test packages.x86_64-linux.nix-ci-check-gammaloop-nextest-python-api

Reproduce this run
Retry Run
  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. 0.07 s Cloning into '/tmp/nix-ci-worker/stable-pwd/repo'...
  3. 1.78 s remote: Enumerating objects: 77432 remote: Enumerating objects: 86559, done.
  4. 2.01 s remote: Counting objects: 0% (1/9127) remote: Counting objects: 1% (92/9127) remote: Counting objects: 2% (183/9127) remote: Counting objects: 3% (274/9127) remote: Counting objects: 4% (366/9127) remote: Counting objects: 5% (457/9127) remote: Counting objects: 6% (548/9127) remote: Counting objects: 7% (639/9127) remote: Counting objects: 8% (731/9127) remote: Counting objects: 9% (822/9127) remote: Counting objects: 10% (913/9127) remote: Counting objects: 11% (1004/9127) remote: Counting objects: 12% (1096/9127) remote: Counting objects: 13% (1187/9127) remote: Counting objects: 14% (1278/9127) remote: Counting objects: 15% (1370/9127) remote: Counting objects: 16% (1461/9127) remote: Counting objects: 17% (1552/9127) remote: Counting objects: 18% (1643/9127) remote: Counting objects: 19% (1735/9127) remote: Counting objects: 20% (1826/9127) remote: Counting objects: 21% (1917/9127) remote: Counting objects: 22% (2008/9127) remote: Counting objects: 23% (2100/9127) remote: Counting objects: 24% (2191/9127) remote: Counting objects: 25% (2282/9127) remote: Counting objects: 26% (2374/9127) remote: Counting objects: 27% (2465/9127) remote: Counting objects: 28% (2556/9127) remote: Counting objects: 29% (2647/9127) remote: Counting objects: 30% (2739/9127) remote: Counting objects: 31% (2830/9127) remote: Counting objects: 32% (2921/9127) remote: Counting objects: 33% (3012/9127) remote: Counting objects: 34% (3104/9127) remote: Counting objects: 35% (3195/9127) remote: Counting objects: 36% (3286/9127) remote: Counting objects: 37% (3377/9127) remote: Counting objects: 38% (3469/9127) remote: Counting objects: 39% (3560/9127) remote: Counting objects: 40% (3651/9127) remote: Counting objects: 41% (3743/9127) remote: Counting objects: 42% (3834/9127) remote: Counting objects: 43% (3925/9127) remote: Counting objects: 44% (4016/9127) remote: Counting objects: 45% (4108/9127) remote: Counting objects: 46% (4199/9127) remote: Counting objects: 47% (4290/9127) remote: Counting objects: 48% (4381/9127) remote: Counting objects: 49% (4473/9127) remote: Counting objects: 50% (4564/9127) remote: Counting objects: 51% (4655/9127) remote: Counting objects: 52% (4747/9127) remote: Counting objects: 53% (4838/9127) remote: Counting objects: 54% (4929/9127) remote: Counting objects: 55% (5020/9127) remote: Counting objects: 56% (5112/9127) remote: Counting objects: 57% (5203/9127) remote: Counting objects: 58% (5294/9127) remote: Counting objects: 59% (5385/9127) remote: Counting objects: 60% (5477/9127) remote: Counting objects: 61% (5568/9127) remote: Counting objects: 62% (5659/9127) remote: Counting objects: 63% (5751/9127) remote: Counting objects: 64% (5842/9127) remote: Counting objects: 65% (5933/9127) remote: Counting objects: 66% (6024/9127) remote: Counting objects: 67% (6116/9127) remote: Counting objects: 68% (6207/9127) remote: Counting objects: 69% (6298/9127) remote: Counting objects: 70% (6389/9127) remote: Counting objects: 71% (6481/9127) remote: Counting objects: 72% (6572/9127) remote: Counting objects: 73% (6663/9127) remote: Counting objects: 74% (6754/9127) remote: Counting objects: 75% (6846/9127) remote: Counting objects: 76% (6937/9127) remote: Counting objects: 77% (7028/9127) remote: Counting objects: 78% (7120/9127) remote: Counting objects: 79% (7211/9127) remote: Counting objects: 80% (7302/9127) remote: Counting objects: 81% (7393/9127) remote: Counting objects: 82% (7485/9127) remote: Counting objects: 83% (7576/9127) remote: Counting objects: 84% (7667/9127) remote: Counting objects: 85% (7758/9127) remote: Counting objects: 86% (7850/9127) remote: Counting objects: 87% (7941/9127) remote: Counting objects: 88% (8032/9127) remote: Counting objects: 89% (8124/9127) remote: Counting objects: 90% (8215/9127) remote: Counting objects: 91% (8306/9127) remote: Counting objects: 92% (8397/9127) remote: Counting objects: 93% (8489/9127) remote: Counting objects: 94% (8580/9127) remote: Counting objects: 95% (8671/9127) remote: Counting objects: 96% (8762/9127) remote: Counting objects: 97% (8854/9127) remote: Counting objects: 98% (8945/9127) remote: Counting objects: 99% (9036/9127) remote: Counting objects: 100% (9127/9127) remote: Counting objects: 100% (9127/9127), done.
  5. 4.16 s remote: Compressing objects: 0% (1/2107) remote: Compressing objects: 1% (22/2107) remote: Compressing objects: 2% (43/2107) remote: Compressing objects: 3% (64/2107) remote: Compressing objects: 4% (85/2107) remote: Compressing objects: 5% (106/2107) remote: Compressing objects: 6% (127/2107) remote: Compressing objects: 7% (148/2107) remote: Compressing objects: 8% (169/2107) remote: Compressing objects: 9% (190/2107) remote: Compressing objects: 10% (211/2107) remote: Compressing objects: 11% (232/2107) remote: Compressing objects: 12% (253/2107) remote: Compressing objects: 13% (274/2107) remote: Compressing objects: 14% (295/2107) remote: Compressing objects: 15% (317/2107) remote: Compressing objects: 16% (338/2107) remote: Compressing objects: 17% (359/2107) remote: Compressing objects: 18% (380/2107) remote: Compressing objects: 19% (401/2107) remote: Compressing objects: 20% (422/2107) remote: Compressing objects: 21% (443/2107) remote: Compressing objects: 22% (464/2107) remote: Compressing objects: 22% (484/2107) remote: Compressing objects: 23% (485/2107) remote: Compressing objects: 24% (506/2107) remote: Compressing objects: 25% (527/2107) remote: Compressing objects: 26% (548/2107) remote: Compressing objects: 27% (569/2107) remote: Compressing objects: 28% (590/2107) remote: Compressing objects: 29% (612/2107) remote: Compressing objects: 30% (633/2107) remote: Compressing objects: 31% (654/2107) remote: Compressing objects: 32% (675/2107) remote: Compressing objects: 33% (696/2107) remote: Compressing objects: 34% (717/2107) remote: Compressing objects: 35% (738/2107) remote: Compressing objects: 36% (759/2107) remote: Compressing objects: 37% (780/2107) remote: Compressing objects: 38% (801/2107) remote: Compressing objects: 39% (822/2107) remote: Compressing objects: 40% (843/2107) remote: Compressing objects: 41% (864/2107) remote: Compressing objects: 42% (885/2107) remote: Compressing objects: 43% (907/2107) remote: Compressing objects: 44% (928/2107) remote: Compressing objects: 45% (949/2107) remote: Compressing objects: 46% (970/2107) remote: Compressing objects: 47% (991/2107) remote: Compressing objects: 48% (1012/2107) remote: Compressing objects: 49% (1033/2107) remote: Compressing objects: 50% (1054/2107) remote: Compressing objects: 51% (1075/2107) remote: Compressing objects: 52% (1096/2107) remote: Compressing objects: 53% (1117/2107) remote: Compressing objects: 54% (1138/2107) remote: Compressing objects: 55% (1159/2107) remote: Compressing objects: 56% (1180/2107) remote: Compressing objects: 57% (1201/2107) remote: Compressing objects: 58% (1223/2107) remote: Compressing objects: 59% (1244/2107) remote: Compressing objects: 60% (1265/2107) remote: Compressing objects: 61% (1286/2107) remote: Compressing objects: 62% (1307/2107) remote: Compressing objects: 63% (1328/2107) remote: Compressing objects: 64% (1349/2107) remote: Compressing objects: 65% (1370/2107) remote: Compressing objects: 66% (1391/2107) remote: Compressing objects: 67% (1412/2107) remote: Compressing objects: 68% (1433/2107) remote: Compressing objects: 69% (1454/2107) remote: Compressing objects: 70% (1475/2107) remote: Compressing objects: 71% (1496/2107) remote: Compressing objects: 72% (1518/2107) remote: Compressing objects: 73% (1539/2107) remote: Compressing objects: 74% (1560/2107) remote: Compressing objects: 75% (1581/2107) remote: Compressing objects: 76% (1602/2107) remote: Compressing objects: 77% (1623/2107) remote: Compressing objects: 78% (1644/2107) remote: Compressing objects: 79% (1665/2107) remote: Compressing objects: 80% (1686/2107) remote: Compressing objects: 81% (1707/2107) remote: Compressing objects: 82% (1728/2107) remote: Compressing objects: 83% (1749/2107) remote: Compressing objects: 84% (1770/2107) remote: Compressing objects: 85% (1791/2107) remote: Compressing objects: 86% (1813/2107) remote: Compressing objects: 87% (1834/2107) remote: Compressing objects: 88% (1855/2107) remote: Compressing objects: 89% (1876/2107) remote: Compressing objects: 90% (1897/2107) remote: Compressing objects: 91% (1918/2107) remote: Compressing objects: 92% (1939/2107) remote: Compressing objects: 93% (1960/2107) remote: Compressing objects: 94% (1981/2107) remote: Compressing objects: 95% (2002/2107) remote: Compressing objects: 96% (2023/2107) remote: Compressing objects: 97% (2044/2107) remote: Compressing objects: 98% (2065/2107) remote: Compressing objects: 99% (2086/2107) remote: Compressing objects: 100% (2107/2107) remote: Compressing objects: 100% (2107/2107), done.
  6. 9.05 s Receiving objects: 0% (1/86559) Receiving objects: 1% (866/86559) Receiving objects: 2% (1732/86559) Receiving objects: 3% (2597/86559) Receiving objects: 4% (3463/86559) Receiving objects: 5% (4328/86559) Receiving objects: 6% (5194/86559) Receiving objects: 7% (6060/86559) Receiving objects: 8% (6925/86559) Receiving objects: 9% (7791/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 10% (8656/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 11% (9522/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 12% (10388/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 13% (11253/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 14% (12119/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 15% (12984/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 16% (13850/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 17% (14716/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 18% (15581/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 19% (16447/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 20% (17312/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 21% (18178/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 22% (19043/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 23% (19909/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 24% (20775/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 25% (21640/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 26% (22506/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 27% (23371/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 28% (24237/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 29% (25103/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 30% (25968/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 31% (26834/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 32% (27699/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 33% (28565/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 34% (29431/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 35% (30296/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 36% (31162/86559), 11.89 MiB | 23.71 MiB/s Receiving objects: 36% (31444/86559), 28.54 MiB | 28.51 MiB/s Receiving objects: 37% (32027/86559), 28.54 MiB | 28.51 MiB/s Receiving objects: 38% (32893/86559), 28.54 MiB | 28.51 MiB/s Receiving objects: 39% (33759/86559), 28.54 MiB | 28.51 MiB/s Receiving objects: 40% (34624/86559), 28.54 MiB | 28.51 MiB/s Receiving objects: 41% (35490/86559), 28.54 MiB | 28.51 MiB/s Receiving objects: 42% (36355/86559), 28.54 MiB | 28.51 MiB/s Receiving objects: 43% (37221/86559), 28.54 MiB | 28.51 MiB/s Receiving objects: 44% (38086/86559), 28.54 MiB | 28.51 MiB/s Receiving objects: 45% (38952/86559), 28.54 MiB | 28.51 MiB/s Receiving objects: 46% (39818/86559), 45.15 MiB | 30.07 MiB/s Receiving objects: 47% (40683/86559), 45.15 MiB | 30.07 MiB/s Receiving objects: 48% (41549/86559), 45.15 MiB | 30.07 MiB/s Receiving objects: 49% (42414/86559), 45.15 MiB | 30.07 MiB/s Receiving objects: 50% (43280/86559), 45.15 MiB | 30.07 MiB/s Receiving objects: 51% (44146/86559), 45.15 MiB | 30.07 MiB/s Receiving objects: 52% (45011/86559), 45.15 MiB | 30.07 MiB/s Receiving objects: 53% (45877/86559), 45.15 MiB | 30.07 MiB/s Receiving objects: 54% (46742/86559), 45.15 MiB | 30.07 MiB/s Receiving objects: 55% (47608/86559), 45.15 MiB | 30.07 MiB/s Receiving objects: 56% (48474/86559), 45.15 MiB | 30.07 MiB/s Receiving objects: 56% (48747/86559), 61.57 MiB | 30.69 MiB/s Receiving objects: 57% (49339/86559), 61.57 MiB | 30.69 MiB/s Receiving objects: 58% (50205/86559), 61.57 MiB | 30.69 MiB/s Receiving objects: 59% (51070/86559), 61.57 MiB | 30.69 MiB/s Receiving objects: 60% (51936/86559), 61.57 MiB | 30.69 MiB/s Receiving objects: 61% (52801/86559), 61.57 MiB | 30.69 MiB/s Receiving objects: 62% (53667/86559), 61.57 MiB | 30.69 MiB/s Receiving objects: 63% (54533/86559), 78.35 MiB | 31.15 MiB/s Receiving objects: 64% (55398/86559), 78.35 MiB | 31.15 MiB/s Receiving objects: 65% (56264/86559), 78.35 MiB | 31.15 MiB/s Receiving objects: 66% (57129/86559), 78.35 MiB | 31.15 MiB/s Receiving objects: 66% (57370/86559), 94.65 MiB | 31.35 MiB/s Receiving objects: 67% (57995/86559), 94.65 MiB | 31.35 MiB/s Receiving objects: 68% (58861/86559), 94.65 MiB | 31.35 MiB/s Receiving objects: 69% (59726/86559), 94.65 MiB | 31.35 MiB/s Receiving objects: 70% (60592/86559), 94.65 MiB | 31.35 MiB/s Receiving objects: 71% (61457/86559), 111.58 MiB | 31.71 MiB/s Receiving objects: 72% (62323/86559), 111.58 MiB | 31.71 MiB/s Receiving objects: 73% (63189/86559), 111.58 MiB | 31.71 MiB/s Receiving objects: 74% (64054/86559), 111.58 MiB | 31.71 MiB/s Receiving objects: 74% (64312/86559), 128.39 MiB | 31.89 MiB/s Receiving objects: 75% (64920/86559), 128.39 MiB | 31.89 MiB/s Receiving objects: 76% (65785/86559), 128.39 MiB | 31.89 MiB/s Receiving objects: 77% (66651/86559), 128.39 MiB | 31.89 MiB/s Receiving objects: 78% (67517/86559), 128.39 MiB | 31.89 MiB/s Receiving objects: 79% (68382/86559), 128.39 MiB | 31.89 MiB/s Receiving objects: 80% (69248/86559), 128.39 MiB | 31.89 MiB/s Receiving objects: 81% (70113/86559), 128.39 MiB | 31.89 MiB/s Receiving objects: 82% (70979/86559), 128.39 MiB | 31.89 MiB/s Receiving objects: 83% (71844/86559), 128.39 MiB | 31.89 MiB/s Receiving objects: 84% (72710/86559), 128.39 MiB | 31.89 MiB/s Receiving objects: 85% (73576/86559), 128.39 MiB | 31.89 MiB/s Receiving objects: 86% (74441/86559), 144.88 MiB | 31.99 MiB/s Receiving objects: 87% (75307/86559), 144.88 MiB | 31.99 MiB/s Receiving objects: 88% (76172/86559), 144.88 MiB | 31.99 MiB/s Receiving objects: 89% (77038/86559), 144.88 MiB | 31.99 MiB/s Receiving objects: 90% (77904/86559), 144.88 MiB | 31.99 MiB/s Receiving objects: 91% (78769/86559), 144.88 MiB | 31.99 MiB/s Receiving objects: 92% (79635/86559), 144.88 MiB | 31.99 MiB/s Receiving objects: 93% (80500/86559), 144.88 MiB | 31.99 MiB/s Receiving objects: 94% (81366/86559), 144.88 MiB | 31.99 MiB/s Receiving objects: 95% (82232/86559), 144.88 MiB | 31.99 MiB/s Receiving objects: 96% (83097/86559), 144.88 MiB | 31.99 MiB/s Receiving objects: 97% (83963/86559), 144.88 MiB | 31.99 MiB/s Receiving objects: 98% (84828/86559), 144.88 MiB | 31.99 MiB/s Receiving objects: 99% (85694/86559), 144.88 MiB | 31.99 MiB/s remote: Total 86559 (delta 7875), reused 7187 (delta 7014), pack-reused 77432 (from 3)
  7. 9.05 s Receiving objects: 100% (86559/86559), 144.88 MiB | 31.99 MiB/s Receiving objects: 100% (86559/86559), 157.09 MiB | 32.15 MiB/s, done.
  8. 9.93 s Resolving deltas: 0% (0/58770) Resolving deltas: 1% (589/58770) Resolving deltas: 2% (1176/58770) Resolving deltas: 3% (1764/58770) Resolving deltas: 4% (2356/58770) Resolving deltas: 5% (2939/58770) Resolving deltas: 6% (3527/58770) Resolving deltas: 7% (4114/58770) Resolving deltas: 8% (4702/58770) Resolving deltas: 9% (5290/58770) Resolving deltas: 10% (5878/58770) Resolving deltas: 11% (6465/58770) Resolving deltas: 12% (7053/58770) Resolving deltas: 13% (7641/58770) Resolving deltas: 14% (8228/58770) Resolving deltas: 15% (8817/58770) Resolving deltas: 16% (9404/58770) Resolving deltas: 17% (9991/58770) Resolving deltas: 18% (10579/58770) Resolving deltas: 19% (11167/58770) Resolving deltas: 20% (11754/58770) Resolving deltas: 21% (12342/58770) Resolving deltas: 22% (12931/58770) Resolving deltas: 23% (13518/58770) Resolving deltas: 24% (14105/58770) Resolving deltas: 25% (14695/58770) Resolving deltas: 26% (15281/58770) Resolving deltas: 27% (15868/58770) Resolving deltas: 28% (16456/58770) Resolving deltas: 29% (17044/58770) Resolving deltas: 30% (17632/58770) Resolving deltas: 31% (18219/58770) Resolving deltas: 32% (18807/58770) Resolving deltas: 33% (19395/58770) Resolving deltas: 34% (19982/58770) Resolving deltas: 35% (20570/58770) Resolving deltas: 36% (21158/58770) Resolving deltas: 37% (21745/58770) Resolving deltas: 38% (22333/58770) Resolving deltas: 39% (22921/58770) Resolving deltas: 40% (23508/58770) Resolving deltas: 41% (24096/58770) Resolving deltas: 42% (24685/58770) Resolving deltas: 43% (25272/58770) Resolving deltas: 44% (25861/58770) Resolving deltas: 45% (26447/58770) Resolving deltas: 46% (27035/58770) Resolving deltas: 47% (27622/58770) Resolving deltas: 48% (28212/58770) Resolving deltas: 49% (28798/58770) Resolving deltas: 50% (29385/58770) Resolving deltas: 51% (29973/58770) Resolving deltas: 52% (30561/58770) Resolving deltas: 53% (31149/58770) Resolving deltas: 54% (31736/58770) Resolving deltas: 55% (32324/58770) Resolving deltas: 56% (32912/58770) Resolving deltas: 57% (33499/58770) Resolving deltas: 58% (34087/58770) Resolving deltas: 59% (34675/58770) Resolving deltas: 60% (35263/58770) Resolving deltas: 61% (35850/58770) Resolving deltas: 62% (36438/58770) Resolving deltas: 63% (37026/58770) Resolving deltas: 64% (37613/58770) Resolving deltas: 65% (38201/58770) Resolving deltas: 66% (38789/58770) Resolving deltas: 67% (39376/58770) Resolving deltas: 68% (39967/58770) Resolving deltas: 69% (40552/58770) Resolving deltas: 70% (41139/58770) Resolving deltas: 71% (41727/58770) Resolving deltas: 72% (42315/58770) Resolving deltas: 73% (42903/58770) Resolving deltas: 74% (43493/58770) Resolving deltas: 75% (44078/58770) Resolving deltas: 76% (44668/58770) Resolving deltas: 77% (45253/58770) Resolving deltas: 78% (45841/58770) Resolving deltas: 79% (46429/58770) Resolving deltas: 80% (47016/58770) Resolving deltas: 81% (47604/58770) Resolving deltas: 82% (48192/58770) Resolving deltas: 83% (48780/58770) Resolving deltas: 84% (49367/58770) Resolving deltas: 85% (49955/58770) Resolving deltas: 86% (50543/58770) Resolving deltas: 87% (51130/58770) Resolving deltas: 88% (51718/58770) Resolving deltas: 89% (52306/58770) Resolving deltas: 90% (52893/58770) Resolving deltas: 91% (53481/58770) Resolving deltas: 92% (54070/58770) Resolving deltas: 93% (54657/58770) Resolving deltas: 94% (55244/58770) Resolving deltas: 95% (55833/58770) Resolving deltas: 96% (56423/58770) Resolving deltas: 97% (57007/58770) Resolving deltas: 98% (57595/58770) Resolving deltas: 99% (58183/58770) Resolving deltas: 100% (58770/58770) Resolving deltas: 100% (58770/58770), done.
  9. 10.26 s Fetching commit ea6c04a7fc292ced62d6e0f7001835e66aaaa855 for advanced_sampling ...
  10. 10.26 s $ /nix/store/bcnisk3ydfgv26v2gw3zlky24g00yww2-git-2.54.0/bin/git fetch origin ea6c04a7fc292ced62d6e0f7001835e66aaaa855
  11. 10.75 s From https://github.com/alphal00p/gammaloop
  12. 10.75 s * branch ea6c04a7fc292ced62d6e0f7001835e66aaaa855 -> FETCH_HEAD
  13. 10.76 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 ea6c04a7fc292ced62d6e0f7001835e66aaaa855
  14. 10.98 s HEAD is now at ea6c04a7f share prepared cut kinematics with conditional sampling
  15. 10.98 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. 18.19 s
  17. 18.34 s Downloading cached nix-ci-check-gammaloop-nextest-python-api from https://cache.nix-ci.com
  18. 18.38 s Downloaded cached nix-ci-check-gammaloop-nextest-python-api (1104 B) in 38ms
  19. 18.38 s Progress: 0 of 1 built, 1 of 1 downloaded from cache
  20. 26.28 s evaluating derivation 'g copying '/nix/store/rn48 evaluating derivation 'g copying '/nix/store/rn48 evaluating derivation 'g copying '/nix/store/rn48 evaluating derivation 'g copying '/nix/store/rn48 evaluating derivation 'g copying '/nix/store/rn48 evaluating derivation 'g copying '/nix/store/rn48 evaluating derivation 'g copying '/nix/store/rn48 evaluating derivation 'g copying '/nix/store/rn48 evaluating derivation 'g querying gammaloop-nexte querying info about miss 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-kewN1N
  21. 26.34 s gammaloop-nextest-python-api> Extracted 18 files to /build/nextest-archive-kewN1N in 0.06s
  22. 26.35 s gammaloop-nextest-python-api> ------------
  23. 26.35 s gammaloop-nextest-python-api> Nextest run ID d4d42133-248e-43d8-90be-b575313096ad with nextest profile: ci_gammaloop
  24. 26.35 s gammaloop-nextest-python-api> Starting 5 tests across 1 binary
  25. 26.86 s gammaloop-nextest-python-api> FAIL [ 0.517s] (3/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  26. 26.86 s gammaloop-nextest-python-api> stdout ---
  27. 26.86 s gammaloop-nextest-python-api>
  28. 26.86 s gammaloop-nextest-python-api> running 1 test
  29. 26.86 s gammaloop-nextest-python-api> test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  30. 26.86 s gammaloop-nextest-python-api>
  31. 26.86 s gammaloop-nextest-python-api> failures:
  32. 26.86 s gammaloop-nextest-python-api>
  33. 26.86 s gammaloop-nextest-python-api> failures:
  34. 26.86 s gammaloop-nextest-python-api> python_evaluate_sample_honors_generate_events_and_observable_snapshots
  35. 26.86 s gammaloop-nextest-python-api>
  36. 26.86 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.51s
  37. 26.86 s gammaloop-nextest-python-api>
  38. 26.86 s gammaloop-nextest-python-api> stderr ---
  39. 26.86 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  40. 26.86 s gammaloop-nextest-python-api> stdout:
  41. 26.86 s gammaloop-nextest-python-api>
  42. 26.86 s gammaloop-nextest-python-api> stderr:
  43. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.908] @gammaloop_api::se... INFO : Running command import model sm-default
  44. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.908] @import::model INFO : Loading built-in JSON model sm-default
  45. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  46. 26.86 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  47. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  48. 26.86 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-)
  49. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  50. 26.86 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
  51. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.936] @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]}}'
  52. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.937] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  53. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.937] @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
  54. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  55. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  56. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  57. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  58. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  59. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  60. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  61. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  62. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  63. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  64. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.037] @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)
  65. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.037] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  66. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.037] @commands::generate INFO : Generated cross-section 2 graphs.
  67. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.037] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  68. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.038] @gammaloop_api::se... INFO : Running command generate
  69. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.340] @commands::generate INFO :
  70. 26.86 s gammaloop-nextest-python-api> Integrand generation summary
  71. 26.86 s gammaloop-nextest-python-api> peak RAM 106.11 MiB | cores 1
  72. 26.86 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  73. 26.86 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  74. 26.86 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  75. 26.86 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 39ms (48%) │ 20ms (24%) │ 22ms (28%) │ 0ms (0.00%) │
  76. 26.86 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 56ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  77. 26.86 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  78. 26.86 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 95ms (36%) │ 77ms (30%) │ 89ms (34%) │ 0ms (0.00%) │
  79. 26.86 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  80. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.341] @gammaloop_api::se... INFO : Running command set process string '
  81. 26.86 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  82. 26.86 s gammaloop-nextest-python-api> type = "jet"
  83. 26.86 s gammaloop-nextest-python-api> quantity = "PT"
  84. 26.86 s gammaloop-nextest-python-api> dR = 0.4
  85. 26.86 s gammaloop-nextest-python-api> [...]
  86. 26.86 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.342] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  87. 26.86 s gammaloop-nextest-python-api> The application panicked (crashed).
  88. 26.86 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  89. 26.86 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  90. 26.86 s gammaloop-nextest-python-api>
  91. 26.86 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  92. 26.86 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  93. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  94. 26.87 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  95. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  96. 26.87 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  97. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  98. 26.87 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  99. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  100. 26.87 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  101. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  102. 26.87 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  103. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  104. 26.87 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  105. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  106. 26.87 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  107. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  108. 26.87 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>
  109. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  110. 26.87 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>
  111. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  112. 26.87 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  113. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  114. 26.87 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  115. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  116. 26.87 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  117. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  118. 26.87 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  119. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  120. 26.87 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  121. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  122. 26.87 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  123. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  124. 26.87 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  125. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  126. 26.87 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  127. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  128. 26.87 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  129. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  130. 26.87 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  131. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  132. 26.87 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  133. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  134. 26.87 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  135. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  136. 26.87 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  137. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  138. 26.87 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  139. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  140. 26.87 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  141. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  142. 26.87 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  143. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  144. 26.87 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  145. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  146. 26.87 s gammaloop-nextest-python-api> 28: _start<unknown>
  147. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  148. 26.87 s gammaloop-nextest-python-api>
  149. 26.87 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  150. 26.87 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  151. 26.87 s gammaloop-nextest-python-api> Traceback (most recent call last):
  152. 26.87 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  153. 26.87 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  154. 26.87 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  155. 26.87 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  156. 26.87 s gammaloop-nextest-python-api>
  157. 26.87 s gammaloop-nextest-python-api>
  158. 26.87 s gammaloop-nextest-python-api> Location:
  159. 26.87 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  160. 26.87 s gammaloop-nextest-python-api>
  161. 26.87 s gammaloop-nextest-python-api> FAIL [ 0.522s] (4/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  162. 26.87 s gammaloop-nextest-python-api> stdout ---
  163. 26.87 s gammaloop-nextest-python-api>
  164. 26.87 s gammaloop-nextest-python-api> running 1 test
  165. 26.87 s gammaloop-nextest-python-api> test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  166. 26.87 s gammaloop-nextest-python-api>
  167. 26.87 s gammaloop-nextest-python-api> failures:
  168. 26.87 s gammaloop-nextest-python-api>
  169. 26.87 s gammaloop-nextest-python-api> failures:
  170. 26.87 s gammaloop-nextest-python-api> python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  171. 26.87 s gammaloop-nextest-python-api>
  172. 26.87 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.52s
  173. 26.87 s gammaloop-nextest-python-api>
  174. 26.87 s gammaloop-nextest-python-api> stderr ---
  175. 26.87 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  176. 26.87 s gammaloop-nextest-python-api> stdout:
  177. 26.87 s gammaloop-nextest-python-api>
  178. 26.87 s gammaloop-nextest-python-api> stderr:
  179. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.909] @gammaloop_api::se... INFO : Running command import model sm-default
  180. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.909] @import::model INFO : Loading built-in JSON model sm-default
  181. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  182. 26.87 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  183. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  184. 26.87 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. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  186. 26.87 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. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.936] @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. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.936] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  189. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.937] @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. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  191. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.941] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  192. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  193. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  194. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  195. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  196. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  197. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  198. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  199. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  200. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.043] @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. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.043] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  202. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.043] @commands::generate INFO : Generated cross-section 2 graphs.
  203. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.043] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  204. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.044] @gammaloop_api::se... INFO : Running command generate
  205. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.347] @commands::generate INFO :
  206. 26.87 s gammaloop-nextest-python-api> Integrand generation summary
  207. 26.87 s gammaloop-nextest-python-api> peak RAM 105.85 MiB | cores 1
  208. 26.87 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  209. 26.87 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  210. 26.87 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  211. 26.87 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 36ms (46%) │ 19ms (25%) │ 22ms (29%) │ 0ms (0.00%) │
  212. 26.87 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 55ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  213. 26.87 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  214. 26.87 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 91ms (35%) │ 77ms (30%) │ 89ms (35%) │ 0ms (0.00%) │
  215. 26.87 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  216. 26.87 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.348] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  217. 26.87 s gammaloop-nextest-python-api> The application panicked (crashed).
  218. 26.87 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  219. 26.87 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  220. 26.87 s gammaloop-nextest-python-api>
  221. 26.87 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  222. 26.87 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  223. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  224. 26.87 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  225. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  226. 26.87 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  227. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  228. 26.87 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  229. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  230. 26.87 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  231. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  232. 26.87 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  233. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  234. 26.87 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  235. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  236. 26.87 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  237. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  238. 26.87 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>
  239. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  240. 26.87 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>
  241. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  242. 26.87 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  243. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  244. 26.87 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  245. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  246. 26.87 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  247. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  248. 26.87 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  249. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  250. 26.87 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  251. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  252. 26.87 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  253. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  254. 26.87 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  255. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  256. 26.87 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  257. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  258. 26.87 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  259. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  260. 26.87 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  261. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  262. 26.87 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  263. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  264. 26.87 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  265. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  266. 26.87 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  267. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  268. 26.87 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  269. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  270. 26.87 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  271. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  272. 26.87 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  273. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  274. 26.87 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  275. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  276. 26.87 s gammaloop-nextest-python-api> 28: _start<unknown>
  277. 26.87 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  278. 26.87 s gammaloop-nextest-python-api>
  279. 26.87 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  280. 26.87 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  281. 26.87 s gammaloop-nextest-python-api> Traceback (most recent call last):
  282. 26.87 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  283. 26.87 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  284. 26.87 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  285. 26.87 s gammaloop-nextest-python-api>
  286. 26.87 s gammaloop-nextest-python-api>
  287. 26.87 s gammaloop-nextest-python-api> Location:
  288. 26.87 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  289. 26.87 s gammaloop-nextest-python-api>
  290. 26.93 s gammaloop-nextest-python-api> FAIL [ 0.585s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  291. 26.93 s gammaloop-nextest-python-api> stdout ---
  292. 26.93 s gammaloop-nextest-python-api>
  293. 26.93 s gammaloop-nextest-python-api> running 1 test
  294. 26.93 s gammaloop-nextest-python-api> test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  295. 26.93 s gammaloop-nextest-python-api>
  296. 26.93 s gammaloop-nextest-python-api> failures:
  297. 26.93 s gammaloop-nextest-python-api>
  298. 26.93 s gammaloop-nextest-python-api> failures:
  299. 26.93 s gammaloop-nextest-python-api> python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  300. 26.93 s gammaloop-nextest-python-api>
  301. 26.93 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.58s
  302. 26.93 s gammaloop-nextest-python-api>
  303. 26.93 s gammaloop-nextest-python-api> stderr ---
  304. 26.93 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  305. 26.93 s gammaloop-nextest-python-api> stdout:
  306. 26.93 s gammaloop-nextest-python-api>
  307. 26.93 s gammaloop-nextest-python-api> stderr:
  308. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.908] @gammaloop_api::se... INFO : Running command import model sm-default
  309. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.908] @import::model INFO : Loading built-in JSON model sm-default
  310. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  311. 26.93 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  312. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  313. 26.93 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-)
  314. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  315. 26.93 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
  316. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.936] @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]}}'
  317. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.937] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  318. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.937] @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
  319. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  320. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  321. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  322. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  323. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  324. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  325. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  326. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  327. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  328. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  329. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.041] @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)
  330. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.041] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  331. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.042] @commands::generate INFO : Generated cross-section 2 graphs.
  332. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.042] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  333. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.043] @gammaloop_api::se... INFO : Running command generate
  334. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.345] @commands::generate INFO :
  335. 26.93 s gammaloop-nextest-python-api> Integrand generation summary
  336. 26.93 s gammaloop-nextest-python-api> peak RAM 106.07 MiB | cores 1
  337. 26.93 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  338. 26.93 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  339. 26.93 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  340. 26.93 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 35ms (45%) │ 20ms (26%) │ 22ms (29%) │ 0ms (0.00%) │
  341. 26.93 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 55ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  342. 26.93 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  343. 26.93 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 90ms (35%) │ 77ms (30%) │ 89ms (35%) │ 0ms (0.00%) │
  344. 26.93 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  345. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.346] @gammaloop_api::se... INFO : Running command set process string '
  346. 26.93 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  347. 26.93 s gammaloop-nextest-python-api> type = "jet"
  348. 26.93 s gammaloop-nextest-python-api> quantity = "PT"
  349. 26.93 s gammaloop-nextest-python-api> dR = 0.4
  350. 26.93 s gammaloop-nextest-python-api> [...]
  351. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.347] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  352. 26.93 s gammaloop-nextest-python-api> The application panicked (crashed).
  353. 26.93 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  354. 26.93 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  355. 26.93 s gammaloop-nextest-python-api>
  356. 26.93 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  357. 26.93 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  358. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  359. 26.93 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  360. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  361. 26.93 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  362. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  363. 26.93 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  364. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  365. 26.93 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  366. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  367. 26.93 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  368. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  369. 26.93 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  370. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  371. 26.93 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  372. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  373. 26.93 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>
  374. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  375. 26.93 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>
  376. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  377. 26.93 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  378. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  379. 26.93 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  380. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  381. 26.93 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  382. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  383. 26.93 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  384. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  385. 26.93 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  386. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  387. 26.93 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  388. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  389. 26.93 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  390. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  391. 26.93 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  392. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  393. 26.93 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  394. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  395. 26.93 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  396. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  397. 26.93 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  398. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  399. 26.93 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  400. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  401. 26.93 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  402. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  403. 26.93 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  404. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  405. 26.93 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  406. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  407. 26.93 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  408. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  409. 26.93 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  410. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  411. 26.93 s gammaloop-nextest-python-api> 28: _start<unknown>
  412. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  413. 26.93 s gammaloop-nextest-python-api>
  414. 26.93 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  415. 26.93 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  416. 26.93 s gammaloop-nextest-python-api> Traceback (most recent call last):
  417. 26.93 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  418. 26.93 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  419. 26.93 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  420. 26.93 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  421. 26.93 s gammaloop-nextest-python-api>
  422. 26.93 s gammaloop-nextest-python-api>
  423. 26.93 s gammaloop-nextest-python-api> Location:
  424. 26.93 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  425. 26.93 s gammaloop-nextest-python-api>
  426. 26.93 s gammaloop-nextest-python-api> ------------
  427. 26.93 s gammaloop-nextest-python-api> Summary [ 0.586s] 5 tests run: 2 passed, 3 failed, 0 skipped
  428. 26.93 s gammaloop-nextest-python-api> FAIL [ 0.517s] (3/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  429. 26.93 s gammaloop-nextest-python-api> stdout ---
  430. 26.93 s gammaloop-nextest-python-api>
  431. 26.93 s gammaloop-nextest-python-api> running 1 test
  432. 26.93 s gammaloop-nextest-python-api> test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  433. 26.93 s gammaloop-nextest-python-api>
  434. 26.93 s gammaloop-nextest-python-api> failures:
  435. 26.93 s gammaloop-nextest-python-api>
  436. 26.93 s gammaloop-nextest-python-api> failures:
  437. 26.93 s gammaloop-nextest-python-api> python_evaluate_sample_honors_generate_events_and_observable_snapshots
  438. 26.93 s gammaloop-nextest-python-api>
  439. 26.93 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.51s
  440. 26.93 s gammaloop-nextest-python-api>
  441. 26.93 s gammaloop-nextest-python-api> stderr ---
  442. 26.93 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  443. 26.93 s gammaloop-nextest-python-api> stdout:
  444. 26.93 s gammaloop-nextest-python-api>
  445. 26.93 s gammaloop-nextest-python-api> stderr:
  446. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.908] @gammaloop_api::se... INFO : Running command import model sm-default
  447. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.908] @import::model INFO : Loading built-in JSON model sm-default
  448. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  449. 26.93 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  450. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  451. 26.93 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-)
  452. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  453. 26.93 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
  454. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.936] @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]}}'
  455. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.937] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  456. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.937] @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
  457. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  458. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  459. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  460. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  461. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  462. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  463. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  464. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  465. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  466. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  467. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.037] @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)
  468. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.037] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  469. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.037] @commands::generate INFO : Generated cross-section 2 graphs.
  470. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.037] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  471. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.038] @gammaloop_api::se... INFO : Running command generate
  472. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.340] @commands::generate INFO :
  473. 26.93 s gammaloop-nextest-python-api> Integrand generation summary
  474. 26.93 s gammaloop-nextest-python-api> peak RAM 106.11 MiB | cores 1
  475. 26.93 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  476. 26.93 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  477. 26.93 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  478. 26.93 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 39ms (48%) │ 20ms (24%) │ 22ms (28%) │ 0ms (0.00%) │
  479. 26.93 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 56ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  480. 26.93 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  481. 26.93 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 95ms (36%) │ 77ms (30%) │ 89ms (34%) │ 0ms (0.00%) │
  482. 26.93 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  483. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.341] @gammaloop_api::se... INFO : Running command set process string '
  484. 26.93 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  485. 26.93 s gammaloop-nextest-python-api> type = "jet"
  486. 26.93 s gammaloop-nextest-python-api> quantity = "PT"
  487. 26.93 s gammaloop-nextest-python-api> dR = 0.4
  488. 26.93 s gammaloop-nextest-python-api> [...]
  489. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.342] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  490. 26.93 s gammaloop-nextest-python-api> The application panicked (crashed).
  491. 26.93 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  492. 26.93 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  493. 26.93 s gammaloop-nextest-python-api>
  494. 26.93 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  495. 26.93 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  496. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  497. 26.93 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  498. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  499. 26.93 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  500. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  501. 26.93 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  502. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  503. 26.93 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  504. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  505. 26.93 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  506. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  507. 26.93 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  508. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  509. 26.93 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  510. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  511. 26.93 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>
  512. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  513. 26.93 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>
  514. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  515. 26.93 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  516. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  517. 26.93 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  518. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  519. 26.93 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  520. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  521. 26.93 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  522. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  523. 26.93 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  524. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  525. 26.93 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  526. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  527. 26.93 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  528. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  529. 26.93 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  530. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  531. 26.93 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  532. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  533. 26.93 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  534. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  535. 26.93 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  536. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  537. 26.93 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  538. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  539. 26.93 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  540. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  541. 26.93 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  542. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  543. 26.93 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  544. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  545. 26.93 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  546. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  547. 26.93 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  548. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  549. 26.93 s gammaloop-nextest-python-api> 28: _start<unknown>
  550. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  551. 26.93 s gammaloop-nextest-python-api>
  552. 26.93 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  553. 26.93 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  554. 26.93 s gammaloop-nextest-python-api> Traceback (most recent call last):
  555. 26.93 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  556. 26.93 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  557. 26.93 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  558. 26.93 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  559. 26.93 s gammaloop-nextest-python-api>
  560. 26.93 s gammaloop-nextest-python-api>
  561. 26.93 s gammaloop-nextest-python-api> Location:
  562. 26.93 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  563. 26.93 s gammaloop-nextest-python-api>
  564. 26.93 s gammaloop-nextest-python-api> FAIL [ 0.522s] (4/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  565. 26.93 s gammaloop-nextest-python-api> stdout ---
  566. 26.93 s gammaloop-nextest-python-api>
  567. 26.93 s gammaloop-nextest-python-api> running 1 test
  568. 26.93 s gammaloop-nextest-python-api> test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  569. 26.93 s gammaloop-nextest-python-api>
  570. 26.93 s gammaloop-nextest-python-api> failures:
  571. 26.93 s gammaloop-nextest-python-api>
  572. 26.93 s gammaloop-nextest-python-api> failures:
  573. 26.93 s gammaloop-nextest-python-api> python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  574. 26.93 s gammaloop-nextest-python-api>
  575. 26.93 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.52s
  576. 26.93 s gammaloop-nextest-python-api>
  577. 26.93 s gammaloop-nextest-python-api> stderr ---
  578. 26.93 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  579. 26.93 s gammaloop-nextest-python-api> stdout:
  580. 26.93 s gammaloop-nextest-python-api>
  581. 26.93 s gammaloop-nextest-python-api> stderr:
  582. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.909] @gammaloop_api::se... INFO : Running command import model sm-default
  583. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.909] @import::model INFO : Loading built-in JSON model sm-default
  584. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  585. 26.93 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  586. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  587. 26.93 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-)
  588. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  589. 26.93 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
  590. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.936] @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]}}'
  591. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.936] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  592. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.937] @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
  593. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  594. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.941] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  595. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  596. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  597. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  598. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  599. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  600. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  601. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  602. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  603. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.043] @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)
  604. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.043] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  605. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.043] @commands::generate INFO : Generated cross-section 2 graphs.
  606. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.043] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  607. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.044] @gammaloop_api::se... INFO : Running command generate
  608. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.347] @commands::generate INFO :
  609. 26.93 s gammaloop-nextest-python-api> Integrand generation summary
  610. 26.93 s gammaloop-nextest-python-api> peak RAM 105.85 MiB | cores 1
  611. 26.93 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  612. 26.93 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  613. 26.93 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  614. 26.93 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 36ms (46%) │ 19ms (25%) │ 22ms (29%) │ 0ms (0.00%) │
  615. 26.93 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 55ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  616. 26.93 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  617. 26.93 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 91ms (35%) │ 77ms (30%) │ 89ms (35%) │ 0ms (0.00%) │
  618. 26.93 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  619. 26.93 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.348] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  620. 26.93 s gammaloop-nextest-python-api> The application panicked (crashed).
  621. 26.93 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  622. 26.93 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  623. 26.93 s gammaloop-nextest-python-api>
  624. 26.93 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  625. 26.93 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  626. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  627. 26.93 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  628. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  629. 26.93 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  630. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  631. 26.93 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  632. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  633. 26.93 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  634. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  635. 26.93 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  636. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  637. 26.93 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  638. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  639. 26.93 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  640. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  641. 26.93 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. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  643. 26.93 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. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  645. 26.93 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  646. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  647. 26.93 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  648. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  649. 26.93 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  650. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  651. 26.93 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  652. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  653. 26.93 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  654. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  655. 26.93 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  656. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  657. 26.93 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  658. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  659. 26.93 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  660. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  661. 26.93 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  662. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  663. 26.93 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  664. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  665. 26.93 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  666. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  667. 26.93 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  668. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  669. 26.93 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  670. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  671. 26.93 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  672. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  673. 26.93 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  674. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  675. 26.93 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  676. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  677. 26.93 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  678. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  679. 26.93 s gammaloop-nextest-python-api> 28: _start<unknown>
  680. 26.93 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  681. 26.93 s gammaloop-nextest-python-api>
  682. 26.93 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  683. 26.93 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  684. 26.93 s gammaloop-nextest-python-api> Traceback (most recent call last):
  685. 26.93 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  686. 26.93 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  687. 26.93 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  688. 26.93 s gammaloop-nextest-python-api>
  689. 26.94 s gammaloop-nextest-python-api>
  690. 26.94 s gammaloop-nextest-python-api> Location:
  691. 26.94 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  692. 26.94 s gammaloop-nextest-python-api>
  693. 26.94 s gammaloop-nextest-python-api> FAIL [ 0.585s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  694. 26.94 s gammaloop-nextest-python-api> stdout ---
  695. 26.94 s gammaloop-nextest-python-api>
  696. 26.94 s gammaloop-nextest-python-api> running 1 test
  697. 26.94 s gammaloop-nextest-python-api> test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  698. 26.94 s gammaloop-nextest-python-api>
  699. 26.94 s gammaloop-nextest-python-api> failures:
  700. 26.94 s gammaloop-nextest-python-api>
  701. 26.94 s gammaloop-nextest-python-api> failures:
  702. 26.94 s gammaloop-nextest-python-api> python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  703. 26.94 s gammaloop-nextest-python-api>
  704. 26.94 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.58s
  705. 26.94 s gammaloop-nextest-python-api>
  706. 26.94 s gammaloop-nextest-python-api> stderr ---
  707. 26.94 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  708. 26.94 s gammaloop-nextest-python-api> stdout:
  709. 26.94 s gammaloop-nextest-python-api>
  710. 26.94 s gammaloop-nextest-python-api> stderr:
  711. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.908] @gammaloop_api::se... INFO : Running command import model sm-default
  712. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.908] @import::model INFO : Loading built-in JSON model sm-default
  713. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  714. 26.94 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  715. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  716. 26.94 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-)
  717. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  718. 26.94 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
  719. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.936] @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]}}'
  720. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.937] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  721. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.937] @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
  722. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  723. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  724. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  725. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  726. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  727. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  728. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  729. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  730. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  731. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  732. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.041] @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)
  733. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.041] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  734. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.042] @commands::generate INFO : Generated cross-section 2 graphs.
  735. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.042] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  736. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.043] @gammaloop_api::se... INFO : Running command generate
  737. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.345] @commands::generate INFO :
  738. 26.94 s gammaloop-nextest-python-api> Integrand generation summary
  739. 26.94 s gammaloop-nextest-python-api> peak RAM 106.07 MiB | cores 1
  740. 26.94 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  741. 26.94 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  742. 26.94 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  743. 26.94 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 35ms (45%) │ 20ms (26%) │ 22ms (29%) │ 0ms (0.00%) │
  744. 26.94 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 55ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  745. 26.94 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  746. 26.94 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 90ms (35%) │ 77ms (30%) │ 89ms (35%) │ 0ms (0.00%) │
  747. 26.94 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  748. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.346] @gammaloop_api::se... INFO : Running command set process string '
  749. 26.94 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  750. 26.94 s gammaloop-nextest-python-api> type = "jet"
  751. 26.94 s gammaloop-nextest-python-api> quantity = "PT"
  752. 26.94 s gammaloop-nextest-python-api> dR = 0.4
  753. 26.94 s gammaloop-nextest-python-api> [...]
  754. 26.94 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.347] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  755. 26.94 s gammaloop-nextest-python-api> The application panicked (crashed).
  756. 26.94 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  757. 26.94 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  758. 26.94 s gammaloop-nextest-python-api>
  759. 26.94 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  760. 26.94 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  761. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  762. 26.94 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  763. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  764. 26.94 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  765. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  766. 26.94 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  767. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  768. 26.94 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  769. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  770. 26.94 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  771. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  772. 26.94 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  773. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  774. 26.94 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  775. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  776. 26.94 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>
  777. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  778. 26.94 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>
  779. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  780. 26.94 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  781. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  782. 26.94 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  783. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  784. 26.94 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  785. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  786. 26.94 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  787. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  788. 26.94 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  789. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  790. 26.94 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  791. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  792. 26.94 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  793. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  794. 26.94 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  795. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  796. 26.94 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  797. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  798. 26.94 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  799. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  800. 26.94 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  801. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  802. 26.94 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  803. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  804. 26.94 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  805. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  806. 26.94 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  807. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  808. 26.94 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  809. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  810. 26.94 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  811. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  812. 26.94 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  813. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  814. 26.94 s gammaloop-nextest-python-api> 28: _start<unknown>
  815. 26.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  816. 26.94 s gammaloop-nextest-python-api>
  817. 26.94 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  818. 26.94 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  819. 26.94 s gammaloop-nextest-python-api> Traceback (most recent call last):
  820. 26.94 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  821. 26.94 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  822. 26.94 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  823. 26.94 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  824. 26.94 s gammaloop-nextest-python-api>
  825. 26.94 s gammaloop-nextest-python-api>
  826. 26.94 s gammaloop-nextest-python-api> Location:
  827. 26.94 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  828. 26.94 s gammaloop-nextest-python-api>
  829. 26.94 s gammaloop-nextest-python-api> error: test run failed
  830. 26.97 s gammaloop-nextest-python-api>
  831. 26.97 s gammaloop-nextest-python-api> ========== nextest test summary ==========
  832. 26.97 s gammaloop-nextest-python-api> report: target/nextest/ci_gammaloop/junit.xml
  833. 26.97 s gammaloop-nextest-python-api> tests: 5, failures: 3, errors: 0
  834. 26.97 s gammaloop-nextest-python-api>
  835. 26.97 s gammaloop-nextest-python-api> 1. gammaloop-integration-tests::test_python_api::python_evaluate_sample_honors_generate_events_and_observable_snapshots
  836. 26.97 s gammaloop-nextest-python-api> failure: test failure with exit code 101
  837. 26.97 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  838. 26.97 s gammaloop-nextest-python-api> stdout:
  839. 26.97 s gammaloop-nextest-python-api>
  840. 26.97 s gammaloop-nextest-python-api> stderr:
  841. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.908] @gammaloop_api::se... INFO : Running command import model sm-default
  842. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.908] @import::model INFO : Loading built-in JSON model sm-default
  843. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  844. 26.97 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  845. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  846. 26.97 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-)
  847. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  848. 26.97 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
  849. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.936] @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]}}'
  850. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.937] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  851. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.937] @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
  852. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  853. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  854. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  855. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  856. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  857. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  858. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  859. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  860. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  861. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  862. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.037] @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)
  863. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.037] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  864. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.037] @commands::generate INFO : Generated cross-section 2 graphs.
  865. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.037] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  866. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.038] @gammaloop_api::se... INFO : Running command generate
  867. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.340] @commands::generate INFO :
  868. 26.97 s gammaloop-nextest-python-api> Integrand generation summary
  869. 26.97 s gammaloop-nextest-python-api> peak RAM 106.11 MiB | cores 1
  870. 26.97 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  871. 26.97 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  872. 26.97 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  873. 26.97 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 39ms (48%) │ 20ms (24%) │ 22ms (28%) │ 0ms (0.00%) │
  874. 26.97 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 56ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  875. 26.97 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  876. 26.97 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 95ms (36%) │ 77ms (30%) │ 89ms (34%) │ 0ms (0.00%) │
  877. 26.97 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  878. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.341] @gammaloop_api::se... INFO : Running command set process string '
  879. 26.97 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  880. 26.97 s gammaloop-nextest-python-api> type = "jet"
  881. 26.97 s gammaloop-nextest-python-api> quantity = "PT"
  882. 26.97 s gammaloop-nextest-python-api> dR = 0.4
  883. 26.97 s gammaloop-nextest-python-api> [...]
  884. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.342] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  885. 26.97 s gammaloop-nextest-python-api> The application panicked (crashed).
  886. 26.97 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  887. 26.97 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  888. 26.97 s gammaloop-nextest-python-api>
  889. 26.97 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  890. 26.97 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  891. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  892. 26.97 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  893. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  894. 26.97 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  895. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  896. 26.97 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  897. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  898. 26.97 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  899. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  900. 26.97 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  901. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  902. 26.97 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  903. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  904. 26.97 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  905. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  906. 26.97 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>
  907. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  908. 26.97 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>
  909. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  910. 26.97 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  911. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  912. 26.97 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  913. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  914. 26.97 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  915. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  916. 26.97 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  917. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  918. 26.97 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  919. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  920. 26.97 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  921. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  922. 26.97 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  923. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  924. 26.97 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  925. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  926. 26.97 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  927. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  928. 26.97 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  929. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  930. 26.97 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  931. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  932. 26.97 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  933. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  934. 26.97 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  935. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  936. 26.97 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  937. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  938. 26.97 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  939. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  940. 26.97 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  941. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  942. 26.97 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  943. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  944. 26.97 s gammaloop-nextest-python-api> 28: _start<unknown>
  945. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  946. 26.97 s gammaloop-nextest-python-api>
  947. 26.97 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  948. 26.97 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  949. 26.97 s gammaloop-nextest-python-api> Traceback (most recent call last):
  950. 26.97 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  951. 26.97 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  952. 26.97 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  953. 26.97 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  954. 26.97 s gammaloop-nextest-python-api>
  955. 26.97 s gammaloop-nextest-python-api>
  956. 26.97 s gammaloop-nextest-python-api> ... omitted 2 more lines; see full nextest output above
  957. 26.97 s gammaloop-nextest-python-api> system-out
  958. 26.97 s gammaloop-nextest-python-api> running 1 test
  959. 26.97 s gammaloop-nextest-python-api> test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  960. 26.97 s gammaloop-nextest-python-api>
  961. 26.97 s gammaloop-nextest-python-api> failures:
  962. 26.97 s gammaloop-nextest-python-api>
  963. 26.97 s gammaloop-nextest-python-api> failures:
  964. 26.97 s gammaloop-nextest-python-api> python_evaluate_sample_honors_generate_events_and_observable_snapshots
  965. 26.97 s gammaloop-nextest-python-api>
  966. 26.97 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.51s
  967. 26.97 s gammaloop-nextest-python-api> system-err
  968. 26.97 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  969. 26.97 s gammaloop-nextest-python-api> stdout:
  970. 26.97 s gammaloop-nextest-python-api>
  971. 26.97 s gammaloop-nextest-python-api> stderr:
  972. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.908] @gammaloop_api::se... INFO : Running command import model sm-default
  973. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.908] @import::model INFO : Loading built-in JSON model sm-default
  974. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  975. 26.97 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  976. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  977. 26.97 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-)
  978. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  979. 26.97 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
  980. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.936] @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]}}'
  981. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.937] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  982. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.937] @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
  983. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  984. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  985. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  986. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  987. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  988. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  989. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  990. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  991. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  992. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  993. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.037] @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)
  994. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.037] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  995. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.037] @commands::generate INFO : Generated cross-section 2 graphs.
  996. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.037] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  997. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.038] @gammaloop_api::se... INFO : Running command generate
  998. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.340] @commands::generate INFO :
  999. 26.97 s gammaloop-nextest-python-api> Integrand generation summary
  1000. 26.97 s gammaloop-nextest-python-api> peak RAM 106.11 MiB | cores 1
  1001. 26.97 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1002. 26.97 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1003. 26.97 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1004. 26.97 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 39ms (48%) │ 20ms (24%) │ 22ms (28%) │ 0ms (0.00%) │
  1005. 26.97 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 56ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  1006. 26.97 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1007. 26.97 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 95ms (36%) │ 77ms (30%) │ 89ms (34%) │ 0ms (0.00%) │
  1008. 26.97 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1009. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.341] @gammaloop_api::se... INFO : Running command set process string '
  1010. 26.97 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  1011. 26.97 s gammaloop-nextest-python-api> type = "jet"
  1012. 26.97 s gammaloop-nextest-python-api> quantity = "PT"
  1013. 26.97 s gammaloop-nextest-python-api> dR = 0.4
  1014. 26.97 s gammaloop-nextest-python-api> [...]
  1015. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.342] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  1016. 26.97 s gammaloop-nextest-python-api> The application panicked (crashed).
  1017. 26.97 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1018. 26.97 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1019. 26.97 s gammaloop-nextest-python-api>
  1020. 26.97 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1021. 26.97 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1022. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1023. 26.97 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1024. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1025. 26.97 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1026. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1027. 26.97 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1028. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1029. 26.97 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1030. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1031. 26.97 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1032. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1033. 26.97 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1034. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1035. 26.97 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1036. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1037. 26.97 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>
  1038. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1039. 26.97 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>
  1040. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1041. 26.97 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1042. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1043. 26.97 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1044. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1045. 26.97 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1046. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1047. 26.97 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1048. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1049. 26.97 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1050. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1051. 26.97 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1052. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1053. 26.97 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1054. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1055. 26.97 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1056. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1057. 26.97 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1058. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1059. 26.97 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1060. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1061. 26.97 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  1062. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1063. 26.97 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  1064. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1065. 26.97 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  1066. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1067. 26.97 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  1068. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1069. 26.97 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  1070. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1071. 26.97 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  1072. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1073. 26.97 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  1074. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1075. 26.97 s gammaloop-nextest-python-api> 28: _start<unknown>
  1076. 26.97 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1077. 26.97 s gammaloop-nextest-python-api>
  1078. 26.97 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1079. 26.97 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1080. 26.97 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1081. 26.97 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  1082. 26.97 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  1083. 26.97 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  1084. 26.97 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1085. 26.97 s gammaloop-nextest-python-api>
  1086. 26.97 s gammaloop-nextest-python-api>
  1087. 26.97 s gammaloop-nextest-python-api> ... omitted 2 more lines; see full nextest output above
  1088. 26.97 s gammaloop-nextest-python-api>
  1089. 26.97 s gammaloop-nextest-python-api> 2. gammaloop-integration-tests::test_python_api::python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1090. 26.97 s gammaloop-nextest-python-api> failure: test failure with exit code 101
  1091. 26.97 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1092. 26.97 s gammaloop-nextest-python-api> stdout:
  1093. 26.97 s gammaloop-nextest-python-api>
  1094. 26.97 s gammaloop-nextest-python-api> stderr:
  1095. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.909] @gammaloop_api::se... INFO : Running command import model sm-default
  1096. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.909] @import::model INFO : Loading built-in JSON model sm-default
  1097. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1098. 26.97 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1099. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1100. 26.97 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-)
  1101. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1102. 26.97 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
  1103. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.936] @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]}}'
  1104. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.936] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1105. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.937] @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
  1106. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1107. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.941] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1108. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1109. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1110. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1111. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1112. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1113. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1114. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1115. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1116. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.043] @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)
  1117. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.043] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1118. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.043] @commands::generate INFO : Generated cross-section 2 graphs.
  1119. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.043] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1120. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.044] @gammaloop_api::se... INFO : Running command generate
  1121. 26.97 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.347] @commands::generate INFO :
  1122. 26.97 s gammaloop-nextest-python-api> Integrand generation summary
  1123. 26.97 s gammaloop-nextest-python-api> peak RAM 105.85 MiB | cores 1
  1124. 26.97 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1125. 26.98 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1126. 26.98 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1127. 26.98 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 36ms (46%) │ 19ms (25%) │ 22ms (29%) │ 0ms (0.00%) │
  1128. 26.98 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 55ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  1129. 26.98 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1130. 26.98 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 91ms (35%) │ 77ms (30%) │ 89ms (35%) │ 0ms (0.00%) │
  1131. 26.98 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1132. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.348] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  1133. 26.98 s gammaloop-nextest-python-api> The application panicked (crashed).
  1134. 26.98 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1135. 26.98 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1136. 26.98 s gammaloop-nextest-python-api>
  1137. 26.98 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1138. 26.98 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1139. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1140. 26.98 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1141. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1142. 26.98 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1143. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1144. 26.98 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1145. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1146. 26.98 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1147. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1148. 26.98 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1149. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1150. 26.98 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1151. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1152. 26.98 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1153. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1154. 26.98 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>
  1155. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1156. 26.98 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>
  1157. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1158. 26.98 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1159. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1160. 26.98 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1161. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1162. 26.98 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1163. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1164. 26.98 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1165. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1166. 26.98 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1167. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1168. 26.98 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1169. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1170. 26.98 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1171. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1172. 26.98 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1173. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1174. 26.98 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1175. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1176. 26.98 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1177. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1178. 26.98 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  1179. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1180. 26.98 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  1181. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1182. 26.98 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  1183. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1184. 26.98 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  1185. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1186. 26.98 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  1187. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1188. 26.98 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  1189. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1190. 26.98 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  1191. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1192. 26.98 s gammaloop-nextest-python-api> 28: _start<unknown>
  1193. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1194. 26.98 s gammaloop-nextest-python-api>
  1195. 26.98 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1196. 26.98 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1197. 26.98 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1198. 26.98 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  1199. 26.98 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  1200. 26.98 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1201. 26.98 s gammaloop-nextest-python-api>
  1202. 26.98 s gammaloop-nextest-python-api>
  1203. 26.98 s gammaloop-nextest-python-api> Location:
  1204. 26.98 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1205. 26.98 s gammaloop-nextest-python-api> system-out
  1206. 26.98 s gammaloop-nextest-python-api> running 1 test
  1207. 26.98 s gammaloop-nextest-python-api> test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  1208. 26.98 s gammaloop-nextest-python-api>
  1209. 26.98 s gammaloop-nextest-python-api> failures:
  1210. 26.98 s gammaloop-nextest-python-api>
  1211. 26.98 s gammaloop-nextest-python-api> failures:
  1212. 26.98 s gammaloop-nextest-python-api> python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1213. 26.98 s gammaloop-nextest-python-api>
  1214. 26.98 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.52s
  1215. 26.98 s gammaloop-nextest-python-api> system-err
  1216. 26.98 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1217. 26.98 s gammaloop-nextest-python-api> stdout:
  1218. 26.98 s gammaloop-nextest-python-api>
  1219. 26.98 s gammaloop-nextest-python-api> stderr:
  1220. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.909] @gammaloop_api::se... INFO : Running command import model sm-default
  1221. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.909] @import::model INFO : Loading built-in JSON model sm-default
  1222. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1223. 26.98 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1224. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1225. 26.98 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-)
  1226. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1227. 26.98 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
  1228. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.936] @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]}}'
  1229. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.936] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1230. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.937] @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
  1231. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1232. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.941] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1233. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1234. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1235. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1236. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1237. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1238. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1239. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1240. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1241. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.043] @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)
  1242. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.043] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1243. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.043] @commands::generate INFO : Generated cross-section 2 graphs.
  1244. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.043] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1245. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.044] @gammaloop_api::se... INFO : Running command generate
  1246. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.347] @commands::generate INFO :
  1247. 26.98 s gammaloop-nextest-python-api> Integrand generation summary
  1248. 26.98 s gammaloop-nextest-python-api> peak RAM 105.85 MiB | cores 1
  1249. 26.98 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1250. 26.98 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1251. 26.98 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1252. 26.98 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 36ms (46%) │ 19ms (25%) │ 22ms (29%) │ 0ms (0.00%) │
  1253. 26.98 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 55ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  1254. 26.98 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1255. 26.98 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 91ms (35%) │ 77ms (30%) │ 89ms (35%) │ 0ms (0.00%) │
  1256. 26.98 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1257. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.348] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  1258. 26.98 s gammaloop-nextest-python-api> The application panicked (crashed).
  1259. 26.98 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1260. 26.98 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1261. 26.98 s gammaloop-nextest-python-api>
  1262. 26.98 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1263. 26.98 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1264. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1265. 26.98 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1266. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1267. 26.98 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1268. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1269. 26.98 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1270. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1271. 26.98 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1272. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1273. 26.98 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1274. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1275. 26.98 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1276. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1277. 26.98 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1278. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1279. 26.98 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>
  1280. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1281. 26.98 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>
  1282. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1283. 26.98 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1284. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1285. 26.98 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1286. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1287. 26.98 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1288. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1289. 26.98 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1290. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1291. 26.98 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1292. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1293. 26.98 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1294. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1295. 26.98 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1296. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1297. 26.98 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1298. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1299. 26.98 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1300. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1301. 26.98 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1302. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1303. 26.98 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  1304. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1305. 26.98 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  1306. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1307. 26.98 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  1308. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1309. 26.98 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  1310. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1311. 26.98 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  1312. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1313. 26.98 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  1314. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1315. 26.98 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  1316. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1317. 26.98 s gammaloop-nextest-python-api> 28: _start<unknown>
  1318. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1319. 26.98 s gammaloop-nextest-python-api>
  1320. 26.98 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1321. 26.98 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1322. 26.98 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1323. 26.98 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  1324. 26.98 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  1325. 26.98 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1326. 26.98 s gammaloop-nextest-python-api>
  1327. 26.98 s gammaloop-nextest-python-api>
  1328. 26.98 s gammaloop-nextest-python-api> Location:
  1329. 26.98 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1330. 26.98 s gammaloop-nextest-python-api>
  1331. 26.98 s gammaloop-nextest-python-api> 3. gammaloop-integration-tests::test_python_api::python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1332. 26.98 s gammaloop-nextest-python-api> failure: test failure with exit code 101
  1333. 26.98 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1334. 26.98 s gammaloop-nextest-python-api> stdout:
  1335. 26.98 s gammaloop-nextest-python-api>
  1336. 26.98 s gammaloop-nextest-python-api> stderr:
  1337. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.908] @gammaloop_api::se... INFO : Running command import model sm-default
  1338. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.908] @import::model INFO : Loading built-in JSON model sm-default
  1339. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1340. 26.98 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1341. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1342. 26.98 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-)
  1343. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1344. 26.98 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
  1345. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.936] @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]}}'
  1346. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.937] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1347. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.937] @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
  1348. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1349. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1350. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1351. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1352. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1353. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1354. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1355. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1356. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1357. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1358. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.041] @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)
  1359. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.041] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1360. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.042] @commands::generate INFO : Generated cross-section 2 graphs.
  1361. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.042] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1362. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.043] @gammaloop_api::se... INFO : Running command generate
  1363. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.345] @commands::generate INFO :
  1364. 26.98 s gammaloop-nextest-python-api> Integrand generation summary
  1365. 26.98 s gammaloop-nextest-python-api> peak RAM 106.07 MiB | cores 1
  1366. 26.98 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1367. 26.98 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1368. 26.98 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1369. 26.98 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 35ms (45%) │ 20ms (26%) │ 22ms (29%) │ 0ms (0.00%) │
  1370. 26.98 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 55ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  1371. 26.98 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1372. 26.98 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 90ms (35%) │ 77ms (30%) │ 89ms (35%) │ 0ms (0.00%) │
  1373. 26.98 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1374. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.346] @gammaloop_api::se... INFO : Running command set process string '
  1375. 26.98 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  1376. 26.98 s gammaloop-nextest-python-api> type = "jet"
  1377. 26.98 s gammaloop-nextest-python-api> quantity = "PT"
  1378. 26.98 s gammaloop-nextest-python-api> dR = 0.4
  1379. 26.98 s gammaloop-nextest-python-api> [...]
  1380. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.347] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  1381. 26.98 s gammaloop-nextest-python-api> The application panicked (crashed).
  1382. 26.98 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1383. 26.98 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1384. 26.98 s gammaloop-nextest-python-api>
  1385. 26.98 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1386. 26.98 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1387. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1388. 26.98 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1389. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1390. 26.98 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1391. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1392. 26.98 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1393. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1394. 26.98 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1395. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1396. 26.98 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1397. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1398. 26.98 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1399. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1400. 26.98 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1401. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1402. 26.98 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>
  1403. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1404. 26.98 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>
  1405. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1406. 26.98 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1407. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1408. 26.98 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1409. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1410. 26.98 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1411. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1412. 26.98 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1413. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1414. 26.98 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1415. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1416. 26.98 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  1417. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1418. 26.98 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  1419. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1420. 26.98 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1421. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1422. 26.98 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1423. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1424. 26.98 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1425. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1426. 26.98 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  1427. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1428. 26.98 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  1429. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1430. 26.98 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  1431. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1432. 26.98 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  1433. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1434. 26.98 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  1435. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1436. 26.98 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  1437. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1438. 26.98 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  1439. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1440. 26.98 s gammaloop-nextest-python-api> 28: _start<unknown>
  1441. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1442. 26.98 s gammaloop-nextest-python-api>
  1443. 26.98 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1444. 26.98 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1445. 26.98 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1446. 26.98 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  1447. 26.98 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  1448. 26.98 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  1449. 26.98 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1450. 26.98 s gammaloop-nextest-python-api>
  1451. 26.98 s gammaloop-nextest-python-api>
  1452. 26.98 s gammaloop-nextest-python-api> ... omitted 2 more lines; see full nextest output above
  1453. 26.98 s gammaloop-nextest-python-api> system-out
  1454. 26.98 s gammaloop-nextest-python-api> running 1 test
  1455. 26.98 s gammaloop-nextest-python-api> test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  1456. 26.98 s gammaloop-nextest-python-api>
  1457. 26.98 s gammaloop-nextest-python-api> failures:
  1458. 26.98 s gammaloop-nextest-python-api>
  1459. 26.98 s gammaloop-nextest-python-api> failures:
  1460. 26.98 s gammaloop-nextest-python-api> python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1461. 26.98 s gammaloop-nextest-python-api>
  1462. 26.98 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.58s
  1463. 26.98 s gammaloop-nextest-python-api> system-err
  1464. 26.98 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1465. 26.98 s gammaloop-nextest-python-api> stdout:
  1466. 26.98 s gammaloop-nextest-python-api>
  1467. 26.98 s gammaloop-nextest-python-api> stderr:
  1468. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.908] @gammaloop_api::se... INFO : Running command import model sm-default
  1469. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.908] @import::model INFO : Loading built-in JSON model sm-default
  1470. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1471. 26.98 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1472. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1473. 26.98 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-)
  1474. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1475. 26.98 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
  1476. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.936] @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]}}'
  1477. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.937] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1478. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.937] @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
  1479. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1480. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1481. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1482. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1483. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1484. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1485. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1486. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1487. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1488. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1489. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.041] @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)
  1490. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.041] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1491. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.042] @commands::generate INFO : Generated cross-section 2 graphs.
  1492. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.042] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1493. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.043] @gammaloop_api::se... INFO : Running command generate
  1494. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.345] @commands::generate INFO :
  1495. 26.98 s gammaloop-nextest-python-api> Integrand generation summary
  1496. 26.98 s gammaloop-nextest-python-api> peak RAM 106.07 MiB | cores 1
  1497. 26.98 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1498. 26.98 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1499. 26.98 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1500. 26.98 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 35ms (45%) │ 20ms (26%) │ 22ms (29%) │ 0ms (0.00%) │
  1501. 26.98 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 55ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  1502. 26.98 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1503. 26.98 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 90ms (35%) │ 77ms (30%) │ 89ms (35%) │ 0ms (0.00%) │
  1504. 26.98 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1505. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.346] @gammaloop_api::se... INFO : Running command set process string '
  1506. 26.98 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  1507. 26.98 s gammaloop-nextest-python-api> type = "jet"
  1508. 26.98 s gammaloop-nextest-python-api> quantity = "PT"
  1509. 26.98 s gammaloop-nextest-python-api> dR = 0.4
  1510. 26.98 s gammaloop-nextest-python-api> [...]
  1511. 26.98 s gammaloop-nextest-python-api> [2026-09-14 01:49:36.347] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  1512. 26.98 s gammaloop-nextest-python-api> The application panicked (crashed).
  1513. 26.98 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1514. 26.98 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1515. 26.98 s gammaloop-nextest-python-api>
  1516. 26.98 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1517. 26.98 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1518. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1519. 26.98 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1520. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1521. 26.98 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1522. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1523. 26.98 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1524. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1525. 26.98 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1526. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1527. 26.98 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1528. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1529. 26.98 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1530. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1531. 26.98 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1532. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1533. 26.98 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>
  1534. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1535. 26.98 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>
  1536. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1537. 26.98 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1538. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1539. 26.98 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1540. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1541. 26.98 s gammaloop-nextest-python-api> 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1542. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1543. 26.98 s gammaloop-nextest-python-api> 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1544. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1545. 26.98 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1546. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1547. 26.98 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  1548. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1549. 26.98 s gammaloop-nextest-python-api> 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  1550. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1551. 26.98 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1552. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1553. 26.98 s gammaloop-nextest-python-api> 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1554. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1555. 26.98 s gammaloop-nextest-python-api> 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1556. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1557. 26.98 s gammaloop-nextest-python-api> 21: _PyEval_EvalFrameDefault.localalias<unknown>
  1558. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1559. 26.98 s gammaloop-nextest-python-api> 22: PyEval_EvalCode.localalias<unknown>
  1560. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1561. 26.98 s gammaloop-nextest-python-api> 23: run_eval_code_obj<unknown>
  1562. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1563. 26.98 s gammaloop-nextest-python-api> 24: run_mod<unknown>
  1564. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1565. 26.98 s gammaloop-nextest-python-api> 25: Py_RunMain.localalias<unknown>
  1566. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1567. 26.98 s gammaloop-nextest-python-api> 26: __libc_start_call_main<unknown>
  1568. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1569. 26.98 s gammaloop-nextest-python-api> 27: __libc_start_main_alias_2<unknown>
  1570. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1571. 26.98 s gammaloop-nextest-python-api> 28: _start<unknown>
  1572. 26.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1573. 26.98 s gammaloop-nextest-python-api>
  1574. 26.98 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1575. 26.98 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1576. 26.98 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1577. 26.98 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  1578. 26.98 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  1579. 26.98 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  1580. 26.98 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1581. 26.98 s gammaloop-nextest-python-api>
  1582. 26.98 s gammaloop-nextest-python-api>
  1583. 26.98 s gammaloop-nextest-python-api> ... omitted 2 more lines; see full nextest output above
  1584. 26.98 s gammaloop-nextest-python-api> =========================================
  1585. 27.03 s error: Cannot build '/nix/store/01gn8dzfy70val75zfjka0c53k7ic6ry-gammaloop-nextest-python-api.drv'.
  1586. 27.03 s Reason: builder failed with exit code 100.
  1587. 27.03 s Output paths:
  1588. 27.03 s /nix/store/bdfhp5r6ifvar9wf0kcdqhc2cmivf290-gammaloop-nextest-python-api
  1589. 27.03 s Last 1565 log lines:
  1590. 27.03 s > Extracting 1 binary, 1 build script output directory, and 3 linked paths to /build/nextest-archive-kewN1N
  1591. 27.03 s > Extracted 18 files to /build/nextest-archive-kewN1N in 0.06s
  1592. 27.03 s > ------------
  1593. 27.03 s > Nextest run ID d4d42133-248e-43d8-90be-b575313096ad with nextest profile: ci_gammaloop
  1594. 27.03 s > Starting 5 tests across 1 binary
  1595. 27.03 s > FAIL [ 0.517s] (3/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  1596. 27.03 s > stdout ---
  1597. 27.03 s >
  1598. 27.03 s > running 1 test
  1599. 27.03 s > test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  1600. 27.03 s >
  1601. 27.03 s > failures:
  1602. 27.03 s >
  1603. 27.03 s > failures:
  1604. 27.03 s > python_evaluate_sample_honors_generate_events_and_observable_snapshots
  1605. 27.03 s >
  1606. 27.03 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.51s
  1607. 27.03 s >
  1608. 27.03 s > stderr ---
  1609. 27.03 s > Error: Python API test subprocess failed.
  1610. 27.03 s > stdout:
  1611. 27.03 s >
  1612. 27.03 s > stderr:
  1613. 27.03 s > [2026-09-14 01:49:35.908] @gammaloop_api::se... INFO : Running command import model sm-default
  1614. 27.03 s > [2026-09-14 01:49:35.908] @import::model INFO : Loading built-in JSON model sm-default
  1615. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1616. 27.03 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1617. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1618. 27.03 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-)
  1619. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1620. 27.03 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
  1621. 27.03 s > [2026-09-14 01:49:35.936] @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]}}'
  1622. 27.03 s > [2026-09-14 01:49:35.937] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1623. 27.03 s > [2026-09-14 01:49:35.937] @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
  1624. 27.03 s > [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1625. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1626. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1627. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1628. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1629. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1630. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1631. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1632. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1633. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1634. 27.03 s > [2026-09-14 01:49:36.037] @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)
  1635. 27.03 s > [2026-09-14 01:49:36.037] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1636. 27.03 s > [2026-09-14 01:49:36.037] @commands::generate INFO : Generated cross-section 2 graphs.
  1637. 27.03 s > [2026-09-14 01:49:36.037] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1638. 27.03 s > [2026-09-14 01:49:36.038] @gammaloop_api::se... INFO : Running command generate
  1639. 27.03 s > [2026-09-14 01:49:36.340] @commands::generate INFO :
  1640. 27.03 s > Integrand generation summary
  1641. 27.03 s > peak RAM 106.11 MiB | cores 1
  1642. 27.03 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1643. 27.03 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1644. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1645. 27.03 s > │ default │ GL0 │ 3 │ 39ms (48%) │ 20ms (24%) │ 22ms (28%) │ 0ms (0.00%) │
  1646. 27.03 s > │ default │ GL2 │ 5 │ 56ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  1647. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1648. 27.03 s > │ Total │ │ 8 │ 95ms (36%) │ 77ms (30%) │ 89ms (34%) │ 0ms (0.00%) │
  1649. 27.03 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1650. 27.03 s > [2026-09-14 01:49:36.341] @gammaloop_api::se... INFO : Running command set process string '
  1651. 27.03 s > [quantities.leading_jet_pt]
  1652. 27.03 s > type = "jet"
  1653. 27.03 s > quantity = "PT"
  1654. 27.03 s > dR = 0.4
  1655. 27.03 s > [...]
  1656. 27.03 s > [2026-09-14 01:49:36.342] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  1657. 27.03 s > The application panicked (crashed).
  1658. 27.03 s > Message: index out of bounds: the len is 0 but the index is 0
  1659. 27.03 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1660. 27.03 s >
  1661. 27.03 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1662. 27.03 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1663. 27.03 s > at <unknown source file>:<unknown line>
  1664. 27.03 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1665. 27.03 s > at <unknown source file>:<unknown line>
  1666. 27.03 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1667. 27.03 s > at <unknown source file>:<unknown line>
  1668. 27.03 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1669. 27.03 s > at <unknown source file>:<unknown line>
  1670. 27.03 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1671. 27.03 s > at <unknown source file>:<unknown line>
  1672. 27.03 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1673. 27.03 s > at <unknown source file>:<unknown line>
  1674. 27.03 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1675. 27.03 s > at <unknown source file>:<unknown line>
  1676. 27.03 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1677. 27.03 s > at <unknown source file>:<unknown line>
  1678. 27.03 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>
  1679. 27.03 s > at <unknown source file>:<unknown line>
  1680. 27.03 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>
  1681. 27.03 s > at <unknown source file>:<unknown line>
  1682. 27.03 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1683. 27.03 s > at <unknown source file>:<unknown line>
  1684. 27.03 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1685. 27.03 s > at <unknown source file>:<unknown line>
  1686. 27.03 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1687. 27.03 s > at <unknown source file>:<unknown line>
  1688. 27.03 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1689. 27.03 s > at <unknown source file>:<unknown line>
  1690. 27.03 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1691. 27.03 s > at <unknown source file>:<unknown line>
  1692. 27.03 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1693. 27.03 s > at <unknown source file>:<unknown line>
  1694. 27.03 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1695. 27.03 s > at <unknown source file>:<unknown line>
  1696. 27.03 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1697. 27.03 s > at <unknown source file>:<unknown line>
  1698. 27.03 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1699. 27.03 s > at <unknown source file>:<unknown line>
  1700. 27.03 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1701. 27.03 s > at <unknown source file>:<unknown line>
  1702. 27.03 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  1703. 27.03 s > at <unknown source file>:<unknown line>
  1704. 27.03 s > 22: PyEval_EvalCode.localalias<unknown>
  1705. 27.03 s > at <unknown source file>:<unknown line>
  1706. 27.03 s > 23: run_eval_code_obj<unknown>
  1707. 27.03 s > at <unknown source file>:<unknown line>
  1708. 27.03 s > 24: run_mod<unknown>
  1709. 27.03 s > at <unknown source file>:<unknown line>
  1710. 27.03 s > 25: Py_RunMain.localalias<unknown>
  1711. 27.03 s > at <unknown source file>:<unknown line>
  1712. 27.03 s > 26: __libc_start_call_main<unknown>
  1713. 27.03 s > at <unknown source file>:<unknown line>
  1714. 27.03 s > 27: __libc_start_main_alias_2<unknown>
  1715. 27.03 s > at <unknown source file>:<unknown line>
  1716. 27.03 s > 28: _start<unknown>
  1717. 27.03 s > at <unknown source file>:<unknown line>
  1718. 27.03 s >
  1719. 27.03 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1720. 27.03 s > Run with RUST_BACKTRACE=full to include source snippets.
  1721. 27.03 s > Traceback (most recent call last):
  1722. 27.03 s > File "<string>", line 78, in <module>
  1723. 27.03 s > without_events = summarize_result(api.evaluate_sample(point))
  1724. 27.03 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  1725. 27.03 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1726. 27.03 s >
  1727. 27.03 s >
  1728. 27.03 s > Location:
  1729. 27.03 s > tests/tests/test_python_api.rs:156:20
  1730. 27.03 s >
  1731. 27.03 s > FAIL [ 0.522s] (4/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1732. 27.03 s > stdout ---
  1733. 27.03 s >
  1734. 27.03 s > running 1 test
  1735. 27.03 s > test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  1736. 27.03 s >
  1737. 27.03 s > failures:
  1738. 27.03 s >
  1739. 27.03 s > failures:
  1740. 27.03 s > python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1741. 27.03 s >
  1742. 27.03 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.52s
  1743. 27.03 s >
  1744. 27.03 s > stderr ---
  1745. 27.03 s > Error: Python API test subprocess failed.
  1746. 27.03 s > stdout:
  1747. 27.03 s >
  1748. 27.03 s > stderr:
  1749. 27.03 s > [2026-09-14 01:49:35.909] @gammaloop_api::se... INFO : Running command import model sm-default
  1750. 27.03 s > [2026-09-14 01:49:35.909] @import::model INFO : Loading built-in JSON model sm-default
  1751. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1752. 27.03 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1753. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1754. 27.03 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-)
  1755. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1756. 27.03 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
  1757. 27.03 s > [2026-09-14 01:49:35.936] @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]}}'
  1758. 27.03 s > [2026-09-14 01:49:35.936] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1759. 27.03 s > [2026-09-14 01:49:35.937] @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
  1760. 27.03 s > [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1761. 27.03 s > [2026-09-14 01:49:35.941] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1762. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1763. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1764. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1765. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1766. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1767. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1768. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1769. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1770. 27.03 s > [2026-09-14 01:49:36.043] @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)
  1771. 27.03 s > [2026-09-14 01:49:36.043] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1772. 27.03 s > [2026-09-14 01:49:36.043] @commands::generate INFO : Generated cross-section 2 graphs.
  1773. 27.03 s > [2026-09-14 01:49:36.043] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1774. 27.03 s > [2026-09-14 01:49:36.044] @gammaloop_api::se... INFO : Running command generate
  1775. 27.03 s > [2026-09-14 01:49:36.347] @commands::generate INFO :
  1776. 27.03 s > Integrand generation summary
  1777. 27.03 s > peak RAM 105.85 MiB | cores 1
  1778. 27.03 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1779. 27.03 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1780. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1781. 27.03 s > │ default │ GL0 │ 3 │ 36ms (46%) │ 19ms (25%) │ 22ms (29%) │ 0ms (0.00%) │
  1782. 27.03 s > │ default │ GL2 │ 5 │ 55ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  1783. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1784. 27.03 s > │ Total │ │ 8 │ 91ms (35%) │ 77ms (30%) │ 89ms (35%) │ 0ms (0.00%) │
  1785. 27.03 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1786. 27.03 s > [2026-09-14 01:49:36.348] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  1787. 27.03 s > The application panicked (crashed).
  1788. 27.03 s > Message: index out of bounds: the len is 0 but the index is 0
  1789. 27.03 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1790. 27.03 s >
  1791. 27.03 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1792. 27.03 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1793. 27.03 s > at <unknown source file>:<unknown line>
  1794. 27.03 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1795. 27.03 s > at <unknown source file>:<unknown line>
  1796. 27.03 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1797. 27.03 s > at <unknown source file>:<unknown line>
  1798. 27.03 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1799. 27.03 s > at <unknown source file>:<unknown line>
  1800. 27.03 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1801. 27.03 s > at <unknown source file>:<unknown line>
  1802. 27.03 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1803. 27.03 s > at <unknown source file>:<unknown line>
  1804. 27.03 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1805. 27.03 s > at <unknown source file>:<unknown line>
  1806. 27.03 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1807. 27.03 s > at <unknown source file>:<unknown line>
  1808. 27.03 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>
  1809. 27.03 s > at <unknown source file>:<unknown line>
  1810. 27.03 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>
  1811. 27.03 s > at <unknown source file>:<unknown line>
  1812. 27.03 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1813. 27.03 s > at <unknown source file>:<unknown line>
  1814. 27.03 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1815. 27.03 s > at <unknown source file>:<unknown line>
  1816. 27.03 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1817. 27.03 s > at <unknown source file>:<unknown line>
  1818. 27.03 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1819. 27.03 s > at <unknown source file>:<unknown line>
  1820. 27.03 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1821. 27.03 s > at <unknown source file>:<unknown line>
  1822. 27.03 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1823. 27.03 s > at <unknown source file>:<unknown line>
  1824. 27.03 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1825. 27.03 s > at <unknown source file>:<unknown line>
  1826. 27.03 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1827. 27.03 s > at <unknown source file>:<unknown line>
  1828. 27.03 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1829. 27.03 s > at <unknown source file>:<unknown line>
  1830. 27.03 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1831. 27.03 s > at <unknown source file>:<unknown line>
  1832. 27.03 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  1833. 27.03 s > at <unknown source file>:<unknown line>
  1834. 27.03 s > 22: PyEval_EvalCode.localalias<unknown>
  1835. 27.03 s > at <unknown source file>:<unknown line>
  1836. 27.03 s > 23: run_eval_code_obj<unknown>
  1837. 27.03 s > at <unknown source file>:<unknown line>
  1838. 27.03 s > 24: run_mod<unknown>
  1839. 27.03 s > at <unknown source file>:<unknown line>
  1840. 27.03 s > 25: Py_RunMain.localalias<unknown>
  1841. 27.03 s > at <unknown source file>:<unknown line>
  1842. 27.03 s > 26: __libc_start_call_main<unknown>
  1843. 27.03 s > at <unknown source file>:<unknown line>
  1844. 27.03 s > 27: __libc_start_main_alias_2<unknown>
  1845. 27.03 s > at <unknown source file>:<unknown line>
  1846. 27.03 s > 28: _start<unknown>
  1847. 27.03 s > at <unknown source file>:<unknown line>
  1848. 27.03 s >
  1849. 27.03 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1850. 27.03 s > Run with RUST_BACKTRACE=full to include source snippets.
  1851. 27.03 s > Traceback (most recent call last):
  1852. 27.03 s > File "<string>", line 78, in <module>
  1853. 27.03 s > result = api.evaluate_sample(point)
  1854. 27.03 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1855. 27.03 s >
  1856. 27.03 s >
  1857. 27.03 s > Location:
  1858. 27.03 s > tests/tests/test_python_api.rs:156:20
  1859. 27.03 s >
  1860. 27.03 s > FAIL [ 0.585s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1861. 27.03 s > stdout ---
  1862. 27.03 s >
  1863. 27.03 s > running 1 test
  1864. 27.03 s > test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  1865. 27.03 s >
  1866. 27.03 s > failures:
  1867. 27.03 s >
  1868. 27.03 s > failures:
  1869. 27.03 s > python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1870. 27.03 s >
  1871. 27.03 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.58s
  1872. 27.03 s >
  1873. 27.03 s > stderr ---
  1874. 27.03 s > Error: Python API test subprocess failed.
  1875. 27.03 s > stdout:
  1876. 27.03 s >
  1877. 27.03 s > stderr:
  1878. 27.03 s > [2026-09-14 01:49:35.908] @gammaloop_api::se... INFO : Running command import model sm-default
  1879. 27.03 s > [2026-09-14 01:49:35.908] @import::model INFO : Loading built-in JSON model sm-default
  1880. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1881. 27.03 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1882. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1883. 27.03 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-)
  1884. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1885. 27.03 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
  1886. 27.03 s > [2026-09-14 01:49:35.936] @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]}}'
  1887. 27.03 s > [2026-09-14 01:49:35.937] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1888. 27.03 s > [2026-09-14 01:49:35.937] @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
  1889. 27.03 s > [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1890. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1891. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1892. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1893. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1894. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1895. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1896. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1897. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1898. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1899. 27.03 s > [2026-09-14 01:49:36.041] @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)
  1900. 27.03 s > [2026-09-14 01:49:36.041] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1901. 27.03 s > [2026-09-14 01:49:36.042] @commands::generate INFO : Generated cross-section 2 graphs.
  1902. 27.03 s > [2026-09-14 01:49:36.042] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1903. 27.03 s > [2026-09-14 01:49:36.043] @gammaloop_api::se... INFO : Running command generate
  1904. 27.03 s > [2026-09-14 01:49:36.345] @commands::generate INFO :
  1905. 27.03 s > Integrand generation summary
  1906. 27.03 s > peak RAM 106.07 MiB | cores 1
  1907. 27.03 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1908. 27.03 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1909. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1910. 27.03 s > │ default │ GL0 │ 3 │ 35ms (45%) │ 20ms (26%) │ 22ms (29%) │ 0ms (0.00%) │
  1911. 27.03 s > │ default │ GL2 │ 5 │ 55ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  1912. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1913. 27.03 s > │ Total │ │ 8 │ 90ms (35%) │ 77ms (30%) │ 89ms (35%) │ 0ms (0.00%) │
  1914. 27.03 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1915. 27.03 s > [2026-09-14 01:49:36.346] @gammaloop_api::se... INFO : Running command set process string '
  1916. 27.03 s > [quantities.leading_jet_pt]
  1917. 27.03 s > type = "jet"
  1918. 27.03 s > quantity = "PT"
  1919. 27.03 s > dR = 0.4
  1920. 27.03 s > [...]
  1921. 27.03 s > [2026-09-14 01:49:36.347] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  1922. 27.03 s > The application panicked (crashed).
  1923. 27.03 s > Message: index out of bounds: the len is 0 but the index is 0
  1924. 27.03 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1925. 27.03 s >
  1926. 27.03 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1927. 27.03 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1928. 27.03 s > at <unknown source file>:<unknown line>
  1929. 27.03 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1930. 27.03 s > at <unknown source file>:<unknown line>
  1931. 27.03 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1932. 27.03 s > at <unknown source file>:<unknown line>
  1933. 27.03 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1934. 27.03 s > at <unknown source file>:<unknown line>
  1935. 27.03 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1936. 27.03 s > at <unknown source file>:<unknown line>
  1937. 27.03 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1938. 27.03 s > at <unknown source file>:<unknown line>
  1939. 27.03 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1940. 27.03 s > at <unknown source file>:<unknown line>
  1941. 27.03 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1942. 27.03 s > at <unknown source file>:<unknown line>
  1943. 27.03 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>
  1944. 27.03 s > at <unknown source file>:<unknown line>
  1945. 27.03 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>
  1946. 27.03 s > at <unknown source file>:<unknown line>
  1947. 27.03 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1948. 27.03 s > at <unknown source file>:<unknown line>
  1949. 27.03 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1950. 27.03 s > at <unknown source file>:<unknown line>
  1951. 27.03 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1952. 27.03 s > at <unknown source file>:<unknown line>
  1953. 27.03 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1954. 27.03 s > at <unknown source file>:<unknown line>
  1955. 27.03 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1956. 27.03 s > at <unknown source file>:<unknown line>
  1957. 27.03 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  1958. 27.03 s > at <unknown source file>:<unknown line>
  1959. 27.03 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  1960. 27.03 s > at <unknown source file>:<unknown line>
  1961. 27.03 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1962. 27.03 s > at <unknown source file>:<unknown line>
  1963. 27.03 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1964. 27.03 s > at <unknown source file>:<unknown line>
  1965. 27.03 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1966. 27.03 s > at <unknown source file>:<unknown line>
  1967. 27.03 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  1968. 27.03 s > at <unknown source file>:<unknown line>
  1969. 27.03 s > 22: PyEval_EvalCode.localalias<unknown>
  1970. 27.03 s > at <unknown source file>:<unknown line>
  1971. 27.03 s > 23: run_eval_code_obj<unknown>
  1972. 27.03 s > at <unknown source file>:<unknown line>
  1973. 27.03 s > 24: run_mod<unknown>
  1974. 27.03 s > at <unknown source file>:<unknown line>
  1975. 27.03 s > 25: Py_RunMain.localalias<unknown>
  1976. 27.03 s > at <unknown source file>:<unknown line>
  1977. 27.03 s > 26: __libc_start_call_main<unknown>
  1978. 27.03 s > at <unknown source file>:<unknown line>
  1979. 27.03 s > 27: __libc_start_main_alias_2<unknown>
  1980. 27.03 s > at <unknown source file>:<unknown line>
  1981. 27.03 s > 28: _start<unknown>
  1982. 27.03 s > at <unknown source file>:<unknown line>
  1983. 27.03 s >
  1984. 27.03 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1985. 27.03 s > Run with RUST_BACKTRACE=full to include source snippets.
  1986. 27.03 s > Traceback (most recent call last):
  1987. 27.03 s > File "<string>", line 85, in <module>
  1988. 27.03 s > batch = summarize_batch_result(api.evaluate_samples(points))
  1989. 27.03 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  1990. 27.03 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1991. 27.03 s >
  1992. 27.03 s >
  1993. 27.03 s > Location:
  1994. 27.03 s > tests/tests/test_python_api.rs:156:20
  1995. 27.03 s >
  1996. 27.03 s > ------------
  1997. 27.03 s > Summary [ 0.586s] 5 tests run: 2 passed, 3 failed, 0 skipped
  1998. 27.03 s > FAIL [ 0.517s] (3/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  1999. 27.03 s > stdout ---
  2000. 27.03 s >
  2001. 27.03 s > running 1 test
  2002. 27.03 s > test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  2003. 27.03 s >
  2004. 27.03 s > failures:
  2005. 27.03 s >
  2006. 27.03 s > failures:
  2007. 27.03 s > python_evaluate_sample_honors_generate_events_and_observable_snapshots
  2008. 27.03 s >
  2009. 27.03 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.51s
  2010. 27.03 s >
  2011. 27.03 s > stderr ---
  2012. 27.03 s > Error: Python API test subprocess failed.
  2013. 27.03 s > stdout:
  2014. 27.03 s >
  2015. 27.03 s > stderr:
  2016. 27.03 s > [2026-09-14 01:49:35.908] @gammaloop_api::se... INFO : Running command import model sm-default
  2017. 27.03 s > [2026-09-14 01:49:35.908] @import::model INFO : Loading built-in JSON model sm-default
  2018. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2019. 27.03 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2020. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2021. 27.03 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-)
  2022. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2023. 27.03 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
  2024. 27.03 s > [2026-09-14 01:49:35.936] @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]}}'
  2025. 27.03 s > [2026-09-14 01:49:35.937] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2026. 27.03 s > [2026-09-14 01:49:35.937] @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
  2027. 27.03 s > [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2028. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2029. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2030. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2031. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2032. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2033. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2034. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2035. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2036. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2037. 27.03 s > [2026-09-14 01:49:36.037] @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)
  2038. 27.03 s > [2026-09-14 01:49:36.037] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2039. 27.03 s > [2026-09-14 01:49:36.037] @commands::generate INFO : Generated cross-section 2 graphs.
  2040. 27.03 s > [2026-09-14 01:49:36.037] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2041. 27.03 s > [2026-09-14 01:49:36.038] @gammaloop_api::se... INFO : Running command generate
  2042. 27.03 s > [2026-09-14 01:49:36.340] @commands::generate INFO :
  2043. 27.03 s > Integrand generation summary
  2044. 27.03 s > peak RAM 106.11 MiB | cores 1
  2045. 27.03 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2046. 27.03 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2047. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2048. 27.03 s > │ default │ GL0 │ 3 │ 39ms (48%) │ 20ms (24%) │ 22ms (28%) │ 0ms (0.00%) │
  2049. 27.03 s > │ default │ GL2 │ 5 │ 56ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  2050. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2051. 27.03 s > │ Total │ │ 8 │ 95ms (36%) │ 77ms (30%) │ 89ms (34%) │ 0ms (0.00%) │
  2052. 27.03 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2053. 27.03 s > [2026-09-14 01:49:36.341] @gammaloop_api::se... INFO : Running command set process string '
  2054. 27.03 s > [quantities.leading_jet_pt]
  2055. 27.03 s > type = "jet"
  2056. 27.03 s > quantity = "PT"
  2057. 27.03 s > dR = 0.4
  2058. 27.03 s > [...]
  2059. 27.03 s > [2026-09-14 01:49:36.342] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  2060. 27.03 s > The application panicked (crashed).
  2061. 27.03 s > Message: index out of bounds: the len is 0 but the index is 0
  2062. 27.03 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2063. 27.03 s >
  2064. 27.03 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2065. 27.03 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2066. 27.03 s > at <unknown source file>:<unknown line>
  2067. 27.03 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2068. 27.03 s > at <unknown source file>:<unknown line>
  2069. 27.03 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2070. 27.03 s > at <unknown source file>:<unknown line>
  2071. 27.03 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2072. 27.03 s > at <unknown source file>:<unknown line>
  2073. 27.03 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2074. 27.03 s > at <unknown source file>:<unknown line>
  2075. 27.03 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2076. 27.03 s > at <unknown source file>:<unknown line>
  2077. 27.03 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2078. 27.03 s > at <unknown source file>:<unknown line>
  2079. 27.03 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2080. 27.03 s > at <unknown source file>:<unknown line>
  2081. 27.03 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>
  2082. 27.03 s > at <unknown source file>:<unknown line>
  2083. 27.03 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>
  2084. 27.03 s > at <unknown source file>:<unknown line>
  2085. 27.03 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2086. 27.03 s > at <unknown source file>:<unknown line>
  2087. 27.03 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2088. 27.03 s > at <unknown source file>:<unknown line>
  2089. 27.03 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2090. 27.03 s > at <unknown source file>:<unknown line>
  2091. 27.03 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2092. 27.03 s > at <unknown source file>:<unknown line>
  2093. 27.03 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2094. 27.03 s > at <unknown source file>:<unknown line>
  2095. 27.03 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2096. 27.03 s > at <unknown source file>:<unknown line>
  2097. 27.03 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2098. 27.03 s > at <unknown source file>:<unknown line>
  2099. 27.03 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2100. 27.03 s > at <unknown source file>:<unknown line>
  2101. 27.03 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2102. 27.03 s > at <unknown source file>:<unknown line>
  2103. 27.03 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2104. 27.03 s > at <unknown source file>:<unknown line>
  2105. 27.03 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  2106. 27.03 s > at <unknown source file>:<unknown line>
  2107. 27.03 s > 22: PyEval_EvalCode.localalias<unknown>
  2108. 27.03 s > at <unknown source file>:<unknown line>
  2109. 27.03 s > 23: run_eval_code_obj<unknown>
  2110. 27.03 s > at <unknown source file>:<unknown line>
  2111. 27.03 s > 24: run_mod<unknown>
  2112. 27.03 s > at <unknown source file>:<unknown line>
  2113. 27.03 s > 25: Py_RunMain.localalias<unknown>
  2114. 27.03 s > at <unknown source file>:<unknown line>
  2115. 27.03 s > 26: __libc_start_call_main<unknown>
  2116. 27.03 s > at <unknown source file>:<unknown line>
  2117. 27.03 s > 27: __libc_start_main_alias_2<unknown>
  2118. 27.03 s > at <unknown source file>:<unknown line>
  2119. 27.03 s > 28: _start<unknown>
  2120. 27.03 s > at <unknown source file>:<unknown line>
  2121. 27.03 s >
  2122. 27.03 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2123. 27.03 s > Run with RUST_BACKTRACE=full to include source snippets.
  2124. 27.03 s > Traceback (most recent call last):
  2125. 27.03 s > File "<string>", line 78, in <module>
  2126. 27.03 s > without_events = summarize_result(api.evaluate_sample(point))
  2127. 27.03 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  2128. 27.03 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2129. 27.03 s >
  2130. 27.03 s >
  2131. 27.03 s > Location:
  2132. 27.03 s > tests/tests/test_python_api.rs:156:20
  2133. 27.03 s >
  2134. 27.03 s > FAIL [ 0.522s] (4/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  2135. 27.03 s > stdout ---
  2136. 27.03 s >
  2137. 27.03 s > running 1 test
  2138. 27.03 s > test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  2139. 27.03 s >
  2140. 27.03 s > failures:
  2141. 27.03 s >
  2142. 27.03 s > failures:
  2143. 27.03 s > python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  2144. 27.03 s >
  2145. 27.03 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.52s
  2146. 27.03 s >
  2147. 27.03 s > stderr ---
  2148. 27.03 s > Error: Python API test subprocess failed.
  2149. 27.03 s > stdout:
  2150. 27.03 s >
  2151. 27.03 s > stderr:
  2152. 27.03 s > [2026-09-14 01:49:35.909] @gammaloop_api::se... INFO : Running command import model sm-default
  2153. 27.03 s > [2026-09-14 01:49:35.909] @import::model INFO : Loading built-in JSON model sm-default
  2154. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2155. 27.03 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2156. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2157. 27.03 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-)
  2158. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2159. 27.03 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
  2160. 27.03 s > [2026-09-14 01:49:35.936] @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]}}'
  2161. 27.03 s > [2026-09-14 01:49:35.936] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2162. 27.03 s > [2026-09-14 01:49:35.937] @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
  2163. 27.03 s > [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2164. 27.03 s > [2026-09-14 01:49:35.941] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2165. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2166. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2167. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2168. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2169. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2170. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2171. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2172. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2173. 27.03 s > [2026-09-14 01:49:36.043] @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)
  2174. 27.03 s > [2026-09-14 01:49:36.043] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2175. 27.03 s > [2026-09-14 01:49:36.043] @commands::generate INFO : Generated cross-section 2 graphs.
  2176. 27.03 s > [2026-09-14 01:49:36.043] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2177. 27.03 s > [2026-09-14 01:49:36.044] @gammaloop_api::se... INFO : Running command generate
  2178. 27.03 s > [2026-09-14 01:49:36.347] @commands::generate INFO :
  2179. 27.03 s > Integrand generation summary
  2180. 27.03 s > peak RAM 105.85 MiB | cores 1
  2181. 27.03 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2182. 27.03 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2183. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2184. 27.03 s > │ default │ GL0 │ 3 │ 36ms (46%) │ 19ms (25%) │ 22ms (29%) │ 0ms (0.00%) │
  2185. 27.03 s > │ default │ GL2 │ 5 │ 55ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  2186. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2187. 27.03 s > │ Total │ │ 8 │ 91ms (35%) │ 77ms (30%) │ 89ms (35%) │ 0ms (0.00%) │
  2188. 27.03 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2189. 27.03 s > [2026-09-14 01:49:36.348] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  2190. 27.03 s > The application panicked (crashed).
  2191. 27.03 s > Message: index out of bounds: the len is 0 but the index is 0
  2192. 27.03 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2193. 27.03 s >
  2194. 27.03 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2195. 27.03 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2196. 27.03 s > at <unknown source file>:<unknown line>
  2197. 27.03 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2198. 27.03 s > at <unknown source file>:<unknown line>
  2199. 27.03 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2200. 27.03 s > at <unknown source file>:<unknown line>
  2201. 27.03 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2202. 27.03 s > at <unknown source file>:<unknown line>
  2203. 27.03 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2204. 27.03 s > at <unknown source file>:<unknown line>
  2205. 27.03 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2206. 27.03 s > at <unknown source file>:<unknown line>
  2207. 27.03 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2208. 27.03 s > at <unknown source file>:<unknown line>
  2209. 27.03 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2210. 27.03 s > at <unknown source file>:<unknown line>
  2211. 27.03 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>
  2212. 27.03 s > at <unknown source file>:<unknown line>
  2213. 27.03 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>
  2214. 27.03 s > at <unknown source file>:<unknown line>
  2215. 27.03 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2216. 27.03 s > at <unknown source file>:<unknown line>
  2217. 27.03 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2218. 27.03 s > at <unknown source file>:<unknown line>
  2219. 27.03 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2220. 27.03 s > at <unknown source file>:<unknown line>
  2221. 27.03 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2222. 27.03 s > at <unknown source file>:<unknown line>
  2223. 27.03 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2224. 27.03 s > at <unknown source file>:<unknown line>
  2225. 27.03 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2226. 27.03 s > at <unknown source file>:<unknown line>
  2227. 27.03 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2228. 27.03 s > at <unknown source file>:<unknown line>
  2229. 27.03 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2230. 27.03 s > at <unknown source file>:<unknown line>
  2231. 27.03 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2232. 27.03 s > at <unknown source file>:<unknown line>
  2233. 27.03 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2234. 27.03 s > at <unknown source file>:<unknown line>
  2235. 27.03 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  2236. 27.03 s > at <unknown source file>:<unknown line>
  2237. 27.03 s > 22: PyEval_EvalCode.localalias<unknown>
  2238. 27.03 s > at <unknown source file>:<unknown line>
  2239. 27.03 s > 23: run_eval_code_obj<unknown>
  2240. 27.03 s > at <unknown source file>:<unknown line>
  2241. 27.03 s > 24: run_mod<unknown>
  2242. 27.03 s > at <unknown source file>:<unknown line>
  2243. 27.03 s > 25: Py_RunMain.localalias<unknown>
  2244. 27.03 s > at <unknown source file>:<unknown line>
  2245. 27.03 s > 26: __libc_start_call_main<unknown>
  2246. 27.03 s > at <unknown source file>:<unknown line>
  2247. 27.03 s > 27: __libc_start_main_alias_2<unknown>
  2248. 27.03 s > at <unknown source file>:<unknown line>
  2249. 27.03 s > 28: _start<unknown>
  2250. 27.03 s > at <unknown source file>:<unknown line>
  2251. 27.03 s >
  2252. 27.03 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2253. 27.03 s > Run with RUST_BACKTRACE=full to include source snippets.
  2254. 27.03 s > Traceback (most recent call last):
  2255. 27.03 s > File "<string>", line 78, in <module>
  2256. 27.03 s > result = api.evaluate_sample(point)
  2257. 27.03 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2258. 27.03 s >
  2259. 27.03 s >
  2260. 27.03 s > Location:
  2261. 27.03 s > tests/tests/test_python_api.rs:156:20
  2262. 27.03 s >
  2263. 27.03 s > FAIL [ 0.585s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  2264. 27.03 s > stdout ---
  2265. 27.03 s >
  2266. 27.03 s > running 1 test
  2267. 27.03 s > test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  2268. 27.03 s >
  2269. 27.03 s > failures:
  2270. 27.03 s >
  2271. 27.03 s > failures:
  2272. 27.03 s > python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  2273. 27.03 s >
  2274. 27.03 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.58s
  2275. 27.03 s >
  2276. 27.03 s > stderr ---
  2277. 27.03 s > Error: Python API test subprocess failed.
  2278. 27.03 s > stdout:
  2279. 27.03 s >
  2280. 27.03 s > stderr:
  2281. 27.03 s > [2026-09-14 01:49:35.908] @gammaloop_api::se... INFO : Running command import model sm-default
  2282. 27.03 s > [2026-09-14 01:49:35.908] @import::model INFO : Loading built-in JSON model sm-default
  2283. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2284. 27.03 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2285. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2286. 27.03 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-)
  2287. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2288. 27.03 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
  2289. 27.03 s > [2026-09-14 01:49:35.936] @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]}}'
  2290. 27.03 s > [2026-09-14 01:49:35.937] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2291. 27.03 s > [2026-09-14 01:49:35.937] @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
  2292. 27.03 s > [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2293. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2294. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2295. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2296. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2297. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2298. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2299. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2300. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2301. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2302. 27.03 s > [2026-09-14 01:49:36.041] @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)
  2303. 27.03 s > [2026-09-14 01:49:36.041] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2304. 27.03 s > [2026-09-14 01:49:36.042] @commands::generate INFO : Generated cross-section 2 graphs.
  2305. 27.03 s > [2026-09-14 01:49:36.042] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2306. 27.03 s > [2026-09-14 01:49:36.043] @gammaloop_api::se... INFO : Running command generate
  2307. 27.03 s > [2026-09-14 01:49:36.345] @commands::generate INFO :
  2308. 27.03 s > Integrand generation summary
  2309. 27.03 s > peak RAM 106.07 MiB | cores 1
  2310. 27.03 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2311. 27.03 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2312. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2313. 27.03 s > │ default │ GL0 │ 3 │ 35ms (45%) │ 20ms (26%) │ 22ms (29%) │ 0ms (0.00%) │
  2314. 27.03 s > │ default │ GL2 │ 5 │ 55ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  2315. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2316. 27.03 s > │ Total │ │ 8 │ 90ms (35%) │ 77ms (30%) │ 89ms (35%) │ 0ms (0.00%) │
  2317. 27.03 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2318. 27.03 s > [2026-09-14 01:49:36.346] @gammaloop_api::se... INFO : Running command set process string '
  2319. 27.03 s > [quantities.leading_jet_pt]
  2320. 27.03 s > type = "jet"
  2321. 27.03 s > quantity = "PT"
  2322. 27.03 s > dR = 0.4
  2323. 27.03 s > [...]
  2324. 27.03 s > [2026-09-14 01:49:36.347] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  2325. 27.03 s > The application panicked (crashed).
  2326. 27.03 s > Message: index out of bounds: the len is 0 but the index is 0
  2327. 27.03 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2328. 27.03 s >
  2329. 27.03 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2330. 27.03 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2331. 27.03 s > at <unknown source file>:<unknown line>
  2332. 27.03 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2333. 27.03 s > at <unknown source file>:<unknown line>
  2334. 27.03 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2335. 27.03 s > at <unknown source file>:<unknown line>
  2336. 27.03 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2337. 27.03 s > at <unknown source file>:<unknown line>
  2338. 27.03 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2339. 27.03 s > at <unknown source file>:<unknown line>
  2340. 27.03 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2341. 27.03 s > at <unknown source file>:<unknown line>
  2342. 27.03 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2343. 27.03 s > at <unknown source file>:<unknown line>
  2344. 27.03 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2345. 27.03 s > at <unknown source file>:<unknown line>
  2346. 27.03 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>
  2347. 27.03 s > at <unknown source file>:<unknown line>
  2348. 27.03 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>
  2349. 27.03 s > at <unknown source file>:<unknown line>
  2350. 27.03 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2351. 27.03 s > at <unknown source file>:<unknown line>
  2352. 27.03 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2353. 27.03 s > at <unknown source file>:<unknown line>
  2354. 27.03 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2355. 27.03 s > at <unknown source file>:<unknown line>
  2356. 27.03 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2357. 27.03 s > at <unknown source file>:<unknown line>
  2358. 27.03 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2359. 27.03 s > at <unknown source file>:<unknown line>
  2360. 27.03 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  2361. 27.03 s > at <unknown source file>:<unknown line>
  2362. 27.03 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  2363. 27.03 s > at <unknown source file>:<unknown line>
  2364. 27.03 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2365. 27.03 s > at <unknown source file>:<unknown line>
  2366. 27.03 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2367. 27.03 s > at <unknown source file>:<unknown line>
  2368. 27.03 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2369. 27.03 s > at <unknown source file>:<unknown line>
  2370. 27.03 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  2371. 27.03 s > at <unknown source file>:<unknown line>
  2372. 27.03 s > 22: PyEval_EvalCode.localalias<unknown>
  2373. 27.03 s > at <unknown source file>:<unknown line>
  2374. 27.03 s > 23: run_eval_code_obj<unknown>
  2375. 27.03 s > at <unknown source file>:<unknown line>
  2376. 27.03 s > 24: run_mod<unknown>
  2377. 27.03 s > at <unknown source file>:<unknown line>
  2378. 27.03 s > 25: Py_RunMain.localalias<unknown>
  2379. 27.03 s > at <unknown source file>:<unknown line>
  2380. 27.03 s > 26: __libc_start_call_main<unknown>
  2381. 27.03 s > at <unknown source file>:<unknown line>
  2382. 27.03 s > 27: __libc_start_main_alias_2<unknown>
  2383. 27.03 s > at <unknown source file>:<unknown line>
  2384. 27.03 s > 28: _start<unknown>
  2385. 27.03 s > at <unknown source file>:<unknown line>
  2386. 27.03 s >
  2387. 27.03 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2388. 27.03 s > Run with RUST_BACKTRACE=full to include source snippets.
  2389. 27.03 s > Traceback (most recent call last):
  2390. 27.03 s > File "<string>", line 85, in <module>
  2391. 27.03 s > batch = summarize_batch_result(api.evaluate_samples(points))
  2392. 27.03 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  2393. 27.03 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2394. 27.03 s >
  2395. 27.03 s >
  2396. 27.03 s > Location:
  2397. 27.03 s > tests/tests/test_python_api.rs:156:20
  2398. 27.03 s >
  2399. 27.03 s > error: test run failed
  2400. 27.03 s >
  2401. 27.03 s > ========== nextest test summary ==========
  2402. 27.03 s > report: target/nextest/ci_gammaloop/junit.xml
  2403. 27.03 s > tests: 5, failures: 3, errors: 0
  2404. 27.03 s >
  2405. 27.03 s > 1. gammaloop-integration-tests::test_python_api::python_evaluate_sample_honors_generate_events_and_observable_snapshots
  2406. 27.03 s > failure: test failure with exit code 101
  2407. 27.03 s > Error: Python API test subprocess failed.
  2408. 27.03 s > stdout:
  2409. 27.03 s >
  2410. 27.03 s > stderr:
  2411. 27.03 s > [2026-09-14 01:49:35.908] @gammaloop_api::se... INFO : Running command import model sm-default
  2412. 27.03 s > [2026-09-14 01:49:35.908] @import::model INFO : Loading built-in JSON model sm-default
  2413. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2414. 27.03 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2415. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2416. 27.03 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-)
  2417. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2418. 27.03 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
  2419. 27.03 s > [2026-09-14 01:49:35.936] @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]}}'
  2420. 27.03 s > [2026-09-14 01:49:35.937] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2421. 27.03 s > [2026-09-14 01:49:35.937] @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
  2422. 27.03 s > [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2423. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2424. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2425. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2426. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2427. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2428. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2429. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2430. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2431. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2432. 27.03 s > [2026-09-14 01:49:36.037] @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)
  2433. 27.03 s > [2026-09-14 01:49:36.037] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2434. 27.03 s > [2026-09-14 01:49:36.037] @commands::generate INFO : Generated cross-section 2 graphs.
  2435. 27.03 s > [2026-09-14 01:49:36.037] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2436. 27.03 s > [2026-09-14 01:49:36.038] @gammaloop_api::se... INFO : Running command generate
  2437. 27.03 s > [2026-09-14 01:49:36.340] @commands::generate INFO :
  2438. 27.03 s > Integrand generation summary
  2439. 27.03 s > peak RAM 106.11 MiB | cores 1
  2440. 27.03 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2441. 27.03 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2442. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2443. 27.03 s > │ default │ GL0 │ 3 │ 39ms (48%) │ 20ms (24%) │ 22ms (28%) │ 0ms (0.00%) │
  2444. 27.03 s > │ default │ GL2 │ 5 │ 56ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  2445. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2446. 27.03 s > │ Total │ │ 8 │ 95ms (36%) │ 77ms (30%) │ 89ms (34%) │ 0ms (0.00%) │
  2447. 27.03 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2448. 27.03 s > [2026-09-14 01:49:36.341] @gammaloop_api::se... INFO : Running command set process string '
  2449. 27.03 s > [quantities.leading_jet_pt]
  2450. 27.03 s > type = "jet"
  2451. 27.03 s > quantity = "PT"
  2452. 27.03 s > dR = 0.4
  2453. 27.03 s > [...]
  2454. 27.03 s > [2026-09-14 01:49:36.342] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  2455. 27.03 s > The application panicked (crashed).
  2456. 27.03 s > Message: index out of bounds: the len is 0 but the index is 0
  2457. 27.03 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2458. 27.03 s >
  2459. 27.03 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2460. 27.03 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2461. 27.03 s > at <unknown source file>:<unknown line>
  2462. 27.03 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2463. 27.03 s > at <unknown source file>:<unknown line>
  2464. 27.03 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2465. 27.03 s > at <unknown source file>:<unknown line>
  2466. 27.03 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2467. 27.03 s > at <unknown source file>:<unknown line>
  2468. 27.03 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2469. 27.03 s > at <unknown source file>:<unknown line>
  2470. 27.03 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2471. 27.03 s > at <unknown source file>:<unknown line>
  2472. 27.03 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2473. 27.03 s > at <unknown source file>:<unknown line>
  2474. 27.03 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2475. 27.03 s > at <unknown source file>:<unknown line>
  2476. 27.03 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>
  2477. 27.03 s > at <unknown source file>:<unknown line>
  2478. 27.03 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>
  2479. 27.03 s > at <unknown source file>:<unknown line>
  2480. 27.03 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2481. 27.03 s > at <unknown source file>:<unknown line>
  2482. 27.03 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2483. 27.03 s > at <unknown source file>:<unknown line>
  2484. 27.03 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2485. 27.03 s > at <unknown source file>:<unknown line>
  2486. 27.03 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2487. 27.03 s > at <unknown source file>:<unknown line>
  2488. 27.03 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2489. 27.03 s > at <unknown source file>:<unknown line>
  2490. 27.03 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2491. 27.03 s > at <unknown source file>:<unknown line>
  2492. 27.03 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2493. 27.03 s > at <unknown source file>:<unknown line>
  2494. 27.03 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2495. 27.03 s > at <unknown source file>:<unknown line>
  2496. 27.03 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2497. 27.03 s > at <unknown source file>:<unknown line>
  2498. 27.03 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2499. 27.03 s > at <unknown source file>:<unknown line>
  2500. 27.03 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  2501. 27.03 s > at <unknown source file>:<unknown line>
  2502. 27.03 s > 22: PyEval_EvalCode.localalias<unknown>
  2503. 27.03 s > at <unknown source file>:<unknown line>
  2504. 27.03 s > 23: run_eval_code_obj<unknown>
  2505. 27.03 s > at <unknown source file>:<unknown line>
  2506. 27.03 s > 24: run_mod<unknown>
  2507. 27.03 s > at <unknown source file>:<unknown line>
  2508. 27.03 s > 25: Py_RunMain.localalias<unknown>
  2509. 27.03 s > at <unknown source file>:<unknown line>
  2510. 27.03 s > 26: __libc_start_call_main<unknown>
  2511. 27.03 s > at <unknown source file>:<unknown line>
  2512. 27.03 s > 27: __libc_start_main_alias_2<unknown>
  2513. 27.03 s > at <unknown source file>:<unknown line>
  2514. 27.03 s > 28: _start<unknown>
  2515. 27.03 s > at <unknown source file>:<unknown line>
  2516. 27.03 s >
  2517. 27.03 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2518. 27.03 s > Run with RUST_BACKTRACE=full to include source snippets.
  2519. 27.03 s > Traceback (most recent call last):
  2520. 27.03 s > File "<string>", line 78, in <module>
  2521. 27.03 s > without_events = summarize_result(api.evaluate_sample(point))
  2522. 27.03 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  2523. 27.03 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2524. 27.03 s >
  2525. 27.03 s >
  2526. 27.03 s > ... omitted 2 more lines; see full nextest output above
  2527. 27.03 s > system-out
  2528. 27.03 s > running 1 test
  2529. 27.03 s > test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  2530. 27.03 s >
  2531. 27.03 s > failures:
  2532. 27.03 s >
  2533. 27.03 s > failures:
  2534. 27.03 s > python_evaluate_sample_honors_generate_events_and_observable_snapshots
  2535. 27.03 s >
  2536. 27.03 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.51s
  2537. 27.03 s > system-err
  2538. 27.03 s > Error: Python API test subprocess failed.
  2539. 27.03 s > stdout:
  2540. 27.03 s >
  2541. 27.03 s > stderr:
  2542. 27.03 s > [2026-09-14 01:49:35.908] @gammaloop_api::se... INFO : Running command import model sm-default
  2543. 27.03 s > [2026-09-14 01:49:35.908] @import::model INFO : Loading built-in JSON model sm-default
  2544. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2545. 27.03 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2546. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2547. 27.03 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-)
  2548. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2549. 27.03 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
  2550. 27.03 s > [2026-09-14 01:49:35.936] @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]}}'
  2551. 27.03 s > [2026-09-14 01:49:35.937] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2552. 27.03 s > [2026-09-14 01:49:35.937] @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
  2553. 27.03 s > [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2554. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2555. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2556. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2557. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2558. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2559. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2560. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2561. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2562. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2563. 27.03 s > [2026-09-14 01:49:36.037] @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)
  2564. 27.03 s > [2026-09-14 01:49:36.037] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2565. 27.03 s > [2026-09-14 01:49:36.037] @commands::generate INFO : Generated cross-section 2 graphs.
  2566. 27.03 s > [2026-09-14 01:49:36.037] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2567. 27.03 s > [2026-09-14 01:49:36.038] @gammaloop_api::se... INFO : Running command generate
  2568. 27.03 s > [2026-09-14 01:49:36.340] @commands::generate INFO :
  2569. 27.03 s > Integrand generation summary
  2570. 27.03 s > peak RAM 106.11 MiB | cores 1
  2571. 27.03 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2572. 27.03 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2573. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2574. 27.03 s > │ default │ GL0 │ 3 │ 39ms (48%) │ 20ms (24%) │ 22ms (28%) │ 0ms (0.00%) │
  2575. 27.03 s > │ default │ GL2 │ 5 │ 56ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  2576. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2577. 27.03 s > │ Total │ │ 8 │ 95ms (36%) │ 77ms (30%) │ 89ms (34%) │ 0ms (0.00%) │
  2578. 27.03 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2579. 27.03 s > [2026-09-14 01:49:36.341] @gammaloop_api::se... INFO : Running command set process string '
  2580. 27.03 s > [quantities.leading_jet_pt]
  2581. 27.03 s > type = "jet"
  2582. 27.03 s > quantity = "PT"
  2583. 27.03 s > dR = 0.4
  2584. 27.03 s > [...]
  2585. 27.03 s > [2026-09-14 01:49:36.342] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  2586. 27.03 s > The application panicked (crashed).
  2587. 27.03 s > Message: index out of bounds: the len is 0 but the index is 0
  2588. 27.03 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2589. 27.03 s >
  2590. 27.03 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2591. 27.03 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2592. 27.03 s > at <unknown source file>:<unknown line>
  2593. 27.03 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2594. 27.03 s > at <unknown source file>:<unknown line>
  2595. 27.03 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2596. 27.03 s > at <unknown source file>:<unknown line>
  2597. 27.03 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2598. 27.03 s > at <unknown source file>:<unknown line>
  2599. 27.03 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2600. 27.03 s > at <unknown source file>:<unknown line>
  2601. 27.03 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2602. 27.03 s > at <unknown source file>:<unknown line>
  2603. 27.03 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2604. 27.03 s > at <unknown source file>:<unknown line>
  2605. 27.03 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2606. 27.03 s > at <unknown source file>:<unknown line>
  2607. 27.03 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>
  2608. 27.03 s > at <unknown source file>:<unknown line>
  2609. 27.03 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>
  2610. 27.03 s > at <unknown source file>:<unknown line>
  2611. 27.03 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2612. 27.03 s > at <unknown source file>:<unknown line>
  2613. 27.03 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2614. 27.03 s > at <unknown source file>:<unknown line>
  2615. 27.03 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2616. 27.03 s > at <unknown source file>:<unknown line>
  2617. 27.03 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2618. 27.03 s > at <unknown source file>:<unknown line>
  2619. 27.03 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2620. 27.03 s > at <unknown source file>:<unknown line>
  2621. 27.03 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2622. 27.03 s > at <unknown source file>:<unknown line>
  2623. 27.03 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2624. 27.03 s > at <unknown source file>:<unknown line>
  2625. 27.03 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2626. 27.03 s > at <unknown source file>:<unknown line>
  2627. 27.03 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2628. 27.03 s > at <unknown source file>:<unknown line>
  2629. 27.03 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2630. 27.03 s > at <unknown source file>:<unknown line>
  2631. 27.03 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  2632. 27.03 s > at <unknown source file>:<unknown line>
  2633. 27.03 s > 22: PyEval_EvalCode.localalias<unknown>
  2634. 27.03 s > at <unknown source file>:<unknown line>
  2635. 27.03 s > 23: run_eval_code_obj<unknown>
  2636. 27.03 s > at <unknown source file>:<unknown line>
  2637. 27.03 s > 24: run_mod<unknown>
  2638. 27.03 s > at <unknown source file>:<unknown line>
  2639. 27.03 s > 25: Py_RunMain.localalias<unknown>
  2640. 27.03 s > at <unknown source file>:<unknown line>
  2641. 27.03 s > 26: __libc_start_call_main<unknown>
  2642. 27.03 s > at <unknown source file>:<unknown line>
  2643. 27.03 s > 27: __libc_start_main_alias_2<unknown>
  2644. 27.03 s > at <unknown source file>:<unknown line>
  2645. 27.03 s > 28: _start<unknown>
  2646. 27.03 s > at <unknown source file>:<unknown line>
  2647. 27.03 s >
  2648. 27.03 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2649. 27.03 s > Run with RUST_BACKTRACE=full to include source snippets.
  2650. 27.03 s > Traceback (most recent call last):
  2651. 27.03 s > File "<string>", line 78, in <module>
  2652. 27.03 s > without_events = summarize_result(api.evaluate_sample(point))
  2653. 27.03 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  2654. 27.03 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2655. 27.03 s >
  2656. 27.03 s >
  2657. 27.03 s > ... omitted 2 more lines; see full nextest output above
  2658. 27.03 s >
  2659. 27.03 s > 2. gammaloop-integration-tests::test_python_api::python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  2660. 27.03 s > failure: test failure with exit code 101
  2661. 27.03 s > Error: Python API test subprocess failed.
  2662. 27.03 s > stdout:
  2663. 27.03 s >
  2664. 27.03 s > stderr:
  2665. 27.03 s > [2026-09-14 01:49:35.909] @gammaloop_api::se... INFO : Running command import model sm-default
  2666. 27.03 s > [2026-09-14 01:49:35.909] @import::model INFO : Loading built-in JSON model sm-default
  2667. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2668. 27.03 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2669. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2670. 27.03 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-)
  2671. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2672. 27.03 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
  2673. 27.03 s > [2026-09-14 01:49:35.936] @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]}}'
  2674. 27.03 s > [2026-09-14 01:49:35.936] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2675. 27.03 s > [2026-09-14 01:49:35.937] @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
  2676. 27.03 s > [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2677. 27.03 s > [2026-09-14 01:49:35.941] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2678. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2679. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2680. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2681. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2682. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2683. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2684. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2685. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2686. 27.03 s > [2026-09-14 01:49:36.043] @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)
  2687. 27.03 s > [2026-09-14 01:49:36.043] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2688. 27.03 s > [2026-09-14 01:49:36.043] @commands::generate INFO : Generated cross-section 2 graphs.
  2689. 27.03 s > [2026-09-14 01:49:36.043] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2690. 27.03 s > [2026-09-14 01:49:36.044] @gammaloop_api::se... INFO : Running command generate
  2691. 27.03 s > [2026-09-14 01:49:36.347] @commands::generate INFO :
  2692. 27.03 s > Integrand generation summary
  2693. 27.03 s > peak RAM 105.85 MiB | cores 1
  2694. 27.03 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2695. 27.03 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2696. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2697. 27.03 s > │ default │ GL0 │ 3 │ 36ms (46%) │ 19ms (25%) │ 22ms (29%) │ 0ms (0.00%) │
  2698. 27.03 s > │ default │ GL2 │ 5 │ 55ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  2699. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2700. 27.03 s > │ Total │ │ 8 │ 91ms (35%) │ 77ms (30%) │ 89ms (35%) │ 0ms (0.00%) │
  2701. 27.03 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2702. 27.03 s > [2026-09-14 01:49:36.348] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  2703. 27.03 s > The application panicked (crashed).
  2704. 27.03 s > Message: index out of bounds: the len is 0 but the index is 0
  2705. 27.03 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2706. 27.03 s >
  2707. 27.03 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2708. 27.03 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2709. 27.03 s > at <unknown source file>:<unknown line>
  2710. 27.03 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2711. 27.03 s > at <unknown source file>:<unknown line>
  2712. 27.03 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2713. 27.03 s > at <unknown source file>:<unknown line>
  2714. 27.03 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2715. 27.03 s > at <unknown source file>:<unknown line>
  2716. 27.03 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2717. 27.03 s > at <unknown source file>:<unknown line>
  2718. 27.03 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2719. 27.03 s > at <unknown source file>:<unknown line>
  2720. 27.03 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2721. 27.03 s > at <unknown source file>:<unknown line>
  2722. 27.03 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2723. 27.03 s > at <unknown source file>:<unknown line>
  2724. 27.03 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>
  2725. 27.03 s > at <unknown source file>:<unknown line>
  2726. 27.03 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>
  2727. 27.03 s > at <unknown source file>:<unknown line>
  2728. 27.03 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2729. 27.03 s > at <unknown source file>:<unknown line>
  2730. 27.03 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2731. 27.03 s > at <unknown source file>:<unknown line>
  2732. 27.03 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2733. 27.03 s > at <unknown source file>:<unknown line>
  2734. 27.03 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2735. 27.03 s > at <unknown source file>:<unknown line>
  2736. 27.03 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2737. 27.03 s > at <unknown source file>:<unknown line>
  2738. 27.03 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2739. 27.03 s > at <unknown source file>:<unknown line>
  2740. 27.03 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2741. 27.03 s > at <unknown source file>:<unknown line>
  2742. 27.03 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2743. 27.03 s > at <unknown source file>:<unknown line>
  2744. 27.03 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2745. 27.03 s > at <unknown source file>:<unknown line>
  2746. 27.03 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2747. 27.03 s > at <unknown source file>:<unknown line>
  2748. 27.03 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  2749. 27.03 s > at <unknown source file>:<unknown line>
  2750. 27.03 s > 22: PyEval_EvalCode.localalias<unknown>
  2751. 27.03 s > at <unknown source file>:<unknown line>
  2752. 27.03 s > 23: run_eval_code_obj<unknown>
  2753. 27.03 s > at <unknown source file>:<unknown line>
  2754. 27.03 s > 24: run_mod<unknown>
  2755. 27.03 s > at <unknown source file>:<unknown line>
  2756. 27.03 s > 25: Py_RunMain.localalias<unknown>
  2757. 27.03 s > at <unknown source file>:<unknown line>
  2758. 27.03 s > 26: __libc_start_call_main<unknown>
  2759. 27.03 s > at <unknown source file>:<unknown line>
  2760. 27.03 s > 27: __libc_start_main_alias_2<unknown>
  2761. 27.03 s > at <unknown source file>:<unknown line>
  2762. 27.03 s > 28: _start<unknown>
  2763. 27.03 s > at <unknown source file>:<unknown line>
  2764. 27.03 s >
  2765. 27.03 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2766. 27.03 s > Run with RUST_BACKTRACE=full to include source snippets.
  2767. 27.03 s > Traceback (most recent call last):
  2768. 27.03 s > File "<string>", line 78, in <module>
  2769. 27.03 s > result = api.evaluate_sample(point)
  2770. 27.03 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2771. 27.03 s >
  2772. 27.03 s >
  2773. 27.03 s > Location:
  2774. 27.03 s > tests/tests/test_python_api.rs:156:20
  2775. 27.03 s > system-out
  2776. 27.03 s > running 1 test
  2777. 27.03 s > test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  2778. 27.03 s >
  2779. 27.03 s > failures:
  2780. 27.03 s >
  2781. 27.03 s > failures:
  2782. 27.03 s > python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  2783. 27.03 s >
  2784. 27.03 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.52s
  2785. 27.03 s > system-err
  2786. 27.03 s > Error: Python API test subprocess failed.
  2787. 27.03 s > stdout:
  2788. 27.03 s >
  2789. 27.03 s > stderr:
  2790. 27.03 s > [2026-09-14 01:49:35.909] @gammaloop_api::se... INFO : Running command import model sm-default
  2791. 27.03 s > [2026-09-14 01:49:35.909] @import::model INFO : Loading built-in JSON model sm-default
  2792. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2793. 27.03 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2794. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2795. 27.03 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-)
  2796. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2797. 27.03 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
  2798. 27.03 s > [2026-09-14 01:49:35.936] @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]}}'
  2799. 27.03 s > [2026-09-14 01:49:35.936] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2800. 27.03 s > [2026-09-14 01:49:35.937] @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
  2801. 27.03 s > [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2802. 27.03 s > [2026-09-14 01:49:35.941] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2803. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2804. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2805. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2806. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2807. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2808. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2809. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2810. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2811. 27.03 s > [2026-09-14 01:49:36.043] @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)
  2812. 27.03 s > [2026-09-14 01:49:36.043] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2813. 27.03 s > [2026-09-14 01:49:36.043] @commands::generate INFO : Generated cross-section 2 graphs.
  2814. 27.03 s > [2026-09-14 01:49:36.043] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2815. 27.03 s > [2026-09-14 01:49:36.044] @gammaloop_api::se... INFO : Running command generate
  2816. 27.03 s > [2026-09-14 01:49:36.347] @commands::generate INFO :
  2817. 27.03 s > Integrand generation summary
  2818. 27.03 s > peak RAM 105.85 MiB | cores 1
  2819. 27.03 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2820. 27.03 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2821. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2822. 27.03 s > │ default │ GL0 │ 3 │ 36ms (46%) │ 19ms (25%) │ 22ms (29%) │ 0ms (0.00%) │
  2823. 27.03 s > │ default │ GL2 │ 5 │ 55ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  2824. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2825. 27.03 s > │ Total │ │ 8 │ 91ms (35%) │ 77ms (30%) │ 89ms (35%) │ 0ms (0.00%) │
  2826. 27.03 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2827. 27.03 s > [2026-09-14 01:49:36.348] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  2828. 27.03 s > The application panicked (crashed).
  2829. 27.03 s > Message: index out of bounds: the len is 0 but the index is 0
  2830. 27.03 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2831. 27.03 s >
  2832. 27.03 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2833. 27.03 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2834. 27.03 s > at <unknown source file>:<unknown line>
  2835. 27.03 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2836. 27.03 s > at <unknown source file>:<unknown line>
  2837. 27.03 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2838. 27.03 s > at <unknown source file>:<unknown line>
  2839. 27.03 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2840. 27.03 s > at <unknown source file>:<unknown line>
  2841. 27.03 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2842. 27.03 s > at <unknown source file>:<unknown line>
  2843. 27.03 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2844. 27.03 s > at <unknown source file>:<unknown line>
  2845. 27.03 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2846. 27.03 s > at <unknown source file>:<unknown line>
  2847. 27.03 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2848. 27.03 s > at <unknown source file>:<unknown line>
  2849. 27.03 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>
  2850. 27.03 s > at <unknown source file>:<unknown line>
  2851. 27.03 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>
  2852. 27.03 s > at <unknown source file>:<unknown line>
  2853. 27.03 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2854. 27.03 s > at <unknown source file>:<unknown line>
  2855. 27.03 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2856. 27.03 s > at <unknown source file>:<unknown line>
  2857. 27.03 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2858. 27.03 s > at <unknown source file>:<unknown line>
  2859. 27.03 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2860. 27.03 s > at <unknown source file>:<unknown line>
  2861. 27.03 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2862. 27.03 s > at <unknown source file>:<unknown line>
  2863. 27.03 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2864. 27.03 s > at <unknown source file>:<unknown line>
  2865. 27.03 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2866. 27.03 s > at <unknown source file>:<unknown line>
  2867. 27.03 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2868. 27.03 s > at <unknown source file>:<unknown line>
  2869. 27.03 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2870. 27.03 s > at <unknown source file>:<unknown line>
  2871. 27.03 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2872. 27.03 s > at <unknown source file>:<unknown line>
  2873. 27.03 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  2874. 27.03 s > at <unknown source file>:<unknown line>
  2875. 27.03 s > 22: PyEval_EvalCode.localalias<unknown>
  2876. 27.03 s > at <unknown source file>:<unknown line>
  2877. 27.03 s > 23: run_eval_code_obj<unknown>
  2878. 27.03 s > at <unknown source file>:<unknown line>
  2879. 27.03 s > 24: run_mod<unknown>
  2880. 27.03 s > at <unknown source file>:<unknown line>
  2881. 27.03 s > 25: Py_RunMain.localalias<unknown>
  2882. 27.03 s > at <unknown source file>:<unknown line>
  2883. 27.03 s > 26: __libc_start_call_main<unknown>
  2884. 27.03 s > at <unknown source file>:<unknown line>
  2885. 27.03 s > 27: __libc_start_main_alias_2<unknown>
  2886. 27.03 s > at <unknown source file>:<unknown line>
  2887. 27.03 s > 28: _start<unknown>
  2888. 27.03 s > at <unknown source file>:<unknown line>
  2889. 27.03 s >
  2890. 27.03 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2891. 27.03 s > Run with RUST_BACKTRACE=full to include source snippets.
  2892. 27.03 s > Traceback (most recent call last):
  2893. 27.03 s > File "<string>", line 78, in <module>
  2894. 27.03 s > result = api.evaluate_sample(point)
  2895. 27.03 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2896. 27.03 s >
  2897. 27.03 s >
  2898. 27.03 s > Location:
  2899. 27.03 s > tests/tests/test_python_api.rs:156:20
  2900. 27.03 s >
  2901. 27.03 s > 3. gammaloop-integration-tests::test_python_api::python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  2902. 27.03 s > failure: test failure with exit code 101
  2903. 27.03 s > Error: Python API test subprocess failed.
  2904. 27.03 s > stdout:
  2905. 27.03 s >
  2906. 27.03 s > stderr:
  2907. 27.03 s > [2026-09-14 01:49:35.908] @gammaloop_api::se... INFO : Running command import model sm-default
  2908. 27.03 s > [2026-09-14 01:49:35.908] @import::model INFO : Loading built-in JSON model sm-default
  2909. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2910. 27.03 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2911. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2912. 27.03 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-)
  2913. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2914. 27.03 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
  2915. 27.03 s > [2026-09-14 01:49:35.936] @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]}}'
  2916. 27.03 s > [2026-09-14 01:49:35.937] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2917. 27.03 s > [2026-09-14 01:49:35.937] @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
  2918. 27.03 s > [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2919. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2920. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2921. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2922. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2923. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2924. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2925. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2926. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2927. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2928. 27.03 s > [2026-09-14 01:49:36.041] @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)
  2929. 27.03 s > [2026-09-14 01:49:36.041] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2930. 27.03 s > [2026-09-14 01:49:36.042] @commands::generate INFO : Generated cross-section 2 graphs.
  2931. 27.03 s > [2026-09-14 01:49:36.042] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2932. 27.03 s > [2026-09-14 01:49:36.043] @gammaloop_api::se... INFO : Running command generate
  2933. 27.03 s > [2026-09-14 01:49:36.345] @commands::generate INFO :
  2934. 27.03 s > Integrand generation summary
  2935. 27.03 s > peak RAM 106.07 MiB | cores 1
  2936. 27.03 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2937. 27.03 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2938. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2939. 27.03 s > │ default │ GL0 │ 3 │ 35ms (45%) │ 20ms (26%) │ 22ms (29%) │ 0ms (0.00%) │
  2940. 27.03 s > │ default │ GL2 │ 5 │ 55ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  2941. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2942. 27.03 s > │ Total │ │ 8 │ 90ms (35%) │ 77ms (30%) │ 89ms (35%) │ 0ms (0.00%) │
  2943. 27.03 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2944. 27.03 s > [2026-09-14 01:49:36.346] @gammaloop_api::se... INFO : Running command set process string '
  2945. 27.03 s > [quantities.leading_jet_pt]
  2946. 27.03 s > type = "jet"
  2947. 27.03 s > quantity = "PT"
  2948. 27.03 s > dR = 0.4
  2949. 27.03 s > [...]
  2950. 27.03 s > [2026-09-14 01:49:36.347] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  2951. 27.03 s > The application panicked (crashed).
  2952. 27.03 s > Message: index out of bounds: the len is 0 but the index is 0
  2953. 27.03 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2954. 27.03 s >
  2955. 27.03 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2956. 27.03 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2957. 27.03 s > at <unknown source file>:<unknown line>
  2958. 27.03 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2959. 27.03 s > at <unknown source file>:<unknown line>
  2960. 27.03 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2961. 27.03 s > at <unknown source file>:<unknown line>
  2962. 27.03 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2963. 27.03 s > at <unknown source file>:<unknown line>
  2964. 27.03 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2965. 27.03 s > at <unknown source file>:<unknown line>
  2966. 27.03 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2967. 27.03 s > at <unknown source file>:<unknown line>
  2968. 27.03 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2969. 27.03 s > at <unknown source file>:<unknown line>
  2970. 27.03 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2971. 27.03 s > at <unknown source file>:<unknown line>
  2972. 27.03 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>
  2973. 27.03 s > at <unknown source file>:<unknown line>
  2974. 27.03 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>
  2975. 27.03 s > at <unknown source file>:<unknown line>
  2976. 27.03 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2977. 27.03 s > at <unknown source file>:<unknown line>
  2978. 27.03 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2979. 27.03 s > at <unknown source file>:<unknown line>
  2980. 27.03 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2981. 27.03 s > at <unknown source file>:<unknown line>
  2982. 27.03 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2983. 27.03 s > at <unknown source file>:<unknown line>
  2984. 27.03 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2985. 27.03 s > at <unknown source file>:<unknown line>
  2986. 27.03 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  2987. 27.03 s > at <unknown source file>:<unknown line>
  2988. 27.03 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  2989. 27.03 s > at <unknown source file>:<unknown line>
  2990. 27.03 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2991. 27.03 s > at <unknown source file>:<unknown line>
  2992. 27.03 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2993. 27.03 s > at <unknown source file>:<unknown line>
  2994. 27.03 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2995. 27.03 s > at <unknown source file>:<unknown line>
  2996. 27.03 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  2997. 27.03 s > at <unknown source file>:<unknown line>
  2998. 27.03 s > 22: PyEval_EvalCode.localalias<unknown>
  2999. 27.03 s > at <unknown source file>:<unknown line>
  3000. 27.03 s > 23: run_eval_code_obj<unknown>
  3001. 27.03 s > at <unknown source file>:<unknown line>
  3002. 27.03 s > 24: run_mod<unknown>
  3003. 27.03 s > at <unknown source file>:<unknown line>
  3004. 27.03 s > 25: Py_RunMain.localalias<unknown>
  3005. 27.03 s > at <unknown source file>:<unknown line>
  3006. 27.03 s > 26: __libc_start_call_main<unknown>
  3007. 27.03 s > at <unknown source file>:<unknown line>
  3008. 27.03 s > 27: __libc_start_main_alias_2<unknown>
  3009. 27.03 s > at <unknown source file>:<unknown line>
  3010. 27.03 s > 28: _start<unknown>
  3011. 27.03 s > at <unknown source file>:<unknown line>
  3012. 27.03 s >
  3013. 27.03 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  3014. 27.03 s > Run with RUST_BACKTRACE=full to include source snippets.
  3015. 27.03 s > Traceback (most recent call last):
  3016. 27.03 s > File "<string>", line 85, in <module>
  3017. 27.03 s > batch = summarize_batch_result(api.evaluate_samples(points))
  3018. 27.03 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  3019. 27.03 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  3020. 27.03 s >
  3021. 27.03 s >
  3022. 27.03 s > ... omitted 2 more lines; see full nextest output above
  3023. 27.03 s > system-out
  3024. 27.03 s > running 1 test
  3025. 27.03 s > test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  3026. 27.03 s >
  3027. 27.03 s > failures:
  3028. 27.03 s >
  3029. 27.03 s > failures:
  3030. 27.03 s > python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  3031. 27.03 s >
  3032. 27.03 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.58s
  3033. 27.03 s > system-err
  3034. 27.03 s > Error: Python API test subprocess failed.
  3035. 27.03 s > stdout:
  3036. 27.03 s >
  3037. 27.03 s > stderr:
  3038. 27.03 s > [2026-09-14 01:49:35.908] @gammaloop_api::se... INFO : Running command import model sm-default
  3039. 27.03 s > [2026-09-14 01:49:35.908] @import::model INFO : Loading built-in JSON model sm-default
  3040. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  3041. 27.03 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  3042. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  3043. 27.03 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-)
  3044. 27.03 s > [2026-09-14 01:49:35.935] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  3045. 27.03 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
  3046. 27.03 s > [2026-09-14 01:49:35.936] @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]}}'
  3047. 27.03 s > [2026-09-14 01:49:35.937] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  3048. 27.03 s > [2026-09-14 01:49:35.937] @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
  3049. 27.03 s > [2026-09-14 01:49:35.939] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  3050. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  3051. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  3052. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  3053. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  3054. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  3055. 27.03 s > [2026-09-14 01:49:35.942] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  3056. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  3057. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  3058. 27.03 s > [2026-09-14 01:49:35.943] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  3059. 27.03 s > [2026-09-14 01:49:36.041] @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)
  3060. 27.03 s > [2026-09-14 01:49:36.041] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  3061. 27.03 s > [2026-09-14 01:49:36.042] @commands::generate INFO : Generated cross-section 2 graphs.
  3062. 27.03 s > [2026-09-14 01:49:36.042] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  3063. 27.03 s > [2026-09-14 01:49:36.043] @gammaloop_api::se... INFO : Running command generate
  3064. 27.03 s > [2026-09-14 01:49:36.345] @commands::generate INFO :
  3065. 27.03 s > Integrand generation summary
  3066. 27.03 s > peak RAM 106.07 MiB | cores 1
  3067. 27.03 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  3068. 27.03 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  3069. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  3070. 27.03 s > │ default │ GL0 │ 3 │ 35ms (45%) │ 20ms (26%) │ 22ms (29%) │ 0ms (0.00%) │
  3071. 27.03 s > │ default │ GL2 │ 5 │ 55ms (31%) │ 57ms (32%) │ 66ms (37%) │ 0ms (0.00%) │
  3072. 27.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  3073. 27.03 s > │ Total │ │ 8 │ 90ms (35%) │ 77ms (30%) │ 89ms (35%) │ 0ms (0.00%) │
  3074. 27.03 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  3075. 27.03 s > [2026-09-14 01:49:36.346] @gammaloop_api::se... INFO : Running command set process string '
  3076. 27.03 s > [quantities.leading_jet_pt]
  3077. 27.03 s > type = "jet"
  3078. 27.03 s > quantity = "PT"
  3079. 27.03 s > dR = 0.4
  3080. 27.03 s > [...]
  3081. 27.03 s > [2026-09-14 01:49:36.347] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  3082. 27.03 s > The application panicked (crashed).
  3083. 27.03 s > Message: index out of bounds: the len is 0 but the index is 0
  3084. 27.03 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  3085. 27.03 s >
  3086. 27.03 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  3087. 27.03 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  3088. 27.03 s > at <unknown source file>:<unknown line>
  3089. 27.03 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  3090. 27.03 s > at <unknown source file>:<unknown line>
  3091. 27.03 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  3092. 27.03 s > at <unknown source file>:<unknown line>
  3093. 27.03 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  3094. 27.03 s > at <unknown source file>:<unknown line>
  3095. 27.03 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  3096. 27.03 s > at <unknown source file>:<unknown line>
  3097. 27.03 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  3098. 27.03 s > at <unknown source file>:<unknown line>
  3099. 27.03 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  3100. 27.03 s > at <unknown source file>:<unknown line>
  3101. 27.03 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  3102. 27.03 s > at <unknown source file>:<unknown line>
  3103. 27.03 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>
  3104. 27.03 s > at <unknown source file>:<unknown line>
  3105. 27.03 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>
  3106. 27.03 s > at <unknown source file>:<unknown line>
  3107. 27.03 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  3108. 27.03 s > at <unknown source file>:<unknown line>
  3109. 27.03 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_graph_term::<f64, gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  3110. 27.03 s > at <unknown source file>:<unknown line>
  3111. 27.03 s > 13: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  3112. 27.03 s > at <unknown source file>:<unknown line>
  3113. 27.03 s > 14: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  3114. 27.03 s > at <unknown source file>:<unknown line>
  3115. 27.03 s > 15: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  3116. 27.03 s > at <unknown source file>:<unknown line>
  3117. 27.03 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  3118. 27.03 s > at <unknown source file>:<unknown line>
  3119. 27.03 s > 17: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  3120. 27.03 s > at <unknown source file>:<unknown line>
  3121. 27.03 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  3122. 27.03 s > at <unknown source file>:<unknown line>
  3123. 27.03 s > 19: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  3124. 27.03 s > at <unknown source file>:<unknown line>
  3125. 27.03 s > 20: method_vectorcall_VARARGS_KEYWORDS<unknown>
  3126. 27.03 s > at <unknown source file>:<unknown line>
  3127. 27.03 s > 21: _PyEval_EvalFrameDefault.localalias<unknown>
  3128. 27.03 s > at <unknown source file>:<unknown line>
  3129. 27.03 s > 22: PyEval_EvalCode.localalias<unknown>
  3130. 27.03 s > at <unknown source file>:<unknown line>
  3131. 27.03 s > 23: run_eval_code_obj<unknown>
  3132. 27.03 s > at <unknown source file>:<unknown line>
  3133. 27.03 s > 24: run_mod<unknown>
  3134. 27.03 s > at <unknown source file>:<unknown line>
  3135. 27.03 s > 25: Py_RunMain.localalias<unknown>
  3136. 27.03 s > at <unknown source file>:<unknown line>
  3137. 27.03 s > 26: __libc_start_call_main<unknown>
  3138. 27.03 s > at <unknown source file>:<unknown line>
  3139. 27.03 s > 27: __libc_start_main_alias_2<unknown>
  3140. 27.03 s > at <unknown source file>:<unknown line>
  3141. 27.03 s > 28: _start<unknown>
  3142. 27.03 s > at <unknown source file>:<unknown line>
  3143. 27.03 s >
  3144. 27.03 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  3145. 27.03 s > Run with RUST_BACKTRACE=full to include source snippets.
  3146. 27.03 s > Traceback (most recent call last):
  3147. 27.03 s > File "<string>", line 85, in <module>
  3148. 27.03 s > batch = summarize_batch_result(api.evaluate_samples(points))
  3149. 27.03 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  3150. 27.03 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  3151. 27.03 s >
  3152. 27.03 s >
  3153. 27.03 s > ... omitted 2 more lines; see full nextest output above
  3154. 27.03 s > =========================================
  3155. 27.03 s For full logs, run:
  3156. 27.03 s nix log /nix/store/01gn8dzfy70val75zfjka0c53k7ic6ry-gammaloop-nextest-python-api.drv
  3157. 27.17 s [0 built (1 failed), 0.0Run failed.
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