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

Reproduce this run
Original 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. 0.06 s Cloning into '/tmp/nix-ci-worker/stable-pwd/repo'...
  3. 0.77 s remote: Enumerating objects: 86629, done.
  4. 1.00 s remote: Counting objects: 0% (1/9197) remote: Counting objects: 1% (92/9197) remote: Counting objects: 2% (184/9197) remote: Counting objects: 3% (276/9197) remote: Counting objects: 4% (368/9197) remote: Counting objects: 5% (460/9197) remote: Counting objects: 6% (552/9197) remote: Counting objects: 7% (644/9197) remote: Counting objects: 8% (736/9197) remote: Counting objects: 9% (828/9197) remote: Counting objects: 10% (920/9197) remote: Counting objects: 11% (1012/9197) remote: Counting objects: 12% (1104/9197) remote: Counting objects: 13% (1196/9197) remote: Counting objects: 14% (1288/9197) remote: Counting objects: 15% (1380/9197) remote: Counting objects: 16% (1472/9197) remote: Counting objects: 17% (1564/9197) remote: Counting objects: 18% (1656/9197) remote: Counting objects: 19% (1748/9197) remote: Counting objects: 20% (1840/9197) remote: Counting objects: 21% (1932/9197) remote: Counting objects: 22% (2024/9197) remote: Counting objects: 23% (2116/9197) remote: Counting objects: 24% (2208/9197) remote: Counting objects: 25% (2300/9197) remote: Counting objects: 26% (2392/9197) remote: Counting objects: 27% (2484/9197) remote: Counting objects: 28% (2576/9197) remote: Counting objects: 29% (2668/9197) remote: Counting objects: 30% (2760/9197) remote: Counting objects: 31% (2852/9197) remote: Counting objects: 32% (2944/9197) remote: Counting objects: 33% (3036/9197) remote: Counting objects: 34% (3127/9197) remote: Counting objects: 35% (3219/9197) remote: Counting objects: 36% (3311/9197) remote: Counting objects: 37% (3403/9197) remote: Counting objects: 38% (3495/9197) remote: Counting objects: 39% (3587/9197) remote: Counting objects: 40% (3679/9197) remote: Counting objects: 41% (3771/9197) remote: Counting objects: 42% (3863/9197) remote: Counting objects: 43% (3955/9197) remote: Counting objects: 44% (4047/9197) remote: Counting objects: 45% (4139/9197) remote: Counting objects: 46% (4231/9197) remote: Counting objects: 47% (4323/9197) remote: Counting objects: 48% (4415/9197) remote: Counting objects: 49% (4507/9197) remote: Counting objects: 50% (4599/9197) remote: Counting objects: 51% (4691/9197) remote: Counting objects: 52% (4783/9197) remote: Counting objects: 53% (4875/9197) remote: Counting objects: 54% (4967/9197) remote: Counting objects: 55% (5059/9197) remote: Counting objects: 56% (5151/9197) remote: Counting objects: 57% (5243/9197) remote: Counting objects: 58% (5335/9197) remote: Counting objects: 59% (5427/9197) remote: Counting objects: 60% (5519/9197) remote: Counting objects: 61% (5611/9197) remote: Counting objects: 62% (5703/9197) remote: Counting objects: 63% (5795/9197) remote: Counting objects: 64% (5887/9197) remote: Counting objects: 65% (5979/9197) remote: Counting objects: 66% (6071/9197) remote: Counting objects: 67% (6162/9197) remote: Counting objects: 68% (6254/9197) remote: Counting objects: 69% (6346/9197) remote: Counting objects: 70% (6438/9197) remote: Counting objects: 71% (6530/9197) remote: Counting objects: 72% (6622/9197) remote: Counting objects: 73% (6714/9197) remote: Counting objects: 74% (6806/9197) remote: Counting objects: 75% (6898/9197) remote: Counting objects: 76% (6990/9197) remote: Counting objects: 77% (7082/9197) remote: Counting objects: 78% (7174/9197) remote: Counting objects: 79% (7266/9197) remote: Counting objects: 80% (7358/9197) remote: Counting objects: 81% (7450/9197) remote: Counting objects: 82% (7542/9197) remote: Counting objects: 83% (7634/9197) remote: Counting objects: 84% (7726/9197) remote: Counting objects: 85% (7818/9197) remote: Counting objects: 86% (7910/9197) remote: Counting objects: 87% (8002/9197) remote: Counting objects: 88% (8094/9197) remote: Counting objects: 89% (8186/9197) remote: Counting objects: 90% (8278/9197) remote: Counting objects: 91% (8370/9197) remote: Counting objects: 92% (8462/9197) remote: Counting objects: 93% (8554/9197) remote: Counting objects: 94% (8646/9197) remote: Counting objects: 95% (8738/9197) remote: Counting objects: 96% (8830/9197) remote: Counting objects: 97% (8922/9197) remote: Counting objects: 98% (9014/9197) remote: Counting objects: 99% (9106/9197) remote: Counting objects: 100% (9197/9197) remote: Counting objects: 100% (9197/9197), done.
  5. 3.10 s remote: Compressing objects: 0% (1/2147) remote: Compressing objects: 1% (22/2147) remote: Compressing objects: 2% (43/2147) remote: Compressing objects: 3% (65/2147) remote: Compressing objects: 4% (86/2147) remote: Compressing objects: 5% (108/2147) remote: Compressing objects: 6% (129/2147) remote: Compressing objects: 7% (151/2147) remote: Compressing objects: 8% (172/2147) remote: Compressing objects: 9% (194/2147) remote: Compressing objects: 10% (215/2147) remote: Compressing objects: 11% (237/2147) remote: Compressing objects: 12% (258/2147) remote: Compressing objects: 12% (275/2147) remote: Compressing objects: 13% (280/2147) remote: Compressing objects: 14% (301/2147) remote: Compressing objects: 15% (323/2147) remote: Compressing objects: 16% (344/2147) remote: Compressing objects: 17% (365/2147) remote: Compressing objects: 18% (387/2147) remote: Compressing objects: 19% (408/2147) remote: Compressing objects: 20% (430/2147) remote: Compressing objects: 21% (451/2147) remote: Compressing objects: 22% (473/2147) remote: Compressing objects: 23% (494/2147) remote: Compressing objects: 23% (512/2147) remote: Compressing objects: 24% (516/2147) remote: Compressing objects: 25% (537/2147) remote: Compressing objects: 26% (559/2147) remote: Compressing objects: 27% (580/2147) remote: Compressing objects: 28% (602/2147) remote: Compressing objects: 29% (623/2147) remote: Compressing objects: 30% (645/2147) remote: Compressing objects: 31% (666/2147) remote: Compressing objects: 32% (688/2147) remote: Compressing objects: 33% (709/2147) remote: Compressing objects: 34% (730/2147) remote: Compressing objects: 35% (752/2147) remote: Compressing objects: 36% (773/2147) remote: Compressing objects: 37% (795/2147) remote: Compressing objects: 38% (816/2147) remote: Compressing objects: 39% (838/2147) remote: Compressing objects: 40% (859/2147) remote: Compressing objects: 41% (881/2147) remote: Compressing objects: 42% (902/2147) remote: Compressing objects: 43% (924/2147) remote: Compressing objects: 44% (945/2147) remote: Compressing objects: 45% (967/2147) remote: Compressing objects: 46% (988/2147) remote: Compressing objects: 47% (1010/2147) remote: Compressing objects: 48% (1031/2147) remote: Compressing objects: 49% (1053/2147) remote: Compressing objects: 50% (1074/2147) remote: Compressing objects: 51% (1095/2147) remote: Compressing objects: 52% (1117/2147) remote: Compressing objects: 53% (1138/2147) remote: Compressing objects: 54% (1160/2147) remote: Compressing objects: 55% (1181/2147) remote: Compressing objects: 56% (1203/2147) remote: Compressing objects: 57% (1224/2147) remote: Compressing objects: 58% (1246/2147) remote: Compressing objects: 59% (1267/2147) remote: Compressing objects: 60% (1289/2147) remote: Compressing objects: 61% (1310/2147) remote: Compressing objects: 62% (1332/2147) remote: Compressing objects: 63% (1353/2147) remote: Compressing objects: 64% (1375/2147) remote: Compressing objects: 65% (1396/2147) remote: Compressing objects: 66% (1418/2147) remote: Compressing objects: 67% (1439/2147) remote: Compressing objects: 68% (1460/2147) remote: Compressing objects: 69% (1482/2147) remote: Compressing objects: 70% (1503/2147) remote: Compressing objects: 71% (1525/2147) remote: Compressing objects: 72% (1546/2147) remote: Compressing objects: 73% (1568/2147) remote: Compressing objects: 74% (1589/2147) remote: Compressing objects: 75% (1611/2147) remote: Compressing objects: 76% (1632/2147) remote: Compressing objects: 77% (1654/2147) remote: Compressing objects: 78% (1675/2147) remote: Compressing objects: 79% (1697/2147) remote: Compressing objects: 80% (1718/2147) remote: Compressing objects: 81% (1740/2147) remote: Compressing objects: 82% (1761/2147) remote: Compressing objects: 83% (1783/2147) remote: Compressing objects: 84% (1804/2147) remote: Compressing objects: 85% (1825/2147) remote: Compressing objects: 86% (1847/2147) remote: Compressing objects: 87% (1868/2147) remote: Compressing objects: 88% (1890/2147) remote: Compressing objects: 89% (1911/2147) remote: Compressing objects: 90% (1933/2147) remote: Compressing objects: 91% (1954/2147) remote: Compressing objects: 92% (1976/2147) remote: Compressing objects: 93% (1997/2147) remote: Compressing objects: 94% (2019/2147) remote: Compressing objects: 95% (2040/2147) remote: Compressing objects: 96% (2062/2147) remote: Compressing objects: 97% (2083/2147) remote: Compressing objects: 98% (2105/2147) remote: Compressing objects: 99% (2126/2147) remote: Compressing objects: 100% (2147/2147) remote: Compressing objects: 100% (2147/2147), done.
  6. 7.96 s Receiving objects: 0% (1/86629) Receiving objects: 1% (867/86629) Receiving objects: 2% (1733/86629) Receiving objects: 3% (2599/86629) Receiving objects: 4% (3466/86629) Receiving objects: 5% (4332/86629) Receiving objects: 6% (5198/86629) Receiving objects: 7% (6065/86629) Receiving objects: 8% (6931/86629) Receiving objects: 9% (7797/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 10% (8663/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 11% (9530/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 12% (10396/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 13% (11262/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 14% (12129/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 15% (12995/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 16% (13861/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 17% (14727/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 18% (15594/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 19% (16460/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 20% (17326/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 21% (18193/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 22% (19059/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 23% (19925/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 24% (20791/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 25% (21658/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 26% (22524/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 27% (23390/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 28% (24257/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 29% (25123/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 30% (25989/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 31% (26855/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 32% (27722/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 33% (28588/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 34% (29454/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 35% (30321/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 36% (31187/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 37% (32053/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 38% (32920/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 39% (33786/86629), 15.82 MiB | 31.63 MiB/s Receiving objects: 39% (34240/86629), 32.54 MiB | 31.81 MiB/s Receiving objects: 40% (34652/86629), 32.54 MiB | 31.81 MiB/s Receiving objects: 41% (35518/86629), 32.54 MiB | 31.81 MiB/s Receiving objects: 42% (36385/86629), 32.54 MiB | 31.81 MiB/s Receiving objects: 43% (37251/86629), 32.54 MiB | 31.81 MiB/s Receiving objects: 44% (38117/86629), 32.54 MiB | 31.81 MiB/s Receiving objects: 45% (38984/86629), 32.54 MiB | 31.81 MiB/s Receiving objects: 46% (39850/86629), 32.54 MiB | 31.81 MiB/s Receiving objects: 47% (40716/86629), 48.31 MiB | 31.62 MiB/s Receiving objects: 48% (41582/86629), 48.31 MiB | 31.62 MiB/s Receiving objects: 49% (42449/86629), 48.31 MiB | 31.62 MiB/s Receiving objects: 50% (43315/86629), 48.31 MiB | 31.62 MiB/s Receiving objects: 51% (44181/86629), 48.31 MiB | 31.62 MiB/s Receiving objects: 52% (45048/86629), 48.31 MiB | 31.62 MiB/s Receiving objects: 53% (45914/86629), 48.31 MiB | 31.62 MiB/s Receiving objects: 54% (46780/86629), 48.31 MiB | 31.62 MiB/s Receiving objects: 55% (47646/86629), 48.31 MiB | 31.62 MiB/s Receiving objects: 56% (48513/86629), 48.31 MiB | 31.62 MiB/s Receiving objects: 56% (48754/86629), 65.32 MiB | 32.21 MiB/s Receiving objects: 57% (49379/86629), 65.32 MiB | 32.21 MiB/s Receiving objects: 58% (50245/86629), 65.32 MiB | 32.21 MiB/s Receiving objects: 59% (51112/86629), 65.32 MiB | 32.21 MiB/s Receiving objects: 60% (51978/86629), 65.32 MiB | 32.21 MiB/s Receiving objects: 61% (52844/86629), 65.32 MiB | 32.21 MiB/s Receiving objects: 62% (53710/86629), 65.32 MiB | 32.21 MiB/s Receiving objects: 63% (54577/86629), 65.32 MiB | 32.21 MiB/s Receiving objects: 64% (55443/86629), 65.32 MiB | 32.21 MiB/s Receiving objects: 65% (56309/86629), 65.32 MiB | 32.21 MiB/s Receiving objects: 66% (57176/86629), 81.51 MiB | 31.95 MiB/s Receiving objects: 66% (57370/86629), 97.38 MiB | 31.88 MiB/s Receiving objects: 67% (58042/86629), 97.38 MiB | 31.88 MiB/s Receiving objects: 68% (58908/86629), 97.38 MiB | 31.88 MiB/s Receiving objects: 69% (59775/86629), 97.38 MiB | 31.88 MiB/s Receiving objects: 70% (60641/86629), 97.38 MiB | 31.88 MiB/s Receiving objects: 71% (61507/86629), 97.38 MiB | 31.88 MiB/s Receiving objects: 72% (62373/86629), 97.38 MiB | 31.88 MiB/s Receiving objects: 73% (63240/86629), 115.12 MiB | 32.38 MiB/s Receiving objects: 74% (64106/86629), 115.12 MiB | 32.38 MiB/s Receiving objects: 74% (64313/86629), 115.12 MiB | 32.38 MiB/s Receiving objects: 75% (64972/86629), 131.41 MiB | 32.23 MiB/s Receiving objects: 76% (65839/86629), 131.41 MiB | 32.23 MiB/s Receiving objects: 77% (66705/86629), 131.41 MiB | 32.23 MiB/s Receiving objects: 78% (67571/86629), 131.41 MiB | 32.23 MiB/s Receiving objects: 79% (68437/86629), 131.41 MiB | 32.23 MiB/s Receiving objects: 80% (69304/86629), 131.41 MiB | 32.23 MiB/s Receiving objects: 81% (70170/86629), 131.41 MiB | 32.23 MiB/s Receiving objects: 82% (71036/86629), 131.41 MiB | 32.23 MiB/s Receiving objects: 83% (71903/86629), 131.41 MiB | 32.23 MiB/s Receiving objects: 84% (72769/86629), 131.41 MiB | 32.23 MiB/s Receiving objects: 85% (73635/86629), 131.41 MiB | 32.23 MiB/s Receiving objects: 86% (74501/86629), 131.41 MiB | 32.23 MiB/s Receiving objects: 87% (75368/86629), 147.46 MiB | 32.18 MiB/s Receiving objects: 88% (76234/86629), 147.46 MiB | 32.18 MiB/s Receiving objects: 89% (77100/86629), 147.46 MiB | 32.18 MiB/s Receiving objects: 90% (77967/86629), 147.46 MiB | 32.18 MiB/s Receiving objects: 91% (78833/86629), 147.46 MiB | 32.18 MiB/s Receiving objects: 92% (79699/86629), 147.46 MiB | 32.18 MiB/s Receiving objects: 93% (80565/86629), 147.46 MiB | 32.18 MiB/s Receiving objects: 94% (81432/86629), 147.46 MiB | 32.18 MiB/s Receiving objects: 95% (82298/86629), 147.46 MiB | 32.18 MiB/s Receiving objects: 96% (83164/86629), 147.46 MiB | 32.18 MiB/s Receiving objects: 97% (84031/86629), 147.46 MiB | 32.18 MiB/s Receiving objects: 98% (84897/86629), 147.46 MiB | 32.18 MiB/s Receiving objects: 99% (85763/86629), 147.46 MiB | 32.18 MiB/s remote: Total 86629 (delta 7932), reused 7227 (delta 7044), pack-reused 77432 (from 3)
  7. 7.96 s Receiving objects: 100% (86629/86629), 147.46 MiB | 32.18 MiB/s Receiving objects: 100% (86629/86629), 157.29 MiB | 32.38 MiB/s, done.
  8. 8.83 s Resolving deltas: 0% (0/58827) Resolving deltas: 1% (590/58827) Resolving deltas: 2% (1177/58827) Resolving deltas: 3% (1765/58827) Resolving deltas: 4% (2354/58827) Resolving deltas: 5% (2942/58827) Resolving deltas: 6% (3530/58827) Resolving deltas: 7% (4118/58827) Resolving deltas: 8% (4707/58827) Resolving deltas: 9% (5296/58827) Resolving deltas: 10% (5883/58827) Resolving deltas: 11% (6471/58827) Resolving deltas: 12% (7060/58827) Resolving deltas: 13% (7648/58827) Resolving deltas: 14% (8236/58827) Resolving deltas: 15% (8825/58827) Resolving deltas: 16% (9414/58827) Resolving deltas: 17% (10003/58827) Resolving deltas: 18% (10589/58827) Resolving deltas: 19% (11178/58827) Resolving deltas: 20% (11768/58827) Resolving deltas: 21% (12354/58827) Resolving deltas: 22% (12942/58827) Resolving deltas: 23% (13532/58827) Resolving deltas: 24% (14119/58827) Resolving deltas: 25% (14707/58827) Resolving deltas: 26% (15296/58827) Resolving deltas: 27% (15885/58827) Resolving deltas: 28% (16472/58827) Resolving deltas: 29% (17060/58827) Resolving deltas: 30% (17650/58827) Resolving deltas: 31% (18238/58827) Resolving deltas: 32% (18825/58827) Resolving deltas: 33% (19414/58827) Resolving deltas: 34% (20002/58827) Resolving deltas: 35% (20590/58827) Resolving deltas: 36% (21178/58827) Resolving deltas: 37% (21767/58827) Resolving deltas: 38% (22356/58827) Resolving deltas: 39% (22944/58827) Resolving deltas: 40% (23531/58827) Resolving deltas: 41% (24120/58827) Resolving deltas: 42% (24708/58827) Resolving deltas: 43% (25296/58827) Resolving deltas: 44% (25884/58827) Resolving deltas: 45% (26473/58827) Resolving deltas: 46% (27061/58827) Resolving deltas: 47% (27649/58827) Resolving deltas: 48% (28237/58827) Resolving deltas: 49% (28826/58827) Resolving deltas: 50% (29414/58827) Resolving deltas: 51% (30002/58827) Resolving deltas: 52% (30591/58827) Resolving deltas: 53% (31181/58827) Resolving deltas: 54% (31767/58827) Resolving deltas: 55% (32355/58827) Resolving deltas: 56% (32944/58827) Resolving deltas: 57% (33532/58827) Resolving deltas: 58% (34120/58827) Resolving deltas: 59% (34708/58827) Resolving deltas: 60% (35297/58827) Resolving deltas: 61% (35885/58827) Resolving deltas: 62% (36473/58827) Resolving deltas: 63% (37065/58827) Resolving deltas: 64% (37650/58827) Resolving deltas: 65% (38238/58827) Resolving deltas: 66% (38826/58827) Resolving deltas: 67% (39415/58827) Resolving deltas: 68% (40003/58827) Resolving deltas: 69% (40591/58827) Resolving deltas: 70% (41179/58827) Resolving deltas: 71% (41768/58827) Resolving deltas: 72% (42356/58827) Resolving deltas: 73% (42944/58827) Resolving deltas: 74% (43532/58827) Resolving deltas: 75% (44121/58827) Resolving deltas: 76% (44709/58827) Resolving deltas: 77% (45299/58827) Resolving deltas: 78% (45886/58827) Resolving deltas: 79% (46474/58827) Resolving deltas: 80% (47062/58827) Resolving deltas: 81% (47650/58827) Resolving deltas: 82% (48239/58827) Resolving deltas: 83% (48827/58827) Resolving deltas: 84% (49415/58827) Resolving deltas: 85% (50003/58827) Resolving deltas: 86% (50592/58827) Resolving deltas: 87% (51180/58827) Resolving deltas: 88% (51768/58827) Resolving deltas: 89% (52357/58827) Resolving deltas: 90% (52945/58827) Resolving deltas: 91% (53534/58827) Resolving deltas: 92% (54121/58827) Resolving deltas: 93% (54710/58827) Resolving deltas: 94% (55298/58827) Resolving deltas: 95% (55886/58827) Resolving deltas: 96% (56474/58827) Resolving deltas: 97% (57063/58827) Resolving deltas: 98% (57651/58827) Resolving deltas: 99% (58239/58827) Resolving deltas: 100% (58827/58827) Resolving deltas: 100% (58827/58827), done.
  9. 9.43 s Fetching commit 072c9999ee928e8e9979f92bd5fb16d4f17ca15f for advanced_sampling ...
  10. 9.43 s $ /nix/store/bcnisk3ydfgv26v2gw3zlky24g00yww2-git-2.54.0/bin/git fetch origin 072c9999ee928e8e9979f92bd5fb16d4f17ca15f
  11. 9.82 s From https://github.com/alphal00p/gammaloop
  12. 9.82 s * branch 072c9999ee928e8e9979f92bd5fb16d4f17ca15f -> FETCH_HEAD
  13. 9.84 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 072c9999ee928e8e9979f92bd5fb16d4f17ca15f
  14. 10.06 s HEAD is now at 072c9999e bind hosted joint surfaces and certify native normal accuracy
  15. 10.06 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. 17.07 s
  17. 17.28 s Downloading cached gammaloop-nextest-binaries-python-api-gammaloop-integration-tests from https://cache.nix-ci.com
  18. 17.32 s Downloaded cached gammaloop-nextest-binaries-python-api-gammaloop-integration-tests (8.5 MiB) in 48ms
  19. 17.32 s Progress: 0 of 3 built, 1 of 1 downloaded from cache
  20. 17.36 s Building /nix/store/w5i8f11hpf8h1mxq11n6w0rgxxs1mrga-gammaloop-nextest-binaries-python-api.drv
  21. 17.40 s [gammaloop-nextest-binaries-python-api:post-build] Uploading to the NixCI cache: /nix/store/lc26z26h36ydvgkipxcl847id16ms0b2-gammaloop-nextest-binaries-python-api
  22. 17.44 s [gammaloop-nextest-binaries-python-api:post-build] warning: 'warn-short-path-literals' is deprecated, use 'lint-short-path-literals = ignore' instead
  23. 17.44 s [gammaloop-nextest-binaries-python-api:post-build] copying 1 paths...
  24. 17.44 s [gammaloop-nextest-binaries-python-api:post-build] copying path '/nix/store/lc26z26h36ydvgkipxcl847id16ms0b2-gammaloop-nextest-binaries-python-api' to 'https://cache.nix-ci.com'...
  25. 17.50 s [gammaloop-nextest-binaries-python-api:post-build] warning: 'warn-short-path-literals' is deprecated, use 'lint-short-path-literals = ignore' instead
  26. 17.63 s [gammaloop-nextest-binaries-python-api:post-build] copying 0 paths...
  27. 17.65 s Uploaded gammaloop-nextest-binaries-python-api in 256ms
  28. 17.65 s Progress: 1 of 3 built, 1 of 1 downloaded from cache
  29. 17.65 s Built gammaloop-nextest-binaries-python-api in 291ms
  30. 17.72 s Building /nix/store/2giaddk7mfwd1nf6x899j0qvwb9wnfas-nix-ci-check-gammaloop-nextest-python-api.drv
  31. 17.78 s [nix-ci-check-gammaloop-nextest-python-api:post-build] Uploading to the NixCI cache: /nix/store/05k97xd997klbdv458aps01lla571nfa-nix-ci-check-gammaloop-nextest-python-api
  32. 17.82 s [nix-ci-check-gammaloop-nextest-python-api:post-build] warning: 'warn-short-path-literals' is deprecated, use 'lint-short-path-literals = ignore' instead
  33. 17.83 s [nix-ci-check-gammaloop-nextest-python-api:post-build] copying 1 paths...
  34. 17.83 s [nix-ci-check-gammaloop-nextest-python-api:post-build] copying path '/nix/store/05k97xd997klbdv458aps01lla571nfa-nix-ci-check-gammaloop-nextest-python-api' to 'https://cache.nix-ci.com'...
  35. 17.89 s [nix-ci-check-gammaloop-nextest-python-api:post-build] warning: 'warn-short-path-literals' is deprecated, use 'lint-short-path-literals = ignore' instead
  36. 18.06 s [nix-ci-check-gammaloop-nextest-python-api:post-build] copying 0 paths...
  37. 18.09 s Uploaded nix-ci-check-gammaloop-nextest-python-api in 316ms
  38. 18.09 s Progress: 2 of 3 built, 1 of 1 downloaded from cache
  39. 18.09 s Built nix-ci-check-gammaloop-nextest-python-api in 367ms
  40. 18.09 s Progress: 3 of 3 built, 1 of 1 downloaded from cache
  41. 25.94 s evaluating derivation 'g copying '/nix/store/k8rz evaluating derivation 'g copying '/nix/store/k8rz evaluating derivation 'g copying '/nix/store/k8rz evaluating derivation 'g copying '/nix/store/k8rz evaluating derivation 'g copying '/nix/store/k8rz evaluating derivation 'g copying '/nix/store/k8rz evaluating derivation 'g copying '/nix/store/k8rz evaluating derivation 'g copying '/nix/store/k8rz evaluating derivation 'g copying '/nix/store/k8rz evaluating derivation 'g copying '/nix/store/k8rz evaluating derivation 'g querying gammaloop-nexte [0.0 KiB DL] querying in [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-B8KrES
  42. 26.00 s gammaloop-nextest-python-api> Extracted 18 files to /build/nextest-archive-B8KrES in 0.06s
  43. 26.01 s gammaloop-nextest-python-api> ------------
  44. 26.01 s gammaloop-nextest-python-api> Nextest run ID 3c13e52b-b4d4-46d3-b74d-820221bc5255 with nextest profile: ci_gammaloop
  45. 26.01 s gammaloop-nextest-python-api> Starting 5 tests across 1 binary
  46. 26.61 s gammaloop-nextest-python-api> FAIL [ 0.602s] (2/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  47. 26.61 s gammaloop-nextest-python-api> stdout ---
  48. 26.61 s gammaloop-nextest-python-api>
  49. 26.61 s gammaloop-nextest-python-api> running 1 test
  50. 26.61 s gammaloop-nextest-python-api> test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  51. 26.61 s gammaloop-nextest-python-api>
  52. 26.61 s gammaloop-nextest-python-api> failures:
  53. 26.61 s gammaloop-nextest-python-api>
  54. 26.61 s gammaloop-nextest-python-api> failures:
  55. 26.61 s gammaloop-nextest-python-api> python_evaluate_sample_honors_generate_events_and_observable_snapshots
  56. 26.61 s gammaloop-nextest-python-api>
  57. 26.61 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  58. 26.61 s gammaloop-nextest-python-api>
  59. 26.61 s gammaloop-nextest-python-api> stderr ---
  60. 26.61 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  61. 26.61 s gammaloop-nextest-python-api> stdout:
  62. 26.61 s gammaloop-nextest-python-api>
  63. 26.61 s gammaloop-nextest-python-api> stderr:
  64. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  65. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  66. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  67. 26.61 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  68. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  69. 26.61 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-)
  70. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  71. 26.61 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
  72. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.591] @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]}}'
  73. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.591] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  74. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.592] @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
  75. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  76. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  77. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  78. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  79. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  80. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  81. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  82. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  83. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  84. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  85. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @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)
  86. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  87. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @commands::generate INFO : Generated cross-section 2 graphs.
  88. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  89. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.701] @gammaloop_api::se... INFO : Running command generate
  90. 26.61 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.004] @commands::generate INFO :
  91. 26.61 s gammaloop-nextest-python-api> Integrand generation summary
  92. 26.61 s gammaloop-nextest-python-api> peak RAM 95.89 MiB | cores 1
  93. 26.61 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  94. 26.61 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  95. 26.61 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  96. 26.61 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 39ms (47%) │ 21ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  97. 26.62 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 59ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  98. 26.62 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  99. 26.62 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 96ms (36%) │ 80ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  100. 26.62 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  101. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.004] @gammaloop_api::se... INFO : Running command set process string '
  102. 26.62 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  103. 26.62 s gammaloop-nextest-python-api> type = "jet"
  104. 26.62 s gammaloop-nextest-python-api> quantity = "PT"
  105. 26.62 s gammaloop-nextest-python-api> dR = 0.4
  106. 26.62 s gammaloop-nextest-python-api> [...]
  107. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.005] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  108. 26.62 s gammaloop-nextest-python-api> The application panicked (crashed).
  109. 26.62 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  110. 26.62 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  111. 26.62 s gammaloop-nextest-python-api>
  112. 26.62 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  113. 26.62 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  114. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  115. 26.62 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  116. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  117. 26.62 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  118. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  119. 26.62 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  120. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  121. 26.62 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  122. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  123. 26.62 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  124. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  125. 26.62 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  126. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  127. 26.62 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  128. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  129. 26.62 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>
  130. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  131. 26.62 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>
  132. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  133. 26.62 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  134. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  135. 26.62 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  136. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  137. 26.62 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  138. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  139. 26.62 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  140. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  141. 26.62 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  142. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  143. 26.62 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  144. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  145. 26.62 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  146. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  147. 26.62 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  148. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  149. 26.62 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  150. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  151. 26.62 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  152. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  153. 26.62 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  154. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  155. 26.62 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  156. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  157. 26.62 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  158. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  159. 26.62 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  160. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  161. 26.62 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  162. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  163. 26.62 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  164. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  165. 26.62 s gammaloop-nextest-python-api> 27: _start<unknown>
  166. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  167. 26.62 s gammaloop-nextest-python-api>
  168. 26.62 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  169. 26.62 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  170. 26.62 s gammaloop-nextest-python-api> Traceback (most recent call last):
  171. 26.62 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  172. 26.62 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  173. 26.62 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  174. 26.62 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  175. 26.62 s gammaloop-nextest-python-api>
  176. 26.62 s gammaloop-nextest-python-api>
  177. 26.62 s gammaloop-nextest-python-api> Location:
  178. 26.62 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  179. 26.62 s gammaloop-nextest-python-api>
  180. 26.62 s gammaloop-nextest-python-api> FAIL [ 0.602s] (3/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  181. 26.62 s gammaloop-nextest-python-api> stdout ---
  182. 26.62 s gammaloop-nextest-python-api>
  183. 26.62 s gammaloop-nextest-python-api> running 1 test
  184. 26.62 s gammaloop-nextest-python-api> test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  185. 26.62 s gammaloop-nextest-python-api>
  186. 26.62 s gammaloop-nextest-python-api> failures:
  187. 26.62 s gammaloop-nextest-python-api>
  188. 26.62 s gammaloop-nextest-python-api> failures:
  189. 26.62 s gammaloop-nextest-python-api> python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  190. 26.62 s gammaloop-nextest-python-api>
  191. 26.62 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  192. 26.62 s gammaloop-nextest-python-api>
  193. 26.62 s gammaloop-nextest-python-api> stderr ---
  194. 26.62 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  195. 26.62 s gammaloop-nextest-python-api> stdout:
  196. 26.62 s gammaloop-nextest-python-api>
  197. 26.62 s gammaloop-nextest-python-api> stderr:
  198. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  199. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  200. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  201. 26.62 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  202. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  203. 26.62 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-)
  204. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  205. 26.62 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
  206. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.591] @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]}}'
  207. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.591] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  208. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.592] @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
  209. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  210. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  211. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  212. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  213. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  214. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  215. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  216. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  217. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  218. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  219. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.701] @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)
  220. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.702] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  221. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.702] @commands::generate INFO : Generated cross-section 2 graphs.
  222. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.702] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  223. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.703] @gammaloop_api::se... INFO : Running command generate
  224. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.005] @commands::generate INFO :
  225. 26.62 s gammaloop-nextest-python-api> Integrand generation summary
  226. 26.62 s gammaloop-nextest-python-api> peak RAM 97.41 MiB | cores 1
  227. 26.62 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  228. 26.62 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  229. 26.62 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  230. 26.62 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 38ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  231. 26.62 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 61ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  232. 26.62 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  233. 26.62 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 96ms (35%) │ 83ms (30%) │ 93ms (34%) │ 0ms (0.00%) │
  234. 26.62 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  235. 26.62 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.006] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  236. 26.62 s gammaloop-nextest-python-api> The application panicked (crashed).
  237. 26.62 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  238. 26.62 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  239. 26.62 s gammaloop-nextest-python-api>
  240. 26.62 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  241. 26.62 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  242. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  243. 26.62 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  244. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  245. 26.62 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  246. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  247. 26.62 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  248. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  249. 26.62 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  250. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  251. 26.62 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  252. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  253. 26.62 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  254. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  255. 26.62 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  256. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  257. 26.62 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>
  258. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  259. 26.62 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>
  260. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  261. 26.62 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  262. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  263. 26.62 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  264. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  265. 26.62 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  266. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  267. 26.62 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  268. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  269. 26.62 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  270. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  271. 26.62 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  272. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  273. 26.62 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  274. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  275. 26.62 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  276. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  277. 26.62 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  278. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  279. 26.62 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  280. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  281. 26.62 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  282. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  283. 26.62 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  284. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  285. 26.62 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  286. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  287. 26.62 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  288. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  289. 26.62 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  290. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  291. 26.62 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  292. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  293. 26.62 s gammaloop-nextest-python-api> 27: _start<unknown>
  294. 26.62 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  295. 26.62 s gammaloop-nextest-python-api>
  296. 26.62 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  297. 26.62 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  298. 26.62 s gammaloop-nextest-python-api> Traceback (most recent call last):
  299. 26.62 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  300. 26.62 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  301. 26.62 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  302. 26.62 s gammaloop-nextest-python-api>
  303. 26.62 s gammaloop-nextest-python-api>
  304. 26.62 s gammaloop-nextest-python-api> Location:
  305. 26.62 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  306. 26.62 s gammaloop-nextest-python-api>
  307. 26.72 s gammaloop-nextest-python-api> FAIL [ 0.704s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  308. 26.72 s gammaloop-nextest-python-api> stdout ---
  309. 26.72 s gammaloop-nextest-python-api>
  310. 26.72 s gammaloop-nextest-python-api> running 1 test
  311. 26.72 s gammaloop-nextest-python-api> test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  312. 26.72 s gammaloop-nextest-python-api>
  313. 26.72 s gammaloop-nextest-python-api> failures:
  314. 26.72 s gammaloop-nextest-python-api>
  315. 26.72 s gammaloop-nextest-python-api> failures:
  316. 26.72 s gammaloop-nextest-python-api> python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  317. 26.72 s gammaloop-nextest-python-api>
  318. 26.72 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.70s
  319. 26.72 s gammaloop-nextest-python-api>
  320. 26.72 s gammaloop-nextest-python-api> stderr ---
  321. 26.72 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  322. 26.72 s gammaloop-nextest-python-api> stdout:
  323. 26.72 s gammaloop-nextest-python-api>
  324. 26.72 s gammaloop-nextest-python-api> stderr:
  325. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  326. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  327. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  328. 26.72 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  329. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  330. 26.72 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-)
  331. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  332. 26.72 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
  333. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.591] @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]}}'
  334. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.592] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  335. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.593] @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
  336. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  337. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  338. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  339. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  340. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  341. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  342. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  343. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  344. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  345. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.600] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  346. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @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)
  347. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  348. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @commands::generate INFO : Generated cross-section 2 graphs.
  349. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  350. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.701] @gammaloop_api::se... INFO : Running command generate
  351. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.004] @commands::generate INFO :
  352. 26.72 s gammaloop-nextest-python-api> Integrand generation summary
  353. 26.72 s gammaloop-nextest-python-api> peak RAM 96.15 MiB | cores 1
  354. 26.72 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  355. 26.72 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  356. 26.72 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  357. 26.72 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 37ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  358. 26.72 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  359. 26.72 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  360. 26.72 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  361. 26.72 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  362. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.005] @gammaloop_api::se... INFO : Running command set process string '
  363. 26.72 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  364. 26.72 s gammaloop-nextest-python-api> type = "jet"
  365. 26.72 s gammaloop-nextest-python-api> quantity = "PT"
  366. 26.72 s gammaloop-nextest-python-api> dR = 0.4
  367. 26.72 s gammaloop-nextest-python-api> [...]
  368. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.006] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  369. 26.72 s gammaloop-nextest-python-api> The application panicked (crashed).
  370. 26.72 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  371. 26.72 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  372. 26.72 s gammaloop-nextest-python-api>
  373. 26.72 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  374. 26.72 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  375. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  376. 26.72 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  377. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  378. 26.72 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  379. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  380. 26.72 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  381. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  382. 26.72 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  383. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  384. 26.72 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  385. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  386. 26.72 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  387. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  388. 26.72 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  389. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  390. 26.72 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>
  391. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  392. 26.72 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>
  393. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  394. 26.72 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  395. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  396. 26.72 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  397. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  398. 26.72 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  399. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  400. 26.72 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  401. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  402. 26.72 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  403. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  404. 26.72 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  405. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  406. 26.72 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  407. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  408. 26.72 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  409. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  410. 26.72 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  411. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  412. 26.72 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  413. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  414. 26.72 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  415. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  416. 26.72 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  417. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  418. 26.72 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  419. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  420. 26.72 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  421. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  422. 26.72 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  423. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  424. 26.72 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  425. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  426. 26.72 s gammaloop-nextest-python-api> 27: _start<unknown>
  427. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  428. 26.72 s gammaloop-nextest-python-api>
  429. 26.72 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  430. 26.72 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  431. 26.72 s gammaloop-nextest-python-api> Traceback (most recent call last):
  432. 26.72 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  433. 26.72 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  434. 26.72 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  435. 26.72 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  436. 26.72 s gammaloop-nextest-python-api>
  437. 26.72 s gammaloop-nextest-python-api>
  438. 26.72 s gammaloop-nextest-python-api> Location:
  439. 26.72 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  440. 26.72 s gammaloop-nextest-python-api>
  441. 26.72 s gammaloop-nextest-python-api> ------------
  442. 26.72 s gammaloop-nextest-python-api> Summary [ 0.706s] 5 tests run: 2 passed, 3 failed, 0 skipped
  443. 26.72 s gammaloop-nextest-python-api> FAIL [ 0.602s] (2/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  444. 26.72 s gammaloop-nextest-python-api> stdout ---
  445. 26.72 s gammaloop-nextest-python-api>
  446. 26.72 s gammaloop-nextest-python-api> running 1 test
  447. 26.72 s gammaloop-nextest-python-api> test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  448. 26.72 s gammaloop-nextest-python-api>
  449. 26.72 s gammaloop-nextest-python-api> failures:
  450. 26.72 s gammaloop-nextest-python-api>
  451. 26.72 s gammaloop-nextest-python-api> failures:
  452. 26.72 s gammaloop-nextest-python-api> python_evaluate_sample_honors_generate_events_and_observable_snapshots
  453. 26.72 s gammaloop-nextest-python-api>
  454. 26.72 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  455. 26.72 s gammaloop-nextest-python-api>
  456. 26.72 s gammaloop-nextest-python-api> stderr ---
  457. 26.72 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  458. 26.72 s gammaloop-nextest-python-api> stdout:
  459. 26.72 s gammaloop-nextest-python-api>
  460. 26.72 s gammaloop-nextest-python-api> stderr:
  461. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  462. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  463. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  464. 26.72 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  465. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  466. 26.72 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-)
  467. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  468. 26.72 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
  469. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.591] @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]}}'
  470. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.591] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  471. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.592] @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
  472. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  473. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  474. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  475. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  476. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  477. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  478. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  479. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  480. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  481. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  482. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @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)
  483. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  484. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @commands::generate INFO : Generated cross-section 2 graphs.
  485. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  486. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.701] @gammaloop_api::se... INFO : Running command generate
  487. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.004] @commands::generate INFO :
  488. 26.72 s gammaloop-nextest-python-api> Integrand generation summary
  489. 26.72 s gammaloop-nextest-python-api> peak RAM 95.89 MiB | cores 1
  490. 26.72 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  491. 26.72 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  492. 26.72 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  493. 26.72 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 39ms (47%) │ 21ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  494. 26.72 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 59ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  495. 26.72 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  496. 26.72 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 96ms (36%) │ 80ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  497. 26.72 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  498. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.004] @gammaloop_api::se... INFO : Running command set process string '
  499. 26.72 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  500. 26.72 s gammaloop-nextest-python-api> type = "jet"
  501. 26.72 s gammaloop-nextest-python-api> quantity = "PT"
  502. 26.72 s gammaloop-nextest-python-api> dR = 0.4
  503. 26.72 s gammaloop-nextest-python-api> [...]
  504. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.005] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  505. 26.72 s gammaloop-nextest-python-api> The application panicked (crashed).
  506. 26.72 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  507. 26.72 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  508. 26.72 s gammaloop-nextest-python-api>
  509. 26.72 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  510. 26.72 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  511. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  512. 26.72 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  513. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  514. 26.72 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  515. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  516. 26.72 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  517. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  518. 26.72 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  519. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  520. 26.72 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  521. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  522. 26.72 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  523. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  524. 26.72 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  525. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  526. 26.72 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>
  527. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  528. 26.72 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>
  529. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  530. 26.72 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  531. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  532. 26.72 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  533. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  534. 26.72 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  535. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  536. 26.72 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  537. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  538. 26.72 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  539. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  540. 26.72 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  541. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  542. 26.72 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  543. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  544. 26.72 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  545. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  546. 26.72 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  547. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  548. 26.72 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  549. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  550. 26.72 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  551. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  552. 26.72 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  553. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  554. 26.72 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  555. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  556. 26.72 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  557. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  558. 26.72 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  559. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  560. 26.72 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  561. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  562. 26.72 s gammaloop-nextest-python-api> 27: _start<unknown>
  563. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  564. 26.72 s gammaloop-nextest-python-api>
  565. 26.72 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  566. 26.72 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  567. 26.72 s gammaloop-nextest-python-api> Traceback (most recent call last):
  568. 26.72 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  569. 26.72 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  570. 26.72 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  571. 26.72 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  572. 26.72 s gammaloop-nextest-python-api>
  573. 26.72 s gammaloop-nextest-python-api>
  574. 26.72 s gammaloop-nextest-python-api> Location:
  575. 26.72 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  576. 26.72 s gammaloop-nextest-python-api>
  577. 26.72 s gammaloop-nextest-python-api> FAIL [ 0.602s] (3/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  578. 26.72 s gammaloop-nextest-python-api> stdout ---
  579. 26.72 s gammaloop-nextest-python-api>
  580. 26.72 s gammaloop-nextest-python-api> running 1 test
  581. 26.72 s gammaloop-nextest-python-api> test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  582. 26.72 s gammaloop-nextest-python-api>
  583. 26.72 s gammaloop-nextest-python-api> failures:
  584. 26.72 s gammaloop-nextest-python-api>
  585. 26.72 s gammaloop-nextest-python-api> failures:
  586. 26.72 s gammaloop-nextest-python-api> python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  587. 26.72 s gammaloop-nextest-python-api>
  588. 26.72 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  589. 26.72 s gammaloop-nextest-python-api>
  590. 26.72 s gammaloop-nextest-python-api> stderr ---
  591. 26.72 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  592. 26.72 s gammaloop-nextest-python-api> stdout:
  593. 26.72 s gammaloop-nextest-python-api>
  594. 26.72 s gammaloop-nextest-python-api> stderr:
  595. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  596. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  597. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  598. 26.72 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  599. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  600. 26.72 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-)
  601. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  602. 26.72 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
  603. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.591] @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]}}'
  604. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.591] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  605. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.592] @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
  606. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  607. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  608. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  609. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  610. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  611. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  612. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  613. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  614. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  615. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  616. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.701] @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)
  617. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.702] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  618. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.702] @commands::generate INFO : Generated cross-section 2 graphs.
  619. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.702] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  620. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.703] @gammaloop_api::se... INFO : Running command generate
  621. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.005] @commands::generate INFO :
  622. 26.72 s gammaloop-nextest-python-api> Integrand generation summary
  623. 26.72 s gammaloop-nextest-python-api> peak RAM 97.41 MiB | cores 1
  624. 26.72 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  625. 26.72 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  626. 26.72 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  627. 26.72 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 38ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  628. 26.72 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 61ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  629. 26.72 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  630. 26.72 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 96ms (35%) │ 83ms (30%) │ 93ms (34%) │ 0ms (0.00%) │
  631. 26.72 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  632. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.006] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  633. 26.72 s gammaloop-nextest-python-api> The application panicked (crashed).
  634. 26.72 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  635. 26.72 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  636. 26.72 s gammaloop-nextest-python-api>
  637. 26.72 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  638. 26.72 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  639. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  640. 26.72 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  641. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  642. 26.72 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  643. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  644. 26.72 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  645. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  646. 26.72 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  647. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  648. 26.72 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  649. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  650. 26.72 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  651. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  652. 26.72 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  653. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  654. 26.72 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>
  655. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  656. 26.72 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>
  657. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  658. 26.72 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  659. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  660. 26.72 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  661. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  662. 26.72 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  663. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  664. 26.72 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  665. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  666. 26.72 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  667. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  668. 26.72 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  669. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  670. 26.72 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  671. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  672. 26.72 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  673. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  674. 26.72 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  675. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  676. 26.72 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  677. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  678. 26.72 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  679. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  680. 26.72 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  681. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  682. 26.72 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  683. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  684. 26.72 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  685. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  686. 26.72 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  687. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  688. 26.72 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  689. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  690. 26.72 s gammaloop-nextest-python-api> 27: _start<unknown>
  691. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  692. 26.72 s gammaloop-nextest-python-api>
  693. 26.72 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  694. 26.72 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  695. 26.72 s gammaloop-nextest-python-api> Traceback (most recent call last):
  696. 26.72 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  697. 26.72 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  698. 26.72 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  699. 26.72 s gammaloop-nextest-python-api>
  700. 26.72 s gammaloop-nextest-python-api>
  701. 26.72 s gammaloop-nextest-python-api> Location:
  702. 26.72 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  703. 26.72 s gammaloop-nextest-python-api>
  704. 26.72 s gammaloop-nextest-python-api> FAIL [ 0.704s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  705. 26.72 s gammaloop-nextest-python-api> stdout ---
  706. 26.72 s gammaloop-nextest-python-api>
  707. 26.72 s gammaloop-nextest-python-api> running 1 test
  708. 26.72 s gammaloop-nextest-python-api> test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  709. 26.72 s gammaloop-nextest-python-api>
  710. 26.72 s gammaloop-nextest-python-api> failures:
  711. 26.72 s gammaloop-nextest-python-api>
  712. 26.72 s gammaloop-nextest-python-api> failures:
  713. 26.72 s gammaloop-nextest-python-api> python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  714. 26.72 s gammaloop-nextest-python-api>
  715. 26.72 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.70s
  716. 26.72 s gammaloop-nextest-python-api>
  717. 26.72 s gammaloop-nextest-python-api> stderr ---
  718. 26.72 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  719. 26.72 s gammaloop-nextest-python-api> stdout:
  720. 26.72 s gammaloop-nextest-python-api>
  721. 26.72 s gammaloop-nextest-python-api> stderr:
  722. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  723. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  724. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  725. 26.72 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  726. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  727. 26.72 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-)
  728. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  729. 26.72 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
  730. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.591] @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]}}'
  731. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.592] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  732. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.593] @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
  733. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  734. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  735. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  736. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  737. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  738. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  739. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  740. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  741. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  742. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.600] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  743. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @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)
  744. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  745. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @commands::generate INFO : Generated cross-section 2 graphs.
  746. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  747. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.701] @gammaloop_api::se... INFO : Running command generate
  748. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.004] @commands::generate INFO :
  749. 26.72 s gammaloop-nextest-python-api> Integrand generation summary
  750. 26.72 s gammaloop-nextest-python-api> peak RAM 96.15 MiB | cores 1
  751. 26.72 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  752. 26.72 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  753. 26.72 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  754. 26.72 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 37ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  755. 26.72 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  756. 26.72 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  757. 26.72 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  758. 26.72 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  759. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.005] @gammaloop_api::se... INFO : Running command set process string '
  760. 26.72 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  761. 26.72 s gammaloop-nextest-python-api> type = "jet"
  762. 26.72 s gammaloop-nextest-python-api> quantity = "PT"
  763. 26.72 s gammaloop-nextest-python-api> dR = 0.4
  764. 26.72 s gammaloop-nextest-python-api> [...]
  765. 26.72 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.006] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  766. 26.72 s gammaloop-nextest-python-api> The application panicked (crashed).
  767. 26.72 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  768. 26.72 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  769. 26.72 s gammaloop-nextest-python-api>
  770. 26.72 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  771. 26.72 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  772. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  773. 26.72 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  774. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  775. 26.72 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  776. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  777. 26.72 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  778. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  779. 26.72 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  780. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  781. 26.72 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  782. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  783. 26.72 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  784. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  785. 26.72 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  786. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  787. 26.72 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>
  788. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  789. 26.72 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>
  790. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  791. 26.72 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  792. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  793. 26.72 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  794. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  795. 26.72 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  796. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  797. 26.72 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  798. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  799. 26.72 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  800. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  801. 26.72 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  802. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  803. 26.72 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  804. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  805. 26.72 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  806. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  807. 26.72 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  808. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  809. 26.72 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  810. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  811. 26.72 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  812. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  813. 26.72 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  814. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  815. 26.72 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  816. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  817. 26.72 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  818. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  819. 26.72 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  820. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  821. 26.72 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  822. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  823. 26.72 s gammaloop-nextest-python-api> 27: _start<unknown>
  824. 26.72 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  825. 26.72 s gammaloop-nextest-python-api>
  826. 26.72 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  827. 26.72 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  828. 26.72 s gammaloop-nextest-python-api> Traceback (most recent call last):
  829. 26.72 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  830. 26.72 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  831. 26.72 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  832. 26.72 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  833. 26.72 s gammaloop-nextest-python-api>
  834. 26.72 s gammaloop-nextest-python-api>
  835. 26.72 s gammaloop-nextest-python-api> Location:
  836. 26.72 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  837. 26.72 s gammaloop-nextest-python-api>
  838. 26.73 s gammaloop-nextest-python-api> error: test run failed
  839. 26.75 s gammaloop-nextest-python-api>
  840. 26.75 s gammaloop-nextest-python-api> ========== nextest test summary ==========
  841. 26.75 s gammaloop-nextest-python-api> report: target/nextest/ci_gammaloop/junit.xml
  842. 26.75 s gammaloop-nextest-python-api> tests: 5, failures: 3, errors: 0
  843. 26.75 s gammaloop-nextest-python-api>
  844. 26.75 s gammaloop-nextest-python-api> 1. gammaloop-integration-tests::test_python_api::python_evaluate_sample_honors_generate_events_and_observable_snapshots
  845. 26.75 s gammaloop-nextest-python-api> failure: test failure with exit code 101
  846. 26.75 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  847. 26.75 s gammaloop-nextest-python-api> stdout:
  848. 26.75 s gammaloop-nextest-python-api>
  849. 26.75 s gammaloop-nextest-python-api> stderr:
  850. 26.75 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  851. 26.75 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  852. 26.75 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  853. 26.75 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  854. 26.75 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  855. 26.75 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  856. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  857. 26.76 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
  858. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.591] @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]}}'
  859. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.591] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  860. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.592] @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
  861. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  862. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  863. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  864. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  865. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  866. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  867. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  868. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  869. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  870. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  871. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @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)
  872. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  873. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @commands::generate INFO : Generated cross-section 2 graphs.
  874. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  875. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.701] @gammaloop_api::se... INFO : Running command generate
  876. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.004] @commands::generate INFO :
  877. 26.76 s gammaloop-nextest-python-api> Integrand generation summary
  878. 26.76 s gammaloop-nextest-python-api> peak RAM 95.89 MiB | cores 1
  879. 26.76 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  880. 26.76 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  881. 26.76 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  882. 26.76 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 39ms (47%) │ 21ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  883. 26.76 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 59ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  884. 26.76 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  885. 26.76 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 96ms (36%) │ 80ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  886. 26.76 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  887. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.004] @gammaloop_api::se... INFO : Running command set process string '
  888. 26.76 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  889. 26.76 s gammaloop-nextest-python-api> type = "jet"
  890. 26.76 s gammaloop-nextest-python-api> quantity = "PT"
  891. 26.76 s gammaloop-nextest-python-api> dR = 0.4
  892. 26.76 s gammaloop-nextest-python-api> [...]
  893. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.005] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  894. 26.76 s gammaloop-nextest-python-api> The application panicked (crashed).
  895. 26.76 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  896. 26.76 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  897. 26.76 s gammaloop-nextest-python-api>
  898. 26.76 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  899. 26.76 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  900. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  901. 26.76 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  902. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  903. 26.76 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  904. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  905. 26.76 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  906. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  907. 26.76 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  908. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  909. 26.76 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  910. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  911. 26.76 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  912. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  913. 26.76 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  914. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  915. 26.76 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>
  916. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  917. 26.76 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>
  918. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  919. 26.76 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  920. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  921. 26.76 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  922. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  923. 26.76 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  924. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  925. 26.76 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  926. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  927. 26.76 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  928. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  929. 26.76 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  930. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  931. 26.76 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  932. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  933. 26.76 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  934. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  935. 26.76 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  936. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  937. 26.76 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  938. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  939. 26.76 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  940. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  941. 26.76 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  942. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  943. 26.76 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  944. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  945. 26.76 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  946. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  947. 26.76 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  948. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  949. 26.76 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  950. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  951. 26.76 s gammaloop-nextest-python-api> 27: _start<unknown>
  952. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  953. 26.76 s gammaloop-nextest-python-api>
  954. 26.76 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  955. 26.76 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  956. 26.76 s gammaloop-nextest-python-api> Traceback (most recent call last):
  957. 26.76 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  958. 26.76 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  959. 26.76 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  960. 26.76 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  961. 26.76 s gammaloop-nextest-python-api>
  962. 26.76 s gammaloop-nextest-python-api>
  963. 26.76 s gammaloop-nextest-python-api> Location:
  964. 26.76 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  965. 26.76 s gammaloop-nextest-python-api> system-out
  966. 26.76 s gammaloop-nextest-python-api> running 1 test
  967. 26.76 s gammaloop-nextest-python-api> test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  968. 26.76 s gammaloop-nextest-python-api>
  969. 26.76 s gammaloop-nextest-python-api> failures:
  970. 26.76 s gammaloop-nextest-python-api>
  971. 26.76 s gammaloop-nextest-python-api> failures:
  972. 26.76 s gammaloop-nextest-python-api> python_evaluate_sample_honors_generate_events_and_observable_snapshots
  973. 26.76 s gammaloop-nextest-python-api>
  974. 26.76 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  975. 26.76 s gammaloop-nextest-python-api> system-err
  976. 26.76 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  977. 26.76 s gammaloop-nextest-python-api> stdout:
  978. 26.76 s gammaloop-nextest-python-api>
  979. 26.76 s gammaloop-nextest-python-api> stderr:
  980. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  981. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  982. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  983. 26.76 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  984. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  985. 26.76 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-)
  986. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  987. 26.76 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
  988. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.591] @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]}}'
  989. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.591] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  990. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.592] @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
  991. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  992. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  993. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  994. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  995. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  996. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  997. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  998. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  999. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1000. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1001. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @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)
  1002. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1003. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @commands::generate INFO : Generated cross-section 2 graphs.
  1004. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1005. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.701] @gammaloop_api::se... INFO : Running command generate
  1006. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.004] @commands::generate INFO :
  1007. 26.76 s gammaloop-nextest-python-api> Integrand generation summary
  1008. 26.76 s gammaloop-nextest-python-api> peak RAM 95.89 MiB | cores 1
  1009. 26.76 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1010. 26.76 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1011. 26.76 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1012. 26.76 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 39ms (47%) │ 21ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  1013. 26.76 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 59ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  1014. 26.76 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1015. 26.76 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 96ms (36%) │ 80ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  1016. 26.76 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1017. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.004] @gammaloop_api::se... INFO : Running command set process string '
  1018. 26.76 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  1019. 26.76 s gammaloop-nextest-python-api> type = "jet"
  1020. 26.76 s gammaloop-nextest-python-api> quantity = "PT"
  1021. 26.76 s gammaloop-nextest-python-api> dR = 0.4
  1022. 26.76 s gammaloop-nextest-python-api> [...]
  1023. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.005] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  1024. 26.76 s gammaloop-nextest-python-api> The application panicked (crashed).
  1025. 26.76 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1026. 26.76 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1027. 26.76 s gammaloop-nextest-python-api>
  1028. 26.76 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1029. 26.76 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1030. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1031. 26.76 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1032. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1033. 26.76 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1034. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1035. 26.76 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1036. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1037. 26.76 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1038. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1039. 26.76 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1040. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1041. 26.76 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1042. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1043. 26.76 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1044. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1045. 26.76 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>
  1046. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1047. 26.76 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>
  1048. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1049. 26.76 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1050. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1051. 26.76 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1052. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1053. 26.76 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1054. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1055. 26.76 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1056. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1057. 26.76 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1058. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1059. 26.76 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1060. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1061. 26.76 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1062. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1063. 26.76 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1064. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1065. 26.76 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1066. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1067. 26.76 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1068. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1069. 26.76 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  1070. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1071. 26.76 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  1072. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1073. 26.76 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  1074. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1075. 26.76 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  1076. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1077. 26.76 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  1078. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1079. 26.76 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  1080. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1081. 26.76 s gammaloop-nextest-python-api> 27: _start<unknown>
  1082. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1083. 26.76 s gammaloop-nextest-python-api>
  1084. 26.76 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1085. 26.76 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1086. 26.76 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1087. 26.76 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  1088. 26.76 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  1089. 26.76 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  1090. 26.76 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1091. 26.76 s gammaloop-nextest-python-api>
  1092. 26.76 s gammaloop-nextest-python-api>
  1093. 26.76 s gammaloop-nextest-python-api> Location:
  1094. 26.76 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1095. 26.76 s gammaloop-nextest-python-api>
  1096. 26.76 s gammaloop-nextest-python-api> 2. gammaloop-integration-tests::test_python_api::python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1097. 26.76 s gammaloop-nextest-python-api> failure: test failure with exit code 101
  1098. 26.76 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1099. 26.76 s gammaloop-nextest-python-api> stdout:
  1100. 26.76 s gammaloop-nextest-python-api>
  1101. 26.76 s gammaloop-nextest-python-api> stderr:
  1102. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  1103. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  1104. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1105. 26.76 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1106. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1107. 26.76 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-)
  1108. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1109. 26.76 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
  1110. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.591] @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]}}'
  1111. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.591] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1112. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.592] @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
  1113. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1114. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1115. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1116. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1117. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1118. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1119. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1120. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1121. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1122. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1123. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.701] @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)
  1124. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.702] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1125. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.702] @commands::generate INFO : Generated cross-section 2 graphs.
  1126. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.702] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1127. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.703] @gammaloop_api::se... INFO : Running command generate
  1128. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.005] @commands::generate INFO :
  1129. 26.76 s gammaloop-nextest-python-api> Integrand generation summary
  1130. 26.76 s gammaloop-nextest-python-api> peak RAM 97.41 MiB | cores 1
  1131. 26.76 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1132. 26.76 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1133. 26.76 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1134. 26.76 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 38ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  1135. 26.76 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 61ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  1136. 26.76 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1137. 26.76 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 96ms (35%) │ 83ms (30%) │ 93ms (34%) │ 0ms (0.00%) │
  1138. 26.76 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1139. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.006] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  1140. 26.76 s gammaloop-nextest-python-api> The application panicked (crashed).
  1141. 26.76 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1142. 26.76 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1143. 26.76 s gammaloop-nextest-python-api>
  1144. 26.76 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1145. 26.76 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1146. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1147. 26.76 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1148. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1149. 26.76 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1150. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1151. 26.76 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1152. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1153. 26.76 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1154. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1155. 26.76 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1156. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1157. 26.76 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1158. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1159. 26.76 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1160. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1161. 26.76 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>
  1162. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1163. 26.76 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>
  1164. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1165. 26.76 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1166. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1167. 26.76 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1168. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1169. 26.76 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1170. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1171. 26.76 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1172. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1173. 26.76 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1174. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1175. 26.76 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1176. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1177. 26.76 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1178. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1179. 26.76 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1180. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1181. 26.76 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1182. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1183. 26.76 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1184. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1185. 26.76 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  1186. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1187. 26.76 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  1188. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1189. 26.76 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  1190. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1191. 26.76 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  1192. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1193. 26.76 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  1194. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1195. 26.76 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  1196. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1197. 26.76 s gammaloop-nextest-python-api> 27: _start<unknown>
  1198. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1199. 26.76 s gammaloop-nextest-python-api>
  1200. 26.76 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1201. 26.76 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1202. 26.76 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1203. 26.76 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  1204. 26.76 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  1205. 26.76 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1206. 26.76 s gammaloop-nextest-python-api>
  1207. 26.76 s gammaloop-nextest-python-api>
  1208. 26.76 s gammaloop-nextest-python-api> Location:
  1209. 26.76 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1210. 26.76 s gammaloop-nextest-python-api> system-out
  1211. 26.76 s gammaloop-nextest-python-api> running 1 test
  1212. 26.76 s gammaloop-nextest-python-api> test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  1213. 26.76 s gammaloop-nextest-python-api>
  1214. 26.76 s gammaloop-nextest-python-api> failures:
  1215. 26.76 s gammaloop-nextest-python-api>
  1216. 26.76 s gammaloop-nextest-python-api> failures:
  1217. 26.76 s gammaloop-nextest-python-api> python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1218. 26.76 s gammaloop-nextest-python-api>
  1219. 26.76 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  1220. 26.76 s gammaloop-nextest-python-api> system-err
  1221. 26.76 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1222. 26.76 s gammaloop-nextest-python-api> stdout:
  1223. 26.76 s gammaloop-nextest-python-api>
  1224. 26.76 s gammaloop-nextest-python-api> stderr:
  1225. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  1226. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  1227. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1228. 26.76 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1229. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1230. 26.76 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-)
  1231. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1232. 26.76 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
  1233. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.591] @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]}}'
  1234. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.591] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1235. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.592] @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
  1236. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1237. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1238. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1239. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1240. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1241. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1242. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1243. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1244. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1245. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1246. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.701] @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)
  1247. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.702] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1248. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.702] @commands::generate INFO : Generated cross-section 2 graphs.
  1249. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.702] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1250. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.703] @gammaloop_api::se... INFO : Running command generate
  1251. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.005] @commands::generate INFO :
  1252. 26.76 s gammaloop-nextest-python-api> Integrand generation summary
  1253. 26.76 s gammaloop-nextest-python-api> peak RAM 97.41 MiB | cores 1
  1254. 26.76 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1255. 26.76 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1256. 26.76 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1257. 26.76 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 38ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  1258. 26.76 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 61ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  1259. 26.76 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1260. 26.76 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 96ms (35%) │ 83ms (30%) │ 93ms (34%) │ 0ms (0.00%) │
  1261. 26.76 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1262. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.006] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  1263. 26.76 s gammaloop-nextest-python-api> The application panicked (crashed).
  1264. 26.76 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1265. 26.76 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1266. 26.76 s gammaloop-nextest-python-api>
  1267. 26.76 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1268. 26.76 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1269. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1270. 26.76 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1271. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1272. 26.76 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1273. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1274. 26.76 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1275. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1276. 26.76 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1277. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1278. 26.76 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1279. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1280. 26.76 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1281. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1282. 26.76 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1283. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1284. 26.76 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>
  1285. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1286. 26.76 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>
  1287. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1288. 26.76 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1289. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1290. 26.76 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1291. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1292. 26.76 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1293. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1294. 26.76 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1295. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1296. 26.76 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1297. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1298. 26.76 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1299. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1300. 26.76 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1301. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1302. 26.76 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1303. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1304. 26.76 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1305. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1306. 26.76 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1307. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1308. 26.76 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  1309. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1310. 26.76 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  1311. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1312. 26.76 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  1313. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1314. 26.76 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  1315. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1316. 26.76 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  1317. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1318. 26.76 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  1319. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1320. 26.76 s gammaloop-nextest-python-api> 27: _start<unknown>
  1321. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1322. 26.76 s gammaloop-nextest-python-api>
  1323. 26.76 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1324. 26.76 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1325. 26.76 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1326. 26.76 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  1327. 26.76 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  1328. 26.76 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1329. 26.76 s gammaloop-nextest-python-api>
  1330. 26.76 s gammaloop-nextest-python-api>
  1331. 26.76 s gammaloop-nextest-python-api> Location:
  1332. 26.76 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1333. 26.76 s gammaloop-nextest-python-api>
  1334. 26.76 s gammaloop-nextest-python-api> 3. gammaloop-integration-tests::test_python_api::python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1335. 26.76 s gammaloop-nextest-python-api> failure: test failure with exit code 101
  1336. 26.76 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1337. 26.76 s gammaloop-nextest-python-api> stdout:
  1338. 26.76 s gammaloop-nextest-python-api>
  1339. 26.76 s gammaloop-nextest-python-api> stderr:
  1340. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  1341. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  1342. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1343. 26.76 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1344. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1345. 26.76 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  1346. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1347. 26.76 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  1348. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.591] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  1349. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.592] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1350. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.593] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  1351. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1352. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1353. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1354. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1355. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1356. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1357. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1358. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1359. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1360. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.600] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1361. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  1362. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1363. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @commands::generate INFO : Generated cross-section 2 graphs.
  1364. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1365. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.701] @gammaloop_api::se... INFO : Running command generate
  1366. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.004] @commands::generate INFO :
  1367. 26.76 s gammaloop-nextest-python-api> Integrand generation summary
  1368. 26.76 s gammaloop-nextest-python-api> peak RAM 96.15 MiB | cores 1
  1369. 26.76 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1370. 26.76 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1371. 26.76 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1372. 26.76 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 37ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  1373. 26.76 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  1374. 26.76 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1375. 26.76 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  1376. 26.76 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1377. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.005] @gammaloop_api::se... INFO : Running command set process string '
  1378. 26.76 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  1379. 26.76 s gammaloop-nextest-python-api> type = "jet"
  1380. 26.76 s gammaloop-nextest-python-api> quantity = "PT"
  1381. 26.76 s gammaloop-nextest-python-api> dR = 0.4
  1382. 26.76 s gammaloop-nextest-python-api> [...]
  1383. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.006] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  1384. 26.76 s gammaloop-nextest-python-api> The application panicked (crashed).
  1385. 26.76 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1386. 26.76 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1387. 26.76 s gammaloop-nextest-python-api>
  1388. 26.76 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1389. 26.76 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1390. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1391. 26.76 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1392. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1393. 26.76 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1394. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1395. 26.76 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1396. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1397. 26.76 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1398. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1399. 26.76 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1400. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1401. 26.76 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1402. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1403. 26.76 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1404. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1405. 26.76 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>
  1406. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1407. 26.76 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>
  1408. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1409. 26.76 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1410. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1411. 26.76 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1412. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1413. 26.76 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1414. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1415. 26.76 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1416. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1417. 26.76 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  1418. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1419. 26.76 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  1420. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1421. 26.76 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1422. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1423. 26.76 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1424. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1425. 26.76 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1426. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1427. 26.76 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1428. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1429. 26.76 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  1430. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1431. 26.76 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  1432. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1433. 26.76 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  1434. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1435. 26.76 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  1436. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1437. 26.76 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  1438. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1439. 26.76 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  1440. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1441. 26.76 s gammaloop-nextest-python-api> 27: _start<unknown>
  1442. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1443. 26.76 s gammaloop-nextest-python-api>
  1444. 26.76 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1445. 26.76 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1446. 26.76 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1447. 26.76 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  1448. 26.76 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  1449. 26.76 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  1450. 26.76 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1451. 26.76 s gammaloop-nextest-python-api>
  1452. 26.76 s gammaloop-nextest-python-api>
  1453. 26.76 s gammaloop-nextest-python-api> Location:
  1454. 26.76 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1455. 26.76 s gammaloop-nextest-python-api> system-out
  1456. 26.76 s gammaloop-nextest-python-api> running 1 test
  1457. 26.76 s gammaloop-nextest-python-api> test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  1458. 26.76 s gammaloop-nextest-python-api>
  1459. 26.76 s gammaloop-nextest-python-api> failures:
  1460. 26.76 s gammaloop-nextest-python-api>
  1461. 26.76 s gammaloop-nextest-python-api> failures:
  1462. 26.76 s gammaloop-nextest-python-api> python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1463. 26.76 s gammaloop-nextest-python-api>
  1464. 26.76 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.70s
  1465. 26.76 s gammaloop-nextest-python-api> system-err
  1466. 26.76 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1467. 26.76 s gammaloop-nextest-python-api> stdout:
  1468. 26.76 s gammaloop-nextest-python-api>
  1469. 26.76 s gammaloop-nextest-python-api> stderr:
  1470. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  1471. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  1472. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1473. 26.76 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1474. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1475. 26.76 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-)
  1476. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1477. 26.76 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
  1478. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.591] @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]}}'
  1479. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.592] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1480. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.593] @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
  1481. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1482. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1483. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1484. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1485. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1486. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1487. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1488. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1489. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1490. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.600] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1491. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @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)
  1492. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1493. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @commands::generate INFO : Generated cross-section 2 graphs.
  1494. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.700] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1495. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:20.701] @gammaloop_api::se... INFO : Running command generate
  1496. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.004] @commands::generate INFO :
  1497. 26.76 s gammaloop-nextest-python-api> Integrand generation summary
  1498. 26.76 s gammaloop-nextest-python-api> peak RAM 96.15 MiB | cores 1
  1499. 26.76 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1500. 26.76 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1501. 26.76 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1502. 26.76 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 37ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  1503. 26.76 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  1504. 26.76 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1505. 26.76 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  1506. 26.76 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1507. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.005] @gammaloop_api::se... INFO : Running command set process string '
  1508. 26.76 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  1509. 26.76 s gammaloop-nextest-python-api> type = "jet"
  1510. 26.76 s gammaloop-nextest-python-api> quantity = "PT"
  1511. 26.76 s gammaloop-nextest-python-api> dR = 0.4
  1512. 26.76 s gammaloop-nextest-python-api> [...]
  1513. 26.76 s gammaloop-nextest-python-api> [2026-09-14 04:23:21.006] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  1514. 26.76 s gammaloop-nextest-python-api> The application panicked (crashed).
  1515. 26.76 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1516. 26.76 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1517. 26.76 s gammaloop-nextest-python-api>
  1518. 26.76 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1519. 26.76 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1520. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1521. 26.76 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1522. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1523. 26.76 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1524. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1525. 26.76 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1526. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1527. 26.76 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1528. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1529. 26.76 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1530. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1531. 26.76 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1532. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1533. 26.76 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1534. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1535. 26.76 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>
  1536. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1537. 26.76 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>
  1538. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1539. 26.76 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1540. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1541. 26.76 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1542. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1543. 26.76 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1544. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1545. 26.76 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1546. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1547. 26.76 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  1548. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1549. 26.76 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  1550. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1551. 26.76 s gammaloop-nextest-python-api> 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1552. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1553. 26.76 s gammaloop-nextest-python-api> 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1554. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1555. 26.76 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1556. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1557. 26.76 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1558. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1559. 26.76 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  1560. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1561. 26.76 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  1562. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1563. 26.76 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  1564. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1565. 26.76 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  1566. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1567. 26.76 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  1568. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1569. 26.76 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  1570. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1571. 26.76 s gammaloop-nextest-python-api> 27: _start<unknown>
  1572. 26.76 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1573. 26.76 s gammaloop-nextest-python-api>
  1574. 26.76 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1575. 26.76 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1576. 26.76 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1577. 26.76 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  1578. 26.76 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  1579. 26.76 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  1580. 26.76 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1581. 26.76 s gammaloop-nextest-python-api>
  1582. 26.76 s gammaloop-nextest-python-api>
  1583. 26.76 s gammaloop-nextest-python-api> Location:
  1584. 26.76 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1585. 26.76 s gammaloop-nextest-python-api> =========================================
  1586. 26.81 s [0 built (1 failed), 0.0error: Cannot build '/nix/store/66j1x39543kg5dqis2p8an918rhhgklr-gammaloop-nextest-python-api.drv'.
  1587. 26.81 s Reason: builder failed with exit code 100.
  1588. 26.81 s Output paths:
  1589. 26.81 s /nix/store/s33y7x5hwksga696cp2gw27rj28q8ak2-gammaloop-nextest-python-api
  1590. 26.81 s Last 1545 log lines:
  1591. 26.81 s > Extracting 1 binary, 1 build script output directory, and 3 linked paths to /build/nextest-archive-B8KrES
  1592. 26.81 s > Extracted 18 files to /build/nextest-archive-B8KrES in 0.06s
  1593. 26.81 s > ------------
  1594. 26.81 s > Nextest run ID 3c13e52b-b4d4-46d3-b74d-820221bc5255 with nextest profile: ci_gammaloop
  1595. 26.81 s > Starting 5 tests across 1 binary
  1596. 26.81 s > FAIL [ 0.602s] (2/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  1597. 26.81 s > stdout ---
  1598. 26.81 s >
  1599. 26.81 s > running 1 test
  1600. 26.81 s > test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  1601. 26.81 s >
  1602. 26.81 s > failures:
  1603. 26.81 s >
  1604. 26.81 s > failures:
  1605. 26.81 s > python_evaluate_sample_honors_generate_events_and_observable_snapshots
  1606. 26.81 s >
  1607. 26.81 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  1608. 26.81 s >
  1609. 26.81 s > stderr ---
  1610. 26.81 s > Error: Python API test subprocess failed.
  1611. 26.81 s > stdout:
  1612. 26.81 s >
  1613. 26.81 s > stderr:
  1614. 26.81 s > [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  1615. 26.81 s > [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  1616. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1617. 26.81 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1618. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1619. 26.81 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  1620. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1621. 26.81 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  1622. 26.81 s > [2026-09-14 04:23:20.591] @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]}}'
  1623. 26.81 s > [2026-09-14 04:23:20.591] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1624. 26.81 s > [2026-09-14 04:23:20.592] @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
  1625. 26.81 s > [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1626. 26.81 s > [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1627. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1628. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1629. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1630. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1631. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1632. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1633. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1634. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1635. 26.81 s > [2026-09-14 04:23:20.700] @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)
  1636. 26.81 s > [2026-09-14 04:23:20.700] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1637. 26.81 s > [2026-09-14 04:23:20.700] @commands::generate INFO : Generated cross-section 2 graphs.
  1638. 26.81 s > [2026-09-14 04:23:20.700] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1639. 26.81 s > [2026-09-14 04:23:20.701] @gammaloop_api::se... INFO : Running command generate
  1640. 26.81 s > [2026-09-14 04:23:21.004] @commands::generate INFO :
  1641. 26.81 s > Integrand generation summary
  1642. 26.81 s > peak RAM 95.89 MiB | cores 1
  1643. 26.81 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1644. 26.81 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1645. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1646. 26.81 s > │ default │ GL0 │ 3 │ 39ms (47%) │ 21ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  1647. 26.81 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 59ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  1648. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1649. 26.81 s > │ Total │ │ 8 │ 96ms (36%) │ 80ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  1650. 26.81 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1651. 26.81 s > [2026-09-14 04:23:21.004] @gammaloop_api::se... INFO : Running command set process string '
  1652. 26.81 s > [quantities.leading_jet_pt]
  1653. 26.81 s > type = "jet"
  1654. 26.81 s > quantity = "PT"
  1655. 26.81 s > dR = 0.4
  1656. 26.81 s > [...]
  1657. 26.81 s > [2026-09-14 04:23:21.005] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  1658. 26.81 s > The application panicked (crashed).
  1659. 26.81 s > Message: index out of bounds: the len is 0 but the index is 0
  1660. 26.81 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1661. 26.81 s >
  1662. 26.81 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1663. 26.81 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1664. 26.81 s > at <unknown source file>:<unknown line>
  1665. 26.81 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1666. 26.81 s > at <unknown source file>:<unknown line>
  1667. 26.81 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1668. 26.81 s > at <unknown source file>:<unknown line>
  1669. 26.81 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1670. 26.81 s > at <unknown source file>:<unknown line>
  1671. 26.81 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1672. 26.81 s > at <unknown source file>:<unknown line>
  1673. 26.81 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1674. 26.81 s > at <unknown source file>:<unknown line>
  1675. 26.81 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1676. 26.81 s > at <unknown source file>:<unknown line>
  1677. 26.81 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1678. 26.81 s > at <unknown source file>:<unknown line>
  1679. 26.81 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  1680. 26.81 s > at <unknown source file>:<unknown line>
  1681. 26.81 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  1682. 26.81 s > at <unknown source file>:<unknown line>
  1683. 26.81 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1684. 26.81 s > at <unknown source file>:<unknown line>
  1685. 26.81 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1686. 26.81 s > at <unknown source file>:<unknown line>
  1687. 26.81 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1688. 26.81 s > at <unknown source file>:<unknown line>
  1689. 26.81 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1690. 26.81 s > at <unknown source file>:<unknown line>
  1691. 26.81 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1692. 26.81 s > at <unknown source file>:<unknown line>
  1693. 26.81 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1694. 26.81 s > at <unknown source file>:<unknown line>
  1695. 26.81 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1696. 26.81 s > at <unknown source file>:<unknown line>
  1697. 26.81 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1698. 26.81 s > at <unknown source file>:<unknown line>
  1699. 26.81 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1700. 26.81 s > at <unknown source file>:<unknown line>
  1701. 26.81 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1702. 26.81 s > at <unknown source file>:<unknown line>
  1703. 26.81 s > 21: PyEval_EvalCode.localalias<unknown>
  1704. 26.81 s > at <unknown source file>:<unknown line>
  1705. 26.81 s > 22: run_eval_code_obj<unknown>
  1706. 26.81 s > at <unknown source file>:<unknown line>
  1707. 26.81 s > 23: run_mod<unknown>
  1708. 26.81 s > at <unknown source file>:<unknown line>
  1709. 26.81 s > 24: Py_RunMain.localalias<unknown>
  1710. 26.81 s > at <unknown source file>:<unknown line>
  1711. 26.81 s > 25: __libc_start_call_main<unknown>
  1712. 26.81 s > at <unknown source file>:<unknown line>
  1713. 26.81 s > 26: __libc_start_main_alias_2<unknown>
  1714. 26.81 s > at <unknown source file>:<unknown line>
  1715. 26.81 s > 27: _start<unknown>
  1716. 26.81 s > at <unknown source file>:<unknown line>
  1717. 26.81 s >
  1718. 26.81 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1719. 26.81 s > Run with RUST_BACKTRACE=full to include source snippets.
  1720. 26.81 s > Traceback (most recent call last):
  1721. 26.81 s > File "<string>", line 78, in <module>
  1722. 26.81 s > without_events = summarize_result(api.evaluate_sample(point))
  1723. 26.81 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  1724. 26.81 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1725. 26.81 s >
  1726. 26.81 s >
  1727. 26.81 s > Location:
  1728. 26.81 s > tests/tests/test_python_api.rs:156:20
  1729. 26.81 s >
  1730. 26.81 s > FAIL [ 0.602s] (3/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1731. 26.81 s > stdout ---
  1732. 26.81 s >
  1733. 26.81 s > running 1 test
  1734. 26.81 s > test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  1735. 26.81 s >
  1736. 26.81 s > failures:
  1737. 26.81 s >
  1738. 26.81 s > failures:
  1739. 26.81 s > python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1740. 26.81 s >
  1741. 26.81 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  1742. 26.81 s >
  1743. 26.81 s > stderr ---
  1744. 26.81 s > Error: Python API test subprocess failed.
  1745. 26.81 s > stdout:
  1746. 26.81 s >
  1747. 26.81 s > stderr:
  1748. 26.81 s > [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  1749. 26.81 s > [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  1750. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1751. 26.81 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1752. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1753. 26.81 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  1754. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1755. 26.81 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  1756. 26.81 s > [2026-09-14 04:23:20.591] @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]}}'
  1757. 26.81 s > [2026-09-14 04:23:20.591] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1758. 26.81 s > [2026-09-14 04:23:20.592] @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
  1759. 26.81 s > [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1760. 26.81 s > [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1761. 26.81 s > [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1762. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1763. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1764. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1765. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1766. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1767. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1768. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1769. 26.81 s > [2026-09-14 04:23:20.701] @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)
  1770. 26.81 s > [2026-09-14 04:23:20.702] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1771. 26.81 s > [2026-09-14 04:23:20.702] @commands::generate INFO : Generated cross-section 2 graphs.
  1772. 26.81 s > [2026-09-14 04:23:20.702] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1773. 26.81 s > [2026-09-14 04:23:20.703] @gammaloop_api::se... INFO : Running command generate
  1774. 26.81 s > [2026-09-14 04:23:21.005] @commands::generate INFO :
  1775. 26.81 s > Integrand generation summary
  1776. 26.81 s > peak RAM 97.41 MiB | cores 1
  1777. 26.81 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1778. 26.81 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1779. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1780. 26.81 s > │ default │ GL0 │ 3 │ 38ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  1781. 26.81 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 61ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  1782. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1783. 26.81 s > │ Total │ │ 8 │ 96ms (35%) │ 83ms (30%) │ 93ms (34%) │ 0ms (0.00%) │
  1784. 26.81 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1785. 26.81 s > [2026-09-14 04:23:21.006] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  1786. 26.81 s > The application panicked (crashed).
  1787. 26.81 s > Message: index out of bounds: the len is 0 but the index is 0
  1788. 26.81 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1789. 26.81 s >
  1790. 26.81 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1791. 26.81 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1792. 26.81 s > at <unknown source file>:<unknown line>
  1793. 26.81 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1794. 26.81 s > at <unknown source file>:<unknown line>
  1795. 26.81 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1796. 26.81 s > at <unknown source file>:<unknown line>
  1797. 26.81 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1798. 26.81 s > at <unknown source file>:<unknown line>
  1799. 26.81 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1800. 26.81 s > at <unknown source file>:<unknown line>
  1801. 26.81 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1802. 26.81 s > at <unknown source file>:<unknown line>
  1803. 26.81 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1804. 26.81 s > at <unknown source file>:<unknown line>
  1805. 26.81 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1806. 26.81 s > at <unknown source file>:<unknown line>
  1807. 26.81 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  1808. 26.81 s > at <unknown source file>:<unknown line>
  1809. 26.81 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  1810. 26.81 s > at <unknown source file>:<unknown line>
  1811. 26.81 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1812. 26.81 s > at <unknown source file>:<unknown line>
  1813. 26.81 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1814. 26.81 s > at <unknown source file>:<unknown line>
  1815. 26.81 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1816. 26.81 s > at <unknown source file>:<unknown line>
  1817. 26.81 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1818. 26.81 s > at <unknown source file>:<unknown line>
  1819. 26.81 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1820. 26.81 s > at <unknown source file>:<unknown line>
  1821. 26.81 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1822. 26.81 s > at <unknown source file>:<unknown line>
  1823. 26.81 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1824. 26.81 s > at <unknown source file>:<unknown line>
  1825. 26.81 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1826. 26.81 s > at <unknown source file>:<unknown line>
  1827. 26.81 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1828. 26.81 s > at <unknown source file>:<unknown line>
  1829. 26.81 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1830. 26.81 s > at <unknown source file>:<unknown line>
  1831. 26.81 s > 21: PyEval_EvalCode.localalias<unknown>
  1832. 26.81 s > at <unknown source file>:<unknown line>
  1833. 26.81 s > 22: run_eval_code_obj<unknown>
  1834. 26.81 s > at <unknown source file>:<unknown line>
  1835. 26.81 s > 23: run_mod<unknown>
  1836. 26.81 s > at <unknown source file>:<unknown line>
  1837. 26.81 s > 24: Py_RunMain.localalias<unknown>
  1838. 26.81 s > at <unknown source file>:<unknown line>
  1839. 26.81 s > 25: __libc_start_call_main<unknown>
  1840. 26.81 s > at <unknown source file>:<unknown line>
  1841. 26.81 s > 26: __libc_start_main_alias_2<unknown>
  1842. 26.81 s > at <unknown source file>:<unknown line>
  1843. 26.81 s > 27: _start<unknown>
  1844. 26.81 s > at <unknown source file>:<unknown line>
  1845. 26.81 s >
  1846. 26.81 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1847. 26.81 s > Run with RUST_BACKTRACE=full to include source snippets.
  1848. 26.81 s > Traceback (most recent call last):
  1849. 26.81 s > File "<string>", line 78, in <module>
  1850. 26.81 s > result = api.evaluate_sample(point)
  1851. 26.81 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1852. 26.81 s >
  1853. 26.81 s >
  1854. 26.81 s > Location:
  1855. 26.81 s > tests/tests/test_python_api.rs:156:20
  1856. 26.81 s >
  1857. 26.81 s > FAIL [ 0.704s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1858. 26.81 s > stdout ---
  1859. 26.81 s >
  1860. 26.81 s > running 1 test
  1861. 26.81 s > test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  1862. 26.81 s >
  1863. 26.81 s > failures:
  1864. 26.81 s >
  1865. 26.81 s > failures:
  1866. 26.81 s > python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1867. 26.81 s >
  1868. 26.81 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.70s
  1869. 26.81 s >
  1870. 26.81 s > stderr ---
  1871. 26.81 s > Error: Python API test subprocess failed.
  1872. 26.81 s > stdout:
  1873. 26.81 s >
  1874. 26.81 s > stderr:
  1875. 26.81 s > [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  1876. 26.81 s > [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  1877. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1878. 26.81 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1879. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1880. 26.81 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  1881. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1882. 26.81 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  1883. 26.81 s > [2026-09-14 04:23:20.591] @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]}}'
  1884. 26.81 s > [2026-09-14 04:23:20.592] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1885. 26.81 s > [2026-09-14 04:23:20.593] @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
  1886. 26.81 s > [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1887. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1888. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1889. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1890. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1891. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1892. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1893. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1894. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1895. 26.81 s > [2026-09-14 04:23:20.600] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1896. 26.81 s > [2026-09-14 04:23:20.700] @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)
  1897. 26.81 s > [2026-09-14 04:23:20.700] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1898. 26.81 s > [2026-09-14 04:23:20.700] @commands::generate INFO : Generated cross-section 2 graphs.
  1899. 26.81 s > [2026-09-14 04:23:20.700] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1900. 26.81 s > [2026-09-14 04:23:20.701] @gammaloop_api::se... INFO : Running command generate
  1901. 26.81 s > [2026-09-14 04:23:21.004] @commands::generate INFO :
  1902. 26.81 s > Integrand generation summary
  1903. 26.81 s > peak RAM 96.15 MiB | cores 1
  1904. 26.81 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1905. 26.81 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1906. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1907. 26.81 s > │ default │ GL0 │ 3 │ 37ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  1908. 26.81 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  1909. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1910. 26.81 s > │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  1911. 26.81 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1912. 26.81 s > [2026-09-14 04:23:21.005] @gammaloop_api::se... INFO : Running command set process string '
  1913. 26.81 s > [quantities.leading_jet_pt]
  1914. 26.81 s > type = "jet"
  1915. 26.81 s > quantity = "PT"
  1916. 26.81 s > dR = 0.4
  1917. 26.81 s > [...]
  1918. 26.81 s > [2026-09-14 04:23:21.006] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  1919. 26.81 s > The application panicked (crashed).
  1920. 26.81 s > Message: index out of bounds: the len is 0 but the index is 0
  1921. 26.81 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1922. 26.81 s >
  1923. 26.81 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1924. 26.81 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1925. 26.81 s > at <unknown source file>:<unknown line>
  1926. 26.81 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1927. 26.81 s > at <unknown source file>:<unknown line>
  1928. 26.81 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1929. 26.81 s > at <unknown source file>:<unknown line>
  1930. 26.81 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1931. 26.81 s > at <unknown source file>:<unknown line>
  1932. 26.81 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1933. 26.81 s > at <unknown source file>:<unknown line>
  1934. 26.81 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1935. 26.81 s > at <unknown source file>:<unknown line>
  1936. 26.81 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1937. 26.81 s > at <unknown source file>:<unknown line>
  1938. 26.81 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1939. 26.81 s > at <unknown source file>:<unknown line>
  1940. 26.81 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  1941. 26.81 s > at <unknown source file>:<unknown line>
  1942. 26.81 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  1943. 26.81 s > at <unknown source file>:<unknown line>
  1944. 26.81 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1945. 26.81 s > at <unknown source file>:<unknown line>
  1946. 26.81 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1947. 26.81 s > at <unknown source file>:<unknown line>
  1948. 26.81 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1949. 26.81 s > at <unknown source file>:<unknown line>
  1950. 26.81 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1951. 26.81 s > at <unknown source file>:<unknown line>
  1952. 26.81 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  1953. 26.81 s > at <unknown source file>:<unknown line>
  1954. 26.81 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  1955. 26.81 s > at <unknown source file>:<unknown line>
  1956. 26.81 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1957. 26.81 s > at <unknown source file>:<unknown line>
  1958. 26.81 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  1959. 26.81 s > at <unknown source file>:<unknown line>
  1960. 26.81 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1961. 26.81 s > at <unknown source file>:<unknown line>
  1962. 26.81 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1963. 26.81 s > at <unknown source file>:<unknown line>
  1964. 26.81 s > 21: PyEval_EvalCode.localalias<unknown>
  1965. 26.81 s > at <unknown source file>:<unknown line>
  1966. 26.81 s > 22: run_eval_code_obj<unknown>
  1967. 26.81 s > at <unknown source file>:<unknown line>
  1968. 26.81 s > 23: run_mod<unknown>
  1969. 26.81 s > at <unknown source file>:<unknown line>
  1970. 26.81 s > 24: Py_RunMain.localalias<unknown>
  1971. 26.81 s > at <unknown source file>:<unknown line>
  1972. 26.81 s > 25: __libc_start_call_main<unknown>
  1973. 26.81 s > at <unknown source file>:<unknown line>
  1974. 26.81 s > 26: __libc_start_main_alias_2<unknown>
  1975. 26.81 s > at <unknown source file>:<unknown line>
  1976. 26.81 s > 27: _start<unknown>
  1977. 26.81 s > at <unknown source file>:<unknown line>
  1978. 26.81 s >
  1979. 26.81 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1980. 26.81 s > Run with RUST_BACKTRACE=full to include source snippets.
  1981. 26.81 s > Traceback (most recent call last):
  1982. 26.81 s > File "<string>", line 85, in <module>
  1983. 26.81 s > batch = summarize_batch_result(api.evaluate_samples(points))
  1984. 26.81 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  1985. 26.81 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1986. 26.81 s >
  1987. 26.81 s >
  1988. 26.81 s > Location:
  1989. 26.81 s > tests/tests/test_python_api.rs:156:20
  1990. 26.81 s >
  1991. 26.81 s > ------------
  1992. 26.81 s > Summary [ 0.706s] 5 tests run: 2 passed, 3 failed, 0 skipped
  1993. 26.81 s > FAIL [ 0.602s] (2/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  1994. 26.81 s > stdout ---
  1995. 26.81 s >
  1996. 26.81 s > running 1 test
  1997. 26.81 s > test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  1998. 26.81 s >
  1999. 26.81 s > failures:
  2000. 26.81 s >
  2001. 26.81 s > failures:
  2002. 26.81 s > python_evaluate_sample_honors_generate_events_and_observable_snapshots
  2003. 26.81 s >
  2004. 26.81 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  2005. 26.81 s >
  2006. 26.81 s > stderr ---
  2007. 26.81 s > Error: Python API test subprocess failed.
  2008. 26.81 s > stdout:
  2009. 26.81 s >
  2010. 26.81 s > stderr:
  2011. 26.81 s > [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  2012. 26.81 s > [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  2013. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2014. 26.81 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2015. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2016. 26.81 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  2017. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2018. 26.81 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  2019. 26.81 s > [2026-09-14 04:23:20.591] @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]}}'
  2020. 26.81 s > [2026-09-14 04:23:20.591] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2021. 26.81 s > [2026-09-14 04:23:20.592] @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
  2022. 26.81 s > [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2023. 26.81 s > [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2024. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2025. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2026. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2027. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2028. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2029. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2030. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2031. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2032. 26.81 s > [2026-09-14 04:23:20.700] @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)
  2033. 26.81 s > [2026-09-14 04:23:20.700] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2034. 26.81 s > [2026-09-14 04:23:20.700] @commands::generate INFO : Generated cross-section 2 graphs.
  2035. 26.81 s > [2026-09-14 04:23:20.700] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2036. 26.81 s > [2026-09-14 04:23:20.701] @gammaloop_api::se... INFO : Running command generate
  2037. 26.81 s > [2026-09-14 04:23:21.004] @commands::generate INFO :
  2038. 26.81 s > Integrand generation summary
  2039. 26.81 s > peak RAM 95.89 MiB | cores 1
  2040. 26.81 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2041. 26.81 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2042. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2043. 26.81 s > │ default │ GL0 │ 3 │ 39ms (47%) │ 21ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  2044. 26.81 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 59ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  2045. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2046. 26.81 s > │ Total │ │ 8 │ 96ms (36%) │ 80ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  2047. 26.81 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2048. 26.81 s > [2026-09-14 04:23:21.004] @gammaloop_api::se... INFO : Running command set process string '
  2049. 26.81 s > [quantities.leading_jet_pt]
  2050. 26.81 s > type = "jet"
  2051. 26.81 s > quantity = "PT"
  2052. 26.81 s > dR = 0.4
  2053. 26.81 s > [...]
  2054. 26.81 s > [2026-09-14 04:23:21.005] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  2055. 26.81 s > The application panicked (crashed).
  2056. 26.81 s > Message: index out of bounds: the len is 0 but the index is 0
  2057. 26.81 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2058. 26.81 s >
  2059. 26.81 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2060. 26.81 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2061. 26.81 s > at <unknown source file>:<unknown line>
  2062. 26.81 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2063. 26.81 s > at <unknown source file>:<unknown line>
  2064. 26.81 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2065. 26.81 s > at <unknown source file>:<unknown line>
  2066. 26.81 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2067. 26.81 s > at <unknown source file>:<unknown line>
  2068. 26.81 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2069. 26.81 s > at <unknown source file>:<unknown line>
  2070. 26.81 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2071. 26.81 s > at <unknown source file>:<unknown line>
  2072. 26.81 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2073. 26.81 s > at <unknown source file>:<unknown line>
  2074. 26.81 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2075. 26.81 s > at <unknown source file>:<unknown line>
  2076. 26.81 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  2077. 26.81 s > at <unknown source file>:<unknown line>
  2078. 26.81 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  2079. 26.81 s > at <unknown source file>:<unknown line>
  2080. 26.81 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2081. 26.81 s > at <unknown source file>:<unknown line>
  2082. 26.81 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2083. 26.81 s > at <unknown source file>:<unknown line>
  2084. 26.81 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2085. 26.81 s > at <unknown source file>:<unknown line>
  2086. 26.81 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2087. 26.81 s > at <unknown source file>:<unknown line>
  2088. 26.81 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2089. 26.81 s > at <unknown source file>:<unknown line>
  2090. 26.81 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2091. 26.81 s > at <unknown source file>:<unknown line>
  2092. 26.81 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2093. 26.81 s > at <unknown source file>:<unknown line>
  2094. 26.81 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2095. 26.81 s > at <unknown source file>:<unknown line>
  2096. 26.81 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2097. 26.81 s > at <unknown source file>:<unknown line>
  2098. 26.81 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2099. 26.81 s > at <unknown source file>:<unknown line>
  2100. 26.81 s > 21: PyEval_EvalCode.localalias<unknown>
  2101. 26.81 s > at <unknown source file>:<unknown line>
  2102. 26.81 s > 22: run_eval_code_obj<unknown>
  2103. 26.81 s > at <unknown source file>:<unknown line>
  2104. 26.81 s > 23: run_mod<unknown>
  2105. 26.81 s > at <unknown source file>:<unknown line>
  2106. 26.81 s > 24: Py_RunMain.localalias<unknown>
  2107. 26.81 s > at <unknown source file>:<unknown line>
  2108. 26.81 s > 25: __libc_start_call_main<unknown>
  2109. 26.81 s > at <unknown source file>:<unknown line>
  2110. 26.81 s > 26: __libc_start_main_alias_2<unknown>
  2111. 26.81 s > at <unknown source file>:<unknown line>
  2112. 26.81 s > 27: _start<unknown>
  2113. 26.81 s > at <unknown source file>:<unknown line>
  2114. 26.81 s >
  2115. 26.81 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2116. 26.81 s > Run with RUST_BACKTRACE=full to include source snippets.
  2117. 26.81 s > Traceback (most recent call last):
  2118. 26.81 s > File "<string>", line 78, in <module>
  2119. 26.81 s > without_events = summarize_result(api.evaluate_sample(point))
  2120. 26.81 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  2121. 26.81 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2122. 26.81 s >
  2123. 26.81 s >
  2124. 26.81 s > Location:
  2125. 26.81 s > tests/tests/test_python_api.rs:156:20
  2126. 26.81 s >
  2127. 26.81 s > FAIL [ 0.602s] (3/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  2128. 26.81 s > stdout ---
  2129. 26.81 s >
  2130. 26.81 s > running 1 test
  2131. 26.81 s > test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  2132. 26.81 s >
  2133. 26.81 s > failures:
  2134. 26.81 s >
  2135. 26.81 s > failures:
  2136. 26.81 s > python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  2137. 26.81 s >
  2138. 26.81 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  2139. 26.81 s >
  2140. 26.81 s > stderr ---
  2141. 26.81 s > Error: Python API test subprocess failed.
  2142. 26.81 s > stdout:
  2143. 26.81 s >
  2144. 26.81 s > stderr:
  2145. 26.81 s > [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  2146. 26.81 s > [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  2147. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2148. 26.81 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2149. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2150. 26.81 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  2151. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2152. 26.81 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  2153. 26.81 s > [2026-09-14 04:23:20.591] @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]}}'
  2154. 26.81 s > [2026-09-14 04:23:20.591] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2155. 26.81 s > [2026-09-14 04:23:20.592] @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
  2156. 26.81 s > [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2157. 26.81 s > [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2158. 26.81 s > [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2159. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2160. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2161. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2162. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2163. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2164. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2165. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2166. 26.81 s > [2026-09-14 04:23:20.701] @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)
  2167. 26.81 s > [2026-09-14 04:23:20.702] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2168. 26.81 s > [2026-09-14 04:23:20.702] @commands::generate INFO : Generated cross-section 2 graphs.
  2169. 26.81 s > [2026-09-14 04:23:20.702] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2170. 26.81 s > [2026-09-14 04:23:20.703] @gammaloop_api::se... INFO : Running command generate
  2171. 26.81 s > [2026-09-14 04:23:21.005] @commands::generate INFO :
  2172. 26.81 s > Integrand generation summary
  2173. 26.81 s > peak RAM 97.41 MiB | cores 1
  2174. 26.81 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2175. 26.81 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2176. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2177. 26.81 s > │ default │ GL0 │ 3 │ 38ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  2178. 26.81 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 61ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  2179. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2180. 26.81 s > │ Total │ │ 8 │ 96ms (35%) │ 83ms (30%) │ 93ms (34%) │ 0ms (0.00%) │
  2181. 26.81 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2182. 26.81 s > [2026-09-14 04:23:21.006] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  2183. 26.81 s > The application panicked (crashed).
  2184. 26.81 s > Message: index out of bounds: the len is 0 but the index is 0
  2185. 26.81 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2186. 26.81 s >
  2187. 26.81 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2188. 26.81 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2189. 26.81 s > at <unknown source file>:<unknown line>
  2190. 26.81 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2191. 26.81 s > at <unknown source file>:<unknown line>
  2192. 26.81 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2193. 26.81 s > at <unknown source file>:<unknown line>
  2194. 26.81 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2195. 26.81 s > at <unknown source file>:<unknown line>
  2196. 26.81 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2197. 26.81 s > at <unknown source file>:<unknown line>
  2198. 26.81 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2199. 26.81 s > at <unknown source file>:<unknown line>
  2200. 26.81 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2201. 26.81 s > at <unknown source file>:<unknown line>
  2202. 26.81 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2203. 26.81 s > at <unknown source file>:<unknown line>
  2204. 26.81 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  2205. 26.81 s > at <unknown source file>:<unknown line>
  2206. 26.81 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  2207. 26.81 s > at <unknown source file>:<unknown line>
  2208. 26.81 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2209. 26.81 s > at <unknown source file>:<unknown line>
  2210. 26.81 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2211. 26.81 s > at <unknown source file>:<unknown line>
  2212. 26.81 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2213. 26.81 s > at <unknown source file>:<unknown line>
  2214. 26.81 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2215. 26.81 s > at <unknown source file>:<unknown line>
  2216. 26.81 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2217. 26.81 s > at <unknown source file>:<unknown line>
  2218. 26.81 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2219. 26.81 s > at <unknown source file>:<unknown line>
  2220. 26.81 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2221. 26.81 s > at <unknown source file>:<unknown line>
  2222. 26.81 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2223. 26.81 s > at <unknown source file>:<unknown line>
  2224. 26.81 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2225. 26.81 s > at <unknown source file>:<unknown line>
  2226. 26.81 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2227. 26.81 s > at <unknown source file>:<unknown line>
  2228. 26.81 s > 21: PyEval_EvalCode.localalias<unknown>
  2229. 26.81 s > at <unknown source file>:<unknown line>
  2230. 26.81 s > 22: run_eval_code_obj<unknown>
  2231. 26.81 s > at <unknown source file>:<unknown line>
  2232. 26.81 s > 23: run_mod<unknown>
  2233. 26.81 s > at <unknown source file>:<unknown line>
  2234. 26.81 s > 24: Py_RunMain.localalias<unknown>
  2235. 26.81 s > at <unknown source file>:<unknown line>
  2236. 26.81 s > 25: __libc_start_call_main<unknown>
  2237. 26.81 s > at <unknown source file>:<unknown line>
  2238. 26.81 s > 26: __libc_start_main_alias_2<unknown>
  2239. 26.81 s > at <unknown source file>:<unknown line>
  2240. 26.81 s > 27: _start<unknown>
  2241. 26.81 s > at <unknown source file>:<unknown line>
  2242. 26.81 s >
  2243. 26.81 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2244. 26.81 s > Run with RUST_BACKTRACE=full to include source snippets.
  2245. 26.81 s > Traceback (most recent call last):
  2246. 26.81 s > File "<string>", line 78, in <module>
  2247. 26.81 s > result = api.evaluate_sample(point)
  2248. 26.81 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2249. 26.81 s >
  2250. 26.81 s >
  2251. 26.81 s > Location:
  2252. 26.81 s > tests/tests/test_python_api.rs:156:20
  2253. 26.81 s >
  2254. 26.81 s > FAIL [ 0.704s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  2255. 26.81 s > stdout ---
  2256. 26.81 s >
  2257. 26.81 s > running 1 test
  2258. 26.81 s > test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  2259. 26.81 s >
  2260. 26.81 s > failures:
  2261. 26.81 s >
  2262. 26.81 s > failures:
  2263. 26.81 s > python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  2264. 26.81 s >
  2265. 26.81 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.70s
  2266. 26.81 s >
  2267. 26.81 s > stderr ---
  2268. 26.81 s > Error: Python API test subprocess failed.
  2269. 26.81 s > stdout:
  2270. 26.81 s >
  2271. 26.81 s > stderr:
  2272. 26.81 s > [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  2273. 26.81 s > [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  2274. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2275. 26.81 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2276. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2277. 26.81 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  2278. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2279. 26.81 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  2280. 26.81 s > [2026-09-14 04:23:20.591] @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]}}'
  2281. 26.81 s > [2026-09-14 04:23:20.592] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2282. 26.81 s > [2026-09-14 04:23:20.593] @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
  2283. 26.81 s > [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2284. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2285. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2286. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2287. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2288. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2289. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2290. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2291. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2292. 26.81 s > [2026-09-14 04:23:20.600] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2293. 26.81 s > [2026-09-14 04:23:20.700] @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)
  2294. 26.81 s > [2026-09-14 04:23:20.700] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2295. 26.81 s > [2026-09-14 04:23:20.700] @commands::generate INFO : Generated cross-section 2 graphs.
  2296. 26.81 s > [2026-09-14 04:23:20.700] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2297. 26.81 s > [2026-09-14 04:23:20.701] @gammaloop_api::se... INFO : Running command generate
  2298. 26.81 s > [2026-09-14 04:23:21.004] @commands::generate INFO :
  2299. 26.81 s > Integrand generation summary
  2300. 26.81 s > peak RAM 96.15 MiB | cores 1
  2301. 26.81 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2302. 26.81 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2303. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2304. 26.81 s > │ default │ GL0 │ 3 │ 37ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  2305. 26.81 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  2306. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2307. 26.81 s > │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  2308. 26.81 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2309. 26.81 s > [2026-09-14 04:23:21.005] @gammaloop_api::se... INFO : Running command set process string '
  2310. 26.81 s > [quantities.leading_jet_pt]
  2311. 26.81 s > type = "jet"
  2312. 26.81 s > quantity = "PT"
  2313. 26.81 s > dR = 0.4
  2314. 26.81 s > [...]
  2315. 26.81 s > [2026-09-14 04:23:21.006] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  2316. 26.81 s > The application panicked (crashed).
  2317. 26.81 s > Message: index out of bounds: the len is 0 but the index is 0
  2318. 26.81 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2319. 26.81 s >
  2320. 26.81 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2321. 26.81 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2322. 26.81 s > at <unknown source file>:<unknown line>
  2323. 26.81 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2324. 26.81 s > at <unknown source file>:<unknown line>
  2325. 26.81 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2326. 26.81 s > at <unknown source file>:<unknown line>
  2327. 26.81 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2328. 26.81 s > at <unknown source file>:<unknown line>
  2329. 26.81 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2330. 26.81 s > at <unknown source file>:<unknown line>
  2331. 26.81 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2332. 26.81 s > at <unknown source file>:<unknown line>
  2333. 26.81 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2334. 26.81 s > at <unknown source file>:<unknown line>
  2335. 26.81 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2336. 26.81 s > at <unknown source file>:<unknown line>
  2337. 26.81 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  2338. 26.81 s > at <unknown source file>:<unknown line>
  2339. 26.81 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  2340. 26.81 s > at <unknown source file>:<unknown line>
  2341. 26.81 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2342. 26.81 s > at <unknown source file>:<unknown line>
  2343. 26.81 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2344. 26.81 s > at <unknown source file>:<unknown line>
  2345. 26.81 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2346. 26.81 s > at <unknown source file>:<unknown line>
  2347. 26.81 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2348. 26.81 s > at <unknown source file>:<unknown line>
  2349. 26.81 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  2350. 26.81 s > at <unknown source file>:<unknown line>
  2351. 26.81 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  2352. 26.81 s > at <unknown source file>:<unknown line>
  2353. 26.81 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2354. 26.81 s > at <unknown source file>:<unknown line>
  2355. 26.81 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2356. 26.81 s > at <unknown source file>:<unknown line>
  2357. 26.81 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2358. 26.81 s > at <unknown source file>:<unknown line>
  2359. 26.81 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2360. 26.81 s > at <unknown source file>:<unknown line>
  2361. 26.81 s > 21: PyEval_EvalCode.localalias<unknown>
  2362. 26.81 s > at <unknown source file>:<unknown line>
  2363. 26.81 s > 22: run_eval_code_obj<unknown>
  2364. 26.81 s > at <unknown source file>:<unknown line>
  2365. 26.81 s > 23: run_mod<unknown>
  2366. 26.81 s > at <unknown source file>:<unknown line>
  2367. 26.81 s > 24: Py_RunMain.localalias<unknown>
  2368. 26.81 s > at <unknown source file>:<unknown line>
  2369. 26.81 s > 25: __libc_start_call_main<unknown>
  2370. 26.81 s > at <unknown source file>:<unknown line>
  2371. 26.81 s > 26: __libc_start_main_alias_2<unknown>
  2372. 26.81 s > at <unknown source file>:<unknown line>
  2373. 26.81 s > 27: _start<unknown>
  2374. 26.81 s > at <unknown source file>:<unknown line>
  2375. 26.81 s >
  2376. 26.81 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2377. 26.81 s > Run with RUST_BACKTRACE=full to include source snippets.
  2378. 26.81 s > Traceback (most recent call last):
  2379. 26.81 s > File "<string>", line 85, in <module>
  2380. 26.81 s > batch = summarize_batch_result(api.evaluate_samples(points))
  2381. 26.81 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  2382. 26.81 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2383. 26.81 s >
  2384. 26.81 s >
  2385. 26.81 s > Location:
  2386. 26.81 s > tests/tests/test_python_api.rs:156:20
  2387. 26.81 s >
  2388. 26.81 s > error: test run failed
  2389. 26.81 s >
  2390. 26.81 s > ========== nextest test summary ==========
  2391. 26.81 s > report: target/nextest/ci_gammaloop/junit.xml
  2392. 26.81 s > tests: 5, failures: 3, errors: 0
  2393. 26.81 s >
  2394. 26.81 s > 1. gammaloop-integration-tests::test_python_api::python_evaluate_sample_honors_generate_events_and_observable_snapshots
  2395. 26.81 s > failure: test failure with exit code 101
  2396. 26.81 s > Error: Python API test subprocess failed.
  2397. 26.81 s > stdout:
  2398. 26.81 s >
  2399. 26.81 s > stderr:
  2400. 26.81 s > [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  2401. 26.81 s > [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  2402. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2403. 26.81 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2404. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2405. 26.81 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  2406. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2407. 26.81 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  2408. 26.81 s > [2026-09-14 04:23:20.591] @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]}}'
  2409. 26.81 s > [2026-09-14 04:23:20.591] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2410. 26.81 s > [2026-09-14 04:23:20.592] @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
  2411. 26.81 s > [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2412. 26.81 s > [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2413. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2414. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2415. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2416. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2417. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2418. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2419. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2420. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2421. 26.81 s > [2026-09-14 04:23:20.700] @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)
  2422. 26.81 s > [2026-09-14 04:23:20.700] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2423. 26.81 s > [2026-09-14 04:23:20.700] @commands::generate INFO : Generated cross-section 2 graphs.
  2424. 26.81 s > [2026-09-14 04:23:20.700] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2425. 26.81 s > [2026-09-14 04:23:20.701] @gammaloop_api::se... INFO : Running command generate
  2426. 26.81 s > [2026-09-14 04:23:21.004] @commands::generate INFO :
  2427. 26.81 s > Integrand generation summary
  2428. 26.81 s > peak RAM 95.89 MiB | cores 1
  2429. 26.81 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2430. 26.81 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2431. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2432. 26.81 s > │ default │ GL0 │ 3 │ 39ms (47%) │ 21ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  2433. 26.81 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 59ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  2434. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2435. 26.81 s > │ Total │ │ 8 │ 96ms (36%) │ 80ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  2436. 26.81 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2437. 26.81 s > [2026-09-14 04:23:21.004] @gammaloop_api::se... INFO : Running command set process string '
  2438. 26.81 s > [quantities.leading_jet_pt]
  2439. 26.81 s > type = "jet"
  2440. 26.81 s > quantity = "PT"
  2441. 26.81 s > dR = 0.4
  2442. 26.81 s > [...]
  2443. 26.81 s > [2026-09-14 04:23:21.005] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  2444. 26.81 s > The application panicked (crashed).
  2445. 26.81 s > Message: index out of bounds: the len is 0 but the index is 0
  2446. 26.81 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2447. 26.81 s >
  2448. 26.81 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2449. 26.81 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2450. 26.81 s > at <unknown source file>:<unknown line>
  2451. 26.81 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2452. 26.81 s > at <unknown source file>:<unknown line>
  2453. 26.81 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2454. 26.81 s > at <unknown source file>:<unknown line>
  2455. 26.81 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2456. 26.81 s > at <unknown source file>:<unknown line>
  2457. 26.81 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2458. 26.81 s > at <unknown source file>:<unknown line>
  2459. 26.81 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2460. 26.81 s > at <unknown source file>:<unknown line>
  2461. 26.81 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2462. 26.81 s > at <unknown source file>:<unknown line>
  2463. 26.81 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2464. 26.81 s > at <unknown source file>:<unknown line>
  2465. 26.81 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  2466. 26.81 s > at <unknown source file>:<unknown line>
  2467. 26.81 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  2468. 26.81 s > at <unknown source file>:<unknown line>
  2469. 26.81 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2470. 26.81 s > at <unknown source file>:<unknown line>
  2471. 26.81 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2472. 26.81 s > at <unknown source file>:<unknown line>
  2473. 26.81 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2474. 26.81 s > at <unknown source file>:<unknown line>
  2475. 26.81 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2476. 26.81 s > at <unknown source file>:<unknown line>
  2477. 26.81 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2478. 26.81 s > at <unknown source file>:<unknown line>
  2479. 26.81 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2480. 26.81 s > at <unknown source file>:<unknown line>
  2481. 26.81 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2482. 26.81 s > at <unknown source file>:<unknown line>
  2483. 26.81 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2484. 26.81 s > at <unknown source file>:<unknown line>
  2485. 26.81 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2486. 26.81 s > at <unknown source file>:<unknown line>
  2487. 26.81 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2488. 26.81 s > at <unknown source file>:<unknown line>
  2489. 26.81 s > 21: PyEval_EvalCode.localalias<unknown>
  2490. 26.81 s > at <unknown source file>:<unknown line>
  2491. 26.81 s > 22: run_eval_code_obj<unknown>
  2492. 26.81 s > at <unknown source file>:<unknown line>
  2493. 26.81 s > 23: run_mod<unknown>
  2494. 26.81 s > at <unknown source file>:<unknown line>
  2495. 26.81 s > 24: Py_RunMain.localalias<unknown>
  2496. 26.81 s > at <unknown source file>:<unknown line>
  2497. 26.81 s > 25: __libc_start_call_main<unknown>
  2498. 26.81 s > at <unknown source file>:<unknown line>
  2499. 26.81 s > 26: __libc_start_main_alias_2<unknown>
  2500. 26.81 s > at <unknown source file>:<unknown line>
  2501. 26.81 s > 27: _start<unknown>
  2502. 26.81 s > at <unknown source file>:<unknown line>
  2503. 26.81 s >
  2504. 26.81 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2505. 26.81 s > Run with RUST_BACKTRACE=full to include source snippets.
  2506. 26.81 s > Traceback (most recent call last):
  2507. 26.81 s > File "<string>", line 78, in <module>
  2508. 26.81 s > without_events = summarize_result(api.evaluate_sample(point))
  2509. 26.81 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  2510. 26.81 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2511. 26.81 s >
  2512. 26.81 s >
  2513. 26.81 s > Location:
  2514. 26.81 s > tests/tests/test_python_api.rs:156:20
  2515. 26.81 s > system-out
  2516. 26.81 s > running 1 test
  2517. 26.81 s > test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  2518. 26.81 s >
  2519. 26.81 s > failures:
  2520. 26.81 s >
  2521. 26.81 s > failures:
  2522. 26.81 s > python_evaluate_sample_honors_generate_events_and_observable_snapshots
  2523. 26.81 s >
  2524. 26.81 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  2525. 26.81 s > system-err
  2526. 26.81 s > Error: Python API test subprocess failed.
  2527. 26.81 s > stdout:
  2528. 26.81 s >
  2529. 26.81 s > stderr:
  2530. 26.81 s > [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  2531. 26.81 s > [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  2532. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2533. 26.81 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2534. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2535. 26.81 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  2536. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2537. 26.81 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  2538. 26.81 s > [2026-09-14 04:23:20.591] @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]}}'
  2539. 26.81 s > [2026-09-14 04:23:20.591] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2540. 26.81 s > [2026-09-14 04:23:20.592] @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
  2541. 26.81 s > [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2542. 26.81 s > [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2543. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2544. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2545. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2546. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2547. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2548. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2549. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2550. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2551. 26.81 s > [2026-09-14 04:23:20.700] @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)
  2552. 26.81 s > [2026-09-14 04:23:20.700] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2553. 26.81 s > [2026-09-14 04:23:20.700] @commands::generate INFO : Generated cross-section 2 graphs.
  2554. 26.81 s > [2026-09-14 04:23:20.700] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2555. 26.81 s > [2026-09-14 04:23:20.701] @gammaloop_api::se... INFO : Running command generate
  2556. 26.81 s > [2026-09-14 04:23:21.004] @commands::generate INFO :
  2557. 26.81 s > Integrand generation summary
  2558. 26.81 s > peak RAM 95.89 MiB | cores 1
  2559. 26.81 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2560. 26.81 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2561. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2562. 26.81 s > │ default │ GL0 │ 3 │ 39ms (47%) │ 21ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  2563. 26.81 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 59ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  2564. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2565. 26.81 s > │ Total │ │ 8 │ 96ms (36%) │ 80ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  2566. 26.81 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2567. 26.81 s > [2026-09-14 04:23:21.004] @gammaloop_api::se... INFO : Running command set process string '
  2568. 26.81 s > [quantities.leading_jet_pt]
  2569. 26.81 s > type = "jet"
  2570. 26.81 s > quantity = "PT"
  2571. 26.81 s > dR = 0.4
  2572. 26.81 s > [...]
  2573. 26.81 s > [2026-09-14 04:23:21.005] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  2574. 26.81 s > The application panicked (crashed).
  2575. 26.81 s > Message: index out of bounds: the len is 0 but the index is 0
  2576. 26.81 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2577. 26.81 s >
  2578. 26.81 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2579. 26.81 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2580. 26.81 s > at <unknown source file>:<unknown line>
  2581. 26.81 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2582. 26.81 s > at <unknown source file>:<unknown line>
  2583. 26.81 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2584. 26.81 s > at <unknown source file>:<unknown line>
  2585. 26.81 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2586. 26.81 s > at <unknown source file>:<unknown line>
  2587. 26.81 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2588. 26.81 s > at <unknown source file>:<unknown line>
  2589. 26.81 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2590. 26.81 s > at <unknown source file>:<unknown line>
  2591. 26.81 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2592. 26.81 s > at <unknown source file>:<unknown line>
  2593. 26.81 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2594. 26.81 s > at <unknown source file>:<unknown line>
  2595. 26.81 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  2596. 26.81 s > at <unknown source file>:<unknown line>
  2597. 26.81 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  2598. 26.81 s > at <unknown source file>:<unknown line>
  2599. 26.81 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2600. 26.81 s > at <unknown source file>:<unknown line>
  2601. 26.81 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2602. 26.81 s > at <unknown source file>:<unknown line>
  2603. 26.81 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2604. 26.81 s > at <unknown source file>:<unknown line>
  2605. 26.81 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2606. 26.81 s > at <unknown source file>:<unknown line>
  2607. 26.81 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2608. 26.81 s > at <unknown source file>:<unknown line>
  2609. 26.81 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2610. 26.81 s > at <unknown source file>:<unknown line>
  2611. 26.81 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2612. 26.81 s > at <unknown source file>:<unknown line>
  2613. 26.81 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2614. 26.81 s > at <unknown source file>:<unknown line>
  2615. 26.81 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2616. 26.81 s > at <unknown source file>:<unknown line>
  2617. 26.81 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2618. 26.81 s > at <unknown source file>:<unknown line>
  2619. 26.81 s > 21: PyEval_EvalCode.localalias<unknown>
  2620. 26.81 s > at <unknown source file>:<unknown line>
  2621. 26.81 s > 22: run_eval_code_obj<unknown>
  2622. 26.81 s > at <unknown source file>:<unknown line>
  2623. 26.81 s > 23: run_mod<unknown>
  2624. 26.81 s > at <unknown source file>:<unknown line>
  2625. 26.81 s > 24: Py_RunMain.localalias<unknown>
  2626. 26.81 s > at <unknown source file>:<unknown line>
  2627. 26.81 s > 25: __libc_start_call_main<unknown>
  2628. 26.81 s > at <unknown source file>:<unknown line>
  2629. 26.81 s > 26: __libc_start_main_alias_2<unknown>
  2630. 26.81 s > at <unknown source file>:<unknown line>
  2631. 26.81 s > 27: _start<unknown>
  2632. 26.81 s > at <unknown source file>:<unknown line>
  2633. 26.81 s >
  2634. 26.81 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2635. 26.81 s > Run with RUST_BACKTRACE=full to include source snippets.
  2636. 26.81 s > Traceback (most recent call last):
  2637. 26.81 s > File "<string>", line 78, in <module>
  2638. 26.81 s > without_events = summarize_result(api.evaluate_sample(point))
  2639. 26.81 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  2640. 26.81 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2641. 26.81 s >
  2642. 26.81 s >
  2643. 26.81 s > Location:
  2644. 26.81 s > tests/tests/test_python_api.rs:156:20
  2645. 26.81 s >
  2646. 26.81 s > 2. gammaloop-integration-tests::test_python_api::python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  2647. 26.81 s > failure: test failure with exit code 101
  2648. 26.81 s > Error: Python API test subprocess failed.
  2649. 26.81 s > stdout:
  2650. 26.81 s >
  2651. 26.81 s > stderr:
  2652. 26.81 s > [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  2653. 26.81 s > [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  2654. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2655. 26.81 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2656. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2657. 26.81 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  2658. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2659. 26.81 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  2660. 26.81 s > [2026-09-14 04:23:20.591] @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]}}'
  2661. 26.81 s > [2026-09-14 04:23:20.591] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2662. 26.81 s > [2026-09-14 04:23:20.592] @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
  2663. 26.81 s > [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2664. 26.81 s > [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2665. 26.81 s > [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2666. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2667. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2668. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2669. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2670. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2671. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2672. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2673. 26.81 s > [2026-09-14 04:23:20.701] @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)
  2674. 26.81 s > [2026-09-14 04:23:20.702] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2675. 26.81 s > [2026-09-14 04:23:20.702] @commands::generate INFO : Generated cross-section 2 graphs.
  2676. 26.81 s > [2026-09-14 04:23:20.702] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2677. 26.81 s > [2026-09-14 04:23:20.703] @gammaloop_api::se... INFO : Running command generate
  2678. 26.81 s > [2026-09-14 04:23:21.005] @commands::generate INFO :
  2679. 26.81 s > Integrand generation summary
  2680. 26.81 s > peak RAM 97.41 MiB | cores 1
  2681. 26.81 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2682. 26.81 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2683. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2684. 26.81 s > │ default │ GL0 │ 3 │ 38ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  2685. 26.81 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 61ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  2686. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2687. 26.81 s > │ Total │ │ 8 │ 96ms (35%) │ 83ms (30%) │ 93ms (34%) │ 0ms (0.00%) │
  2688. 26.81 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2689. 26.81 s > [2026-09-14 04:23:21.006] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  2690. 26.81 s > The application panicked (crashed).
  2691. 26.81 s > Message: index out of bounds: the len is 0 but the index is 0
  2692. 26.81 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2693. 26.81 s >
  2694. 26.81 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2695. 26.81 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2696. 26.81 s > at <unknown source file>:<unknown line>
  2697. 26.81 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2698. 26.81 s > at <unknown source file>:<unknown line>
  2699. 26.81 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2700. 26.81 s > at <unknown source file>:<unknown line>
  2701. 26.81 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2702. 26.81 s > at <unknown source file>:<unknown line>
  2703. 26.81 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2704. 26.81 s > at <unknown source file>:<unknown line>
  2705. 26.81 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2706. 26.81 s > at <unknown source file>:<unknown line>
  2707. 26.81 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2708. 26.81 s > at <unknown source file>:<unknown line>
  2709. 26.81 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2710. 26.81 s > at <unknown source file>:<unknown line>
  2711. 26.81 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  2712. 26.81 s > at <unknown source file>:<unknown line>
  2713. 26.81 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  2714. 26.81 s > at <unknown source file>:<unknown line>
  2715. 26.81 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2716. 26.81 s > at <unknown source file>:<unknown line>
  2717. 26.81 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2718. 26.81 s > at <unknown source file>:<unknown line>
  2719. 26.81 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2720. 26.81 s > at <unknown source file>:<unknown line>
  2721. 26.81 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2722. 26.81 s > at <unknown source file>:<unknown line>
  2723. 26.81 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2724. 26.81 s > at <unknown source file>:<unknown line>
  2725. 26.81 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2726. 26.81 s > at <unknown source file>:<unknown line>
  2727. 26.81 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2728. 26.81 s > at <unknown source file>:<unknown line>
  2729. 26.81 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2730. 26.81 s > at <unknown source file>:<unknown line>
  2731. 26.81 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2732. 26.81 s > at <unknown source file>:<unknown line>
  2733. 26.81 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2734. 26.81 s > at <unknown source file>:<unknown line>
  2735. 26.81 s > 21: PyEval_EvalCode.localalias<unknown>
  2736. 26.81 s > at <unknown source file>:<unknown line>
  2737. 26.81 s > 22: run_eval_code_obj<unknown>
  2738. 26.81 s > at <unknown source file>:<unknown line>
  2739. 26.81 s > 23: run_mod<unknown>
  2740. 26.81 s > at <unknown source file>:<unknown line>
  2741. 26.81 s > 24: Py_RunMain.localalias<unknown>
  2742. 26.81 s > at <unknown source file>:<unknown line>
  2743. 26.81 s > 25: __libc_start_call_main<unknown>
  2744. 26.81 s > at <unknown source file>:<unknown line>
  2745. 26.81 s > 26: __libc_start_main_alias_2<unknown>
  2746. 26.81 s > at <unknown source file>:<unknown line>
  2747. 26.81 s > 27: _start<unknown>
  2748. 26.81 s > at <unknown source file>:<unknown line>
  2749. 26.81 s >
  2750. 26.81 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2751. 26.81 s > Run with RUST_BACKTRACE=full to include source snippets.
  2752. 26.81 s > Traceback (most recent call last):
  2753. 26.81 s > File "<string>", line 78, in <module>
  2754. 26.81 s > result = api.evaluate_sample(point)
  2755. 26.81 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2756. 26.81 s >
  2757. 26.81 s >
  2758. 26.81 s > Location:
  2759. 26.81 s > tests/tests/test_python_api.rs:156:20
  2760. 26.81 s > system-out
  2761. 26.81 s > running 1 test
  2762. 26.81 s > test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  2763. 26.81 s >
  2764. 26.81 s > failures:
  2765. 26.81 s >
  2766. 26.81 s > failures:
  2767. 26.81 s > python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  2768. 26.81 s >
  2769. 26.81 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  2770. 26.81 s > system-err
  2771. 26.81 s > Error: Python API test subprocess failed.
  2772. 26.81 s > stdout:
  2773. 26.81 s >
  2774. 26.81 s > stderr:
  2775. 26.81 s > [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  2776. 26.81 s > [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  2777. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2778. 26.81 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2779. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2780. 26.81 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  2781. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2782. 26.81 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  2783. 26.81 s > [2026-09-14 04:23:20.591] @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]}}'
  2784. 26.81 s > [2026-09-14 04:23:20.591] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2785. 26.81 s > [2026-09-14 04:23:20.592] @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
  2786. 26.81 s > [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2787. 26.81 s > [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2788. 26.81 s > [2026-09-14 04:23:20.597] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2789. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2790. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2791. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2792. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2793. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2794. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2795. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2796. 26.81 s > [2026-09-14 04:23:20.701] @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)
  2797. 26.81 s > [2026-09-14 04:23:20.702] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2798. 26.81 s > [2026-09-14 04:23:20.702] @commands::generate INFO : Generated cross-section 2 graphs.
  2799. 26.81 s > [2026-09-14 04:23:20.702] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2800. 26.81 s > [2026-09-14 04:23:20.703] @gammaloop_api::se... INFO : Running command generate
  2801. 26.81 s > [2026-09-14 04:23:21.005] @commands::generate INFO :
  2802. 26.81 s > Integrand generation summary
  2803. 26.81 s > peak RAM 97.41 MiB | cores 1
  2804. 26.81 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2805. 26.81 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2806. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2807. 26.81 s > │ default │ GL0 │ 3 │ 38ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  2808. 26.81 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 61ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  2809. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2810. 26.81 s > │ Total │ │ 8 │ 96ms (35%) │ 83ms (30%) │ 93ms (34%) │ 0ms (0.00%) │
  2811. 26.81 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2812. 26.81 s > [2026-09-14 04:23:21.006] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  2813. 26.81 s > The application panicked (crashed).
  2814. 26.81 s > Message: index out of bounds: the len is 0 but the index is 0
  2815. 26.81 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2816. 26.81 s >
  2817. 26.81 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2818. 26.81 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2819. 26.81 s > at <unknown source file>:<unknown line>
  2820. 26.81 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2821. 26.81 s > at <unknown source file>:<unknown line>
  2822. 26.81 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2823. 26.81 s > at <unknown source file>:<unknown line>
  2824. 26.81 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2825. 26.81 s > at <unknown source file>:<unknown line>
  2826. 26.81 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2827. 26.81 s > at <unknown source file>:<unknown line>
  2828. 26.81 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2829. 26.81 s > at <unknown source file>:<unknown line>
  2830. 26.81 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2831. 26.81 s > at <unknown source file>:<unknown line>
  2832. 26.81 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2833. 26.81 s > at <unknown source file>:<unknown line>
  2834. 26.81 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  2835. 26.81 s > at <unknown source file>:<unknown line>
  2836. 26.81 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  2837. 26.81 s > at <unknown source file>:<unknown line>
  2838. 26.81 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2839. 26.81 s > at <unknown source file>:<unknown line>
  2840. 26.81 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2841. 26.81 s > at <unknown source file>:<unknown line>
  2842. 26.81 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2843. 26.81 s > at <unknown source file>:<unknown line>
  2844. 26.81 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2845. 26.81 s > at <unknown source file>:<unknown line>
  2846. 26.81 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2847. 26.81 s > at <unknown source file>:<unknown line>
  2848. 26.81 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2849. 26.81 s > at <unknown source file>:<unknown line>
  2850. 26.81 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2851. 26.81 s > at <unknown source file>:<unknown line>
  2852. 26.81 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2853. 26.81 s > at <unknown source file>:<unknown line>
  2854. 26.81 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2855. 26.81 s > at <unknown source file>:<unknown line>
  2856. 26.81 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2857. 26.81 s > at <unknown source file>:<unknown line>
  2858. 26.81 s > 21: PyEval_EvalCode.localalias<unknown>
  2859. 26.81 s > at <unknown source file>:<unknown line>
  2860. 26.81 s > 22: run_eval_code_obj<unknown>
  2861. 26.81 s > at <unknown source file>:<unknown line>
  2862. 26.81 s > 23: run_mod<unknown>
  2863. 26.81 s > at <unknown source file>:<unknown line>
  2864. 26.81 s > 24: Py_RunMain.localalias<unknown>
  2865. 26.81 s > at <unknown source file>:<unknown line>
  2866. 26.81 s > 25: __libc_start_call_main<unknown>
  2867. 26.81 s > at <unknown source file>:<unknown line>
  2868. 26.81 s > 26: __libc_start_main_alias_2<unknown>
  2869. 26.81 s > at <unknown source file>:<unknown line>
  2870. 26.81 s > 27: _start<unknown>
  2871. 26.81 s > at <unknown source file>:<unknown line>
  2872. 26.81 s >
  2873. 26.81 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2874. 26.81 s > Run with RUST_BACKTRACE=full to include source snippets.
  2875. 26.81 s > Traceback (most recent call last):
  2876. 26.81 s > File "<string>", line 78, in <module>
  2877. 26.81 s > result = api.evaluate_sample(point)
  2878. 26.81 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2879. 26.81 s >
  2880. 26.81 s >
  2881. 26.81 s > Location:
  2882. 26.81 s > tests/tests/test_python_api.rs:156:20
  2883. 26.81 s >
  2884. 26.81 s > 3. gammaloop-integration-tests::test_python_api::python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  2885. 26.81 s > failure: test failure with exit code 101
  2886. 26.81 s > Error: Python API test subprocess failed.
  2887. 26.81 s > stdout:
  2888. 26.81 s >
  2889. 26.81 s > stderr:
  2890. 26.81 s > [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  2891. 26.81 s > [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  2892. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2893. 26.81 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2894. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2895. 26.81 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  2896. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2897. 26.81 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  2898. 26.81 s > [2026-09-14 04:23:20.591] @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]}}'
  2899. 26.81 s > [2026-09-14 04:23:20.592] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2900. 26.81 s > [2026-09-14 04:23:20.593] @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
  2901. 26.81 s > [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2902. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2903. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2904. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2905. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2906. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2907. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2908. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2909. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2910. 26.81 s > [2026-09-14 04:23:20.600] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2911. 26.81 s > [2026-09-14 04:23:20.700] @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)
  2912. 26.81 s > [2026-09-14 04:23:20.700] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2913. 26.81 s > [2026-09-14 04:23:20.700] @commands::generate INFO : Generated cross-section 2 graphs.
  2914. 26.81 s > [2026-09-14 04:23:20.700] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2915. 26.81 s > [2026-09-14 04:23:20.701] @gammaloop_api::se... INFO : Running command generate
  2916. 26.81 s > [2026-09-14 04:23:21.004] @commands::generate INFO :
  2917. 26.81 s > Integrand generation summary
  2918. 26.81 s > peak RAM 96.15 MiB | cores 1
  2919. 26.81 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2920. 26.81 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2921. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2922. 26.81 s > │ default │ GL0 │ 3 │ 37ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  2923. 26.81 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  2924. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2925. 26.81 s > │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  2926. 26.81 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2927. 26.81 s > [2026-09-14 04:23:21.005] @gammaloop_api::se... INFO : Running command set process string '
  2928. 26.81 s > [quantities.leading_jet_pt]
  2929. 26.81 s > type = "jet"
  2930. 26.81 s > quantity = "PT"
  2931. 26.81 s > dR = 0.4
  2932. 26.81 s > [...]
  2933. 26.81 s > [2026-09-14 04:23:21.006] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  2934. 26.81 s > The application panicked (crashed).
  2935. 26.81 s > Message: index out of bounds: the len is 0 but the index is 0
  2936. 26.81 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2937. 26.81 s >
  2938. 26.81 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2939. 26.81 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2940. 26.81 s > at <unknown source file>:<unknown line>
  2941. 26.81 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2942. 26.81 s > at <unknown source file>:<unknown line>
  2943. 26.81 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2944. 26.81 s > at <unknown source file>:<unknown line>
  2945. 26.81 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2946. 26.81 s > at <unknown source file>:<unknown line>
  2947. 26.81 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2948. 26.81 s > at <unknown source file>:<unknown line>
  2949. 26.81 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2950. 26.81 s > at <unknown source file>:<unknown line>
  2951. 26.81 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2952. 26.81 s > at <unknown source file>:<unknown line>
  2953. 26.81 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2954. 26.81 s > at <unknown source file>:<unknown line>
  2955. 26.81 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  2956. 26.81 s > at <unknown source file>:<unknown line>
  2957. 26.81 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  2958. 26.81 s > at <unknown source file>:<unknown line>
  2959. 26.81 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2960. 26.81 s > at <unknown source file>:<unknown line>
  2961. 26.81 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2962. 26.81 s > at <unknown source file>:<unknown line>
  2963. 26.81 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2964. 26.81 s > at <unknown source file>:<unknown line>
  2965. 26.81 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2966. 26.81 s > at <unknown source file>:<unknown line>
  2967. 26.81 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  2968. 26.81 s > at <unknown source file>:<unknown line>
  2969. 26.81 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  2970. 26.81 s > at <unknown source file>:<unknown line>
  2971. 26.81 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2972. 26.81 s > at <unknown source file>:<unknown line>
  2973. 26.81 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  2974. 26.81 s > at <unknown source file>:<unknown line>
  2975. 26.81 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2976. 26.81 s > at <unknown source file>:<unknown line>
  2977. 26.81 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2978. 26.81 s > at <unknown source file>:<unknown line>
  2979. 26.81 s > 21: PyEval_EvalCode.localalias<unknown>
  2980. 26.81 s > at <unknown source file>:<unknown line>
  2981. 26.81 s > 22: run_eval_code_obj<unknown>
  2982. 26.81 s > at <unknown source file>:<unknown line>
  2983. 26.81 s > 23: run_mod<unknown>
  2984. 26.81 s > at <unknown source file>:<unknown line>
  2985. 26.81 s > 24: Py_RunMain.localalias<unknown>
  2986. 26.81 s > at <unknown source file>:<unknown line>
  2987. 26.81 s > 25: __libc_start_call_main<unknown>
  2988. 26.81 s > at <unknown source file>:<unknown line>
  2989. 26.81 s > 26: __libc_start_main_alias_2<unknown>
  2990. 26.81 s > at <unknown source file>:<unknown line>
  2991. 26.81 s > 27: _start<unknown>
  2992. 26.81 s > at <unknown source file>:<unknown line>
  2993. 26.81 s >
  2994. 26.81 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2995. 26.81 s > Run with RUST_BACKTRACE=full to include source snippets.
  2996. 26.81 s > Traceback (most recent call last):
  2997. 26.81 s > File "<string>", line 85, in <module>
  2998. 26.81 s > batch = summarize_batch_result(api.evaluate_samples(points))
  2999. 26.81 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  3000. 26.81 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  3001. 26.81 s >
  3002. 26.81 s >
  3003. 26.81 s > Location:
  3004. 26.81 s > tests/tests/test_python_api.rs:156:20
  3005. 26.81 s > system-out
  3006. 26.81 s > running 1 test
  3007. 26.81 s > test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  3008. 26.81 s >
  3009. 26.81 s > failures:
  3010. 26.81 s >
  3011. 26.81 s > failures:
  3012. 26.81 s > python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  3013. 26.81 s >
  3014. 26.81 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.70s
  3015. 26.81 s > system-err
  3016. 26.81 s > Error: Python API test subprocess failed.
  3017. 26.81 s > stdout:
  3018. 26.81 s >
  3019. 26.81 s > stderr:
  3020. 26.81 s > [2026-09-14 04:23:20.551] @gammaloop_api::se... INFO : Running command import model sm-default
  3021. 26.81 s > [2026-09-14 04:23:20.551] @import::model INFO : Loading built-in JSON model sm-default
  3022. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  3023. 26.81 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  3024. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  3025. 26.81 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  3026. 26.81 s > [2026-09-14 04:23:20.590] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  3027. 26.81 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  3028. 26.81 s > [2026-09-14 04:23:20.591] @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]}}'
  3029. 26.81 s > [2026-09-14 04:23:20.592] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  3030. 26.81 s > [2026-09-14 04:23:20.593] @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
  3031. 26.81 s > [2026-09-14 04:23:20.595] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  3032. 26.81 s > [2026-09-14 04:23:20.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  3033. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  3034. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  3035. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  3036. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  3037. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  3038. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  3039. 26.81 s > [2026-09-14 04:23:20.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  3040. 26.81 s > [2026-09-14 04:23:20.600] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  3041. 26.81 s > [2026-09-14 04:23:20.700] @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)
  3042. 26.81 s > [2026-09-14 04:23:20.700] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  3043. 26.81 s > [2026-09-14 04:23:20.700] @commands::generate INFO : Generated cross-section 2 graphs.
  3044. 26.81 s > [2026-09-14 04:23:20.700] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  3045. 26.81 s > [2026-09-14 04:23:20.701] @gammaloop_api::se... INFO : Running command generate
  3046. 26.81 s > [2026-09-14 04:23:21.004] @commands::generate INFO :
  3047. 26.81 s > Integrand generation summary
  3048. 26.81 s > peak RAM 96.15 MiB | cores 1
  3049. 26.81 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  3050. 26.81 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  3051. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  3052. 26.81 s > │ default │ GL0 │ 3 │ 37ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  3053. 26.81 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  3054. 26.81 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  3055. 26.81 s > │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 91ms (34%) │ 0ms (0.00%) │
  3056. 26.81 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  3057. 26.81 s > [2026-09-14 04:23:21.005] @gammaloop_api::se... INFO : Running command set process string '
  3058. 26.81 s > [quantities.leading_jet_pt]
  3059. 26.81 s > type = "jet"
  3060. 26.81 s > quantity = "PT"
  3061. 26.81 s > dR = 0.4
  3062. 26.81 s > [...]
  3063. 26.81 s > [2026-09-14 04:23:21.006] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  3064. 26.81 s > The application panicked (crashed).
  3065. 26.81 s > Message: index out of bounds: the len is 0 but the index is 0
  3066. 26.81 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  3067. 26.81 s >
  3068. 26.81 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  3069. 26.81 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  3070. 26.81 s > at <unknown source file>:<unknown line>
  3071. 26.81 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  3072. 26.81 s > at <unknown source file>:<unknown line>
  3073. 26.81 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  3074. 26.81 s > at <unknown source file>:<unknown line>
  3075. 26.81 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  3076. 26.81 s > at <unknown source file>:<unknown line>
  3077. 26.81 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  3078. 26.81 s > at <unknown source file>:<unknown line>
  3079. 26.81 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  3080. 26.81 s > at <unknown source file>:<unknown line>
  3081. 26.81 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  3082. 26.81 s > at <unknown source file>:<unknown line>
  3083. 26.81 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  3084. 26.81 s > at <unknown source file>:<unknown line>
  3085. 26.81 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  3086. 26.81 s > at <unknown source file>:<unknown line>
  3087. 26.81 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  3088. 26.81 s > at <unknown source file>:<unknown line>
  3089. 26.81 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  3090. 26.81 s > at <unknown source file>:<unknown line>
  3091. 26.81 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  3092. 26.81 s > at <unknown source file>:<unknown line>
  3093. 26.81 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  3094. 26.81 s > at <unknown source file>:<unknown line>
  3095. 26.81 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  3096. 26.81 s > at <unknown source file>:<unknown line>
  3097. 26.81 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  3098. 26.81 s > at <unknown source file>:<unknown line>
  3099. 26.81 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  3100. 26.81 s > at <unknown source file>:<unknown line>
  3101. 26.81 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  3102. 26.81 s > at <unknown source file>:<unknown line>
  3103. 26.81 s > 18: pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::<<pyo3[4efe0e4b266717a9]::impl_::pyclass::PyClassImplCollector<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI> as pyo3[4efe0e4b266717a9]::impl_::pyclass::PyMethods<gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>>::py_methods::ITEMS::Def><unknown>
  3104. 26.81 s > at <unknown source file>:<unknown line>
  3105. 26.81 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  3106. 26.81 s > at <unknown source file>:<unknown line>
  3107. 26.81 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  3108. 26.81 s > at <unknown source file>:<unknown line>
  3109. 26.81 s > 21: PyEval_EvalCode.localalias<unknown>
  3110. 26.81 s > at <unknown source file>:<unknown line>
  3111. 26.81 s > 22: run_eval_code_obj<unknown>
  3112. 26.81 s > at <unknown source file>:<unknown line>
  3113. 26.81 s > 23: run_mod<unknown>
  3114. 26.81 s > at <unknown source file>:<unknown line>
  3115. 26.81 s > 24: Py_RunMain.localalias<unknown>
  3116. 26.81 s > at <unknown source file>:<unknown line>
  3117. 26.81 s > 25: __libc_start_call_main<unknown>
  3118. 26.81 s > at <unknown source file>:<unknown line>
  3119. 26.81 s > 26: __libc_start_main_alias_2<unknown>
  3120. 26.81 s > at <unknown source file>:<unknown line>
  3121. 26.81 s > 27: _start<unknown>
  3122. 26.81 s > at <unknown source file>:<unknown line>
  3123. 26.81 s >
  3124. 26.81 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  3125. 26.81 s > Run with RUST_BACKTRACE=full to include source snippets.
  3126. 26.81 s > Traceback (most recent call last):
  3127. 26.81 s > File "<string>", line 85, in <module>
  3128. 26.81 s > batch = summarize_batch_result(api.evaluate_samples(points))
  3129. 26.81 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  3130. 26.81 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  3131. 26.81 s >
  3132. 26.81 s >
  3133. 26.81 s > Location:
  3134. 26.81 s > tests/tests/test_python_api.rs:156:20
  3135. 26.81 s > =========================================
  3136. 26.81 s For full logs, run:
  3137. 26.81 s nix log /nix/store/66j1x39543kg5dqis2p8an918rhhgklr-gammaloop-nextest-python-api.drv
  3138. 26.95 s Run failed.