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. 0.12 s Cloning into '/tmp/nix-ci-worker/stable-pwd/repo'...
  3. 1.77 s remote: Enumerating objects: 86657, done.
  4. 2.30 s remote: Counting objects: 0% (1/9255) remote: Counting objects: 1% (93/9255) remote: Counting objects: 2% (186/9255) remote: Counting objects: 3% (278/9255) remote: Counting objects: 4% (371/9255) remote: Counting objects: 5% (463/9255) remote: Counting objects: 6% (556/9255) remote: Counting objects: 7% (648/9255) remote: Counting objects: 8% (741/9255) remote: Counting objects: 9% (833/9255) remote: Counting objects: 10% (926/9255) remote: Counting objects: 11% (1019/9255) remote: Counting objects: 12% (1111/9255) remote: Counting objects: 13% (1204/9255) remote: Counting objects: 14% (1296/9255) remote: Counting objects: 15% (1389/9255) remote: Counting objects: 16% (1481/9255) remote: Counting objects: 17% (1574/9255) remote: Counting objects: 18% (1666/9255) remote: Counting objects: 19% (1759/9255) remote: Counting objects: 20% (1851/9255) remote: Counting objects: 21% (1944/9255) remote: Counting objects: 22% (2037/9255) remote: Counting objects: 23% (2129/9255) remote: Counting objects: 24% (2222/9255) remote: Counting objects: 25% (2314/9255) remote: Counting objects: 26% (2407/9255) remote: Counting objects: 27% (2499/9255) remote: Counting objects: 28% (2592/9255) remote: Counting objects: 29% (2684/9255) remote: Counting objects: 30% (2777/9255) remote: Counting objects: 31% (2870/9255) remote: Counting objects: 32% (2962/9255) remote: Counting objects: 33% (3055/9255) remote: Counting objects: 34% (3147/9255) remote: Counting objects: 35% (3240/9255) remote: Counting objects: 36% (3332/9255) remote: Counting objects: 37% (3425/9255) remote: Counting objects: 38% (3517/9255) remote: Counting objects: 39% (3610/9255) remote: Counting objects: 40% (3702/9255) remote: Counting objects: 41% (3795/9255) remote: Counting objects: 42% (3888/9255) remote: Counting objects: 43% (3980/9255) remote: Counting objects: 44% (4073/9255) remote: Counting objects: 45% (4165/9255) remote: Counting objects: 46% (4258/9255) remote: Counting objects: 47% (4350/9255) remote: Counting objects: 48% (4443/9255) remote: Counting objects: 49% (4535/9255) remote: Counting objects: 50% (4628/9255) remote: Counting objects: 51% (4721/9255) remote: Counting objects: 52% (4813/9255) remote: Counting objects: 53% (4906/9255) remote: Counting objects: 54% (4998/9255) remote: Counting objects: 55% (5091/9255) remote: Counting objects: 56% (5183/9255) remote: Counting objects: 57% (5276/9255) remote: Counting objects: 58% (5368/9255) remote: Counting objects: 59% (5461/9255) remote: Counting objects: 60% (5553/9255) remote: Counting objects: 61% (5646/9255) remote: Counting objects: 62% (5739/9255) remote: Counting objects: 63% (5831/9255) remote: Counting objects: 64% (5924/9255) remote: Counting objects: 65% (6016/9255) remote: Counting objects: 66% (6109/9255) remote: Counting objects: 67% (6201/9255) remote: Counting objects: 68% (6294/9255) remote: Counting objects: 69% (6386/9255) remote: Counting objects: 70% (6479/9255) remote: Counting objects: 71% (6572/9255) remote: Counting objects: 72% (6664/9255) remote: Counting objects: 73% (6757/9255) remote: Counting objects: 74% (6849/9255) remote: Counting objects: 75% (6942/9255) remote: Counting objects: 76% (7034/9255) remote: Counting objects: 77% (7127/9255) remote: Counting objects: 78% (7219/9255) remote: Counting objects: 79% (7312/9255) remote: Counting objects: 80% (7404/9255) remote: Counting objects: 81% (7497/9255) remote: Counting objects: 82% (7590/9255) remote: Counting objects: 83% (7682/9255) remote: Counting objects: 84% (7775/9255) remote: Counting objects: 85% (7867/9255) remote: Counting objects: 86% (7960/9255) remote: Counting objects: 87% (8052/9255) remote: Counting objects: 88% (8145/9255) remote: Counting objects: 89% (8237/9255) remote: Counting objects: 90% (8330/9255) remote: Counting objects: 91% (8423/9255) remote: Counting objects: 92% (8515/9255) remote: Counting objects: 93% (8608/9255) remote: Counting objects: 94% (8700/9255) remote: Counting objects: 95% (8793/9255) remote: Counting objects: 96% (8885/9255) remote: Counting objects: 97% (8978/9255) remote: Counting objects: 98% (9070/9255) remote: Counting objects: 99% (9163/9255) remote: Counting objects: 100% (9255/9255) remote: Counting objects: 100% (9255/9255), done.
  5. 4.16 s remote: Compressing objects: 0% (1/2179) remote: Compressing objects: 1% (22/2179) remote: Compressing objects: 2% (44/2179) remote: Compressing objects: 3% (66/2179) remote: Compressing objects: 4% (88/2179) remote: Compressing objects: 5% (109/2179) remote: Compressing objects: 6% (131/2179) remote: Compressing objects: 7% (153/2179) remote: Compressing objects: 8% (175/2179) remote: Compressing objects: 9% (197/2179) remote: Compressing objects: 10% (218/2179) remote: Compressing objects: 11% (240/2179) remote: Compressing objects: 12% (262/2179) remote: Compressing objects: 13% (284/2179) remote: Compressing objects: 13% (292/2179) remote: Compressing objects: 14% (306/2179) remote: Compressing objects: 15% (327/2179) remote: Compressing objects: 16% (349/2179) remote: Compressing objects: 17% (371/2179) remote: Compressing objects: 18% (393/2179) remote: Compressing objects: 19% (415/2179) remote: Compressing objects: 20% (436/2179) remote: Compressing objects: 21% (458/2179) remote: Compressing objects: 22% (480/2179) remote: Compressing objects: 23% (502/2179) remote: Compressing objects: 23% (513/2179) remote: Compressing objects: 24% (523/2179) remote: Compressing objects: 25% (545/2179) remote: Compressing objects: 26% (567/2179) remote: Compressing objects: 27% (589/2179) remote: Compressing objects: 28% (611/2179) remote: Compressing objects: 29% (632/2179) remote: Compressing objects: 30% (654/2179) remote: Compressing objects: 31% (676/2179) remote: Compressing objects: 32% (698/2179) remote: Compressing objects: 33% (720/2179) remote: Compressing objects: 34% (741/2179) remote: Compressing objects: 35% (763/2179) remote: Compressing objects: 36% (785/2179) remote: Compressing objects: 37% (807/2179) remote: Compressing objects: 38% (829/2179) remote: Compressing objects: 39% (850/2179) remote: Compressing objects: 40% (872/2179) remote: Compressing objects: 41% (894/2179) remote: Compressing objects: 42% (916/2179) remote: Compressing objects: 43% (937/2179) remote: Compressing objects: 44% (959/2179) remote: Compressing objects: 45% (981/2179) remote: Compressing objects: 46% (1003/2179) remote: Compressing objects: 47% (1025/2179) remote: Compressing objects: 48% (1046/2179) remote: Compressing objects: 49% (1068/2179) remote: Compressing objects: 50% (1090/2179) remote: Compressing objects: 51% (1112/2179) remote: Compressing objects: 52% (1134/2179) remote: Compressing objects: 53% (1155/2179) remote: Compressing objects: 54% (1177/2179) remote: Compressing objects: 55% (1199/2179) remote: Compressing objects: 56% (1221/2179) remote: Compressing objects: 57% (1243/2179) remote: Compressing objects: 58% (1264/2179) remote: Compressing objects: 59% (1286/2179) remote: Compressing objects: 60% (1308/2179) remote: Compressing objects: 61% (1330/2179) remote: Compressing objects: 62% (1351/2179) remote: Compressing objects: 63% (1373/2179) remote: Compressing objects: 64% (1395/2179) remote: Compressing objects: 65% (1417/2179) remote: Compressing objects: 66% (1439/2179) remote: Compressing objects: 67% (1460/2179) remote: Compressing objects: 68% (1482/2179) remote: Compressing objects: 69% (1504/2179) remote: Compressing objects: 70% (1526/2179) remote: Compressing objects: 71% (1548/2179) remote: Compressing objects: 72% (1569/2179) remote: Compressing objects: 73% (1591/2179) remote: Compressing objects: 74% (1613/2179) remote: Compressing objects: 75% (1635/2179) remote: Compressing objects: 76% (1657/2179) remote: Compressing objects: 77% (1678/2179) remote: Compressing objects: 78% (1700/2179) remote: Compressing objects: 79% (1722/2179) remote: Compressing objects: 80% (1744/2179) remote: Compressing objects: 81% (1765/2179) remote: Compressing objects: 82% (1787/2179) remote: Compressing objects: 83% (1809/2179) remote: Compressing objects: 84% (1831/2179) remote: Compressing objects: 85% (1853/2179) remote: Compressing objects: 86% (1874/2179) remote: Compressing objects: 87% (1896/2179) remote: Compressing objects: 88% (1918/2179) remote: Compressing objects: 89% (1940/2179) remote: Compressing objects: 90% (1962/2179) remote: Compressing objects: 91% (1983/2179) remote: Compressing objects: 92% (2005/2179) remote: Compressing objects: 93% (2027/2179) remote: Compressing objects: 94% (2049/2179) remote: Compressing objects: 95% (2071/2179) remote: Compressing objects: 96% (2092/2179) remote: Compressing objects: 97% (2114/2179) remote: Compressing objects: 98% (2136/2179) remote: Compressing objects: 99% (2158/2179) remote: Compressing objects: 100% (2179/2179) remote: Compressing objects: 100% (2179/2179), done.
  6. 8.68 s Receiving objects: 0% (1/86657) Receiving objects: 1% (867/86657) Receiving objects: 2% (1734/86657) Receiving objects: 3% (2600/86657) Receiving objects: 4% (3467/86657) Receiving objects: 5% (4333/86657) Receiving objects: 6% (5200/86657) Receiving objects: 7% (6066/86657) Receiving objects: 8% (6933/86657) Receiving objects: 9% (7800/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 10% (8666/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 11% (9533/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 12% (10399/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 13% (11266/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 14% (12132/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 15% (12999/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 16% (13866/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 17% (14732/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 18% (15599/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 19% (16465/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 20% (17332/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 21% (18198/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 22% (19065/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 23% (19932/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 24% (20798/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 25% (21665/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 26% (22531/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 27% (23398/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 28% (24264/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 29% (25131/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 30% (25998/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 31% (26864/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 32% (27731/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 33% (28597/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 34% (29464/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 35% (30330/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 36% (31197/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 37% (32064/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 38% (32930/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 39% (33797/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 39% (33919/86657), 11.64 MiB | 23.26 MiB/s Receiving objects: 40% (34663/86657), 32.72 MiB | 32.71 MiB/s Receiving objects: 41% (35530/86657), 32.72 MiB | 32.71 MiB/s Receiving objects: 42% (36396/86657), 32.72 MiB | 32.71 MiB/s Receiving objects: 43% (37263/86657), 32.72 MiB | 32.71 MiB/s Receiving objects: 44% (38130/86657), 32.72 MiB | 32.71 MiB/s Receiving objects: 45% (38996/86657), 32.72 MiB | 32.71 MiB/s Receiving objects: 46% (39863/86657), 32.72 MiB | 32.71 MiB/s Receiving objects: 47% (40729/86657), 32.72 MiB | 32.71 MiB/s Receiving objects: 48% (41596/86657), 32.72 MiB | 32.71 MiB/s Receiving objects: 49% (42462/86657), 32.72 MiB | 32.71 MiB/s Receiving objects: 50% (43329/86657), 50.59 MiB | 33.72 MiB/s Receiving objects: 51% (44196/86657), 50.59 MiB | 33.72 MiB/s Receiving objects: 52% (45062/86657), 50.59 MiB | 33.72 MiB/s Receiving objects: 53% (45929/86657), 50.59 MiB | 33.72 MiB/s Receiving objects: 54% (46795/86657), 50.59 MiB | 33.72 MiB/s Receiving objects: 55% (47662/86657), 50.59 MiB | 33.72 MiB/s Receiving objects: 56% (48528/86657), 50.59 MiB | 33.72 MiB/s Receiving objects: 56% (49210/86657), 50.59 MiB | 33.72 MiB/s Receiving objects: 57% (49395/86657), 67.98 MiB | 33.99 MiB/s Receiving objects: 58% (50262/86657), 67.98 MiB | 33.99 MiB/s Receiving objects: 59% (51128/86657), 67.98 MiB | 33.99 MiB/s Receiving objects: 60% (51995/86657), 67.98 MiB | 33.99 MiB/s Receiving objects: 61% (52861/86657), 67.98 MiB | 33.99 MiB/s Receiving objects: 62% (53728/86657), 67.98 MiB | 33.99 MiB/s Receiving objects: 63% (54594/86657), 67.98 MiB | 33.99 MiB/s Receiving objects: 64% (55461/86657), 67.98 MiB | 33.99 MiB/s Receiving objects: 65% (56328/86657), 67.98 MiB | 33.99 MiB/s Receiving objects: 66% (57194/86657), 67.98 MiB | 33.99 MiB/s Receiving objects: 66% (57348/86657), 104.15 MiB | 34.70 MiB/s Receiving objects: 67% (58061/86657), 104.15 MiB | 34.70 MiB/s Receiving objects: 68% (58927/86657), 104.15 MiB | 34.70 MiB/s Receiving objects: 69% (59794/86657), 104.15 MiB | 34.70 MiB/s Receiving objects: 70% (60660/86657), 104.15 MiB | 34.70 MiB/s Receiving objects: 71% (61527/86657), 104.15 MiB | 34.70 MiB/s Receiving objects: 72% (62394/86657), 104.15 MiB | 34.70 MiB/s Receiving objects: 73% (63260/86657), 104.15 MiB | 34.70 MiB/s Receiving objects: 74% (64127/86657), 121.76 MiB | 34.78 MiB/s Receiving objects: 75% (64993/86657), 121.76 MiB | 34.78 MiB/s Receiving objects: 76% (65860/86657), 121.76 MiB | 34.78 MiB/s Receiving objects: 77% (66726/86657), 121.76 MiB | 34.78 MiB/s Receiving objects: 78% (67593/86657), 121.76 MiB | 34.78 MiB/s Receiving objects: 79% (68460/86657), 121.76 MiB | 34.78 MiB/s Receiving objects: 80% (69326/86657), 121.76 MiB | 34.78 MiB/s Receiving objects: 81% (70193/86657), 121.76 MiB | 34.78 MiB/s Receiving objects: 82% (71059/86657), 121.76 MiB | 34.78 MiB/s Receiving objects: 83% (71926/86657), 121.76 MiB | 34.78 MiB/s Receiving objects: 84% (72792/86657), 121.76 MiB | 34.78 MiB/s Receiving objects: 85% (73659/86657), 121.76 MiB | 34.78 MiB/s Receiving objects: 85% (73938/86657), 140.18 MiB | 35.02 MiB/s Receiving objects: 86% (74526/86657), 140.18 MiB | 35.02 MiB/s Receiving objects: 87% (75392/86657), 140.18 MiB | 35.02 MiB/s Receiving objects: 88% (76259/86657), 140.18 MiB | 35.02 MiB/s Receiving objects: 89% (77125/86657), 140.18 MiB | 35.02 MiB/s Receiving objects: 90% (77992/86657), 140.18 MiB | 35.02 MiB/s Receiving objects: 91% (78858/86657), 140.18 MiB | 35.02 MiB/s Receiving objects: 92% (79725/86657), 140.18 MiB | 35.02 MiB/s Receiving objects: 93% (80592/86657), 140.18 MiB | 35.02 MiB/s Receiving objects: 94% (81458/86657), 140.18 MiB | 35.02 MiB/s Receiving objects: 95% (82325/86657), 140.18 MiB | 35.02 MiB/s Receiving objects: 96% (83191/86657), 140.18 MiB | 35.02 MiB/s Receiving objects: 97% (84058/86657), 140.18 MiB | 35.02 MiB/s Receiving objects: 98% (84924/86657), 140.18 MiB | 35.02 MiB/s Receiving objects: 99% (85791/86657), 140.18 MiB | 35.02 MiB/s remote: Total 86657 (delta 7967), reused 7276 (delta 7070), pack-reused 77402 (from 3)
  7. 8.68 s Receiving objects: 100% (86657/86657), 140.18 MiB | 35.02 MiB/s Receiving objects: 100% (86657/86657), 158.19 MiB | 35.18 MiB/s, done.
  8. 9.67 s Resolving deltas: 0% (0/58832) Resolving deltas: 1% (589/58832) Resolving deltas: 2% (1177/58832) Resolving deltas: 3% (1765/58832) Resolving deltas: 4% (2354/58832) Resolving deltas: 5% (2944/58832) Resolving deltas: 6% (3531/58832) Resolving deltas: 7% (4119/58832) Resolving deltas: 8% (4708/58832) Resolving deltas: 9% (5295/58832) Resolving deltas: 10% (5884/58832) Resolving deltas: 11% (6472/58832) Resolving deltas: 12% (7060/58832) Resolving deltas: 13% (7649/58832) Resolving deltas: 14% (8237/58832) Resolving deltas: 15% (8827/58832) Resolving deltas: 16% (9414/58832) Resolving deltas: 17% (10002/58832) Resolving deltas: 18% (10590/58832) Resolving deltas: 19% (11179/58832) Resolving deltas: 20% (11767/58832) Resolving deltas: 21% (12355/58832) Resolving deltas: 22% (12946/58832) Resolving deltas: 23% (13532/58832) Resolving deltas: 24% (14121/58832) Resolving deltas: 25% (14710/58832) Resolving deltas: 26% (15297/58832) Resolving deltas: 27% (15885/58832) Resolving deltas: 28% (16473/58832) Resolving deltas: 29% (17063/58832) Resolving deltas: 30% (17651/58832) Resolving deltas: 31% (18238/58832) Resolving deltas: 32% (18827/58832) Resolving deltas: 33% (19415/58832) Resolving deltas: 34% (20003/58832) Resolving deltas: 35% (20592/58832) Resolving deltas: 36% (21180/58832) Resolving deltas: 37% (21768/58832) Resolving deltas: 38% (22358/58832) Resolving deltas: 39% (22945/58832) Resolving deltas: 40% (23533/58832) Resolving deltas: 41% (24122/58832) Resolving deltas: 42% (24711/58832) Resolving deltas: 43% (25298/58832) Resolving deltas: 44% (25887/58832) Resolving deltas: 45% (26475/58832) Resolving deltas: 46% (27063/58832) Resolving deltas: 47% (27652/58832) Resolving deltas: 48% (28240/58832) Resolving deltas: 49% (28828/58832) Resolving deltas: 50% (29416/58832) Resolving deltas: 51% (30005/58832) Resolving deltas: 52% (30595/58832) Resolving deltas: 53% (31182/58832) Resolving deltas: 54% (31770/58832) Resolving deltas: 55% (32358/58832) Resolving deltas: 56% (32946/58832) Resolving deltas: 57% (33538/58832) Resolving deltas: 58% (34123/58832) Resolving deltas: 59% (34711/58832) Resolving deltas: 60% (35300/58832) Resolving deltas: 61% (35888/58832) Resolving deltas: 62% (36476/58832) Resolving deltas: 63% (37065/58832) Resolving deltas: 64% (37653/58832) Resolving deltas: 65% (38241/58832) Resolving deltas: 66% (38830/58832) Resolving deltas: 67% (39418/58832) Resolving deltas: 68% (40006/58832) Resolving deltas: 69% (40595/58832) Resolving deltas: 70% (41183/58832) Resolving deltas: 71% (41772/58832) Resolving deltas: 72% (42360/58832) Resolving deltas: 73% (42950/58832) Resolving deltas: 74% (43536/58832) Resolving deltas: 75% (44124/58832) Resolving deltas: 76% (44713/58832) Resolving deltas: 77% (45301/58832) Resolving deltas: 78% (45889/58832) Resolving deltas: 79% (46479/58832) Resolving deltas: 80% (47066/58832) Resolving deltas: 81% (47655/58832) Resolving deltas: 82% (48243/58832) Resolving deltas: 83% (48831/58832) Resolving deltas: 84% (49419/58832) Resolving deltas: 85% (50008/58832) Resolving deltas: 86% (50596/58832) Resolving deltas: 87% (51184/58832) Resolving deltas: 88% (51773/58832) Resolving deltas: 89% (52361/58832) Resolving deltas: 90% (52949/58832) Resolving deltas: 91% (53538/58832) Resolving deltas: 92% (54126/58832) Resolving deltas: 93% (54715/58832) Resolving deltas: 94% (55303/58832) Resolving deltas: 95% (55891/58832) Resolving deltas: 96% (56479/58832) Resolving deltas: 97% (57069/58832) Resolving deltas: 98% (57657/58832) Resolving deltas: 99% (58247/58832) Resolving deltas: 100% (58832/58832) Resolving deltas: 100% (58832/58832), done.
  9. 10.02 s Fetching commit c8850207ef74b1425e5e63edcd051128a90edaf6 for advanced_sampling ...
  10. 10.02 s $ /nix/store/bcnisk3ydfgv26v2gw3zlky24g00yww2-git-2.54.0/bin/git fetch origin c8850207ef74b1425e5e63edcd051128a90edaf6
  11. 10.50 s From https://github.com/alphal00p/gammaloop
  12. 10.50 s * branch c8850207ef74b1425e5e63edcd051128a90edaf6 -> FETCH_HEAD
  13. 10.51 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 c8850207ef74b1425e5e63edcd051128a90edaf6
  14. 10.75 s HEAD is now at c8850207e record full-orientation joint sampling cost and stability failures
  15. 10.75 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. 18.98 s
  17. 19.14 s Downloading cached gammaloop-nextest-binaries-python-api-gammaloop-integration-tests from https://cache.nix-ci.com
  18. 19.14 s Downloading cached gammaloop-python-module from https://cache.nix-ci.com
  19. 19.58 s Downloaded cached gammaloop-nextest-binaries-python-api-gammaloop-integration-tests (8.5 MiB) in 440ms
  20. 19.58 s Progress: 0 of 1 built, 1 of 4 downloaded from cache (1 downloading)
  21. 19.58 s Downloading cached gammaloop-nextest-binaries-python-api from https://cache.nix-ci.com
  22. 19.71 s Downloaded cached gammaloop-nextest-binaries-python-api (520 B) in 130ms
  23. 19.71 s Progress: 0 of 1 built, 2 of 4 downloaded from cache (1 downloading)
  24. 20.96 s Downloaded cached gammaloop-python-module (148.6 MiB) in 1.8s
  25. 20.96 s Progress: 0 of 1 built, 3 of 4 downloaded from cache
  26. 20.96 s Downloading cached nix-ci-check-gammaloop-nextest-python-api from https://cache.nix-ci.com
  27. 21.02 s Downloaded cached nix-ci-check-gammaloop-nextest-python-api (1104 B) in 59ms
  28. 21.02 s Progress: 0 of 1 built, 4 of 4 downloaded from cache
  29. 29.96 s evaluating derivation 'g copying '/nix/store/j0vf evaluating derivation 'g copying '/nix/store/j0vf evaluating derivation 'g copying '/nix/store/j0vf evaluating derivation 'g copying '/nix/store/j0vf evaluating derivation 'g copying '/nix/store/j0vf evaluating derivation 'g copying '/nix/store/j0vf evaluating derivation 'g copying '/nix/store/j0vf evaluating derivation 'g copying '/nix/store/j0vf evaluating derivation 'g copying '/nix/store/j0vf evaluating derivation 'g copying '/nix/store/j0vf evaluating derivation 'g querying gammaloop-nexte [0/1 built, 0.0 KiB DL] [1/0/1 built, 0.0 KiB DLgammaloop-nextest-python-api> Extracting 1 binary, 1 build script output directory, and 3 linked paths to /build/nextest-archive-ypJe6I
  30. 30.04 s gammaloop-nextest-python-api> Extracted 18 files to /build/nextest-archive-ypJe6I in 0.08s
  31. 30.05 s gammaloop-nextest-python-api> ------------
  32. 30.05 s gammaloop-nextest-python-api> Nextest run ID 50931996-a83d-4fbe-a663-15b57ec792be with nextest profile: ci_gammaloop
  33. 30.05 s gammaloop-nextest-python-api> Starting 5 tests across 1 binary
  34. 30.59 s gammaloop-nextest-python-api> FAIL [ 0.539s] (3/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  35. 30.59 s gammaloop-nextest-python-api> stdout ---
  36. 30.59 s gammaloop-nextest-python-api>
  37. 30.59 s gammaloop-nextest-python-api> running 1 test
  38. 30.59 s gammaloop-nextest-python-api> test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  39. 30.59 s gammaloop-nextest-python-api>
  40. 30.59 s gammaloop-nextest-python-api> failures:
  41. 30.59 s gammaloop-nextest-python-api>
  42. 30.59 s gammaloop-nextest-python-api> failures:
  43. 30.59 s gammaloop-nextest-python-api> python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  44. 30.59 s gammaloop-nextest-python-api>
  45. 30.59 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.53s
  46. 30.59 s gammaloop-nextest-python-api>
  47. 30.59 s gammaloop-nextest-python-api> stderr ---
  48. 30.59 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  49. 30.59 s gammaloop-nextest-python-api> stdout:
  50. 30.59 s gammaloop-nextest-python-api>
  51. 30.59 s gammaloop-nextest-python-api> stderr:
  52. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.988] @gammaloop_api::se... INFO : Running command import model sm-default
  53. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.988] @import::model INFO : Loading built-in JSON model sm-default
  54. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  55. 30.59 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  56. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  57. 30.59 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-)
  58. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  59. 30.59 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
  60. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.021] @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]}}'
  61. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.022] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  62. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.022] @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
  63. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.024] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  64. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  65. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  66. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  67. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  68. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  69. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  70. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  71. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  72. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.029] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  73. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.126] @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)
  74. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.126] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  75. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.127] @commands::generate INFO : Generated cross-section 2 graphs.
  76. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.127] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  77. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.127] @gammaloop_api::se... INFO : Running command generate
  78. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.432] @commands::generate INFO :
  79. 30.59 s gammaloop-nextest-python-api> Integrand generation summary
  80. 30.59 s gammaloop-nextest-python-api> peak RAM 106.50 MiB | cores 1
  81. 30.59 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  82. 30.59 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  83. 30.59 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  84. 30.59 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 39ms (45%) │ 22ms (25%) │ 26ms (30%) │ 0ms (0.00%) │
  85. 30.59 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (33%) │ 68ms (37%) │ 0ms (0.00%) │
  86. 30.59 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  87. 30.59 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 97ms (35%) │ 83ms (30%) │ 94ms (34%) │ 0ms (0.00%) │
  88. 30.59 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  89. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.433] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  90. 30.59 s gammaloop-nextest-python-api> The application panicked (crashed).
  91. 30.59 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  92. 30.59 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  93. 30.59 s gammaloop-nextest-python-api>
  94. 30.59 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  95. 30.59 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  96. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  97. 30.59 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  98. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  99. 30.59 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  100. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  101. 30.59 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  102. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  103. 30.59 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  104. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  105. 30.59 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  106. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  107. 30.59 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  108. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  109. 30.59 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  110. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  111. 30.59 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  112. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  113. 30.59 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#4}>>>::from_iter<unknown>
  114. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  115. 30.59 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  116. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  117. 30.59 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  118. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  119. 30.59 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  120. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  121. 30.59 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  122. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  123. 30.59 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  124. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  125. 30.59 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  126. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  127. 30.59 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  128. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  129. 30.59 s gammaloop-nextest-python-api> 18: 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>
  130. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  131. 30.59 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  132. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  133. 30.59 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  134. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  135. 30.59 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  136. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  137. 30.59 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  138. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  139. 30.59 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  140. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  141. 30.59 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  142. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  143. 30.59 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  144. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  145. 30.59 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  146. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  147. 30.59 s gammaloop-nextest-python-api> 27: _start<unknown>
  148. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  149. 30.59 s gammaloop-nextest-python-api>
  150. 30.59 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  151. 30.59 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  152. 30.59 s gammaloop-nextest-python-api> Traceback (most recent call last):
  153. 30.59 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  154. 30.59 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  155. 30.59 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  156. 30.59 s gammaloop-nextest-python-api>
  157. 30.59 s gammaloop-nextest-python-api>
  158. 30.59 s gammaloop-nextest-python-api> Location:
  159. 30.59 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  160. 30.59 s gammaloop-nextest-python-api>
  161. 30.59 s gammaloop-nextest-python-api> FAIL [ 0.539s] (4/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  162. 30.59 s gammaloop-nextest-python-api> stdout ---
  163. 30.59 s gammaloop-nextest-python-api>
  164. 30.59 s gammaloop-nextest-python-api> running 1 test
  165. 30.59 s gammaloop-nextest-python-api> test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  166. 30.59 s gammaloop-nextest-python-api>
  167. 30.59 s gammaloop-nextest-python-api> failures:
  168. 30.59 s gammaloop-nextest-python-api>
  169. 30.59 s gammaloop-nextest-python-api> failures:
  170. 30.59 s gammaloop-nextest-python-api> python_evaluate_sample_honors_generate_events_and_observable_snapshots
  171. 30.59 s gammaloop-nextest-python-api>
  172. 30.59 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.53s
  173. 30.59 s gammaloop-nextest-python-api>
  174. 30.59 s gammaloop-nextest-python-api> stderr ---
  175. 30.59 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  176. 30.59 s gammaloop-nextest-python-api> stdout:
  177. 30.59 s gammaloop-nextest-python-api>
  178. 30.59 s gammaloop-nextest-python-api> stderr:
  179. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.988] @gammaloop_api::se... INFO : Running command import model sm-default
  180. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.988] @import::model INFO : Loading built-in JSON model sm-default
  181. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  182. 30.59 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  183. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  184. 30.59 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-)
  185. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  186. 30.59 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
  187. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.019] @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]}}'
  188. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.019] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  189. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.020] @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
  190. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.022] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  191. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  192. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  193. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  194. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  195. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  196. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  197. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  198. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  199. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  200. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.125] @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)
  201. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.125] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  202. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.125] @commands::generate INFO : Generated cross-section 2 graphs.
  203. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.125] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  204. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.126] @gammaloop_api::se... INFO : Running command generate
  205. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.431] @commands::generate INFO :
  206. 30.59 s gammaloop-nextest-python-api> Integrand generation summary
  207. 30.59 s gammaloop-nextest-python-api> peak RAM 106.16 MiB | cores 1
  208. 30.59 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  209. 30.59 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  210. 30.59 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  211. 30.59 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  212. 30.59 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 58ms (31%) │ 60ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  213. 30.59 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  214. 30.59 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 99ms (36%) │ 81ms (30%) │ 92ms (34%) │ 0ms (0.00%) │
  215. 30.59 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  216. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.432] @gammaloop_api::se... INFO : Running command set process string '
  217. 30.59 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  218. 30.59 s gammaloop-nextest-python-api> type = "jet"
  219. 30.59 s gammaloop-nextest-python-api> quantity = "PT"
  220. 30.59 s gammaloop-nextest-python-api> dR = 0.4
  221. 30.59 s gammaloop-nextest-python-api> [...]
  222. 30.59 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.433] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  223. 30.59 s gammaloop-nextest-python-api> The application panicked (crashed).
  224. 30.59 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  225. 30.59 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  226. 30.59 s gammaloop-nextest-python-api>
  227. 30.59 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  228. 30.59 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  229. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  230. 30.59 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  231. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  232. 30.59 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  233. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  234. 30.59 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  235. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  236. 30.59 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  237. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  238. 30.59 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  239. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  240. 30.59 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  241. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  242. 30.59 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  243. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  244. 30.59 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  245. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  246. 30.59 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#4}>>>::from_iter<unknown>
  247. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  248. 30.59 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  249. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  250. 30.59 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  251. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  252. 30.59 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  253. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  254. 30.59 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  255. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  256. 30.59 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  257. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  258. 30.59 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  259. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  260. 30.59 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  261. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  262. 30.59 s gammaloop-nextest-python-api> 18: 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>
  263. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  264. 30.59 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  265. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  266. 30.59 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  267. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  268. 30.59 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  269. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  270. 30.59 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  271. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  272. 30.59 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  273. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  274. 30.59 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  275. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  276. 30.59 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  277. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  278. 30.59 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  279. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  280. 30.59 s gammaloop-nextest-python-api> 27: _start<unknown>
  281. 30.59 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  282. 30.59 s gammaloop-nextest-python-api>
  283. 30.59 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  284. 30.59 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  285. 30.59 s gammaloop-nextest-python-api> Traceback (most recent call last):
  286. 30.59 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  287. 30.59 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  288. 30.59 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  289. 30.59 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  290. 30.59 s gammaloop-nextest-python-api>
  291. 30.59 s gammaloop-nextest-python-api>
  292. 30.59 s gammaloop-nextest-python-api> Location:
  293. 30.59 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  294. 30.59 s gammaloop-nextest-python-api>
  295. 30.71 s gammaloop-nextest-python-api> FAIL [ 0.659s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  296. 30.71 s gammaloop-nextest-python-api> stdout ---
  297. 30.71 s gammaloop-nextest-python-api>
  298. 30.71 s gammaloop-nextest-python-api> running 1 test
  299. 30.71 s gammaloop-nextest-python-api> test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  300. 30.71 s gammaloop-nextest-python-api>
  301. 30.71 s gammaloop-nextest-python-api> failures:
  302. 30.71 s gammaloop-nextest-python-api>
  303. 30.71 s gammaloop-nextest-python-api> failures:
  304. 30.71 s gammaloop-nextest-python-api> python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  305. 30.71 s gammaloop-nextest-python-api>
  306. 30.71 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.65s
  307. 30.71 s gammaloop-nextest-python-api>
  308. 30.71 s gammaloop-nextest-python-api> stderr ---
  309. 30.71 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  310. 30.71 s gammaloop-nextest-python-api> stdout:
  311. 30.71 s gammaloop-nextest-python-api>
  312. 30.71 s gammaloop-nextest-python-api> stderr:
  313. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.990] @gammaloop_api::se... INFO : Running command import model sm-default
  314. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.990] @import::model INFO : Loading built-in JSON model sm-default
  315. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  316. 30.71 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  317. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  318. 30.71 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-)
  319. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  320. 30.71 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
  321. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.020] @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]}}'
  322. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.021] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  323. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.022] @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
  324. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.023] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  325. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  326. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  327. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  328. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  329. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  330. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  331. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  332. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  333. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  334. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.124] @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)
  335. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.124] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  336. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.124] @commands::generate INFO : Generated cross-section 2 graphs.
  337. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.125] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  338. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.126] @gammaloop_api::se... INFO : Running command generate
  339. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.429] @commands::generate INFO :
  340. 30.71 s gammaloop-nextest-python-api> Integrand generation summary
  341. 30.71 s gammaloop-nextest-python-api> peak RAM 104.43 MiB | cores 1
  342. 30.71 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  343. 30.71 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  344. 30.71 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  345. 30.71 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 39ms (47%) │ 21ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  346. 30.71 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 59ms (30%) │ 64ms (33%) │ 73ms (37%) │ 0ms (0.00%) │
  347. 30.71 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  348. 30.71 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 98ms (35%) │ 85ms (30%) │ 96ms (34%) │ 0ms (0.00%) │
  349. 30.71 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  350. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.430] @gammaloop_api::se... INFO : Running command set process string '
  351. 30.71 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  352. 30.71 s gammaloop-nextest-python-api> type = "jet"
  353. 30.71 s gammaloop-nextest-python-api> quantity = "PT"
  354. 30.71 s gammaloop-nextest-python-api> dR = 0.4
  355. 30.71 s gammaloop-nextest-python-api> [...]
  356. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.431] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  357. 30.71 s gammaloop-nextest-python-api> The application panicked (crashed).
  358. 30.71 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  359. 30.71 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  360. 30.71 s gammaloop-nextest-python-api>
  361. 30.71 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  362. 30.71 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  363. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  364. 30.71 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  365. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  366. 30.71 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  367. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  368. 30.71 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  369. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  370. 30.71 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  371. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  372. 30.71 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  373. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  374. 30.71 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  375. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  376. 30.71 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  377. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  378. 30.71 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  379. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  380. 30.71 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#4}>>>::from_iter<unknown>
  381. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  382. 30.71 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  383. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  384. 30.71 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  385. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  386. 30.71 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  387. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  388. 30.71 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  389. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  390. 30.71 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  391. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  392. 30.71 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  393. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  394. 30.71 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  395. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  396. 30.71 s gammaloop-nextest-python-api> 18: 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. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  398. 30.71 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  399. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  400. 30.71 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  401. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  402. 30.71 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  403. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  404. 30.71 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  405. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  406. 30.71 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  407. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  408. 30.71 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  409. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  410. 30.71 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  411. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  412. 30.71 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  413. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  414. 30.71 s gammaloop-nextest-python-api> 27: _start<unknown>
  415. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  416. 30.71 s gammaloop-nextest-python-api>
  417. 30.71 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  418. 30.71 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  419. 30.71 s gammaloop-nextest-python-api> Traceback (most recent call last):
  420. 30.71 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  421. 30.71 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  422. 30.71 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  423. 30.71 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  424. 30.71 s gammaloop-nextest-python-api>
  425. 30.71 s gammaloop-nextest-python-api>
  426. 30.71 s gammaloop-nextest-python-api> Location:
  427. 30.71 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  428. 30.71 s gammaloop-nextest-python-api>
  429. 30.71 s gammaloop-nextest-python-api> ------------
  430. 30.71 s gammaloop-nextest-python-api> Summary [ 0.660s] 5 tests run: 2 passed, 3 failed, 0 skipped
  431. 30.71 s gammaloop-nextest-python-api> FAIL [ 0.539s] (3/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  432. 30.71 s gammaloop-nextest-python-api> stdout ---
  433. 30.71 s gammaloop-nextest-python-api>
  434. 30.71 s gammaloop-nextest-python-api> running 1 test
  435. 30.71 s gammaloop-nextest-python-api> test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  436. 30.71 s gammaloop-nextest-python-api>
  437. 30.71 s gammaloop-nextest-python-api> failures:
  438. 30.71 s gammaloop-nextest-python-api>
  439. 30.71 s gammaloop-nextest-python-api> failures:
  440. 30.71 s gammaloop-nextest-python-api> python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  441. 30.71 s gammaloop-nextest-python-api>
  442. 30.71 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.53s
  443. 30.71 s gammaloop-nextest-python-api>
  444. 30.71 s gammaloop-nextest-python-api> stderr ---
  445. 30.71 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  446. 30.71 s gammaloop-nextest-python-api> stdout:
  447. 30.71 s gammaloop-nextest-python-api>
  448. 30.71 s gammaloop-nextest-python-api> stderr:
  449. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.988] @gammaloop_api::se... INFO : Running command import model sm-default
  450. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.988] @import::model INFO : Loading built-in JSON model sm-default
  451. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  452. 30.71 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  453. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  454. 30.71 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. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  456. 30.71 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. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.021] @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. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.022] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  459. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.022] @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. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.024] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  461. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  462. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  463. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  464. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  465. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  466. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  467. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  468. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  469. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.029] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  470. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.126] @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. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.126] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  472. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.127] @commands::generate INFO : Generated cross-section 2 graphs.
  473. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.127] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  474. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.127] @gammaloop_api::se... INFO : Running command generate
  475. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.432] @commands::generate INFO :
  476. 30.71 s gammaloop-nextest-python-api> Integrand generation summary
  477. 30.71 s gammaloop-nextest-python-api> peak RAM 106.50 MiB | cores 1
  478. 30.71 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  479. 30.71 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  480. 30.71 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  481. 30.71 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 39ms (45%) │ 22ms (25%) │ 26ms (30%) │ 0ms (0.00%) │
  482. 30.71 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (33%) │ 68ms (37%) │ 0ms (0.00%) │
  483. 30.71 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  484. 30.71 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 97ms (35%) │ 83ms (30%) │ 94ms (34%) │ 0ms (0.00%) │
  485. 30.71 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  486. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.433] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  487. 30.71 s gammaloop-nextest-python-api> The application panicked (crashed).
  488. 30.71 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  489. 30.71 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  490. 30.71 s gammaloop-nextest-python-api>
  491. 30.71 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  492. 30.71 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  493. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  494. 30.71 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  495. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  496. 30.71 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  497. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  498. 30.71 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  499. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  500. 30.71 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  501. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  502. 30.71 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  503. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  504. 30.71 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  505. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  506. 30.71 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  507. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  508. 30.71 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  509. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  510. 30.71 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#4}>>>::from_iter<unknown>
  511. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  512. 30.71 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  513. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  514. 30.71 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  515. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  516. 30.71 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  517. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  518. 30.71 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  519. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  520. 30.71 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  521. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  522. 30.71 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  523. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  524. 30.71 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  525. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  526. 30.71 s gammaloop-nextest-python-api> 18: 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>
  527. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  528. 30.71 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  529. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  530. 30.71 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  531. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  532. 30.71 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  533. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  534. 30.71 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  535. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  536. 30.71 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  537. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  538. 30.71 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  539. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  540. 30.71 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  541. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  542. 30.71 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  543. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  544. 30.71 s gammaloop-nextest-python-api> 27: _start<unknown>
  545. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  546. 30.71 s gammaloop-nextest-python-api>
  547. 30.71 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  548. 30.71 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  549. 30.71 s gammaloop-nextest-python-api> Traceback (most recent call last):
  550. 30.71 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  551. 30.71 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  552. 30.71 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  553. 30.71 s gammaloop-nextest-python-api>
  554. 30.71 s gammaloop-nextest-python-api>
  555. 30.71 s gammaloop-nextest-python-api> Location:
  556. 30.71 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  557. 30.71 s gammaloop-nextest-python-api>
  558. 30.71 s gammaloop-nextest-python-api> FAIL [ 0.539s] (4/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  559. 30.71 s gammaloop-nextest-python-api> stdout ---
  560. 30.71 s gammaloop-nextest-python-api>
  561. 30.71 s gammaloop-nextest-python-api> running 1 test
  562. 30.71 s gammaloop-nextest-python-api> test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  563. 30.71 s gammaloop-nextest-python-api>
  564. 30.71 s gammaloop-nextest-python-api> failures:
  565. 30.71 s gammaloop-nextest-python-api>
  566. 30.71 s gammaloop-nextest-python-api> failures:
  567. 30.71 s gammaloop-nextest-python-api> python_evaluate_sample_honors_generate_events_and_observable_snapshots
  568. 30.71 s gammaloop-nextest-python-api>
  569. 30.71 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.53s
  570. 30.71 s gammaloop-nextest-python-api>
  571. 30.71 s gammaloop-nextest-python-api> stderr ---
  572. 30.71 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  573. 30.71 s gammaloop-nextest-python-api> stdout:
  574. 30.71 s gammaloop-nextest-python-api>
  575. 30.71 s gammaloop-nextest-python-api> stderr:
  576. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.988] @gammaloop_api::se... INFO : Running command import model sm-default
  577. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.988] @import::model INFO : Loading built-in JSON model sm-default
  578. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  579. 30.71 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  580. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  581. 30.71 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-)
  582. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  583. 30.71 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
  584. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.019] @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]}}'
  585. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.019] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  586. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.020] @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
  587. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.022] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  588. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  589. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  590. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  591. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  592. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  593. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  594. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  595. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  596. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  597. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.125] @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)
  598. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.125] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  599. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.125] @commands::generate INFO : Generated cross-section 2 graphs.
  600. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.125] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  601. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.126] @gammaloop_api::se... INFO : Running command generate
  602. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.431] @commands::generate INFO :
  603. 30.71 s gammaloop-nextest-python-api> Integrand generation summary
  604. 30.71 s gammaloop-nextest-python-api> peak RAM 106.16 MiB | cores 1
  605. 30.71 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  606. 30.71 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  607. 30.71 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  608. 30.71 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  609. 30.71 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 58ms (31%) │ 60ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  610. 30.71 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  611. 30.71 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 99ms (36%) │ 81ms (30%) │ 92ms (34%) │ 0ms (0.00%) │
  612. 30.71 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  613. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.432] @gammaloop_api::se... INFO : Running command set process string '
  614. 30.71 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  615. 30.71 s gammaloop-nextest-python-api> type = "jet"
  616. 30.71 s gammaloop-nextest-python-api> quantity = "PT"
  617. 30.71 s gammaloop-nextest-python-api> dR = 0.4
  618. 30.71 s gammaloop-nextest-python-api> [...]
  619. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.433] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  620. 30.71 s gammaloop-nextest-python-api> The application panicked (crashed).
  621. 30.71 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  622. 30.71 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  623. 30.71 s gammaloop-nextest-python-api>
  624. 30.71 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  625. 30.71 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  626. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  627. 30.71 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  628. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  629. 30.71 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  630. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  631. 30.71 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  632. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  633. 30.71 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  634. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  635. 30.71 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  636. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  637. 30.71 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  638. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  639. 30.71 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  640. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  641. 30.71 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  642. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  643. 30.71 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#4}>>>::from_iter<unknown>
  644. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  645. 30.71 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  646. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  647. 30.71 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  648. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  649. 30.71 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  650. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  651. 30.71 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  652. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  653. 30.71 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  654. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  655. 30.71 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  656. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  657. 30.71 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  658. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  659. 30.71 s gammaloop-nextest-python-api> 18: 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>
  660. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  661. 30.71 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  662. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  663. 30.71 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  664. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  665. 30.71 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  666. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  667. 30.71 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  668. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  669. 30.71 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  670. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  671. 30.71 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  672. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  673. 30.71 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  674. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  675. 30.71 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  676. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  677. 30.71 s gammaloop-nextest-python-api> 27: _start<unknown>
  678. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  679. 30.71 s gammaloop-nextest-python-api>
  680. 30.71 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  681. 30.71 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  682. 30.71 s gammaloop-nextest-python-api> Traceback (most recent call last):
  683. 30.71 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  684. 30.71 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  685. 30.71 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  686. 30.71 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  687. 30.71 s gammaloop-nextest-python-api>
  688. 30.71 s gammaloop-nextest-python-api>
  689. 30.71 s gammaloop-nextest-python-api> Location:
  690. 30.71 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  691. 30.71 s gammaloop-nextest-python-api>
  692. 30.71 s gammaloop-nextest-python-api> FAIL [ 0.659s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  693. 30.71 s gammaloop-nextest-python-api> stdout ---
  694. 30.71 s gammaloop-nextest-python-api>
  695. 30.71 s gammaloop-nextest-python-api> running 1 test
  696. 30.71 s gammaloop-nextest-python-api> test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  697. 30.71 s gammaloop-nextest-python-api>
  698. 30.71 s gammaloop-nextest-python-api> failures:
  699. 30.71 s gammaloop-nextest-python-api>
  700. 30.71 s gammaloop-nextest-python-api> failures:
  701. 30.71 s gammaloop-nextest-python-api> python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  702. 30.71 s gammaloop-nextest-python-api>
  703. 30.71 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.65s
  704. 30.71 s gammaloop-nextest-python-api>
  705. 30.71 s gammaloop-nextest-python-api> stderr ---
  706. 30.71 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  707. 30.71 s gammaloop-nextest-python-api> stdout:
  708. 30.71 s gammaloop-nextest-python-api>
  709. 30.71 s gammaloop-nextest-python-api> stderr:
  710. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.990] @gammaloop_api::se... INFO : Running command import model sm-default
  711. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.990] @import::model INFO : Loading built-in JSON model sm-default
  712. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  713. 30.71 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  714. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  715. 30.71 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-)
  716. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  717. 30.71 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
  718. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.020] @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]}}'
  719. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.021] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  720. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.022] @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
  721. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.023] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  722. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  723. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  724. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  725. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  726. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  727. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  728. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  729. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  730. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  731. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.124] @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)
  732. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.124] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  733. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.124] @commands::generate INFO : Generated cross-section 2 graphs.
  734. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.125] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  735. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.126] @gammaloop_api::se... INFO : Running command generate
  736. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.429] @commands::generate INFO :
  737. 30.71 s gammaloop-nextest-python-api> Integrand generation summary
  738. 30.71 s gammaloop-nextest-python-api> peak RAM 104.43 MiB | cores 1
  739. 30.71 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  740. 30.71 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  741. 30.71 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  742. 30.71 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 39ms (47%) │ 21ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  743. 30.71 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 59ms (30%) │ 64ms (33%) │ 73ms (37%) │ 0ms (0.00%) │
  744. 30.71 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  745. 30.71 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 98ms (35%) │ 85ms (30%) │ 96ms (34%) │ 0ms (0.00%) │
  746. 30.71 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  747. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.430] @gammaloop_api::se... INFO : Running command set process string '
  748. 30.71 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  749. 30.71 s gammaloop-nextest-python-api> type = "jet"
  750. 30.71 s gammaloop-nextest-python-api> quantity = "PT"
  751. 30.71 s gammaloop-nextest-python-api> dR = 0.4
  752. 30.71 s gammaloop-nextest-python-api> [...]
  753. 30.71 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.431] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  754. 30.71 s gammaloop-nextest-python-api> The application panicked (crashed).
  755. 30.71 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  756. 30.71 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  757. 30.71 s gammaloop-nextest-python-api>
  758. 30.71 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  759. 30.71 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  760. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  761. 30.71 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  762. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  763. 30.71 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  764. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  765. 30.71 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  766. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  767. 30.71 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  768. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  769. 30.71 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  770. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  771. 30.71 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  772. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  773. 30.71 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  774. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  775. 30.71 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  776. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  777. 30.71 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#4}>>>::from_iter<unknown>
  778. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  779. 30.71 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  780. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  781. 30.71 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  782. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  783. 30.71 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  784. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  785. 30.71 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  786. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  787. 30.71 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  788. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  789. 30.71 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  790. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  791. 30.71 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  792. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  793. 30.71 s gammaloop-nextest-python-api> 18: 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>
  794. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  795. 30.71 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  796. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  797. 30.71 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  798. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  799. 30.71 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  800. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  801. 30.71 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  802. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  803. 30.71 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  804. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  805. 30.71 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  806. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  807. 30.71 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  808. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  809. 30.71 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  810. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  811. 30.71 s gammaloop-nextest-python-api> 27: _start<unknown>
  812. 30.71 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  813. 30.71 s gammaloop-nextest-python-api>
  814. 30.71 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  815. 30.71 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  816. 30.71 s gammaloop-nextest-python-api> Traceback (most recent call last):
  817. 30.71 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  818. 30.71 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  819. 30.71 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  820. 30.71 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  821. 30.71 s gammaloop-nextest-python-api>
  822. 30.71 s gammaloop-nextest-python-api>
  823. 30.71 s gammaloop-nextest-python-api> Location:
  824. 30.71 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  825. 30.71 s gammaloop-nextest-python-api>
  826. 30.72 s gammaloop-nextest-python-api> error: test run failed
  827. 30.75 s gammaloop-nextest-python-api>
  828. 30.75 s gammaloop-nextest-python-api> ========== nextest test summary ==========
  829. 30.75 s gammaloop-nextest-python-api> report: target/nextest/ci_gammaloop/junit.xml
  830. 30.75 s gammaloop-nextest-python-api> tests: 5, failures: 3, errors: 0
  831. 30.75 s gammaloop-nextest-python-api>
  832. 30.75 s gammaloop-nextest-python-api> 1. gammaloop-integration-tests::test_python_api::python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  833. 30.75 s gammaloop-nextest-python-api> failure: test failure with exit code 101
  834. 30.75 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  835. 30.75 s gammaloop-nextest-python-api> stdout:
  836. 30.75 s gammaloop-nextest-python-api>
  837. 30.75 s gammaloop-nextest-python-api> stderr:
  838. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.988] @gammaloop_api::se... INFO : Running command import model sm-default
  839. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.988] @import::model INFO : Loading built-in JSON model sm-default
  840. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  841. 30.75 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  842. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  843. 30.75 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-)
  844. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  845. 30.75 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
  846. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.021] @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]}}'
  847. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.022] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  848. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.022] @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
  849. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.024] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  850. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  851. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  852. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  853. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  854. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  855. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  856. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  857. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  858. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.029] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  859. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.126] @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)
  860. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.126] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  861. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.127] @commands::generate INFO : Generated cross-section 2 graphs.
  862. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.127] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  863. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.127] @gammaloop_api::se... INFO : Running command generate
  864. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.432] @commands::generate INFO :
  865. 30.75 s gammaloop-nextest-python-api> Integrand generation summary
  866. 30.75 s gammaloop-nextest-python-api> peak RAM 106.50 MiB | cores 1
  867. 30.75 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  868. 30.75 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  869. 30.75 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  870. 30.75 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 39ms (45%) │ 22ms (25%) │ 26ms (30%) │ 0ms (0.00%) │
  871. 30.75 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (33%) │ 68ms (37%) │ 0ms (0.00%) │
  872. 30.75 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  873. 30.75 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 97ms (35%) │ 83ms (30%) │ 94ms (34%) │ 0ms (0.00%) │
  874. 30.75 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  875. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.433] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  876. 30.75 s gammaloop-nextest-python-api> The application panicked (crashed).
  877. 30.75 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  878. 30.75 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  879. 30.75 s gammaloop-nextest-python-api>
  880. 30.75 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  881. 30.75 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  882. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  883. 30.75 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  884. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  885. 30.75 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  886. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  887. 30.75 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  888. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  889. 30.75 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  890. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  891. 30.75 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  892. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  893. 30.75 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  894. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  895. 30.75 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  896. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  897. 30.75 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  898. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  899. 30.75 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#4}>>>::from_iter<unknown>
  900. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  901. 30.75 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  902. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  903. 30.75 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  904. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  905. 30.75 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  906. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  907. 30.75 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  908. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  909. 30.75 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  910. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  911. 30.75 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  912. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  913. 30.75 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  914. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  915. 30.75 s gammaloop-nextest-python-api> 18: 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>
  916. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  917. 30.75 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  918. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  919. 30.75 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  920. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  921. 30.75 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  922. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  923. 30.75 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  924. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  925. 30.75 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  926. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  927. 30.75 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  928. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  929. 30.75 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  930. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  931. 30.75 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  932. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  933. 30.75 s gammaloop-nextest-python-api> 27: _start<unknown>
  934. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  935. 30.75 s gammaloop-nextest-python-api>
  936. 30.75 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  937. 30.75 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  938. 30.75 s gammaloop-nextest-python-api> Traceback (most recent call last):
  939. 30.75 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  940. 30.75 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  941. 30.75 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  942. 30.75 s gammaloop-nextest-python-api>
  943. 30.75 s gammaloop-nextest-python-api>
  944. 30.75 s gammaloop-nextest-python-api> Location:
  945. 30.75 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  946. 30.75 s gammaloop-nextest-python-api> system-out
  947. 30.75 s gammaloop-nextest-python-api> running 1 test
  948. 30.75 s gammaloop-nextest-python-api> test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  949. 30.75 s gammaloop-nextest-python-api>
  950. 30.75 s gammaloop-nextest-python-api> failures:
  951. 30.75 s gammaloop-nextest-python-api>
  952. 30.75 s gammaloop-nextest-python-api> failures:
  953. 30.75 s gammaloop-nextest-python-api> python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  954. 30.75 s gammaloop-nextest-python-api>
  955. 30.75 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.53s
  956. 30.75 s gammaloop-nextest-python-api> system-err
  957. 30.75 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  958. 30.75 s gammaloop-nextest-python-api> stdout:
  959. 30.75 s gammaloop-nextest-python-api>
  960. 30.75 s gammaloop-nextest-python-api> stderr:
  961. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.988] @gammaloop_api::se... INFO : Running command import model sm-default
  962. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.988] @import::model INFO : Loading built-in JSON model sm-default
  963. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  964. 30.75 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  965. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  966. 30.75 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-)
  967. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  968. 30.75 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
  969. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.021] @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]}}'
  970. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.022] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  971. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.022] @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
  972. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.024] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  973. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  974. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  975. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  976. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  977. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  978. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  979. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  980. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  981. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.029] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  982. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.126] @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)
  983. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.126] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  984. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.127] @commands::generate INFO : Generated cross-section 2 graphs.
  985. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.127] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  986. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.127] @gammaloop_api::se... INFO : Running command generate
  987. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.432] @commands::generate INFO :
  988. 30.75 s gammaloop-nextest-python-api> Integrand generation summary
  989. 30.75 s gammaloop-nextest-python-api> peak RAM 106.50 MiB | cores 1
  990. 30.75 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  991. 30.75 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  992. 30.75 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  993. 30.75 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 39ms (45%) │ 22ms (25%) │ 26ms (30%) │ 0ms (0.00%) │
  994. 30.75 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (33%) │ 68ms (37%) │ 0ms (0.00%) │
  995. 30.75 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  996. 30.75 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 97ms (35%) │ 83ms (30%) │ 94ms (34%) │ 0ms (0.00%) │
  997. 30.75 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  998. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.433] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  999. 30.75 s gammaloop-nextest-python-api> The application panicked (crashed).
  1000. 30.75 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1001. 30.75 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1002. 30.75 s gammaloop-nextest-python-api>
  1003. 30.75 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1004. 30.75 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1005. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1006. 30.75 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1007. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1008. 30.75 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1009. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1010. 30.75 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1011. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1012. 30.75 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1013. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1014. 30.75 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1015. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1016. 30.75 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1017. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1018. 30.75 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1019. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1020. 30.75 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  1021. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1022. 30.75 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#4}>>>::from_iter<unknown>
  1023. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1024. 30.75 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1025. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1026. 30.75 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1027. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1028. 30.75 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1029. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1030. 30.75 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1031. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1032. 30.75 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1033. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1034. 30.75 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1035. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1036. 30.75 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1037. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1038. 30.75 s gammaloop-nextest-python-api> 18: 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>
  1039. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1040. 30.75 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1041. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1042. 30.75 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1043. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1044. 30.75 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  1045. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1046. 30.75 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  1047. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1048. 30.75 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  1049. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1050. 30.75 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  1051. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1052. 30.75 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  1053. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1054. 30.75 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  1055. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1056. 30.75 s gammaloop-nextest-python-api> 27: _start<unknown>
  1057. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1058. 30.75 s gammaloop-nextest-python-api>
  1059. 30.75 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1060. 30.75 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1061. 30.75 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1062. 30.75 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  1063. 30.75 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  1064. 30.75 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1065. 30.75 s gammaloop-nextest-python-api>
  1066. 30.75 s gammaloop-nextest-python-api>
  1067. 30.75 s gammaloop-nextest-python-api> Location:
  1068. 30.75 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1069. 30.75 s gammaloop-nextest-python-api>
  1070. 30.75 s gammaloop-nextest-python-api> 2. gammaloop-integration-tests::test_python_api::python_evaluate_sample_honors_generate_events_and_observable_snapshots
  1071. 30.75 s gammaloop-nextest-python-api> failure: test failure with exit code 101
  1072. 30.75 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1073. 30.75 s gammaloop-nextest-python-api> stdout:
  1074. 30.75 s gammaloop-nextest-python-api>
  1075. 30.75 s gammaloop-nextest-python-api> stderr:
  1076. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.988] @gammaloop_api::se... INFO : Running command import model sm-default
  1077. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.988] @import::model INFO : Loading built-in JSON model sm-default
  1078. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1079. 30.75 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1080. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1081. 30.75 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-)
  1082. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1083. 30.75 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
  1084. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.019] @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]}}'
  1085. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.019] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1086. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.020] @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
  1087. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.022] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1088. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1089. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1090. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1091. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1092. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1093. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1094. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1095. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1096. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1097. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.125] @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)
  1098. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.125] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1099. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.125] @commands::generate INFO : Generated cross-section 2 graphs.
  1100. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.125] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1101. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.126] @gammaloop_api::se... INFO : Running command generate
  1102. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.431] @commands::generate INFO :
  1103. 30.75 s gammaloop-nextest-python-api> Integrand generation summary
  1104. 30.75 s gammaloop-nextest-python-api> peak RAM 106.16 MiB | cores 1
  1105. 30.75 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1106. 30.75 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1107. 30.75 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1108. 30.75 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  1109. 30.75 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 58ms (31%) │ 60ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  1110. 30.75 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1111. 30.75 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 99ms (36%) │ 81ms (30%) │ 92ms (34%) │ 0ms (0.00%) │
  1112. 30.75 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1113. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.432] @gammaloop_api::se... INFO : Running command set process string '
  1114. 30.75 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  1115. 30.75 s gammaloop-nextest-python-api> type = "jet"
  1116. 30.75 s gammaloop-nextest-python-api> quantity = "PT"
  1117. 30.75 s gammaloop-nextest-python-api> dR = 0.4
  1118. 30.75 s gammaloop-nextest-python-api> [...]
  1119. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.433] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  1120. 30.75 s gammaloop-nextest-python-api> The application panicked (crashed).
  1121. 30.75 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1122. 30.75 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1123. 30.75 s gammaloop-nextest-python-api>
  1124. 30.75 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1125. 30.75 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1126. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1127. 30.75 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1128. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1129. 30.75 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1130. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1131. 30.75 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1132. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1133. 30.75 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1134. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1135. 30.75 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1136. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1137. 30.75 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1138. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1139. 30.75 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1140. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1141. 30.75 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  1142. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1143. 30.75 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#4}>>>::from_iter<unknown>
  1144. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1145. 30.75 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1146. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1147. 30.75 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1148. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1149. 30.75 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1150. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1151. 30.75 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1152. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1153. 30.75 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1154. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1155. 30.75 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1156. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1157. 30.75 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1158. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1159. 30.75 s gammaloop-nextest-python-api> 18: 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>
  1160. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1161. 30.75 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1162. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1163. 30.75 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1164. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1165. 30.75 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  1166. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1167. 30.75 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  1168. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1169. 30.75 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  1170. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1171. 30.75 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  1172. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1173. 30.75 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  1174. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1175. 30.75 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  1176. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1177. 30.75 s gammaloop-nextest-python-api> 27: _start<unknown>
  1178. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1179. 30.75 s gammaloop-nextest-python-api>
  1180. 30.75 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1181. 30.75 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1182. 30.75 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1183. 30.75 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  1184. 30.75 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  1185. 30.75 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  1186. 30.75 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1187. 30.75 s gammaloop-nextest-python-api>
  1188. 30.75 s gammaloop-nextest-python-api>
  1189. 30.75 s gammaloop-nextest-python-api> Location:
  1190. 30.75 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1191. 30.75 s gammaloop-nextest-python-api> system-out
  1192. 30.75 s gammaloop-nextest-python-api> running 1 test
  1193. 30.75 s gammaloop-nextest-python-api> test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  1194. 30.75 s gammaloop-nextest-python-api>
  1195. 30.75 s gammaloop-nextest-python-api> failures:
  1196. 30.75 s gammaloop-nextest-python-api>
  1197. 30.75 s gammaloop-nextest-python-api> failures:
  1198. 30.75 s gammaloop-nextest-python-api> python_evaluate_sample_honors_generate_events_and_observable_snapshots
  1199. 30.75 s gammaloop-nextest-python-api>
  1200. 30.75 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.53s
  1201. 30.75 s gammaloop-nextest-python-api> system-err
  1202. 30.75 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1203. 30.75 s gammaloop-nextest-python-api> stdout:
  1204. 30.75 s gammaloop-nextest-python-api>
  1205. 30.75 s gammaloop-nextest-python-api> stderr:
  1206. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.988] @gammaloop_api::se... INFO : Running command import model sm-default
  1207. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.988] @import::model INFO : Loading built-in JSON model sm-default
  1208. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1209. 30.75 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1210. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1211. 30.75 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-)
  1212. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1213. 30.75 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
  1214. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.019] @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]}}'
  1215. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.019] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1216. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.020] @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
  1217. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.022] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1218. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1219. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1220. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1221. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1222. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1223. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1224. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1225. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1226. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1227. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.125] @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)
  1228. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.125] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1229. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.125] @commands::generate INFO : Generated cross-section 2 graphs.
  1230. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.125] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1231. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.126] @gammaloop_api::se... INFO : Running command generate
  1232. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.431] @commands::generate INFO :
  1233. 30.75 s gammaloop-nextest-python-api> Integrand generation summary
  1234. 30.75 s gammaloop-nextest-python-api> peak RAM 106.16 MiB | cores 1
  1235. 30.75 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1236. 30.75 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1237. 30.75 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1238. 30.75 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  1239. 30.75 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 58ms (31%) │ 60ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  1240. 30.75 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1241. 30.75 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 99ms (36%) │ 81ms (30%) │ 92ms (34%) │ 0ms (0.00%) │
  1242. 30.75 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1243. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.432] @gammaloop_api::se... INFO : Running command set process string '
  1244. 30.75 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  1245. 30.75 s gammaloop-nextest-python-api> type = "jet"
  1246. 30.75 s gammaloop-nextest-python-api> quantity = "PT"
  1247. 30.75 s gammaloop-nextest-python-api> dR = 0.4
  1248. 30.75 s gammaloop-nextest-python-api> [...]
  1249. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.433] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  1250. 30.75 s gammaloop-nextest-python-api> The application panicked (crashed).
  1251. 30.75 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1252. 30.75 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1253. 30.75 s gammaloop-nextest-python-api>
  1254. 30.75 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1255. 30.75 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1256. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1257. 30.75 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1258. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1259. 30.75 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1260. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1261. 30.75 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1262. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1263. 30.75 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1264. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1265. 30.75 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1266. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1267. 30.75 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1268. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1269. 30.75 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1270. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1271. 30.75 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  1272. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1273. 30.75 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#4}>>>::from_iter<unknown>
  1274. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1275. 30.75 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1276. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1277. 30.75 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1278. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1279. 30.75 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1280. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1281. 30.75 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1282. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1283. 30.75 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1284. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1285. 30.75 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1286. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1287. 30.75 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1288. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1289. 30.75 s gammaloop-nextest-python-api> 18: 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>
  1290. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1291. 30.75 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1292. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1293. 30.75 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1294. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1295. 30.75 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  1296. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1297. 30.75 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  1298. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1299. 30.75 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  1300. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1301. 30.75 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  1302. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1303. 30.75 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  1304. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1305. 30.75 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  1306. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1307. 30.75 s gammaloop-nextest-python-api> 27: _start<unknown>
  1308. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1309. 30.75 s gammaloop-nextest-python-api>
  1310. 30.75 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1311. 30.75 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1312. 30.75 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1313. 30.75 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  1314. 30.75 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  1315. 30.75 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  1316. 30.75 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1317. 30.75 s gammaloop-nextest-python-api>
  1318. 30.75 s gammaloop-nextest-python-api>
  1319. 30.75 s gammaloop-nextest-python-api> Location:
  1320. 30.75 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1321. 30.75 s gammaloop-nextest-python-api>
  1322. 30.75 s gammaloop-nextest-python-api> 3. gammaloop-integration-tests::test_python_api::python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1323. 30.75 s gammaloop-nextest-python-api> failure: test failure with exit code 101
  1324. 30.75 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1325. 30.75 s gammaloop-nextest-python-api> stdout:
  1326. 30.75 s gammaloop-nextest-python-api>
  1327. 30.75 s gammaloop-nextest-python-api> stderr:
  1328. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.990] @gammaloop_api::se... INFO : Running command import model sm-default
  1329. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.990] @import::model INFO : Loading built-in JSON model sm-default
  1330. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1331. 30.75 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1332. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1333. 30.75 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-)
  1334. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1335. 30.75 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
  1336. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.020] @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]}}'
  1337. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.021] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1338. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.022] @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
  1339. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.023] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1340. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1341. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1342. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1343. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1344. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1345. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1346. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1347. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1348. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1349. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.124] @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)
  1350. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.124] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1351. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.124] @commands::generate INFO : Generated cross-section 2 graphs.
  1352. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.125] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1353. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.126] @gammaloop_api::se... INFO : Running command generate
  1354. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.429] @commands::generate INFO :
  1355. 30.75 s gammaloop-nextest-python-api> Integrand generation summary
  1356. 30.75 s gammaloop-nextest-python-api> peak RAM 104.43 MiB | cores 1
  1357. 30.75 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1358. 30.75 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1359. 30.75 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1360. 30.75 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 39ms (47%) │ 21ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  1361. 30.75 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 59ms (30%) │ 64ms (33%) │ 73ms (37%) │ 0ms (0.00%) │
  1362. 30.75 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1363. 30.75 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 98ms (35%) │ 85ms (30%) │ 96ms (34%) │ 0ms (0.00%) │
  1364. 30.75 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1365. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.430] @gammaloop_api::se... INFO : Running command set process string '
  1366. 30.75 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  1367. 30.75 s gammaloop-nextest-python-api> type = "jet"
  1368. 30.75 s gammaloop-nextest-python-api> quantity = "PT"
  1369. 30.75 s gammaloop-nextest-python-api> dR = 0.4
  1370. 30.75 s gammaloop-nextest-python-api> [...]
  1371. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.431] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  1372. 30.75 s gammaloop-nextest-python-api> The application panicked (crashed).
  1373. 30.75 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1374. 30.75 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1375. 30.75 s gammaloop-nextest-python-api>
  1376. 30.75 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1377. 30.75 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1378. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1379. 30.75 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1380. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1381. 30.75 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1382. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1383. 30.75 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1384. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1385. 30.75 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1386. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1387. 30.75 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1388. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1389. 30.75 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1390. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1391. 30.75 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1392. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1393. 30.75 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  1394. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1395. 30.75 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#4}>>>::from_iter<unknown>
  1396. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1397. 30.75 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1398. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1399. 30.75 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1400. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1401. 30.75 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1402. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1403. 30.75 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1404. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1405. 30.75 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  1406. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1407. 30.75 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  1408. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1409. 30.75 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1410. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1411. 30.75 s gammaloop-nextest-python-api> 18: 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>
  1412. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1413. 30.75 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1414. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1415. 30.75 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1416. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1417. 30.75 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  1418. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1419. 30.75 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  1420. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1421. 30.75 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  1422. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1423. 30.75 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  1424. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1425. 30.75 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  1426. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1427. 30.75 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  1428. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1429. 30.75 s gammaloop-nextest-python-api> 27: _start<unknown>
  1430. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1431. 30.75 s gammaloop-nextest-python-api>
  1432. 30.75 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1433. 30.75 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1434. 30.75 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1435. 30.75 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  1436. 30.75 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  1437. 30.75 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  1438. 30.75 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1439. 30.75 s gammaloop-nextest-python-api>
  1440. 30.75 s gammaloop-nextest-python-api>
  1441. 30.75 s gammaloop-nextest-python-api> Location:
  1442. 30.75 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1443. 30.75 s gammaloop-nextest-python-api> system-out
  1444. 30.75 s gammaloop-nextest-python-api> running 1 test
  1445. 30.75 s gammaloop-nextest-python-api> test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  1446. 30.75 s gammaloop-nextest-python-api>
  1447. 30.75 s gammaloop-nextest-python-api> failures:
  1448. 30.75 s gammaloop-nextest-python-api>
  1449. 30.75 s gammaloop-nextest-python-api> failures:
  1450. 30.75 s gammaloop-nextest-python-api> python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1451. 30.75 s gammaloop-nextest-python-api>
  1452. 30.75 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.65s
  1453. 30.75 s gammaloop-nextest-python-api> system-err
  1454. 30.75 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1455. 30.75 s gammaloop-nextest-python-api> stdout:
  1456. 30.75 s gammaloop-nextest-python-api>
  1457. 30.75 s gammaloop-nextest-python-api> stderr:
  1458. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.990] @gammaloop_api::se... INFO : Running command import model sm-default
  1459. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:31.990] @import::model INFO : Loading built-in JSON model sm-default
  1460. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1461. 30.75 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1462. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1463. 30.75 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-)
  1464. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1465. 30.75 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
  1466. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.020] @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]}}'
  1467. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.021] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1468. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.022] @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
  1469. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.023] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1470. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1471. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1472. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1473. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1474. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1475. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1476. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1477. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1478. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1479. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.124] @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)
  1480. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.124] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1481. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.124] @commands::generate INFO : Generated cross-section 2 graphs.
  1482. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.125] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1483. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.126] @gammaloop_api::se... INFO : Running command generate
  1484. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.429] @commands::generate INFO :
  1485. 30.75 s gammaloop-nextest-python-api> Integrand generation summary
  1486. 30.75 s gammaloop-nextest-python-api> peak RAM 104.43 MiB | cores 1
  1487. 30.75 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1488. 30.75 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1489. 30.75 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1490. 30.75 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 39ms (47%) │ 21ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  1491. 30.75 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 59ms (30%) │ 64ms (33%) │ 73ms (37%) │ 0ms (0.00%) │
  1492. 30.75 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1493. 30.75 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 98ms (35%) │ 85ms (30%) │ 96ms (34%) │ 0ms (0.00%) │
  1494. 30.75 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1495. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.430] @gammaloop_api::se... INFO : Running command set process string '
  1496. 30.75 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  1497. 30.75 s gammaloop-nextest-python-api> type = "jet"
  1498. 30.75 s gammaloop-nextest-python-api> quantity = "PT"
  1499. 30.75 s gammaloop-nextest-python-api> dR = 0.4
  1500. 30.75 s gammaloop-nextest-python-api> [...]
  1501. 30.75 s gammaloop-nextest-python-api> [2026-09-14 05:18:32.431] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  1502. 30.75 s gammaloop-nextest-python-api> The application panicked (crashed).
  1503. 30.75 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1504. 30.75 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1505. 30.75 s gammaloop-nextest-python-api>
  1506. 30.75 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1507. 30.75 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1508. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1509. 30.75 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1510. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1511. 30.75 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1512. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1513. 30.75 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1514. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1515. 30.75 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1516. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1517. 30.75 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1518. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1519. 30.75 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1520. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1521. 30.75 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1522. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1523. 30.75 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  1524. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1525. 30.75 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#4}>>>::from_iter<unknown>
  1526. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1527. 30.75 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1528. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1529. 30.75 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1530. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1531. 30.75 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1532. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1533. 30.75 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1534. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1535. 30.75 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  1536. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1537. 30.75 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  1538. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1539. 30.75 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1540. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1541. 30.75 s gammaloop-nextest-python-api> 18: 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>
  1542. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1543. 30.75 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1544. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1545. 30.75 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1546. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1547. 30.75 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  1548. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1549. 30.75 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  1550. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1551. 30.75 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  1552. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1553. 30.75 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  1554. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1555. 30.75 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  1556. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1557. 30.75 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  1558. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1559. 30.75 s gammaloop-nextest-python-api> 27: _start<unknown>
  1560. 30.75 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1561. 30.75 s gammaloop-nextest-python-api>
  1562. 30.75 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1563. 30.75 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1564. 30.75 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1565. 30.75 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  1566. 30.75 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  1567. 30.75 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  1568. 30.75 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1569. 30.75 s gammaloop-nextest-python-api>
  1570. 30.75 s gammaloop-nextest-python-api>
  1571. 30.75 s gammaloop-nextest-python-api> Location:
  1572. 30.75 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1573. 30.75 s gammaloop-nextest-python-api> =========================================
  1574. 30.80 s error: Cannot build '/nix/store/66j1x39543kg5dqis2p8an918rhhgklr-gammaloop-nextest-python-api.drv'.
  1575. 30.80 s Reason: builder failed with exit code 100.
  1576. 30.80 s Output paths:
  1577. 30.80 s /nix/store/s33y7x5hwksga696cp2gw27rj28q8ak2-gammaloop-nextest-python-api
  1578. 30.80 s Last 1545 log lines:
  1579. 30.80 s > Extracting 1 binary, 1 build script output directory, and 3 linked paths to /build/nextest-archive-ypJe6I
  1580. 30.80 s > Extracted 18 files to /build/nextest-archive-ypJe6I in 0.08s
  1581. 30.80 s > ------------
  1582. 30.80 s > Nextest run ID 50931996-a83d-4fbe-a663-15b57ec792be with nextest profile: ci_gammaloop
  1583. 30.80 s > Starting 5 tests across 1 binary
  1584. 30.80 s > FAIL [ 0.539s] (3/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1585. 30.80 s > stdout ---
  1586. 30.80 s >
  1587. 30.80 s > running 1 test
  1588. 30.80 s > test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  1589. 30.80 s >
  1590. 30.80 s > failures:
  1591. 30.80 s >
  1592. 30.80 s > failures:
  1593. 30.80 s > python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1594. 30.80 s >
  1595. 30.80 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.53s
  1596. 30.80 s >
  1597. 30.80 s > stderr ---
  1598. 30.80 s > Error: Python API test subprocess failed.
  1599. 30.80 s > stdout:
  1600. 30.80 s >
  1601. 30.80 s > stderr:
  1602. 30.80 s > [2026-09-14 05:18:31.988] @gammaloop_api::se... INFO : Running command import model sm-default
  1603. 30.80 s > [2026-09-14 05:18:31.988] @import::model INFO : Loading built-in JSON model sm-default
  1604. 30.80 s > [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1605. 30.80 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1606. 30.80 s > [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1607. 30.80 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-)
  1608. 30.80 s > [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1609. 30.80 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
  1610. 30.80 s > [2026-09-14 05:18:32.021] @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]}}'
  1611. 30.80 s > [2026-09-14 05:18:32.022] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1612. 30.80 s > [2026-09-14 05:18:32.022] @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
  1613. 30.80 s > [2026-09-14 05:18:32.024] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1614. 30.80 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1615. 30.80 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1616. 30.80 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1617. 30.80 s > [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1618. 30.80 s > [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1619. 30.80 s > [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1620. 30.80 s > [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1621. 30.80 s > [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1622. 30.80 s > [2026-09-14 05:18:32.029] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1623. 30.80 s > [2026-09-14 05:18:32.126] @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)
  1624. 30.80 s > [2026-09-14 05:18:32.126] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1625. 30.80 s > [2026-09-14 05:18:32.127] @commands::generate INFO : Generated cross-section 2 graphs.
  1626. 30.80 s > [2026-09-14 05:18:32.127] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1627. 30.80 s > [2026-09-14 05:18:32.127] @gammaloop_api::se... INFO : Running command generate
  1628. 30.80 s > [2026-09-14 05:18:32.432] @commands::generate INFO :
  1629. 30.80 s > Integrand generation summary
  1630. 30.80 s > peak RAM 106.50 MiB | cores 1
  1631. 30.80 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1632. 30.80 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1633. 30.80 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1634. 30.80 s > │ default │ GL0 │ 3 │ 39ms (45%) │ 22ms (25%) │ 26ms (30%) │ 0ms (0.00%) │
  1635. 30.80 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (33%) │ 68ms (37%) │ 0ms (0.00%) │
  1636. 30.80 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1637. 30.80 s > │ Total │ │ 8 │ 97ms (35%) │ 83ms (30%) │ 94ms (34%) │ 0ms (0.00%) │
  1638. 30.80 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1639. 30.80 s > [2026-09-14 05:18:32.433] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  1640. 30.80 s > The application panicked (crashed).
  1641. 30.80 s > Message: index out of bounds: the len is 0 but the index is 0
  1642. 30.80 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1643. 30.80 s >
  1644. 30.80 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1645. 30.80 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1646. 30.80 s > at <unknown source file>:<unknown line>
  1647. 30.80 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1648. 30.80 s > at <unknown source file>:<unknown line>
  1649. 30.80 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1650. 30.80 s > at <unknown source file>:<unknown line>
  1651. 30.80 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1652. 30.80 s > at <unknown source file>:<unknown line>
  1653. 30.80 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1654. 30.80 s > at <unknown source file>:<unknown line>
  1655. 30.80 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1656. 30.80 s > at <unknown source file>:<unknown line>
  1657. 30.80 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1658. 30.80 s > at <unknown source file>:<unknown line>
  1659. 30.80 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1660. 30.80 s > at <unknown source file>:<unknown line>
  1661. 30.80 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  1662. 30.80 s > at <unknown source file>:<unknown line>
  1663. 30.80 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#4}>>>::from_iter<unknown>
  1664. 30.80 s > at <unknown source file>:<unknown line>
  1665. 30.80 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1666. 30.80 s > at <unknown source file>:<unknown line>
  1667. 30.80 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1668. 30.80 s > at <unknown source file>:<unknown line>
  1669. 30.80 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1670. 30.80 s > at <unknown source file>:<unknown line>
  1671. 30.80 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1672. 30.80 s > at <unknown source file>:<unknown line>
  1673. 30.80 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1674. 30.80 s > at <unknown source file>:<unknown line>
  1675. 30.80 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1676. 30.80 s > at <unknown source file>:<unknown line>
  1677. 30.80 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1678. 30.80 s > at <unknown source file>:<unknown line>
  1679. 30.80 s > 18: 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>
  1680. 30.80 s > at <unknown source file>:<unknown line>
  1681. 30.80 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1682. 30.80 s > at <unknown source file>:<unknown line>
  1683. 30.80 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1684. 30.80 s > at <unknown source file>:<unknown line>
  1685. 30.80 s > 21: PyEval_EvalCode.localalias<unknown>
  1686. 30.80 s > at <unknown source file>:<unknown line>
  1687. 30.80 s > 22: run_eval_code_obj<unknown>
  1688. 30.80 s > at <unknown source file>:<unknown line>
  1689. 30.80 s > 23: run_mod<unknown>
  1690. 30.80 s > at <unknown source file>:<unknown line>
  1691. 30.80 s > 24: Py_RunMain.localalias<unknown>
  1692. 30.80 s > at <unknown source file>:<unknown line>
  1693. 30.80 s > 25: __libc_start_call_main<unknown>
  1694. 30.80 s > at <unknown source file>:<unknown line>
  1695. 30.80 s > 26: __libc_start_main_alias_2<unknown>
  1696. 30.80 s > at <unknown source file>:<unknown line>
  1697. 30.80 s > 27: _start<unknown>
  1698. 30.80 s > at <unknown source file>:<unknown line>
  1699. 30.80 s >
  1700. 30.80 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1701. 30.80 s > Run with RUST_BACKTRACE=full to include source snippets.
  1702. 30.80 s > Traceback (most recent call last):
  1703. 30.80 s > File "<string>", line 78, in <module>
  1704. 30.80 s > result = api.evaluate_sample(point)
  1705. 30.80 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1706. 30.80 s >
  1707. 30.80 s >
  1708. 30.80 s > Location:
  1709. 30.80 s > tests/tests/test_python_api.rs:156:20
  1710. 30.80 s >
  1711. 30.80 s > FAIL [ 0.539s] (4/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  1712. 30.80 s > stdout ---
  1713. 30.80 s >
  1714. 30.80 s > running 1 test
  1715. 30.80 s > test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  1716. 30.80 s >
  1717. 30.80 s > failures:
  1718. 30.80 s >
  1719. 30.80 s > failures:
  1720. 30.80 s > python_evaluate_sample_honors_generate_events_and_observable_snapshots
  1721. 30.80 s >
  1722. 30.80 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.53s
  1723. 30.80 s >
  1724. 30.80 s > stderr ---
  1725. 30.80 s > Error: Python API test subprocess failed.
  1726. 30.80 s > stdout:
  1727. 30.80 s >
  1728. 30.80 s > stderr:
  1729. 30.80 s > [2026-09-14 05:18:31.988] @gammaloop_api::se... INFO : Running command import model sm-default
  1730. 30.80 s > [2026-09-14 05:18:31.988] @import::model INFO : Loading built-in JSON model sm-default
  1731. 30.80 s > [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1732. 30.80 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1733. 30.80 s > [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1734. 30.80 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-)
  1735. 30.80 s > [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1736. 30.80 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
  1737. 30.80 s > [2026-09-14 05:18:32.019] @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]}}'
  1738. 30.80 s > [2026-09-14 05:18:32.019] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1739. 30.80 s > [2026-09-14 05:18:32.020] @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
  1740. 30.80 s > [2026-09-14 05:18:32.022] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1741. 30.80 s > [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1742. 30.80 s > [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1743. 30.80 s > [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1744. 30.80 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1745. 30.80 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1746. 30.80 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1747. 30.80 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1748. 30.80 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1749. 30.80 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1750. 30.80 s > [2026-09-14 05:18:32.125] @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)
  1751. 30.80 s > [2026-09-14 05:18:32.125] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1752. 30.80 s > [2026-09-14 05:18:32.125] @commands::generate INFO : Generated cross-section 2 graphs.
  1753. 30.80 s > [2026-09-14 05:18:32.125] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1754. 30.80 s > [2026-09-14 05:18:32.126] @gammaloop_api::se... INFO : Running command generate
  1755. 30.80 s > [2026-09-14 05:18:32.431] @commands::generate INFO :
  1756. 30.80 s > Integrand generation summary
  1757. 30.80 s > peak RAM 106.16 MiB | cores 1
  1758. 30.80 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1759. 30.80 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1760. 30.80 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1761. 30.80 s > │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  1762. 30.80 s > │ default │ GL2 │ 5 │ 58ms (31%) │ 60ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  1763. 30.80 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1764. 30.80 s > │ Total │ │ 8 │ 99ms (36%) │ 81ms (30%) │ 92ms (34%) │ 0ms (0.00%) │
  1765. 30.80 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1766. 30.80 s > [2026-09-14 05:18:32.432] @gammaloop_api::se... INFO : Running command set process string '
  1767. 30.80 s > [quantities.leading_jet_pt]
  1768. 30.80 s > type = "jet"
  1769. 30.80 s > quantity = "PT"
  1770. 30.80 s > dR = 0.4
  1771. 30.80 s > [...]
  1772. 30.80 s > [2026-09-14 05:18:32.433] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  1773. 30.80 s > The application panicked (crashed).
  1774. 30.80 s > Message: index out of bounds: the len is 0 but the index is 0
  1775. 30.80 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1776. 30.80 s >
  1777. 30.80 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1778. 30.80 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1779. 30.80 s > at <unknown source file>:<unknown line>
  1780. 30.80 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1781. 30.80 s > at <unknown source file>:<unknown line>
  1782. 30.80 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1783. 30.80 s > at <unknown source file>:<unknown line>
  1784. 30.80 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1785. 30.80 s > at <unknown source file>:<unknown line>
  1786. 30.80 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1787. 30.80 s > at <unknown source file>:<unknown line>
  1788. 30.80 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1789. 30.80 s > at <unknown source file>:<unknown line>
  1790. 30.80 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1791. 30.80 s > at <unknown source file>:<unknown line>
  1792. 30.80 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1793. 30.80 s > at <unknown source file>:<unknown line>
  1794. 30.80 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  1795. 30.80 s > at <unknown source file>:<unknown line>
  1796. 30.80 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#4}>>>::from_iter<unknown>
  1797. 30.80 s > at <unknown source file>:<unknown line>
  1798. 30.80 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1799. 30.80 s > at <unknown source file>:<unknown line>
  1800. 30.80 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1801. 30.80 s > at <unknown source file>:<unknown line>
  1802. 30.80 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1803. 30.80 s > at <unknown source file>:<unknown line>
  1804. 30.80 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1805. 30.80 s > at <unknown source file>:<unknown line>
  1806. 30.80 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1807. 30.80 s > at <unknown source file>:<unknown line>
  1808. 30.80 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1809. 30.80 s > at <unknown source file>:<unknown line>
  1810. 30.80 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1811. 30.80 s > at <unknown source file>:<unknown line>
  1812. 30.80 s > 18: 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>
  1813. 30.80 s > at <unknown source file>:<unknown line>
  1814. 30.80 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1815. 30.80 s > at <unknown source file>:<unknown line>
  1816. 30.80 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1817. 30.80 s > at <unknown source file>:<unknown line>
  1818. 30.80 s > 21: PyEval_EvalCode.localalias<unknown>
  1819. 30.80 s > at <unknown source file>:<unknown line>
  1820. 30.80 s > 22: run_eval_code_obj<unknown>
  1821. 30.80 s > at <unknown source file>:<unknown line>
  1822. 30.80 s > 23: run_mod<unknown>
  1823. 30.80 s > at <unknown source file>:<unknown line>
  1824. 30.80 s > 24: Py_RunMain.localalias<unknown>
  1825. 30.80 s > at <unknown source file>:<unknown line>
  1826. 30.80 s > 25: __libc_start_call_main<unknown>
  1827. 30.80 s > at <unknown source file>:<unknown line>
  1828. 30.80 s > 26: __libc_start_main_alias_2<unknown>
  1829. 30.80 s > at <unknown source file>:<unknown line>
  1830. 30.80 s > 27: _start<unknown>
  1831. 30.80 s > at <unknown source file>:<unknown line>
  1832. 30.80 s >
  1833. 30.80 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1834. 30.80 s > Run with RUST_BACKTRACE=full to include source snippets.
  1835. 30.80 s > Traceback (most recent call last):
  1836. 30.80 s > File "<string>", line 78, in <module>
  1837. 30.80 s > without_events = summarize_result(api.evaluate_sample(point))
  1838. 30.80 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  1839. 30.80 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1840. 30.80 s >
  1841. 30.80 s >
  1842. 30.80 s > Location:
  1843. 30.80 s > tests/tests/test_python_api.rs:156:20
  1844. 30.80 s >
  1845. 30.80 s > FAIL [ 0.659s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1846. 30.80 s > stdout ---
  1847. 30.80 s >
  1848. 30.80 s > running 1 test
  1849. 30.80 s > test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  1850. 30.80 s >
  1851. 30.80 s > failures:
  1852. 30.80 s >
  1853. 30.80 s > failures:
  1854. 30.80 s > python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1855. 30.80 s >
  1856. 30.80 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.65s
  1857. 30.80 s >
  1858. 30.80 s > stderr ---
  1859. 30.80 s > Error: Python API test subprocess failed.
  1860. 30.80 s > stdout:
  1861. 30.80 s >
  1862. 30.80 s > stderr:
  1863. 30.80 s > [2026-09-14 05:18:31.990] @gammaloop_api::se... INFO : Running command import model sm-default
  1864. 30.80 s > [2026-09-14 05:18:31.990] @import::model INFO : Loading built-in JSON model sm-default
  1865. 30.80 s > [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1866. 30.80 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1867. 30.80 s > [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1868. 30.80 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-)
  1869. 30.80 s > [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1870. 30.80 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
  1871. 30.80 s > [2026-09-14 05:18:32.020] @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]}}'
  1872. 30.80 s > [2026-09-14 05:18:32.021] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1873. 30.80 s > [2026-09-14 05:18:32.022] @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
  1874. 30.80 s > [2026-09-14 05:18:32.023] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1875. 30.80 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1876. 30.80 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1877. 30.80 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1878. 30.80 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1879. 30.80 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1880. 30.80 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1881. 30.80 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1882. 30.80 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1883. 30.80 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1884. 30.80 s > [2026-09-14 05:18:32.124] @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)
  1885. 30.80 s > [2026-09-14 05:18:32.124] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1886. 30.80 s > [2026-09-14 05:18:32.124] @commands::generate INFO : Generated cross-section 2 graphs.
  1887. 30.80 s > [2026-09-14 05:18:32.125] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1888. 30.80 s > [2026-09-14 05:18:32.126] @gammaloop_api::se... INFO : Running command generate
  1889. 30.80 s > [2026-09-14 05:18:32.429] @commands::generate INFO :
  1890. 30.80 s > Integrand generation summary
  1891. 30.80 s > peak RAM 104.43 MiB | cores 1
  1892. 30.80 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1893. 30.80 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1894. 30.80 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1895. 30.80 s > │ default │ GL0 │ 3 │ 39ms (47%) │ 21ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  1896. 30.80 s > │ default │ GL2 │ 5 │ 59ms (30%) │ 64ms (33%) │ 73ms (37%) │ 0ms (0.00%) │
  1897. 30.80 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1898. 30.80 s > │ Total │ │ 8 │ 98ms (35%) │ 85ms (30%) │ 96ms (34%) │ 0ms (0.00%) │
  1899. 30.80 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1900. 30.80 s > [2026-09-14 05:18:32.430] @gammaloop_api::se... INFO : Running command set process string '
  1901. 30.80 s > [quantities.leading_jet_pt]
  1902. 30.80 s > type = "jet"
  1903. 30.80 s > quantity = "PT"
  1904. 30.80 s > dR = 0.4
  1905. 30.80 s > [...]
  1906. 30.80 s > [2026-09-14 05:18:32.431] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  1907. 30.80 s > The application panicked (crashed).
  1908. 30.80 s > Message: index out of bounds: the len is 0 but the index is 0
  1909. 30.80 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1910. 30.80 s >
  1911. 30.80 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1912. 30.80 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1913. 30.80 s > at <unknown source file>:<unknown line>
  1914. 30.80 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1915. 30.80 s > at <unknown source file>:<unknown line>
  1916. 30.80 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1917. 30.80 s > at <unknown source file>:<unknown line>
  1918. 30.80 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1919. 30.80 s > at <unknown source file>:<unknown line>
  1920. 30.80 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1921. 30.80 s > at <unknown source file>:<unknown line>
  1922. 30.80 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1923. 30.80 s > at <unknown source file>:<unknown line>
  1924. 30.80 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1925. 30.80 s > at <unknown source file>:<unknown line>
  1926. 30.80 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1927. 30.80 s > at <unknown source file>:<unknown line>
  1928. 30.80 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  1929. 30.80 s > at <unknown source file>:<unknown line>
  1930. 30.80 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#4}>>>::from_iter<unknown>
  1931. 30.80 s > at <unknown source file>:<unknown line>
  1932. 30.80 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1933. 30.80 s > at <unknown source file>:<unknown line>
  1934. 30.80 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1935. 30.80 s > at <unknown source file>:<unknown line>
  1936. 30.80 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1937. 30.80 s > at <unknown source file>:<unknown line>
  1938. 30.80 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1939. 30.80 s > at <unknown source file>:<unknown line>
  1940. 30.80 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  1941. 30.80 s > at <unknown source file>:<unknown line>
  1942. 30.80 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  1943. 30.80 s > at <unknown source file>:<unknown line>
  1944. 30.80 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1945. 30.80 s > at <unknown source file>:<unknown line>
  1946. 30.80 s > 18: 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>
  1947. 30.80 s > at <unknown source file>:<unknown line>
  1948. 30.80 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1949. 30.80 s > at <unknown source file>:<unknown line>
  1950. 30.80 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1951. 30.80 s > at <unknown source file>:<unknown line>
  1952. 30.80 s > 21: PyEval_EvalCode.localalias<unknown>
  1953. 30.80 s > at <unknown source file>:<unknown line>
  1954. 30.80 s > 22: run_eval_code_obj<unknown>
  1955. 30.80 s > at <unknown source file>:<unknown line>
  1956. 30.80 s > 23: run_mod<unknown>
  1957. 30.80 s > at <unknown source file>:<unknown line>
  1958. 30.80 s > 24: Py_RunMain.localalias<unknown>
  1959. 30.80 s > at <unknown source file>:<unknown line>
  1960. 30.80 s > 25: __libc_start_call_main<unknown>
  1961. 30.80 s > at <unknown source file>:<unknown line>
  1962. 30.80 s > 26: __libc_start_main_alias_2<unknown>
  1963. 30.80 s > at <unknown source file>:<unknown line>
  1964. 30.80 s > 27: _start<unknown>
  1965. 30.80 s > at <unknown source file>:<unknown line>
  1966. 30.80 s >
  1967. 30.80 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1968. 30.80 s > Run with RUST_BACKTRACE=full to include source snippets.
  1969. 30.80 s > Traceback (most recent call last):
  1970. 30.80 s > File "<string>", line 85, in <module>
  1971. 30.80 s > batch = summarize_batch_result(api.evaluate_samples(points))
  1972. 30.80 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  1973. 30.80 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1974. 30.80 s >
  1975. 30.80 s >
  1976. 30.80 s > Location:
  1977. 30.80 s > tests/tests/test_python_api.rs:156:20
  1978. 30.80 s >
  1979. 30.80 s > ------------
  1980. 30.80 s > Summary [ 0.660s] 5 tests run: 2 passed, 3 failed, 0 skipped
  1981. 30.80 s > FAIL [ 0.539s] (3/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1982. 30.80 s > stdout ---
  1983. 30.80 s >
  1984. 30.80 s > running 1 test
  1985. 30.80 s > test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  1986. 30.80 s >
  1987. 30.80 s > failures:
  1988. 30.80 s >
  1989. 30.80 s > failures:
  1990. 30.80 s > python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1991. 30.80 s >
  1992. 30.80 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.53s
  1993. 30.80 s >
  1994. 30.80 s > stderr ---
  1995. 30.80 s > Error: Python API test subprocess failed.
  1996. 30.80 s > stdout:
  1997. 30.80 s >
  1998. 30.80 s > stderr:
  1999. 30.80 s > [2026-09-14 05:18:31.988] @gammaloop_api::se... INFO : Running command import model sm-default
  2000. 30.80 s > [2026-09-14 05:18:31.988] @import::model INFO : Loading built-in JSON model sm-default
  2001. 30.80 s > [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2002. 30.80 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2003. 30.80 s > [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2004. 30.80 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-)
  2005. 30.80 s > [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2006. 30.80 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
  2007. 30.80 s > [2026-09-14 05:18:32.021] @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]}}'
  2008. 30.80 s > [2026-09-14 05:18:32.022] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2009. 30.80 s > [2026-09-14 05:18:32.022] @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
  2010. 30.80 s > [2026-09-14 05:18:32.024] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2011. 30.80 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2012. 30.80 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2013. 30.80 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2014. 30.80 s > [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2015. 30.80 s > [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2016. 30.80 s > [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2017. 30.80 s > [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2018. 30.80 s > [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2019. 30.80 s > [2026-09-14 05:18:32.029] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2020. 30.80 s > [2026-09-14 05:18:32.126] @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)
  2021. 30.80 s > [2026-09-14 05:18:32.126] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2022. 30.80 s > [2026-09-14 05:18:32.127] @commands::generate INFO : Generated cross-section 2 graphs.
  2023. 30.80 s > [2026-09-14 05:18:32.127] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2024. 30.80 s > [2026-09-14 05:18:32.127] @gammaloop_api::se... INFO : Running command generate
  2025. 30.80 s > [2026-09-14 05:18:32.432] @commands::generate INFO :
  2026. 30.80 s > Integrand generation summary
  2027. 30.80 s > peak RAM 106.50 MiB | cores 1
  2028. 30.80 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2029. 30.80 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2030. 30.80 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2031. 30.80 s > │ default │ GL0 │ 3 │ 39ms (45%) │ 22ms (25%) │ 26ms (30%) │ 0ms (0.00%) │
  2032. 30.80 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (33%) │ 68ms (37%) │ 0ms (0.00%) │
  2033. 30.80 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2034. 30.80 s > │ Total │ │ 8 │ 97ms (35%) │ 83ms (30%) │ 94ms (34%) │ 0ms (0.00%) │
  2035. 30.80 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2036. 30.80 s > [2026-09-14 05:18:32.433] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  2037. 30.80 s > The application panicked (crashed).
  2038. 30.80 s > Message: index out of bounds: the len is 0 but the index is 0
  2039. 30.80 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2040. 30.80 s >
  2041. 30.80 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2042. 30.80 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2043. 30.80 s > at <unknown source file>:<unknown line>
  2044. 30.80 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2045. 30.80 s > at <unknown source file>:<unknown line>
  2046. 30.80 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2047. 30.80 s > at <unknown source file>:<unknown line>
  2048. 30.80 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2049. 30.80 s > at <unknown source file>:<unknown line>
  2050. 30.80 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2051. 30.80 s > at <unknown source file>:<unknown line>
  2052. 30.80 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2053. 30.80 s > at <unknown source file>:<unknown line>
  2054. 30.80 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2055. 30.80 s > at <unknown source file>:<unknown line>
  2056. 30.80 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2057. 30.80 s > at <unknown source file>:<unknown line>
  2058. 30.80 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  2059. 30.80 s > at <unknown source file>:<unknown line>
  2060. 30.80 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#4}>>>::from_iter<unknown>
  2061. 30.80 s > at <unknown source file>:<unknown line>
  2062. 30.80 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2063. 30.80 s > at <unknown source file>:<unknown line>
  2064. 30.80 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2065. 30.80 s > at <unknown source file>:<unknown line>
  2066. 30.80 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2067. 30.80 s > at <unknown source file>:<unknown line>
  2068. 30.80 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2069. 30.80 s > at <unknown source file>:<unknown line>
  2070. 30.80 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2071. 30.80 s > at <unknown source file>:<unknown line>
  2072. 30.80 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2073. 30.80 s > at <unknown source file>:<unknown line>
  2074. 30.80 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2075. 30.80 s > at <unknown source file>:<unknown line>
  2076. 30.80 s > 18: 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>
  2077. 30.80 s > at <unknown source file>:<unknown line>
  2078. 30.80 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2079. 30.80 s > at <unknown source file>:<unknown line>
  2080. 30.80 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2081. 30.80 s > at <unknown source file>:<unknown line>
  2082. 30.80 s > 21: PyEval_EvalCode.localalias<unknown>
  2083. 30.80 s > at <unknown source file>:<unknown line>
  2084. 30.80 s > 22: run_eval_code_obj<unknown>
  2085. 30.80 s > at <unknown source file>:<unknown line>
  2086. 30.80 s > 23: run_mod<unknown>
  2087. 30.80 s > at <unknown source file>:<unknown line>
  2088. 30.80 s > 24: Py_RunMain.localalias<unknown>
  2089. 30.80 s > at <unknown source file>:<unknown line>
  2090. 30.80 s > 25: __libc_start_call_main<unknown>
  2091. 30.80 s > at <unknown source file>:<unknown line>
  2092. 30.80 s > 26: __libc_start_main_alias_2<unknown>
  2093. 30.80 s > at <unknown source file>:<unknown line>
  2094. 30.80 s > 27: _start<unknown>
  2095. 30.80 s > at <unknown source file>:<unknown line>
  2096. 30.80 s >
  2097. 30.80 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2098. 30.80 s > Run with RUST_BACKTRACE=full to include source snippets.
  2099. 30.80 s > Traceback (most recent call last):
  2100. 30.80 s > File "<string>", line 78, in <module>
  2101. 30.80 s > result = api.evaluate_sample(point)
  2102. 30.80 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2103. 30.80 s >
  2104. 30.80 s >
  2105. 30.80 s > Location:
  2106. 30.80 s > tests/tests/test_python_api.rs:156:20
  2107. 30.80 s >
  2108. 30.80 s > FAIL [ 0.539s] (4/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  2109. 30.80 s > stdout ---
  2110. 30.80 s >
  2111. 30.80 s > running 1 test
  2112. 30.80 s > test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  2113. 30.80 s >
  2114. 30.80 s > failures:
  2115. 30.80 s >
  2116. 30.80 s > failures:
  2117. 30.80 s > python_evaluate_sample_honors_generate_events_and_observable_snapshots
  2118. 30.80 s >
  2119. 30.80 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.53s
  2120. 30.80 s >
  2121. 30.80 s > stderr ---
  2122. 30.80 s > Error: Python API test subprocess failed.
  2123. 30.80 s > stdout:
  2124. 30.80 s >
  2125. 30.80 s > stderr:
  2126. 30.80 s > [2026-09-14 05:18:31.988] @gammaloop_api::se... INFO : Running command import model sm-default
  2127. 30.80 s > [2026-09-14 05:18:31.988] @import::model INFO : Loading built-in JSON model sm-default
  2128. 30.80 s > [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2129. 30.80 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2130. 30.80 s > [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2131. 30.80 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-)
  2132. 30.80 s > [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2133. 30.80 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
  2134. 30.80 s > [2026-09-14 05:18:32.019] @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]}}'
  2135. 30.80 s > [2026-09-14 05:18:32.019] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2136. 30.80 s > [2026-09-14 05:18:32.020] @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
  2137. 30.80 s > [2026-09-14 05:18:32.022] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2138. 30.80 s > [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2139. 30.80 s > [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2140. 30.80 s > [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2141. 30.80 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2142. 30.80 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2143. 30.80 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2144. 30.80 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2145. 30.80 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2146. 30.80 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2147. 30.80 s > [2026-09-14 05:18:32.125] @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)
  2148. 30.80 s > [2026-09-14 05:18:32.125] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2149. 30.80 s > [2026-09-14 05:18:32.125] @commands::generate INFO : Generated cross-section 2 graphs.
  2150. 30.81 s > [2026-09-14 05:18:32.125] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2151. 30.81 s > [2026-09-14 05:18:32.126] @gammaloop_api::se... INFO : Running command generate
  2152. 30.81 s > [2026-09-14 05:18:32.431] @commands::generate INFO :
  2153. 30.81 s > Integrand generation summary
  2154. 30.81 s > peak RAM 106.16 MiB | cores 1
  2155. 30.81 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2156. 30.81 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2157. 30.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2158. 30.81 s > │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  2159. 30.81 s > │ default │ GL2 │ 5 │ 58ms (31%) │ 60ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  2160. 30.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2161. 30.81 s > │ Total │ │ 8 │ 99ms (36%) │ 81ms (30%) │ 92ms (34%) │ 0ms (0.00%) │
  2162. 30.81 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2163. 30.81 s > [2026-09-14 05:18:32.432] @gammaloop_api::se... INFO : Running command set process string '
  2164. 30.81 s > [quantities.leading_jet_pt]
  2165. 30.81 s > type = "jet"
  2166. 30.81 s > quantity = "PT"
  2167. 30.81 s > dR = 0.4
  2168. 30.81 s > [...]
  2169. 30.81 s > [2026-09-14 05:18:32.433] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  2170. 30.81 s > The application panicked (crashed).
  2171. 30.81 s > Message: index out of bounds: the len is 0 but the index is 0
  2172. 30.81 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2173. 30.81 s >
  2174. 30.81 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2175. 30.81 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2176. 30.81 s > at <unknown source file>:<unknown line>
  2177. 30.81 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2178. 30.81 s > at <unknown source file>:<unknown line>
  2179. 30.81 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2180. 30.81 s > at <unknown source file>:<unknown line>
  2181. 30.81 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2182. 30.81 s > at <unknown source file>:<unknown line>
  2183. 30.81 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2184. 30.81 s > at <unknown source file>:<unknown line>
  2185. 30.81 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2186. 30.81 s > at <unknown source file>:<unknown line>
  2187. 30.81 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2188. 30.81 s > at <unknown source file>:<unknown line>
  2189. 30.81 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2190. 30.81 s > at <unknown source file>:<unknown line>
  2191. 30.81 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  2192. 30.81 s > at <unknown source file>:<unknown line>
  2193. 30.81 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#4}>>>::from_iter<unknown>
  2194. 30.81 s > at <unknown source file>:<unknown line>
  2195. 30.81 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2196. 30.81 s > at <unknown source file>:<unknown line>
  2197. 30.81 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2198. 30.81 s > at <unknown source file>:<unknown line>
  2199. 30.81 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2200. 30.81 s > at <unknown source file>:<unknown line>
  2201. 30.81 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2202. 30.81 s > at <unknown source file>:<unknown line>
  2203. 30.81 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2204. 30.81 s > at <unknown source file>:<unknown line>
  2205. 30.81 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2206. 30.81 s > at <unknown source file>:<unknown line>
  2207. 30.81 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2208. 30.81 s > at <unknown source file>:<unknown line>
  2209. 30.81 s > 18: 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>
  2210. 30.81 s > at <unknown source file>:<unknown line>
  2211. 30.81 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2212. 30.81 s > at <unknown source file>:<unknown line>
  2213. 30.81 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2214. 30.81 s > at <unknown source file>:<unknown line>
  2215. 30.81 s > 21: PyEval_EvalCode.localalias<unknown>
  2216. 30.81 s > at <unknown source file>:<unknown line>
  2217. 30.81 s > 22: run_eval_code_obj<unknown>
  2218. 30.81 s > at <unknown source file>:<unknown line>
  2219. 30.81 s > 23: run_mod<unknown>
  2220. 30.81 s > at <unknown source file>:<unknown line>
  2221. 30.81 s > 24: Py_RunMain.localalias<unknown>
  2222. 30.81 s > at <unknown source file>:<unknown line>
  2223. 30.81 s > 25: __libc_start_call_main<unknown>
  2224. 30.81 s > at <unknown source file>:<unknown line>
  2225. 30.81 s > 26: __libc_start_main_alias_2<unknown>
  2226. 30.81 s > at <unknown source file>:<unknown line>
  2227. 30.81 s > 27: _start<unknown>
  2228. 30.81 s > at <unknown source file>:<unknown line>
  2229. 30.81 s >
  2230. 30.81 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2231. 30.81 s > Run with RUST_BACKTRACE=full to include source snippets.
  2232. 30.81 s > Traceback (most recent call last):
  2233. 30.81 s > File "<string>", line 78, in <module>
  2234. 30.81 s > without_events = summarize_result(api.evaluate_sample(point))
  2235. 30.81 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  2236. 30.81 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2237. 30.81 s >
  2238. 30.81 s >
  2239. 30.81 s > Location:
  2240. 30.81 s > tests/tests/test_python_api.rs:156:20
  2241. 30.81 s >
  2242. 30.81 s > FAIL [ 0.659s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  2243. 30.81 s > stdout ---
  2244. 30.81 s >
  2245. 30.81 s > running 1 test
  2246. 30.81 s > test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  2247. 30.81 s >
  2248. 30.81 s > failures:
  2249. 30.81 s >
  2250. 30.81 s > failures:
  2251. 30.81 s > python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  2252. 30.81 s >
  2253. 30.81 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.65s
  2254. 30.81 s >
  2255. 30.81 s > stderr ---
  2256. 30.81 s > Error: Python API test subprocess failed.
  2257. 30.81 s > stdout:
  2258. 30.81 s >
  2259. 30.81 s > stderr:
  2260. 30.81 s > [2026-09-14 05:18:31.990] @gammaloop_api::se... INFO : Running command import model sm-default
  2261. 30.81 s > [2026-09-14 05:18:31.990] @import::model INFO : Loading built-in JSON model sm-default
  2262. 30.81 s > [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2263. 30.81 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2264. 30.81 s > [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2265. 30.81 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-)
  2266. 30.81 s > [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2267. 30.81 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
  2268. 30.81 s > [2026-09-14 05:18:32.020] @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]}}'
  2269. 30.81 s > [2026-09-14 05:18:32.021] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2270. 30.81 s > [2026-09-14 05:18:32.022] @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
  2271. 30.81 s > [2026-09-14 05:18:32.023] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2272. 30.81 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2273. 30.81 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2274. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2275. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2276. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2277. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2278. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2279. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2280. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2281. 30.81 s > [2026-09-14 05:18:32.124] @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)
  2282. 30.81 s > [2026-09-14 05:18:32.124] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2283. 30.81 s > [2026-09-14 05:18:32.124] @commands::generate INFO : Generated cross-section 2 graphs.
  2284. 30.81 s > [2026-09-14 05:18:32.125] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2285. 30.81 s > [2026-09-14 05:18:32.126] @gammaloop_api::se... INFO : Running command generate
  2286. 30.81 s > [2026-09-14 05:18:32.429] @commands::generate INFO :
  2287. 30.81 s > Integrand generation summary
  2288. 30.81 s > peak RAM 104.43 MiB | cores 1
  2289. 30.81 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2290. 30.81 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2291. 30.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2292. 30.81 s > │ default │ GL0 │ 3 │ 39ms (47%) │ 21ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  2293. 30.81 s > │ default │ GL2 │ 5 │ 59ms (30%) │ 64ms (33%) │ 73ms (37%) │ 0ms (0.00%) │
  2294. 30.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2295. 30.81 s > │ Total │ │ 8 │ 98ms (35%) │ 85ms (30%) │ 96ms (34%) │ 0ms (0.00%) │
  2296. 30.81 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2297. 30.81 s > [2026-09-14 05:18:32.430] @gammaloop_api::se... INFO : Running command set process string '
  2298. 30.81 s > [quantities.leading_jet_pt]
  2299. 30.81 s > type = "jet"
  2300. 30.81 s > quantity = "PT"
  2301. 30.81 s > dR = 0.4
  2302. 30.81 s > [...]
  2303. 30.81 s > [2026-09-14 05:18:32.431] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  2304. 30.81 s > The application panicked (crashed).
  2305. 30.81 s > Message: index out of bounds: the len is 0 but the index is 0
  2306. 30.81 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2307. 30.81 s >
  2308. 30.81 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2309. 30.81 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2310. 30.81 s > at <unknown source file>:<unknown line>
  2311. 30.81 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2312. 30.81 s > at <unknown source file>:<unknown line>
  2313. 30.81 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2314. 30.81 s > at <unknown source file>:<unknown line>
  2315. 30.81 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2316. 30.81 s > at <unknown source file>:<unknown line>
  2317. 30.81 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2318. 30.81 s > at <unknown source file>:<unknown line>
  2319. 30.81 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2320. 30.81 s > at <unknown source file>:<unknown line>
  2321. 30.81 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2322. 30.81 s > at <unknown source file>:<unknown line>
  2323. 30.81 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2324. 30.81 s > at <unknown source file>:<unknown line>
  2325. 30.81 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  2326. 30.81 s > at <unknown source file>:<unknown line>
  2327. 30.81 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#4}>>>::from_iter<unknown>
  2328. 30.81 s > at <unknown source file>:<unknown line>
  2329. 30.81 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2330. 30.81 s > at <unknown source file>:<unknown line>
  2331. 30.81 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2332. 30.81 s > at <unknown source file>:<unknown line>
  2333. 30.81 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2334. 30.81 s > at <unknown source file>:<unknown line>
  2335. 30.81 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2336. 30.81 s > at <unknown source file>:<unknown line>
  2337. 30.81 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  2338. 30.81 s > at <unknown source file>:<unknown line>
  2339. 30.81 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  2340. 30.81 s > at <unknown source file>:<unknown line>
  2341. 30.81 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2342. 30.81 s > at <unknown source file>:<unknown line>
  2343. 30.81 s > 18: 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>
  2344. 30.81 s > at <unknown source file>:<unknown line>
  2345. 30.81 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2346. 30.81 s > at <unknown source file>:<unknown line>
  2347. 30.81 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2348. 30.81 s > at <unknown source file>:<unknown line>
  2349. 30.81 s > 21: PyEval_EvalCode.localalias<unknown>
  2350. 30.81 s > at <unknown source file>:<unknown line>
  2351. 30.81 s > 22: run_eval_code_obj<unknown>
  2352. 30.81 s > at <unknown source file>:<unknown line>
  2353. 30.81 s > 23: run_mod<unknown>
  2354. 30.81 s > at <unknown source file>:<unknown line>
  2355. 30.81 s > 24: Py_RunMain.localalias<unknown>
  2356. 30.81 s > at <unknown source file>:<unknown line>
  2357. 30.81 s > 25: __libc_start_call_main<unknown>
  2358. 30.81 s > at <unknown source file>:<unknown line>
  2359. 30.81 s > 26: __libc_start_main_alias_2<unknown>
  2360. 30.81 s > at <unknown source file>:<unknown line>
  2361. 30.81 s > 27: _start<unknown>
  2362. 30.81 s > at <unknown source file>:<unknown line>
  2363. 30.81 s >
  2364. 30.81 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2365. 30.81 s > Run with RUST_BACKTRACE=full to include source snippets.
  2366. 30.81 s > Traceback (most recent call last):
  2367. 30.81 s > File "<string>", line 85, in <module>
  2368. 30.81 s > batch = summarize_batch_result(api.evaluate_samples(points))
  2369. 30.81 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  2370. 30.81 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2371. 30.81 s >
  2372. 30.81 s >
  2373. 30.81 s > Location:
  2374. 30.81 s > tests/tests/test_python_api.rs:156:20
  2375. 30.81 s >
  2376. 30.81 s > error: test run failed
  2377. 30.81 s >
  2378. 30.81 s > ========== nextest test summary ==========
  2379. 30.81 s > report: target/nextest/ci_gammaloop/junit.xml
  2380. 30.81 s > tests: 5, failures: 3, errors: 0
  2381. 30.81 s >
  2382. 30.81 s > 1. gammaloop-integration-tests::test_python_api::python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  2383. 30.81 s > failure: test failure with exit code 101
  2384. 30.81 s > Error: Python API test subprocess failed.
  2385. 30.81 s > stdout:
  2386. 30.81 s >
  2387. 30.81 s > stderr:
  2388. 30.81 s > [2026-09-14 05:18:31.988] @gammaloop_api::se... INFO : Running command import model sm-default
  2389. 30.81 s > [2026-09-14 05:18:31.988] @import::model INFO : Loading built-in JSON model sm-default
  2390. 30.81 s > [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2391. 30.81 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2392. 30.81 s > [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2393. 30.81 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-)
  2394. 30.81 s > [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2395. 30.81 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
  2396. 30.81 s > [2026-09-14 05:18:32.021] @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]}}'
  2397. 30.81 s > [2026-09-14 05:18:32.022] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2398. 30.81 s > [2026-09-14 05:18:32.022] @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
  2399. 30.81 s > [2026-09-14 05:18:32.024] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2400. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2401. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2402. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2403. 30.81 s > [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2404. 30.81 s > [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2405. 30.81 s > [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2406. 30.81 s > [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2407. 30.81 s > [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2408. 30.81 s > [2026-09-14 05:18:32.029] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2409. 30.81 s > [2026-09-14 05:18:32.126] @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)
  2410. 30.81 s > [2026-09-14 05:18:32.126] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2411. 30.81 s > [2026-09-14 05:18:32.127] @commands::generate INFO : Generated cross-section 2 graphs.
  2412. 30.81 s > [2026-09-14 05:18:32.127] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2413. 30.81 s > [2026-09-14 05:18:32.127] @gammaloop_api::se... INFO : Running command generate
  2414. 30.81 s > [2026-09-14 05:18:32.432] @commands::generate INFO :
  2415. 30.81 s > Integrand generation summary
  2416. 30.81 s > peak RAM 106.50 MiB | cores 1
  2417. 30.81 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2418. 30.81 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2419. 30.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2420. 30.81 s > │ default │ GL0 │ 3 │ 39ms (45%) │ 22ms (25%) │ 26ms (30%) │ 0ms (0.00%) │
  2421. 30.81 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (33%) │ 68ms (37%) │ 0ms (0.00%) │
  2422. 30.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2423. 30.81 s > │ Total │ │ 8 │ 97ms (35%) │ 83ms (30%) │ 94ms (34%) │ 0ms (0.00%) │
  2424. 30.81 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2425. 30.81 s > [2026-09-14 05:18:32.433] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  2426. 30.81 s > The application panicked (crashed).
  2427. 30.81 s > Message: index out of bounds: the len is 0 but the index is 0
  2428. 30.81 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2429. 30.81 s >
  2430. 30.81 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2431. 30.81 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2432. 30.81 s > at <unknown source file>:<unknown line>
  2433. 30.81 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2434. 30.81 s > at <unknown source file>:<unknown line>
  2435. 30.81 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2436. 30.81 s > at <unknown source file>:<unknown line>
  2437. 30.81 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2438. 30.81 s > at <unknown source file>:<unknown line>
  2439. 30.81 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2440. 30.81 s > at <unknown source file>:<unknown line>
  2441. 30.81 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2442. 30.81 s > at <unknown source file>:<unknown line>
  2443. 30.81 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2444. 30.81 s > at <unknown source file>:<unknown line>
  2445. 30.81 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2446. 30.81 s > at <unknown source file>:<unknown line>
  2447. 30.81 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  2448. 30.81 s > at <unknown source file>:<unknown line>
  2449. 30.81 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#4}>>>::from_iter<unknown>
  2450. 30.81 s > at <unknown source file>:<unknown line>
  2451. 30.81 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2452. 30.81 s > at <unknown source file>:<unknown line>
  2453. 30.81 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2454. 30.81 s > at <unknown source file>:<unknown line>
  2455. 30.81 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2456. 30.81 s > at <unknown source file>:<unknown line>
  2457. 30.81 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2458. 30.81 s > at <unknown source file>:<unknown line>
  2459. 30.81 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2460. 30.81 s > at <unknown source file>:<unknown line>
  2461. 30.81 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2462. 30.81 s > at <unknown source file>:<unknown line>
  2463. 30.81 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2464. 30.81 s > at <unknown source file>:<unknown line>
  2465. 30.81 s > 18: 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>
  2466. 30.81 s > at <unknown source file>:<unknown line>
  2467. 30.81 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2468. 30.81 s > at <unknown source file>:<unknown line>
  2469. 30.81 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2470. 30.81 s > at <unknown source file>:<unknown line>
  2471. 30.81 s > 21: PyEval_EvalCode.localalias<unknown>
  2472. 30.81 s > at <unknown source file>:<unknown line>
  2473. 30.81 s > 22: run_eval_code_obj<unknown>
  2474. 30.81 s > at <unknown source file>:<unknown line>
  2475. 30.81 s > 23: run_mod<unknown>
  2476. 30.81 s > at <unknown source file>:<unknown line>
  2477. 30.81 s > 24: Py_RunMain.localalias<unknown>
  2478. 30.81 s > at <unknown source file>:<unknown line>
  2479. 30.81 s > 25: __libc_start_call_main<unknown>
  2480. 30.81 s > at <unknown source file>:<unknown line>
  2481. 30.81 s > 26: __libc_start_main_alias_2<unknown>
  2482. 30.81 s > at <unknown source file>:<unknown line>
  2483. 30.81 s > 27: _start<unknown>
  2484. 30.81 s > at <unknown source file>:<unknown line>
  2485. 30.81 s >
  2486. 30.81 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2487. 30.81 s > Run with RUST_BACKTRACE=full to include source snippets.
  2488. 30.81 s > Traceback (most recent call last):
  2489. 30.81 s > File "<string>", line 78, in <module>
  2490. 30.81 s > result = api.evaluate_sample(point)
  2491. 30.81 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2492. 30.81 s >
  2493. 30.81 s >
  2494. 30.81 s > Location:
  2495. 30.81 s > tests/tests/test_python_api.rs:156:20
  2496. 30.81 s > system-out
  2497. 30.81 s > running 1 test
  2498. 30.81 s > test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  2499. 30.81 s >
  2500. 30.81 s > failures:
  2501. 30.81 s >
  2502. 30.81 s > failures:
  2503. 30.81 s > python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  2504. 30.81 s >
  2505. 30.81 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.53s
  2506. 30.81 s > system-err
  2507. 30.81 s > Error: Python API test subprocess failed.
  2508. 30.81 s > stdout:
  2509. 30.81 s >
  2510. 30.81 s > stderr:
  2511. 30.81 s > [2026-09-14 05:18:31.988] @gammaloop_api::se... INFO : Running command import model sm-default
  2512. 30.81 s > [2026-09-14 05:18:31.988] @import::model INFO : Loading built-in JSON model sm-default
  2513. 30.81 s > [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2514. 30.81 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2515. 30.81 s > [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2516. 30.81 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-)
  2517. 30.81 s > [2026-09-14 05:18:32.020] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2518. 30.81 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
  2519. 30.81 s > [2026-09-14 05:18:32.021] @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]}}'
  2520. 30.81 s > [2026-09-14 05:18:32.022] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2521. 30.81 s > [2026-09-14 05:18:32.022] @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
  2522. 30.81 s > [2026-09-14 05:18:32.024] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2523. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2524. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2525. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2526. 30.81 s > [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2527. 30.81 s > [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2528. 30.81 s > [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2529. 30.81 s > [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2530. 30.81 s > [2026-09-14 05:18:32.028] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2531. 30.81 s > [2026-09-14 05:18:32.029] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2532. 30.81 s > [2026-09-14 05:18:32.126] @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)
  2533. 30.81 s > [2026-09-14 05:18:32.126] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2534. 30.81 s > [2026-09-14 05:18:32.127] @commands::generate INFO : Generated cross-section 2 graphs.
  2535. 30.81 s > [2026-09-14 05:18:32.127] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2536. 30.81 s > [2026-09-14 05:18:32.127] @gammaloop_api::se... INFO : Running command generate
  2537. 30.81 s > [2026-09-14 05:18:32.432] @commands::generate INFO :
  2538. 30.81 s > Integrand generation summary
  2539. 30.81 s > peak RAM 106.50 MiB | cores 1
  2540. 30.81 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2541. 30.81 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2542. 30.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2543. 30.81 s > │ default │ GL0 │ 3 │ 39ms (45%) │ 22ms (25%) │ 26ms (30%) │ 0ms (0.00%) │
  2544. 30.81 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (33%) │ 68ms (37%) │ 0ms (0.00%) │
  2545. 30.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2546. 30.81 s > │ Total │ │ 8 │ 97ms (35%) │ 83ms (30%) │ 94ms (34%) │ 0ms (0.00%) │
  2547. 30.81 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2548. 30.81 s > [2026-09-14 05:18:32.433] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  2549. 30.81 s > The application panicked (crashed).
  2550. 30.81 s > Message: index out of bounds: the len is 0 but the index is 0
  2551. 30.81 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2552. 30.81 s >
  2553. 30.81 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2554. 30.81 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2555. 30.81 s > at <unknown source file>:<unknown line>
  2556. 30.81 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2557. 30.81 s > at <unknown source file>:<unknown line>
  2558. 30.81 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2559. 30.81 s > at <unknown source file>:<unknown line>
  2560. 30.81 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2561. 30.81 s > at <unknown source file>:<unknown line>
  2562. 30.81 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2563. 30.81 s > at <unknown source file>:<unknown line>
  2564. 30.81 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2565. 30.81 s > at <unknown source file>:<unknown line>
  2566. 30.81 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2567. 30.81 s > at <unknown source file>:<unknown line>
  2568. 30.81 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2569. 30.81 s > at <unknown source file>:<unknown line>
  2570. 30.81 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  2571. 30.81 s > at <unknown source file>:<unknown line>
  2572. 30.81 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#4}>>>::from_iter<unknown>
  2573. 30.81 s > at <unknown source file>:<unknown line>
  2574. 30.81 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2575. 30.81 s > at <unknown source file>:<unknown line>
  2576. 30.81 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2577. 30.81 s > at <unknown source file>:<unknown line>
  2578. 30.81 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2579. 30.81 s > at <unknown source file>:<unknown line>
  2580. 30.81 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2581. 30.81 s > at <unknown source file>:<unknown line>
  2582. 30.81 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2583. 30.81 s > at <unknown source file>:<unknown line>
  2584. 30.81 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2585. 30.81 s > at <unknown source file>:<unknown line>
  2586. 30.81 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2587. 30.81 s > at <unknown source file>:<unknown line>
  2588. 30.81 s > 18: 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>
  2589. 30.81 s > at <unknown source file>:<unknown line>
  2590. 30.81 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2591. 30.81 s > at <unknown source file>:<unknown line>
  2592. 30.81 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2593. 30.81 s > at <unknown source file>:<unknown line>
  2594. 30.81 s > 21: PyEval_EvalCode.localalias<unknown>
  2595. 30.81 s > at <unknown source file>:<unknown line>
  2596. 30.81 s > 22: run_eval_code_obj<unknown>
  2597. 30.81 s > at <unknown source file>:<unknown line>
  2598. 30.81 s > 23: run_mod<unknown>
  2599. 30.81 s > at <unknown source file>:<unknown line>
  2600. 30.81 s > 24: Py_RunMain.localalias<unknown>
  2601. 30.81 s > at <unknown source file>:<unknown line>
  2602. 30.81 s > 25: __libc_start_call_main<unknown>
  2603. 30.81 s > at <unknown source file>:<unknown line>
  2604. 30.81 s > 26: __libc_start_main_alias_2<unknown>
  2605. 30.81 s > at <unknown source file>:<unknown line>
  2606. 30.81 s > 27: _start<unknown>
  2607. 30.81 s > at <unknown source file>:<unknown line>
  2608. 30.81 s >
  2609. 30.81 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2610. 30.81 s > Run with RUST_BACKTRACE=full to include source snippets.
  2611. 30.81 s > Traceback (most recent call last):
  2612. 30.81 s > File "<string>", line 78, in <module>
  2613. 30.81 s > result = api.evaluate_sample(point)
  2614. 30.81 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2615. 30.81 s >
  2616. 30.81 s >
  2617. 30.81 s > Location:
  2618. 30.81 s > tests/tests/test_python_api.rs:156:20
  2619. 30.81 s >
  2620. 30.81 s > 2. gammaloop-integration-tests::test_python_api::python_evaluate_sample_honors_generate_events_and_observable_snapshots
  2621. 30.81 s > failure: test failure with exit code 101
  2622. 30.81 s > Error: Python API test subprocess failed.
  2623. 30.81 s > stdout:
  2624. 30.81 s >
  2625. 30.81 s > stderr:
  2626. 30.81 s > [2026-09-14 05:18:31.988] @gammaloop_api::se... INFO : Running command import model sm-default
  2627. 30.81 s > [2026-09-14 05:18:31.988] @import::model INFO : Loading built-in JSON model sm-default
  2628. 30.81 s > [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2629. 30.81 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2630. 30.81 s > [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2631. 30.81 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-)
  2632. 30.81 s > [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2633. 30.81 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
  2634. 30.81 s > [2026-09-14 05:18:32.019] @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]}}'
  2635. 30.81 s > [2026-09-14 05:18:32.019] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2636. 30.81 s > [2026-09-14 05:18:32.020] @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
  2637. 30.81 s > [2026-09-14 05:18:32.022] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2638. 30.81 s > [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2639. 30.81 s > [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2640. 30.81 s > [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2641. 30.81 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2642. 30.81 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2643. 30.81 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2644. 30.81 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2645. 30.81 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2646. 30.81 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2647. 30.81 s > [2026-09-14 05:18:32.125] @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)
  2648. 30.81 s > [2026-09-14 05:18:32.125] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2649. 30.81 s > [2026-09-14 05:18:32.125] @commands::generate INFO : Generated cross-section 2 graphs.
  2650. 30.81 s > [2026-09-14 05:18:32.125] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2651. 30.81 s > [2026-09-14 05:18:32.126] @gammaloop_api::se... INFO : Running command generate
  2652. 30.81 s > [2026-09-14 05:18:32.431] @commands::generate INFO :
  2653. 30.81 s > Integrand generation summary
  2654. 30.81 s > peak RAM 106.16 MiB | cores 1
  2655. 30.81 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2656. 30.81 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2657. 30.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2658. 30.81 s > │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  2659. 30.81 s > │ default │ GL2 │ 5 │ 58ms (31%) │ 60ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  2660. 30.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2661. 30.81 s > │ Total │ │ 8 │ 99ms (36%) │ 81ms (30%) │ 92ms (34%) │ 0ms (0.00%) │
  2662. 30.81 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2663. 30.81 s > [2026-09-14 05:18:32.432] @gammaloop_api::se... INFO : Running command set process string '
  2664. 30.81 s > [quantities.leading_jet_pt]
  2665. 30.81 s > type = "jet"
  2666. 30.81 s > quantity = "PT"
  2667. 30.81 s > dR = 0.4
  2668. 30.81 s > [...]
  2669. 30.81 s > [2026-09-14 05:18:32.433] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  2670. 30.81 s > The application panicked (crashed).
  2671. 30.81 s > Message: index out of bounds: the len is 0 but the index is 0
  2672. 30.81 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2673. 30.81 s >
  2674. 30.81 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2675. 30.81 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2676. 30.81 s > at <unknown source file>:<unknown line>
  2677. 30.81 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2678. 30.81 s > at <unknown source file>:<unknown line>
  2679. 30.81 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2680. 30.81 s > at <unknown source file>:<unknown line>
  2681. 30.81 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2682. 30.81 s > at <unknown source file>:<unknown line>
  2683. 30.81 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2684. 30.81 s > at <unknown source file>:<unknown line>
  2685. 30.81 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2686. 30.81 s > at <unknown source file>:<unknown line>
  2687. 30.81 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2688. 30.81 s > at <unknown source file>:<unknown line>
  2689. 30.81 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2690. 30.81 s > at <unknown source file>:<unknown line>
  2691. 30.81 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  2692. 30.81 s > at <unknown source file>:<unknown line>
  2693. 30.81 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#4}>>>::from_iter<unknown>
  2694. 30.81 s > at <unknown source file>:<unknown line>
  2695. 30.81 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2696. 30.81 s > at <unknown source file>:<unknown line>
  2697. 30.81 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2698. 30.81 s > at <unknown source file>:<unknown line>
  2699. 30.81 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2700. 30.81 s > at <unknown source file>:<unknown line>
  2701. 30.81 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2702. 30.81 s > at <unknown source file>:<unknown line>
  2703. 30.81 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2704. 30.81 s > at <unknown source file>:<unknown line>
  2705. 30.81 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2706. 30.81 s > at <unknown source file>:<unknown line>
  2707. 30.81 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2708. 30.81 s > at <unknown source file>:<unknown line>
  2709. 30.81 s > 18: 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>
  2710. 30.81 s > at <unknown source file>:<unknown line>
  2711. 30.81 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2712. 30.81 s > at <unknown source file>:<unknown line>
  2713. 30.81 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2714. 30.81 s > at <unknown source file>:<unknown line>
  2715. 30.81 s > 21: PyEval_EvalCode.localalias<unknown>
  2716. 30.81 s > at <unknown source file>:<unknown line>
  2717. 30.81 s > 22: run_eval_code_obj<unknown>
  2718. 30.81 s > at <unknown source file>:<unknown line>
  2719. 30.81 s > 23: run_mod<unknown>
  2720. 30.81 s > at <unknown source file>:<unknown line>
  2721. 30.81 s > 24: Py_RunMain.localalias<unknown>
  2722. 30.81 s > at <unknown source file>:<unknown line>
  2723. 30.81 s > 25: __libc_start_call_main<unknown>
  2724. 30.81 s > at <unknown source file>:<unknown line>
  2725. 30.81 s > 26: __libc_start_main_alias_2<unknown>
  2726. 30.81 s > at <unknown source file>:<unknown line>
  2727. 30.81 s > 27: _start<unknown>
  2728. 30.81 s > at <unknown source file>:<unknown line>
  2729. 30.81 s >
  2730. 30.81 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2731. 30.81 s > Run with RUST_BACKTRACE=full to include source snippets.
  2732. 30.81 s > Traceback (most recent call last):
  2733. 30.81 s > File "<string>", line 78, in <module>
  2734. 30.81 s > without_events = summarize_result(api.evaluate_sample(point))
  2735. 30.81 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  2736. 30.81 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2737. 30.81 s >
  2738. 30.81 s >
  2739. 30.81 s > Location:
  2740. 30.81 s > tests/tests/test_python_api.rs:156:20
  2741. 30.81 s > system-out
  2742. 30.81 s > running 1 test
  2743. 30.81 s > test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  2744. 30.81 s >
  2745. 30.81 s > failures:
  2746. 30.81 s >
  2747. 30.81 s > failures:
  2748. 30.81 s > python_evaluate_sample_honors_generate_events_and_observable_snapshots
  2749. 30.81 s >
  2750. 30.81 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.53s
  2751. 30.81 s > system-err
  2752. 30.81 s > Error: Python API test subprocess failed.
  2753. 30.81 s > stdout:
  2754. 30.81 s >
  2755. 30.81 s > stderr:
  2756. 30.81 s > [2026-09-14 05:18:31.988] @gammaloop_api::se... INFO : Running command import model sm-default
  2757. 30.81 s > [2026-09-14 05:18:31.988] @import::model INFO : Loading built-in JSON model sm-default
  2758. 30.81 s > [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2759. 30.81 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2760. 30.81 s > [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2761. 30.81 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-)
  2762. 30.81 s > [2026-09-14 05:18:32.018] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2763. 30.81 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
  2764. 30.81 s > [2026-09-14 05:18:32.019] @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]}}'
  2765. 30.81 s > [2026-09-14 05:18:32.019] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2766. 30.81 s > [2026-09-14 05:18:32.020] @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
  2767. 30.81 s > [2026-09-14 05:18:32.022] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2768. 30.81 s > [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2769. 30.81 s > [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2770. 30.81 s > [2026-09-14 05:18:32.025] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2771. 30.81 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2772. 30.81 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2773. 30.81 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2774. 30.81 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2775. 30.81 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2776. 30.81 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2777. 30.81 s > [2026-09-14 05:18:32.125] @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)
  2778. 30.81 s > [2026-09-14 05:18:32.125] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2779. 30.81 s > [2026-09-14 05:18:32.125] @commands::generate INFO : Generated cross-section 2 graphs.
  2780. 30.81 s > [2026-09-14 05:18:32.125] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2781. 30.81 s > [2026-09-14 05:18:32.126] @gammaloop_api::se... INFO : Running command generate
  2782. 30.81 s > [2026-09-14 05:18:32.431] @commands::generate INFO :
  2783. 30.81 s > Integrand generation summary
  2784. 30.81 s > peak RAM 106.16 MiB | cores 1
  2785. 30.81 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2786. 30.81 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2787. 30.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2788. 30.81 s > │ default │ GL0 │ 3 │ 40ms (48%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  2789. 30.81 s > │ default │ GL2 │ 5 │ 58ms (31%) │ 60ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  2790. 30.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2791. 30.81 s > │ Total │ │ 8 │ 99ms (36%) │ 81ms (30%) │ 92ms (34%) │ 0ms (0.00%) │
  2792. 30.81 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2793. 30.81 s > [2026-09-14 05:18:32.432] @gammaloop_api::se... INFO : Running command set process string '
  2794. 30.81 s > [quantities.leading_jet_pt]
  2795. 30.81 s > type = "jet"
  2796. 30.81 s > quantity = "PT"
  2797. 30.81 s > dR = 0.4
  2798. 30.81 s > [...]
  2799. 30.81 s > [2026-09-14 05:18:32.433] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  2800. 30.81 s > The application panicked (crashed).
  2801. 30.81 s > Message: index out of bounds: the len is 0 but the index is 0
  2802. 30.81 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2803. 30.81 s >
  2804. 30.81 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2805. 30.81 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2806. 30.81 s > at <unknown source file>:<unknown line>
  2807. 30.81 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2808. 30.81 s > at <unknown source file>:<unknown line>
  2809. 30.81 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2810. 30.81 s > at <unknown source file>:<unknown line>
  2811. 30.81 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2812. 30.81 s > at <unknown source file>:<unknown line>
  2813. 30.81 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2814. 30.81 s > at <unknown source file>:<unknown line>
  2815. 30.81 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2816. 30.81 s > at <unknown source file>:<unknown line>
  2817. 30.81 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2818. 30.81 s > at <unknown source file>:<unknown line>
  2819. 30.81 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2820. 30.81 s > at <unknown source file>:<unknown line>
  2821. 30.81 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  2822. 30.81 s > at <unknown source file>:<unknown line>
  2823. 30.81 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#4}>>>::from_iter<unknown>
  2824. 30.81 s > at <unknown source file>:<unknown line>
  2825. 30.81 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2826. 30.81 s > at <unknown source file>:<unknown line>
  2827. 30.81 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2828. 30.81 s > at <unknown source file>:<unknown line>
  2829. 30.81 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2830. 30.81 s > at <unknown source file>:<unknown line>
  2831. 30.81 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2832. 30.81 s > at <unknown source file>:<unknown line>
  2833. 30.81 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2834. 30.81 s > at <unknown source file>:<unknown line>
  2835. 30.81 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2836. 30.81 s > at <unknown source file>:<unknown line>
  2837. 30.81 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2838. 30.81 s > at <unknown source file>:<unknown line>
  2839. 30.81 s > 18: 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>
  2840. 30.81 s > at <unknown source file>:<unknown line>
  2841. 30.81 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2842. 30.81 s > at <unknown source file>:<unknown line>
  2843. 30.81 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2844. 30.81 s > at <unknown source file>:<unknown line>
  2845. 30.81 s > 21: PyEval_EvalCode.localalias<unknown>
  2846. 30.81 s > at <unknown source file>:<unknown line>
  2847. 30.81 s > 22: run_eval_code_obj<unknown>
  2848. 30.81 s > at <unknown source file>:<unknown line>
  2849. 30.81 s > 23: run_mod<unknown>
  2850. 30.81 s > at <unknown source file>:<unknown line>
  2851. 30.81 s > 24: Py_RunMain.localalias<unknown>
  2852. 30.81 s > at <unknown source file>:<unknown line>
  2853. 30.81 s > 25: __libc_start_call_main<unknown>
  2854. 30.81 s > at <unknown source file>:<unknown line>
  2855. 30.81 s > 26: __libc_start_main_alias_2<unknown>
  2856. 30.81 s > at <unknown source file>:<unknown line>
  2857. 30.81 s > 27: _start<unknown>
  2858. 30.81 s > at <unknown source file>:<unknown line>
  2859. 30.81 s >
  2860. 30.81 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2861. 30.81 s > Run with RUST_BACKTRACE=full to include source snippets.
  2862. 30.81 s > Traceback (most recent call last):
  2863. 30.81 s > File "<string>", line 78, in <module>
  2864. 30.81 s > without_events = summarize_result(api.evaluate_sample(point))
  2865. 30.81 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  2866. 30.81 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2867. 30.81 s >
  2868. 30.81 s >
  2869. 30.81 s > Location:
  2870. 30.81 s > tests/tests/test_python_api.rs:156:20
  2871. 30.81 s >
  2872. 30.81 s > 3. gammaloop-integration-tests::test_python_api::python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  2873. 30.81 s > failure: test failure with exit code 101
  2874. 30.81 s > Error: Python API test subprocess failed.
  2875. 30.81 s > stdout:
  2876. 30.81 s >
  2877. 30.81 s > stderr:
  2878. 30.81 s > [2026-09-14 05:18:31.990] @gammaloop_api::se... INFO : Running command import model sm-default
  2879. 30.81 s > [2026-09-14 05:18:31.990] @import::model INFO : Loading built-in JSON model sm-default
  2880. 30.81 s > [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2881. 30.81 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2882. 30.81 s > [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2883. 30.81 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-)
  2884. 30.81 s > [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2885. 30.81 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
  2886. 30.81 s > [2026-09-14 05:18:32.020] @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]}}'
  2887. 30.81 s > [2026-09-14 05:18:32.021] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2888. 30.81 s > [2026-09-14 05:18:32.022] @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
  2889. 30.81 s > [2026-09-14 05:18:32.023] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2890. 30.81 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2891. 30.81 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2892. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2893. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2894. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2895. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2896. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2897. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2898. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2899. 30.81 s > [2026-09-14 05:18:32.124] @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)
  2900. 30.81 s > [2026-09-14 05:18:32.124] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2901. 30.81 s > [2026-09-14 05:18:32.124] @commands::generate INFO : Generated cross-section 2 graphs.
  2902. 30.81 s > [2026-09-14 05:18:32.125] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2903. 30.81 s > [2026-09-14 05:18:32.126] @gammaloop_api::se... INFO : Running command generate
  2904. 30.81 s > [2026-09-14 05:18:32.429] @commands::generate INFO :
  2905. 30.81 s > Integrand generation summary
  2906. 30.81 s > peak RAM 104.43 MiB | cores 1
  2907. 30.81 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2908. 30.81 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2909. 30.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2910. 30.81 s > │ default │ GL0 │ 3 │ 39ms (47%) │ 21ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  2911. 30.81 s > │ default │ GL2 │ 5 │ 59ms (30%) │ 64ms (33%) │ 73ms (37%) │ 0ms (0.00%) │
  2912. 30.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2913. 30.81 s > │ Total │ │ 8 │ 98ms (35%) │ 85ms (30%) │ 96ms (34%) │ 0ms (0.00%) │
  2914. 30.81 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2915. 30.81 s > [2026-09-14 05:18:32.430] @gammaloop_api::se... INFO : Running command set process string '
  2916. 30.81 s > [quantities.leading_jet_pt]
  2917. 30.81 s > type = "jet"
  2918. 30.81 s > quantity = "PT"
  2919. 30.81 s > dR = 0.4
  2920. 30.81 s > [...]
  2921. 30.81 s > [2026-09-14 05:18:32.431] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  2922. 30.81 s > The application panicked (crashed).
  2923. 30.81 s > Message: index out of bounds: the len is 0 but the index is 0
  2924. 30.81 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2925. 30.81 s >
  2926. 30.81 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2927. 30.81 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2928. 30.81 s > at <unknown source file>:<unknown line>
  2929. 30.81 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2930. 30.81 s > at <unknown source file>:<unknown line>
  2931. 30.81 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2932. 30.81 s > at <unknown source file>:<unknown line>
  2933. 30.81 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2934. 30.81 s > at <unknown source file>:<unknown line>
  2935. 30.81 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2936. 30.81 s > at <unknown source file>:<unknown line>
  2937. 30.81 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2938. 30.81 s > at <unknown source file>:<unknown line>
  2939. 30.81 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2940. 30.81 s > at <unknown source file>:<unknown line>
  2941. 30.81 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2942. 30.81 s > at <unknown source file>:<unknown line>
  2943. 30.81 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  2944. 30.81 s > at <unknown source file>:<unknown line>
  2945. 30.81 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#4}>>>::from_iter<unknown>
  2946. 30.81 s > at <unknown source file>:<unknown line>
  2947. 30.81 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2948. 30.81 s > at <unknown source file>:<unknown line>
  2949. 30.81 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2950. 30.81 s > at <unknown source file>:<unknown line>
  2951. 30.81 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2952. 30.81 s > at <unknown source file>:<unknown line>
  2953. 30.81 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2954. 30.81 s > at <unknown source file>:<unknown line>
  2955. 30.81 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  2956. 30.81 s > at <unknown source file>:<unknown line>
  2957. 30.81 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  2958. 30.81 s > at <unknown source file>:<unknown line>
  2959. 30.81 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2960. 30.81 s > at <unknown source file>:<unknown line>
  2961. 30.81 s > 18: 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>
  2962. 30.81 s > at <unknown source file>:<unknown line>
  2963. 30.81 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2964. 30.81 s > at <unknown source file>:<unknown line>
  2965. 30.81 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2966. 30.81 s > at <unknown source file>:<unknown line>
  2967. 30.81 s > 21: PyEval_EvalCode.localalias<unknown>
  2968. 30.81 s > at <unknown source file>:<unknown line>
  2969. 30.81 s > 22: run_eval_code_obj<unknown>
  2970. 30.81 s > at <unknown source file>:<unknown line>
  2971. 30.81 s > 23: run_mod<unknown>
  2972. 30.81 s > at <unknown source file>:<unknown line>
  2973. 30.81 s > 24: Py_RunMain.localalias<unknown>
  2974. 30.81 s > at <unknown source file>:<unknown line>
  2975. 30.81 s > 25: __libc_start_call_main<unknown>
  2976. 30.81 s > at <unknown source file>:<unknown line>
  2977. 30.81 s > 26: __libc_start_main_alias_2<unknown>
  2978. 30.81 s > at <unknown source file>:<unknown line>
  2979. 30.81 s > 27: _start<unknown>
  2980. 30.81 s > at <unknown source file>:<unknown line>
  2981. 30.81 s >
  2982. 30.81 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2983. 30.81 s > Run with RUST_BACKTRACE=full to include source snippets.
  2984. 30.81 s > Traceback (most recent call last):
  2985. 30.81 s > File "<string>", line 85, in <module>
  2986. 30.81 s > batch = summarize_batch_result(api.evaluate_samples(points))
  2987. 30.81 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  2988. 30.81 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2989. 30.81 s >
  2990. 30.81 s >
  2991. 30.81 s > Location:
  2992. 30.81 s > tests/tests/test_python_api.rs:156:20
  2993. 30.81 s > system-out
  2994. 30.81 s > running 1 test
  2995. 30.81 s > test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  2996. 30.81 s >
  2997. 30.81 s > failures:
  2998. 30.81 s >
  2999. 30.81 s > failures:
  3000. 30.81 s > python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  3001. 30.81 s >
  3002. 30.81 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.65s
  3003. 30.81 s > system-err
  3004. 30.81 s > Error: Python API test subprocess failed.
  3005. 30.81 s > stdout:
  3006. 30.81 s >
  3007. 30.81 s > stderr:
  3008. 30.81 s > [2026-09-14 05:18:31.990] @gammaloop_api::se... INFO : Running command import model sm-default
  3009. 30.81 s > [2026-09-14 05:18:31.990] @import::model INFO : Loading built-in JSON model sm-default
  3010. 30.81 s > [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  3011. 30.81 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  3012. 30.81 s > [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  3013. 30.81 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-)
  3014. 30.81 s > [2026-09-14 05:18:32.019] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  3015. 30.81 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
  3016. 30.81 s > [2026-09-14 05:18:32.020] @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]}}'
  3017. 30.81 s > [2026-09-14 05:18:32.021] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  3018. 30.81 s > [2026-09-14 05:18:32.022] @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
  3019. 30.81 s > [2026-09-14 05:18:32.023] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  3020. 30.81 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  3021. 30.81 s > [2026-09-14 05:18:32.026] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  3022. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  3023. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  3024. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  3025. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  3026. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  3027. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  3028. 30.81 s > [2026-09-14 05:18:32.027] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  3029. 30.81 s > [2026-09-14 05:18:32.124] @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)
  3030. 30.81 s > [2026-09-14 05:18:32.124] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  3031. 30.81 s > [2026-09-14 05:18:32.124] @commands::generate INFO : Generated cross-section 2 graphs.
  3032. 30.81 s > [2026-09-14 05:18:32.125] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  3033. 30.81 s > [2026-09-14 05:18:32.126] @gammaloop_api::se... INFO : Running command generate
  3034. 30.81 s > [2026-09-14 05:18:32.429] @commands::generate INFO :
  3035. 30.81 s > Integrand generation summary
  3036. 30.81 s > peak RAM 104.43 MiB | cores 1
  3037. 30.81 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  3038. 30.81 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  3039. 30.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  3040. 30.81 s > │ default │ GL0 │ 3 │ 39ms (47%) │ 21ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  3041. 30.81 s > │ default │ GL2 │ 5 │ 59ms (30%) │ 64ms (33%) │ 73ms (37%) │ 0ms (0.00%) │
  3042. 30.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  3043. 30.81 s > │ Total │ │ 8 │ 98ms (35%) │ 85ms (30%) │ 96ms (34%) │ 0ms (0.00%) │
  3044. 30.81 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  3045. 30.81 s > [2026-09-14 05:18:32.430] @gammaloop_api::se... INFO : Running command set process string '
  3046. 30.81 s > [quantities.leading_jet_pt]
  3047. 30.81 s > type = "jet"
  3048. 30.81 s > quantity = "PT"
  3049. 30.81 s > dR = 0.4
  3050. 30.81 s > [...]
  3051. 30.81 s > [2026-09-14 05:18:32.431] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  3052. 30.81 s > The application panicked (crashed).
  3053. 30.81 s > Message: index out of bounds: the len is 0 but the index is 0
  3054. 30.81 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  3055. 30.81 s >
  3056. 30.81 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  3057. 30.81 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  3058. 30.81 s > at <unknown source file>:<unknown line>
  3059. 30.81 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  3060. 30.81 s > at <unknown source file>:<unknown line>
  3061. 30.81 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  3062. 30.81 s > at <unknown source file>:<unknown line>
  3063. 30.81 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  3064. 30.81 s > at <unknown source file>:<unknown line>
  3065. 30.81 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  3066. 30.81 s > at <unknown source file>:<unknown line>
  3067. 30.81 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  3068. 30.81 s > at <unknown source file>:<unknown line>
  3069. 30.81 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  3070. 30.81 s > at <unknown source file>:<unknown line>
  3071. 30.81 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  3072. 30.81 s > at <unknown source file>:<unknown line>
  3073. 30.81 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#4}> 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#4}>>::{closure#0}>::{closure#0}><unknown>
  3074. 30.81 s > at <unknown source file>:<unknown line>
  3075. 30.81 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#4}>>>::from_iter<unknown>
  3076. 30.81 s > at <unknown source file>:<unknown line>
  3077. 30.81 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  3078. 30.81 s > at <unknown source file>:<unknown line>
  3079. 30.81 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  3080. 30.81 s > at <unknown source file>:<unknown line>
  3081. 30.81 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  3082. 30.81 s > at <unknown source file>:<unknown line>
  3083. 30.81 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  3084. 30.81 s > at <unknown source file>:<unknown line>
  3085. 30.81 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  3086. 30.81 s > at <unknown source file>:<unknown line>
  3087. 30.81 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  3088. 30.81 s > at <unknown source file>:<unknown line>
  3089. 30.81 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  3090. 30.81 s > at <unknown source file>:<unknown line>
  3091. 30.81 s > 18: 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>
  3092. 30.81 s > at <unknown source file>:<unknown line>
  3093. 30.81 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  3094. 30.81 s > at <unknown source file>:<unknown line>
  3095. 30.81 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  3096. 30.81 s > at <unknown source file>:<unknown line>
  3097. 30.81 s > 21: PyEval_EvalCode.localalias<unknown>
  3098. 30.81 s > at <unknown source file>:<unknown line>
  3099. 30.81 s > 22: run_eval_code_obj<unknown>
  3100. 30.81 s > at <unknown source file>:<unknown line>
  3101. 30.81 s > 23: run_mod<unknown>
  3102. 30.81 s > at <unknown source file>:<unknown line>
  3103. 30.81 s > 24: Py_RunMain.localalias<unknown>
  3104. 30.81 s > at <unknown source file>:<unknown line>
  3105. 30.81 s > 25: __libc_start_call_main<unknown>
  3106. 30.81 s > at <unknown source file>:<unknown line>
  3107. 30.81 s > 26: __libc_start_main_alias_2<unknown>
  3108. 30.81 s > at <unknown source file>:<unknown line>
  3109. 30.81 s > 27: _start<unknown>
  3110. 30.81 s > at <unknown source file>:<unknown line>
  3111. 30.81 s >
  3112. 30.81 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  3113. 30.81 s > Run with RUST_BACKTRACE=full to include source snippets.
  3114. 30.81 s > Traceback (most recent call last):
  3115. 30.81 s > File "<string>", line 85, in <module>
  3116. 30.81 s > batch = summarize_batch_result(api.evaluate_samples(points))
  3117. 30.81 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  3118. 30.81 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  3119. 30.81 s >
  3120. 30.81 s >
  3121. 30.81 s > Location:
  3122. 30.81 s > tests/tests/test_python_api.rs:156:20
  3123. 30.81 s > =========================================
  3124. 30.81 s For full logs, run:
  3125. 30.81 s nix log /nix/store/66j1x39543kg5dqis2p8an918rhhgklr-gammaloop-nextest-python-api.drv
  3126. 30.95 s [0 built (1 failed), 0.0Run failed.