:46.365] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2933. 25.56 s > [2026-09-14 01:10:46.366] @commands::generate INFO : Generated cross-section 2 graphs.
  2934. 25.56 s > [2026-09-14 01:10:46.366] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2935. 25.56 s > [2026-09-14 01:10:46.367] @gammaloop_api::se... INFO : Running command generate
  2936. 25.56 s > [2026-09-14 01:10:46.669] @commands::generate INFO :
  2937. 25.56 s > Integrand generation summary
  2938. 25.56 s > peak RAM 97.04 MiB | cores 1
  2939. 25.56 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2940. 25.56 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2941. 25.56 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2942. 25.56 s > │ default │ GL0 │ 3 │ 37ms (46%) │ 20ms (25%) │ 23ms (29%) │ 0ms (0.00%) │
  2943. 25.56 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 58ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  2944. 25.56 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2945. 25.56 s > │ Total │ │ 8 │ 94ms (36%) │ 78ms (30%) │ 92ms (35%) │ 0ms (0.00%) │
  2946. 25.56 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2947. 25.56 s > [2026-09-14 01:10:46.670] @gammaloop_api::se... INFO : Running command set process string '
  2948. 25.56 s > [quantities.leading_jet_pt]
  2949. 25.56 s > type = "jet"
  2950. 25.56 s > quantity = "PT"
  2951. 25.56 s > dR = 0.4
  2952. 25.56 s > [...]
  2953. 25.56 s > [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  2954. 25.56 s > The application panicked (crashed).
  2955. 25.56 s > Message: index out of bounds: the len is 0 but the index is 0
  2956. 25.56 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2957. 25.56 s >
  2958. 25.56 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2959. 25.56 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2960. 25.56 s > at <unknown source file>:<unknown line>
  2961. 25.56 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2962. 25.56 s > at <unknown source file>:<unknown line>
  2963. 25.56 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2964. 25.56 s > at <unknown source file>:<unknown line>
  2965. 25.56 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2966. 25.56 s > at <unknown source file>:<unknown line>
  2967. 25.56 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2968. 25.56 s > at <unknown source file>:<unknown line>
  2969. 25.56 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2970. 25.56 s > at <unknown source file>:<unknown line>
  2971. 25.56 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2972. 25.56 s > at <unknown source file>:<unknown line>
  2973. 25.56 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2974. 25.56 s > at <unknown source file>:<unknown line>
  2975. 25.56 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  2976. 25.56 s > at <unknown source file>:<unknown line>
  2977. 25.56 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  2978. 25.56 s > at <unknown source file>:<unknown line>
  2979. 25.56 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2980. 25.56 s > at <unknown source file>:<unknown line>
  2981. 25.56 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2982. 25.56 s > at <unknown source file>:<unknown line>
  2983. 25.56 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2984. 25.56 s > at <unknown source file>:<unknown line>
  2985. 25.56 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2986. 25.56 s > at <unknown source file>:<unknown line>
  2987. 25.56 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2988. 25.56 s > at <unknown source file>:<unknown line>
  2989. 25.56 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  2990. 25.56 s > at <unknown source file>:<unknown line>
  2991. 25.56 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  2992. 25.56 s > at <unknown source file>:<unknown line>
  2993. 25.56 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2994. 25.56 s > at <unknown source file>:<unknown line>
  2995. 25.56 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2996. 25.56 s > at <unknown source file>:<unknown line>
  2997. 25.56 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2998. 25.56 s > at <unknown source file>:<unknown line>
  2999. 25.56 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  3000. 25.56 s > at <unknown source file>:<unknown line>
  3001. 25.56 s > 22: PyEval_EvalCode.localalias<unknown>
  3002. 25.56 s > at <unknown source file>:<unknown line>
  3003. 25.56 s > 23: run_eval_code_obj<unknown>
  3004. 25.56 s > at <unknown source file>:<unknown line>
  3005. 25.56 s > 24: run_mod<unknown>
  3006. 25.56 s > at <unknown source file>:<unknown line>
  3007. 25.56 s > 25: Py_RunMain.localalias<unknown>
  3008. 25.56 s > at <unknown source file>:<unknown line>
  3009. 25.56 s > 26: __libc_start_call_main<unknown>
  3010. 25.56 s > at <unknown source file>:<unknown line>
  3011. 25.56 s > 27: __libc_start_main_alias_2<unknown>
  3012. 25.56 s > at <unknown source file>:<unknown line>
  3013. 25.56 s > 28: _start<unknown>
  3014. 25.56 s > at <unknown source file>:<unknown line>
  3015. 25.56 s >
  3016. 25.56 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  3017. 25.56 s > Run with RUST_BACKTRACE=full to include source snippets.
  3018. 25.56 s > Traceback (most recent call last):
  3019. 25.56 s > File "<string>", line 85, in <module>
  3020. 25.56 s > batch = summarize_batch_result(api.evaluate_samples(points))
  3021. 25.56 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  3022. 25.56 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  3023. 25.56 s >
  3024. 25.56 s >
  3025. 25.56 s > ... omitted 2 more lines; see full nextest output above
  3026. 25.56 s > system-out
  3027. 25.56 s > running 1 test
  3028. 25.56 s > test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  3029. 25.56 s >
  3030. 25.56 s > failures:
  3031. 25.56 s >
  3032. 25.56 s > failures:
  3033. 25.56 s > python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  3034. 25.56 s >
  3035. 25.56 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.70s
  3036. 25.56 s > system-err
  3037. 25.56 s > Error: Python API test subprocess failed.
  3038. 25.56 s > stdout:
  3039. 25.56 s >
  3040. 25.56 s > stderr:
  3041. 25.56 s > [2026-09-14 01:10:46.224] @gammaloop_api::se... INFO : Running command import model sm-default
  3042. 25.56 s > [2026-09-14 01:10:46.224] @import::model INFO : Loading built-in JSON model sm-default
  3043. 25.56 s > [2026-09-14 01:10:46.260] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  3044. 25.56 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  3045. 25.56 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  3046. 25.56 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  3047. 25.56 s > [2026-09-14 01:10:46.261] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  3048. 25.56 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  3049. 25.56 s > [2026-09-14 01:10:46.261] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  3050. 25.56 s > [2026-09-14 01:10:46.262] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  3051. 25.56 s > [2026-09-14 01:10:46.263] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  3052. 25.56 s > [2026-09-14 01:10:46.265] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  3053. 25.56 s > [2026-09-14 01:10:46.267] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  3054. 25.56 s > [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  3055. 25.56 s > [2026-09-14 01:10:46.268] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  3056. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  3057. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  3058. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  3059. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  3060. 25.56 s > [2026-09-14 01:10:46.269] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  3061. 25.56 s > [2026-09-14 01:10:46.270] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  3062. 25.56 s > [2026-09-14 01:10:46.365] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  3063. 25.56 s > [2026-09-14 01:10:46.365] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  3064. 25.56 s > [2026-09-14 01:10:46.366] @commands::generate INFO : Generated cross-section 2 graphs.
  3065. 25.56 s > [2026-09-14 01:10:46.366] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  3066. 25.56 s > [2026-09-14 01:10:46.367] @gammaloop_api::se... INFO : Running command generate
  3067. 25.56 s > [2026-09-14 01:10:46.669] @commands::generate INFO :
  3068. 25.56 s > Integrand generation summary
  3069. 25.56 s > peak RAM 97.04 MiB | cores 1
  3070. 25.56 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  3071. 25.56 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  3072. 25.56 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  3073. 25.56 s > │ default │ GL0 │ 3 │ 37ms (46%) │ 20ms (25%) │ 23ms (29%) │ 0ms (0.00%) │
  3074. 25.56 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 58ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  3075. 25.56 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  3076. 25.56 s > │ Total │ │ 8 │ 94ms (36%) │ 78ms (30%) │ 92ms (35%) │ 0ms (0.00%) │
  3077. 25.56 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  3078. 25.56 s > [2026-09-14 01:10:46.670] @gammaloop_api::se... INFO : Running command set process string '
  3079. 25.56 s > [quantities.leading_jet_pt]
  3080. 25.56 s > type = "jet"
  3081. 25.56 s > quantity = "PT"
  3082. 25.56 s > dR = 0.4
  3083. 25.56 s > [...]
  3084. 25.56 s > [2026-09-14 01:10:46.671] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  3085. 25.56 s > The application panicked (crashed).
  3086. 25.56 s > Message: index out of bounds: the len is 0 but the index is 0
  3087. 25.56 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  3088. 25.56 s >
  3089. 25.56 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  3090. 25.56 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  3091. 25.56 s > at <unknown source file>:<unknown line>
  3092. 25.56 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  3093. 25.56 s > at <unknown source file>:<unknown line>
  3094. 25.56 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  3095. 25.56 s > at <unknown source file>:<unknown line>
  3096. 25.56 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  3097. 25.56 s > at <unknown source file>:<unknown line>
  3098. 25.56 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  3099. 25.56 s > at <unknown source file>:<unknown line>
  3100. 25.56 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  3101. 25.56 s > at <unknown source file>:<unknown line>
  3102. 25.56 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  3103. 25.56 s > at <unknown source file>:<unknown line>
  3104. 25.56 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  3105. 25.56 s > at <unknown source file>:<unknown line>
  3106. 25.56 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>::{closure#0}>::{closure#0}><unknown>
  3107. 25.56 s > at <unknown source file>:<unknown line>
  3108. 25.56 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#3}>>>::from_iter<unknown>
  3109. 25.56 s > at <unknown source file>:<unknown line>
  3110. 25.56 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  3111. 25.56 s > at <unknown source file>:<unknown line>
  3112. 25.56 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  3113. 25.56 s > at <unknown source file>:<unknown line>
  3114. 25.56 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  3115. 25.56 s > at <unknown source file>:<unknown line>
  3116. 25.56 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  3117. 25.56 s > at <unknown source file>:<unknown line>
  3118. 25.56 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  3119. 25.56 s > at <unknown source file>:<unknown line>
  3120. 25.56 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  3121. 25.56 s > at <unknown source file>:<unknown line>
  3122. 25.56 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  3123. 25.56 s > at <unknown source file>:<unknown line>
  3124. 25.56 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  3125. 25.56 s > at <unknown source file>:<unknown line>
  3126. 25.56 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  3127. 25.56 s > at <unknown source file>:<unknown line>
  3128. 25.56 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  3129. 25.56 s > at <unknown source file>:<unknown line>
  3130. 25.56 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  3131. 25.56 s > at <unknown source file>:<unknown line>
  3132. 25.56 s > 22: PyEval_EvalCode.localalias<unknown>
  3133. 25.56 s > at <unknown source file>:<unknown line>
  3134. 25.56 s > 23: run_eval_code_obj<unknown>
  3135. 25.56 s > at <unknown source file>:<unknown line>
  3136. 25.56 s > 24: run_mod<unknown>
  3137. 25.56 s > at <unknown source file>:<unknown line>
  3138. 25.56 s > 25: Py_RunMain.localalias<unknown>
  3139. 25.56 s > at <unknown source file>:<unknown line>
  3140. 25.56 s > 26: __libc_start_call_main<unknown>
  3141. 25.56 s > at <unknown source file>:<unknown line>
  3142. 25.56 s > 27: __libc_start_main_alias_2<unknown>
  3143. 25.56 s > at <unknown source file>:<unknown line>
  3144. 25.56 s > 28: _start<unknown>
  3145. 25.56 s > at <unknown source file>:<unknown line>
  3146. 25.56 s >
  3147. 25.56 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  3148. 25.56 s > Run with RUST_BACKTRACE=full to include source snippets.
  3149. 25.56 s > Traceback (most recent call last):
  3150. 25.56 s > File "<string>", line 85, in <module>
  3151. 25.56 s > batch = summarize_batch_result(api.evaluate_samples(points))
  3152. 25.56 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  3153. 25.56 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  3154. 25.56 s >
  3155. 25.56 s >
  3156. 25.56 s > ... omitted 2 more lines; see full nextest output above
  3157. 25.56 s > =========================================
  3158. 25.56 s For full logs, run:
  3159. 25.56 s nix log /nix/store/zj9iv3i3rnkdjxrjpfv3yi916lhlmqk8-gammaloop-nextest-python-api.drv
  3160. 25.69 s [1 built (1 failed), 0.0Run failed.
Tail Raw Logs