1. 0.00 s $ /nix/store/9ypz3flqsrl5xl495mm8h645gadjsxi1-coreutils-9.11/bin/timeout --kill-after=15s 7200s /nix/store/23zk8sgzamrbmj1fday15szf7f2279s8-nix-2.34.7/bin/nix --extra-experimental-features nix-command --extra-experimental-features flakes flake clone git+https://github.com/alphal00p/gammaloop --dest /tmp/nix-ci-worker/stable-pwd/repo/
  2. 0.07 s Cloning into '/tmp/nix-ci-worker/stable-pwd/repo'...
  3. 0.77 s remote: Enumerating objects: 86629, done.
  4. 0.87 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. 3.16 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% (273/2147) 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: 22% (488/2147) remote: Compressing objects: 23% (494/2147) 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. 7.49 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), 16.64 MiB | 33.26 MiB/s Receiving objects: 10% (8663/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 11% (9530/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 12% (10396/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 13% (11262/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 14% (12129/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 15% (12995/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 16% (13861/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 17% (14727/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 18% (15594/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 19% (16460/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 20% (17326/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 21% (18193/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 22% (19059/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 23% (19925/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 24% (20791/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 25% (21658/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 26% (22524/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 27% (23390/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 28% (24257/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 29% (25123/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 30% (25989/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 31% (26855/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 32% (27722/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 33% (28588/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 34% (29454/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 35% (30321/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 36% (31187/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 37% (32053/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 38% (32920/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 39% (33786/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 40% (34652/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 41% (35518/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 41% (35702/86629), 16.64 MiB | 33.26 MiB/s Receiving objects: 42% (36385/86629), 37.30 MiB | 37.30 MiB/s Receiving objects: 43% (37251/86629), 37.30 MiB | 37.30 MiB/s Receiving objects: 44% (38117/86629), 37.30 MiB | 37.30 MiB/s Receiving objects: 45% (38984/86629), 37.30 MiB | 37.30 MiB/s Receiving objects: 46% (39850/86629), 37.30 MiB | 37.30 MiB/s Receiving objects: 47% (40716/86629), 37.30 MiB | 37.30 MiB/s Receiving objects: 48% (41582/86629), 37.30 MiB | 37.30 MiB/s Receiving objects: 49% (42449/86629), 37.30 MiB | 37.30 MiB/s Receiving objects: 50% (43315/86629), 37.30 MiB | 37.30 MiB/s Receiving objects: 51% (44181/86629), 37.30 MiB | 37.30 MiB/s Receiving objects: 52% (45048/86629), 54.37 MiB | 36.24 MiB/s Receiving objects: 53% (45914/86629), 54.37 MiB | 36.24 MiB/s Receiving objects: 54% (46780/86629), 54.37 MiB | 36.24 MiB/s Receiving objects: 55% (47646/86629), 54.37 MiB | 36.24 MiB/s Receiving objects: 56% (48513/86629), 54.37 MiB | 36.24 MiB/s Receiving objects: 57% (49379/86629), 54.37 MiB | 36.24 MiB/s Receiving objects: 58% (50245/86629), 54.37 MiB | 36.24 MiB/s Receiving objects: 59% (51112/86629), 54.37 MiB | 36.24 MiB/s Receiving objects: 59% (51279/86629), 73.00 MiB | 36.09 MiB/s Receiving objects: 60% (51978/86629), 73.00 MiB | 36.09 MiB/s Receiving objects: 61% (52844/86629), 73.00 MiB | 36.09 MiB/s Receiving objects: 62% (53710/86629), 73.00 MiB | 36.09 MiB/s Receiving objects: 63% (54577/86629), 73.00 MiB | 36.09 MiB/s Receiving objects: 64% (55443/86629), 73.00 MiB | 36.09 MiB/s Receiving objects: 65% (56309/86629), 73.00 MiB | 36.09 MiB/s Receiving objects: 66% (57176/86629), 73.00 MiB | 36.09 MiB/s Receiving objects: 67% (58042/86629), 92.00 MiB | 36.47 MiB/s Receiving objects: 68% (58908/86629), 92.00 MiB | 36.47 MiB/s Receiving objects: 68% (59277/86629), 92.00 MiB | 36.47 MiB/s Receiving objects: 69% (59775/86629), 92.00 MiB | 36.47 MiB/s Receiving objects: 70% (60641/86629), 92.00 MiB | 36.47 MiB/s Receiving objects: 71% (61507/86629), 110.48 MiB | 36.55 MiB/s Receiving objects: 72% (62373/86629), 110.48 MiB | 36.55 MiB/s Receiving objects: 73% (63240/86629), 110.48 MiB | 36.55 MiB/s Receiving objects: 74% (64106/86629), 110.48 MiB | 36.55 MiB/s Receiving objects: 75% (64972/86629), 127.50 MiB | 36.19 MiB/s Receiving objects: 76% (65839/86629), 127.50 MiB | 36.19 MiB/s Receiving objects: 77% (66705/86629), 127.50 MiB | 36.19 MiB/s Receiving objects: 78% (67571/86629), 127.50 MiB | 36.19 MiB/s Receiving objects: 79% (68437/86629), 127.50 MiB | 36.19 MiB/s Receiving objects: 80% (69304/86629), 127.50 MiB | 36.19 MiB/s Receiving objects: 81% (70170/86629), 127.50 MiB | 36.19 MiB/s Receiving objects: 82% (71036/86629), 127.50 MiB | 36.19 MiB/s Receiving objects: 83% (71903/86629), 127.50 MiB | 36.19 MiB/s Receiving objects: 84% (72769/86629), 127.50 MiB | 36.19 MiB/s Receiving objects: 85% (73635/86629), 127.50 MiB | 36.19 MiB/s Receiving objects: 85% (74151/86629), 146.25 MiB | 36.12 MiB/s Receiving objects: 86% (74501/86629), 146.25 MiB | 36.12 MiB/s Receiving objects: 87% (75368/86629), 146.25 MiB | 36.12 MiB/s Receiving objects: 88% (76234/86629), 146.25 MiB | 36.12 MiB/s Receiving objects: 89% (77100/86629), 146.25 MiB | 36.12 MiB/s Receiving objects: 90% (77967/86629), 146.25 MiB | 36.12 MiB/s Receiving objects: 91% (78833/86629), 146.25 MiB | 36.12 MiB/s Receiving objects: 92% (79699/86629), 146.25 MiB | 36.12 MiB/s Receiving objects: 93% (80565/86629), 146.25 MiB | 36.12 MiB/s Receiving objects: 94% (81432/86629), 146.25 MiB | 36.12 MiB/s Receiving objects: 95% (82298/86629), 146.25 MiB | 36.12 MiB/s Receiving objects: 96% (83164/86629), 146.25 MiB | 36.12 MiB/s Receiving objects: 97% (84031/86629), 146.25 MiB | 36.12 MiB/s Receiving objects: 98% (84897/86629), 146.25 MiB | 36.12 MiB/s Receiving objects: 99% (85763/86629), 146.25 MiB | 36.12 MiB/s remote: Total 86629 (delta 7932), reused 7227 (delta 7044), pack-reused 77432 (from 3)
  7. 7.49 s Receiving objects: 100% (86629/86629), 146.25 MiB | 36.12 MiB/s Receiving objects: 100% (86629/86629), 157.29 MiB | 36.41 MiB/s, done.
  8. 8.37 s Resolving deltas: 0% (0/58827) Resolving deltas: 1% (589/58827) Resolving deltas: 2% (1177/58827) Resolving deltas: 3% (1765/58827) Resolving deltas: 4% (2354/58827) Resolving deltas: 5% (2944/58827) Resolving deltas: 6% (3531/58827) Resolving deltas: 7% (4118/58827) Resolving deltas: 8% (4707/58827) Resolving deltas: 9% (5295/58827) Resolving deltas: 10% (5888/58827) Resolving deltas: 11% (6471/58827) Resolving deltas: 12% (7060/58827) Resolving deltas: 13% (7650/58827) Resolving deltas: 14% (8236/58827) Resolving deltas: 15% (8826/58827) Resolving deltas: 16% (9413/58827) Resolving deltas: 17% (10001/58827) Resolving deltas: 18% (10590/58827) Resolving deltas: 19% (11178/58827) Resolving deltas: 20% (11766/58827) 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% (15884/58827) Resolving deltas: 28% (16472/58827) Resolving deltas: 29% (17060/58827) Resolving deltas: 30% (17649/58827) Resolving deltas: 31% (18237/58827) Resolving deltas: 32% (18825/58827) Resolving deltas: 33% (19413/58827) Resolving deltas: 34% (20002/58827) Resolving deltas: 35% (20590/58827) Resolving deltas: 36% (21178/58827) Resolving deltas: 37% (21767/58827) Resolving deltas: 38% (22355/58827) Resolving deltas: 39% (22943/58827) Resolving deltas: 40% (23531/58827) Resolving deltas: 41% (24120/58827) Resolving deltas: 42% (24708/58827) Resolving deltas: 43% (25296/58827) Resolving deltas: 44% (25885/58827) 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% (30004/58827) Resolving deltas: 52% (30591/58827) Resolving deltas: 53% (31179/58827) Resolving deltas: 54% (31767/58827) Resolving deltas: 55% (32355/58827) Resolving deltas: 56% (32944/58827) Resolving deltas: 57% (33532/58827) Resolving deltas: 58% (34121/58827) Resolving deltas: 59% (34708/58827) Resolving deltas: 60% (35297/58827) Resolving deltas: 61% (35886/58827) Resolving deltas: 62% (36473/58827) Resolving deltas: 63% (37062/58827) 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% (41769/58827) 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% (45297/58827) 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% (48830/58827) 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% (53533/58827) 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. 8.77 s Fetching commit 072c9999ee928e8e9979f92bd5fb16d4f17ca15f for advanced_sampling ...
  10. 8.77 s $ /nix/store/bcnisk3ydfgv26v2gw3zlky24g00yww2-git-2.54.0/bin/git fetch origin 072c9999ee928e8e9979f92bd5fb16d4f17ca15f
  11. 9.18 s From https://github.com/alphal00p/gammaloop
  12. 9.18 s * branch 072c9999ee928e8e9979f92bd5fb16d4f17ca15f -> FETCH_HEAD
  13. 9.19 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. 9.41 s HEAD is now at 072c9999e bind hosted joint surfaces and certify native normal accuracy
  15. 9.42 s $ /nix/store/9ypz3flqsrl5xl495mm8h645gadjsxi1-coreutils-9.11/bin/timeout --kill-after=15s 7200s /nix/store/23zk8sgzamrbmj1fday15szf7f2279s8-nix-2.34.7/bin/nix --extra-experimental-features nix-command --extra-experimental-features flakes --log-format internal-json run .#packages.x86_64-linux.nix-ci-check-gammaloop-nextest-python-api --print-build-logs
  16. 16.45 s
  17. 24.25 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 querying gammaloop-nexte [0/1 built, 0.0 KiB DL] [1/0/1 built, 0.0 KiB DLgammaloop-nextest-python-api> Extracting 1 binary, 1 build script output directory, and 3 linked paths to /build/nextest-archive-EAX6JB
  18. 24.31 s gammaloop-nextest-python-api> Extracted 18 files to /build/nextest-archive-EAX6JB in 0.06s
  19. 24.32 s gammaloop-nextest-python-api> ------------
  20. 24.32 s gammaloop-nextest-python-api> Nextest run ID 4ed024f1-75b9-4c57-bc9a-62b75fce0129 with nextest profile: ci_gammaloop
  21. 24.32 s gammaloop-nextest-python-api> Starting 5 tests across 1 binary
  22. 24.84 s gammaloop-nextest-python-api> FAIL [ 0.512s] (2/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  23. 24.84 s gammaloop-nextest-python-api> stdout ---
  24. 24.84 s gammaloop-nextest-python-api>
  25. 24.84 s gammaloop-nextest-python-api> running 1 test
  26. 24.84 s gammaloop-nextest-python-api> test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  27. 24.84 s gammaloop-nextest-python-api>
  28. 24.84 s gammaloop-nextest-python-api> failures:
  29. 24.84 s gammaloop-nextest-python-api>
  30. 24.84 s gammaloop-nextest-python-api> failures:
  31. 24.84 s gammaloop-nextest-python-api> python_evaluate_sample_honors_generate_events_and_observable_snapshots
  32. 24.84 s gammaloop-nextest-python-api>
  33. 24.84 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.51s
  34. 24.84 s gammaloop-nextest-python-api>
  35. 24.84 s gammaloop-nextest-python-api> stderr ---
  36. 24.84 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  37. 24.84 s gammaloop-nextest-python-api> stdout:
  38. 24.84 s gammaloop-nextest-python-api>
  39. 24.84 s gammaloop-nextest-python-api> stderr:
  40. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.563] @gammaloop_api::se... INFO : Running command import model sm-default
  41. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.564] @import::model INFO : Loading built-in JSON model sm-default
  42. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  43. 24.84 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  44. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  45. 24.84 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-)
  46. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  47. 24.84 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
  48. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @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]}}'
  49. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  50. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.594] @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
  51. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  52. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  53. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  54. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  55. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  56. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  57. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  58. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  59. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  60. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  61. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.693] @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)
  62. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.693] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  63. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.693] @commands::generate INFO : Generated cross-section 2 graphs.
  64. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.693] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  65. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.694] @gammaloop_api::se... INFO : Running command generate
  66. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.997] @commands::generate INFO :
  67. 24.84 s gammaloop-nextest-python-api> Integrand generation summary
  68. 24.84 s gammaloop-nextest-python-api> peak RAM 101.61 MiB | cores 1
  69. 24.84 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  70. 24.84 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  71. 24.84 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  72. 24.84 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 44ms (50%) │ 20ms (24%) │ 23ms (26%) │ 0ms (0.00%) │
  73. 24.84 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 58ms (31%) │ 59ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  74. 24.84 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  75. 24.84 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 102ms (37%) │ 80ms (29%) │ 92ms (33%) │ 0ms (0.00%) │
  76. 24.84 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  77. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.998] @gammaloop_api::se... INFO : Running command set process string '
  78. 24.84 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  79. 24.84 s gammaloop-nextest-python-api> type = "jet"
  80. 24.84 s gammaloop-nextest-python-api> quantity = "PT"
  81. 24.84 s gammaloop-nextest-python-api> dR = 0.4
  82. 24.84 s gammaloop-nextest-python-api> [...]
  83. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.999] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  84. 24.84 s gammaloop-nextest-python-api> The application panicked (crashed).
  85. 24.84 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  86. 24.84 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  87. 24.84 s gammaloop-nextest-python-api>
  88. 24.84 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  89. 24.84 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  90. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  91. 24.84 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  92. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  93. 24.84 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  94. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  95. 24.84 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  96. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  97. 24.84 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  98. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  99. 24.84 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  100. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  101. 24.84 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  102. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  103. 24.84 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  104. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  105. 24.84 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>
  106. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  107. 24.84 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>
  108. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  109. 24.84 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  110. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  111. 24.84 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  112. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  113. 24.84 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  114. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  115. 24.84 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  116. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  117. 24.84 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  118. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  119. 24.84 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  120. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  121. 24.84 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>
  122. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  123. 24.84 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>
  124. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  125. 24.84 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  126. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  127. 24.84 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  128. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  129. 24.84 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  130. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  131. 24.84 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  132. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  133. 24.84 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  134. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  135. 24.84 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  136. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  137. 24.84 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  138. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  139. 24.84 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  140. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  141. 24.84 s gammaloop-nextest-python-api> 27: _start<unknown>
  142. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  143. 24.84 s gammaloop-nextest-python-api>
  144. 24.84 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  145. 24.84 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  146. 24.84 s gammaloop-nextest-python-api> Traceback (most recent call last):
  147. 24.84 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  148. 24.84 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  149. 24.84 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  150. 24.84 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  151. 24.84 s gammaloop-nextest-python-api>
  152. 24.84 s gammaloop-nextest-python-api>
  153. 24.84 s gammaloop-nextest-python-api> Location:
  154. 24.84 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  155. 24.84 s gammaloop-nextest-python-api>
  156. 24.84 s gammaloop-nextest-python-api> FAIL [ 0.516s] (4/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  157. 24.84 s gammaloop-nextest-python-api> stdout ---
  158. 24.84 s gammaloop-nextest-python-api>
  159. 24.84 s gammaloop-nextest-python-api> running 1 test
  160. 24.84 s gammaloop-nextest-python-api> test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  161. 24.84 s gammaloop-nextest-python-api>
  162. 24.84 s gammaloop-nextest-python-api> failures:
  163. 24.84 s gammaloop-nextest-python-api>
  164. 24.84 s gammaloop-nextest-python-api> failures:
  165. 24.84 s gammaloop-nextest-python-api> python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  166. 24.84 s gammaloop-nextest-python-api>
  167. 24.84 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.51s
  168. 24.84 s gammaloop-nextest-python-api>
  169. 24.84 s gammaloop-nextest-python-api> stderr ---
  170. 24.84 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  171. 24.84 s gammaloop-nextest-python-api> stdout:
  172. 24.84 s gammaloop-nextest-python-api>
  173. 24.84 s gammaloop-nextest-python-api> stderr:
  174. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.565] @gammaloop_api::se... INFO : Running command import model sm-default
  175. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.565] @import::model INFO : Loading built-in JSON model sm-default
  176. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  177. 24.84 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  178. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  179. 24.84 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-)
  180. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  181. 24.84 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
  182. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @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]}}'
  183. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  184. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.594] @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
  185. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  186. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  187. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  188. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  189. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  190. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  191. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  192. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  193. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  194. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.600] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  195. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.696] @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)
  196. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.696] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  197. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.696] @commands::generate INFO : Generated cross-section 2 graphs.
  198. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.696] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  199. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.697] @gammaloop_api::se... INFO : Running command generate
  200. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:49.000] @commands::generate INFO :
  201. 24.84 s gammaloop-nextest-python-api> Integrand generation summary
  202. 24.84 s gammaloop-nextest-python-api> peak RAM 101.98 MiB | cores 1
  203. 24.84 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  204. 24.84 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  205. 24.84 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  206. 24.84 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 37ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  207. 24.84 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  208. 24.84 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  209. 24.84 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 92ms (34%) │ 0ms (0.00%) │
  210. 24.84 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  211. 24.84 s gammaloop-nextest-python-api> [2026-09-14 04:22:49.001] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  212. 24.84 s gammaloop-nextest-python-api> The application panicked (crashed).
  213. 24.84 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  214. 24.84 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  215. 24.84 s gammaloop-nextest-python-api>
  216. 24.84 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  217. 24.84 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  218. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  219. 24.84 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  220. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  221. 24.84 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  222. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  223. 24.84 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  224. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  225. 24.84 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  226. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  227. 24.84 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  228. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  229. 24.84 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  230. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  231. 24.84 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  232. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  233. 24.84 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>
  234. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  235. 24.84 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>
  236. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  237. 24.84 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  238. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  239. 24.84 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  240. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  241. 24.84 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  242. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  243. 24.84 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  244. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  245. 24.84 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  246. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  247. 24.84 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  248. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  249. 24.84 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>
  250. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  251. 24.84 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>
  252. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  253. 24.84 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  254. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  255. 24.84 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  256. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  257. 24.84 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  258. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  259. 24.84 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  260. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  261. 24.84 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  262. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  263. 24.84 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  264. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  265. 24.84 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  266. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  267. 24.84 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  268. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  269. 24.84 s gammaloop-nextest-python-api> 27: _start<unknown>
  270. 24.84 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  271. 24.84 s gammaloop-nextest-python-api>
  272. 24.84 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  273. 24.84 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  274. 24.84 s gammaloop-nextest-python-api> Traceback (most recent call last):
  275. 24.84 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  276. 24.84 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  277. 24.84 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  278. 24.84 s gammaloop-nextest-python-api>
  279. 24.84 s gammaloop-nextest-python-api>
  280. 24.84 s gammaloop-nextest-python-api> Location:
  281. 24.84 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  282. 24.84 s gammaloop-nextest-python-api>
  283. 24.94 s gammaloop-nextest-python-api> FAIL [ 0.614s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  284. 24.94 s gammaloop-nextest-python-api> stdout ---
  285. 24.94 s gammaloop-nextest-python-api>
  286. 24.94 s gammaloop-nextest-python-api> running 1 test
  287. 24.94 s gammaloop-nextest-python-api> test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  288. 24.94 s gammaloop-nextest-python-api>
  289. 24.94 s gammaloop-nextest-python-api> failures:
  290. 24.94 s gammaloop-nextest-python-api>
  291. 24.94 s gammaloop-nextest-python-api> failures:
  292. 24.94 s gammaloop-nextest-python-api> python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  293. 24.94 s gammaloop-nextest-python-api>
  294. 24.94 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.61s
  295. 24.94 s gammaloop-nextest-python-api>
  296. 24.94 s gammaloop-nextest-python-api> stderr ---
  297. 24.94 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  298. 24.94 s gammaloop-nextest-python-api> stdout:
  299. 24.94 s gammaloop-nextest-python-api>
  300. 24.94 s gammaloop-nextest-python-api> stderr:
  301. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.565] @gammaloop_api::se... INFO : Running command import model sm-default
  302. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.565] @import::model INFO : Loading built-in JSON model sm-default
  303. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  304. 24.94 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  305. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  306. 24.94 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  307. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  308. 24.94 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  309. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @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]}}'
  310. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  311. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.594] @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
  312. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  313. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  314. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  315. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  316. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  317. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  318. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  319. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  320. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  321. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  322. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.698] @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)
  323. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.698] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  324. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.698] @commands::generate INFO : Generated cross-section 2 graphs.
  325. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.698] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  326. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.699] @gammaloop_api::se... INFO : Running command generate
  327. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:49.002] @commands::generate INFO :
  328. 24.94 s gammaloop-nextest-python-api> Integrand generation summary
  329. 24.94 s gammaloop-nextest-python-api> peak RAM 101.77 MiB | cores 1
  330. 24.94 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  331. 24.94 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  332. 24.94 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  333. 24.94 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 38ms (46%) │ 22ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  334. 24.94 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 63ms (33%) │ 59ms (31%) │ 68ms (36%) │ 0ms (0.00%) │
  335. 24.94 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  336. 24.94 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 102ms (37%) │ 81ms (29%) │ 91ms (33%) │ 0ms (0.00%) │
  337. 24.94 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  338. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:49.003] @gammaloop_api::se... INFO : Running command set process string '
  339. 24.94 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  340. 24.94 s gammaloop-nextest-python-api> type = "jet"
  341. 24.94 s gammaloop-nextest-python-api> quantity = "PT"
  342. 24.94 s gammaloop-nextest-python-api> dR = 0.4
  343. 24.94 s gammaloop-nextest-python-api> [...]
  344. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:49.004] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  345. 24.94 s gammaloop-nextest-python-api> The application panicked (crashed).
  346. 24.94 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  347. 24.94 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  348. 24.94 s gammaloop-nextest-python-api>
  349. 24.94 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  350. 24.94 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  351. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  352. 24.94 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  353. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  354. 24.94 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  355. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  356. 24.94 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  357. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  358. 24.94 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  359. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  360. 24.94 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  361. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  362. 24.94 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  363. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  364. 24.94 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  365. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  366. 24.94 s gammaloop-nextest-python-api> 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  367. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  368. 24.94 s gammaloop-nextest-python-api> 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  369. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  370. 24.94 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  371. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  372. 24.94 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  373. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  374. 24.94 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  375. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  376. 24.94 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  377. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  378. 24.94 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  379. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  380. 24.94 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  381. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  382. 24.94 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>
  383. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  384. 24.94 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>
  385. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  386. 24.94 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  387. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  388. 24.94 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  389. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  390. 24.94 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  391. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  392. 24.94 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  393. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  394. 24.94 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  395. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  396. 24.94 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  397. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  398. 24.94 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  399. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  400. 24.94 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  401. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  402. 24.94 s gammaloop-nextest-python-api> 27: _start<unknown>
  403. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  404. 24.94 s gammaloop-nextest-python-api>
  405. 24.94 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  406. 24.94 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  407. 24.94 s gammaloop-nextest-python-api> Traceback (most recent call last):
  408. 24.94 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  409. 24.94 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  410. 24.94 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  411. 24.94 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  412. 24.94 s gammaloop-nextest-python-api>
  413. 24.94 s gammaloop-nextest-python-api>
  414. 24.94 s gammaloop-nextest-python-api> Location:
  415. 24.94 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  416. 24.94 s gammaloop-nextest-python-api>
  417. 24.94 s gammaloop-nextest-python-api> ------------
  418. 24.94 s gammaloop-nextest-python-api> Summary [ 0.615s] 5 tests run: 2 passed, 3 failed, 0 skipped
  419. 24.94 s gammaloop-nextest-python-api> FAIL [ 0.512s] (2/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  420. 24.94 s gammaloop-nextest-python-api> stdout ---
  421. 24.94 s gammaloop-nextest-python-api>
  422. 24.94 s gammaloop-nextest-python-api> running 1 test
  423. 24.94 s gammaloop-nextest-python-api> test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  424. 24.94 s gammaloop-nextest-python-api>
  425. 24.94 s gammaloop-nextest-python-api> failures:
  426. 24.94 s gammaloop-nextest-python-api>
  427. 24.94 s gammaloop-nextest-python-api> failures:
  428. 24.94 s gammaloop-nextest-python-api> python_evaluate_sample_honors_generate_events_and_observable_snapshots
  429. 24.94 s gammaloop-nextest-python-api>
  430. 24.94 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.51s
  431. 24.94 s gammaloop-nextest-python-api>
  432. 24.94 s gammaloop-nextest-python-api> stderr ---
  433. 24.94 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  434. 24.94 s gammaloop-nextest-python-api> stdout:
  435. 24.94 s gammaloop-nextest-python-api>
  436. 24.94 s gammaloop-nextest-python-api> stderr:
  437. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.563] @gammaloop_api::se... INFO : Running command import model sm-default
  438. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.564] @import::model INFO : Loading built-in JSON model sm-default
  439. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  440. 24.94 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  441. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  442. 24.94 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  443. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  444. 24.94 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  445. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @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]}}'
  446. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  447. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.594] @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
  448. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  449. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  450. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  451. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  452. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  453. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  454. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  455. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  456. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  457. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  458. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.693] @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)
  459. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.693] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  460. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.693] @commands::generate INFO : Generated cross-section 2 graphs.
  461. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.693] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  462. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.694] @gammaloop_api::se... INFO : Running command generate
  463. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.997] @commands::generate INFO :
  464. 24.94 s gammaloop-nextest-python-api> Integrand generation summary
  465. 24.94 s gammaloop-nextest-python-api> peak RAM 101.61 MiB | cores 1
  466. 24.94 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  467. 24.94 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  468. 24.94 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  469. 24.94 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 44ms (50%) │ 20ms (24%) │ 23ms (26%) │ 0ms (0.00%) │
  470. 24.94 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 58ms (31%) │ 59ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  471. 24.94 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  472. 24.94 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 102ms (37%) │ 80ms (29%) │ 92ms (33%) │ 0ms (0.00%) │
  473. 24.94 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  474. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.998] @gammaloop_api::se... INFO : Running command set process string '
  475. 24.94 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  476. 24.94 s gammaloop-nextest-python-api> type = "jet"
  477. 24.94 s gammaloop-nextest-python-api> quantity = "PT"
  478. 24.94 s gammaloop-nextest-python-api> dR = 0.4
  479. 24.94 s gammaloop-nextest-python-api> [...]
  480. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.999] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  481. 24.94 s gammaloop-nextest-python-api> The application panicked (crashed).
  482. 24.94 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  483. 24.94 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  484. 24.94 s gammaloop-nextest-python-api>
  485. 24.94 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  486. 24.94 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  487. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  488. 24.94 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  489. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  490. 24.94 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  491. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  492. 24.94 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  493. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  494. 24.94 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  495. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  496. 24.94 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  497. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  498. 24.94 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  499. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  500. 24.94 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  501. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  502. 24.94 s gammaloop-nextest-python-api> 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  503. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  504. 24.94 s gammaloop-nextest-python-api> 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  505. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  506. 24.94 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  507. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  508. 24.94 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  509. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  510. 24.94 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  511. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  512. 24.94 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  513. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  514. 24.94 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  515. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  516. 24.94 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  517. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  518. 24.94 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>
  519. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  520. 24.94 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>
  521. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  522. 24.94 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  523. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  524. 24.94 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  525. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  526. 24.94 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  527. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  528. 24.94 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  529. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  530. 24.94 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  531. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  532. 24.94 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  533. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  534. 24.94 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  535. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  536. 24.94 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  537. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  538. 24.94 s gammaloop-nextest-python-api> 27: _start<unknown>
  539. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  540. 24.94 s gammaloop-nextest-python-api>
  541. 24.94 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  542. 24.94 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  543. 24.94 s gammaloop-nextest-python-api> Traceback (most recent call last):
  544. 24.94 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  545. 24.94 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  546. 24.94 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  547. 24.94 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  548. 24.94 s gammaloop-nextest-python-api>
  549. 24.94 s gammaloop-nextest-python-api>
  550. 24.94 s gammaloop-nextest-python-api> Location:
  551. 24.94 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  552. 24.94 s gammaloop-nextest-python-api>
  553. 24.94 s gammaloop-nextest-python-api> FAIL [ 0.516s] (4/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  554. 24.94 s gammaloop-nextest-python-api> stdout ---
  555. 24.94 s gammaloop-nextest-python-api>
  556. 24.94 s gammaloop-nextest-python-api> running 1 test
  557. 24.94 s gammaloop-nextest-python-api> test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  558. 24.94 s gammaloop-nextest-python-api>
  559. 24.94 s gammaloop-nextest-python-api> failures:
  560. 24.94 s gammaloop-nextest-python-api>
  561. 24.94 s gammaloop-nextest-python-api> failures:
  562. 24.94 s gammaloop-nextest-python-api> python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  563. 24.94 s gammaloop-nextest-python-api>
  564. 24.94 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.51s
  565. 24.94 s gammaloop-nextest-python-api>
  566. 24.94 s gammaloop-nextest-python-api> stderr ---
  567. 24.94 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  568. 24.94 s gammaloop-nextest-python-api> stdout:
  569. 24.94 s gammaloop-nextest-python-api>
  570. 24.94 s gammaloop-nextest-python-api> stderr:
  571. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.565] @gammaloop_api::se... INFO : Running command import model sm-default
  572. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.565] @import::model INFO : Loading built-in JSON model sm-default
  573. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  574. 24.94 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  575. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  576. 24.94 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  577. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  578. 24.94 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  579. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @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]}}'
  580. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  581. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.594] @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
  582. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  583. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  584. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  585. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  586. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  587. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  588. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  589. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  590. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  591. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.600] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  592. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.696] @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)
  593. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.696] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  594. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.696] @commands::generate INFO : Generated cross-section 2 graphs.
  595. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.696] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  596. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.697] @gammaloop_api::se... INFO : Running command generate
  597. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:49.000] @commands::generate INFO :
  598. 24.94 s gammaloop-nextest-python-api> Integrand generation summary
  599. 24.94 s gammaloop-nextest-python-api> peak RAM 101.98 MiB | cores 1
  600. 24.94 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  601. 24.94 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  602. 24.94 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  603. 24.94 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 37ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  604. 24.94 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  605. 24.94 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  606. 24.94 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 92ms (34%) │ 0ms (0.00%) │
  607. 24.94 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  608. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:49.001] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  609. 24.94 s gammaloop-nextest-python-api> The application panicked (crashed).
  610. 24.94 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  611. 24.94 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  612. 24.94 s gammaloop-nextest-python-api>
  613. 24.94 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  614. 24.94 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  615. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  616. 24.94 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  617. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  618. 24.94 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  619. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  620. 24.94 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  621. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  622. 24.94 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  623. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  624. 24.94 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  625. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  626. 24.94 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  627. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  628. 24.94 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  629. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  630. 24.94 s gammaloop-nextest-python-api> 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  631. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  632. 24.94 s gammaloop-nextest-python-api> 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  633. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  634. 24.94 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  635. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  636. 24.94 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  637. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  638. 24.94 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  639. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  640. 24.94 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  641. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  642. 24.94 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  643. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  644. 24.94 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  645. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  646. 24.94 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>
  647. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  648. 24.94 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>
  649. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  650. 24.94 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  651. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  652. 24.94 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  653. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  654. 24.94 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  655. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  656. 24.94 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  657. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  658. 24.94 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  659. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  660. 24.94 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  661. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  662. 24.94 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  663. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  664. 24.94 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  665. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  666. 24.94 s gammaloop-nextest-python-api> 27: _start<unknown>
  667. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  668. 24.94 s gammaloop-nextest-python-api>
  669. 24.94 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  670. 24.94 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  671. 24.94 s gammaloop-nextest-python-api> Traceback (most recent call last):
  672. 24.94 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  673. 24.94 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  674. 24.94 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  675. 24.94 s gammaloop-nextest-python-api>
  676. 24.94 s gammaloop-nextest-python-api>
  677. 24.94 s gammaloop-nextest-python-api> Location:
  678. 24.94 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  679. 24.94 s gammaloop-nextest-python-api>
  680. 24.94 s gammaloop-nextest-python-api> FAIL [ 0.614s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  681. 24.94 s gammaloop-nextest-python-api> stdout ---
  682. 24.94 s gammaloop-nextest-python-api>
  683. 24.94 s gammaloop-nextest-python-api> running 1 test
  684. 24.94 s gammaloop-nextest-python-api> test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  685. 24.94 s gammaloop-nextest-python-api>
  686. 24.94 s gammaloop-nextest-python-api> failures:
  687. 24.94 s gammaloop-nextest-python-api>
  688. 24.94 s gammaloop-nextest-python-api> failures:
  689. 24.94 s gammaloop-nextest-python-api> python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  690. 24.94 s gammaloop-nextest-python-api>
  691. 24.94 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.61s
  692. 24.94 s gammaloop-nextest-python-api>
  693. 24.94 s gammaloop-nextest-python-api> stderr ---
  694. 24.94 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  695. 24.94 s gammaloop-nextest-python-api> stdout:
  696. 24.94 s gammaloop-nextest-python-api>
  697. 24.94 s gammaloop-nextest-python-api> stderr:
  698. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.565] @gammaloop_api::se... INFO : Running command import model sm-default
  699. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.565] @import::model INFO : Loading built-in JSON model sm-default
  700. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  701. 24.94 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  702. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  703. 24.94 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  704. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  705. 24.94 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  706. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @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]}}'
  707. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  708. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.594] @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
  709. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  710. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  711. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  712. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  713. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  714. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  715. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  716. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  717. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  718. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  719. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.698] @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)
  720. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.698] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  721. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.698] @commands::generate INFO : Generated cross-section 2 graphs.
  722. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.698] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  723. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.699] @gammaloop_api::se... INFO : Running command generate
  724. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:49.002] @commands::generate INFO :
  725. 24.94 s gammaloop-nextest-python-api> Integrand generation summary
  726. 24.94 s gammaloop-nextest-python-api> peak RAM 101.77 MiB | cores 1
  727. 24.94 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  728. 24.94 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  729. 24.94 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  730. 24.94 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 38ms (46%) │ 22ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  731. 24.94 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 63ms (33%) │ 59ms (31%) │ 68ms (36%) │ 0ms (0.00%) │
  732. 24.94 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  733. 24.94 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 102ms (37%) │ 81ms (29%) │ 91ms (33%) │ 0ms (0.00%) │
  734. 24.94 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  735. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:49.003] @gammaloop_api::se... INFO : Running command set process string '
  736. 24.94 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  737. 24.94 s gammaloop-nextest-python-api> type = "jet"
  738. 24.94 s gammaloop-nextest-python-api> quantity = "PT"
  739. 24.94 s gammaloop-nextest-python-api> dR = 0.4
  740. 24.94 s gammaloop-nextest-python-api> [...]
  741. 24.94 s gammaloop-nextest-python-api> [2026-09-14 04:22:49.004] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  742. 24.94 s gammaloop-nextest-python-api> The application panicked (crashed).
  743. 24.94 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  744. 24.94 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  745. 24.94 s gammaloop-nextest-python-api>
  746. 24.94 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  747. 24.94 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  748. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  749. 24.94 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  750. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  751. 24.94 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  752. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  753. 24.94 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  754. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  755. 24.94 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  756. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  757. 24.94 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  758. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  759. 24.94 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  760. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  761. 24.94 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  762. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  763. 24.94 s gammaloop-nextest-python-api> 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  764. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  765. 24.94 s gammaloop-nextest-python-api> 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  766. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  767. 24.94 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  768. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  769. 24.94 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  770. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  771. 24.94 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  772. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  773. 24.94 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  774. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  775. 24.94 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  776. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  777. 24.94 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  778. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  779. 24.94 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>
  780. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  781. 24.94 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>
  782. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  783. 24.94 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  784. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  785. 24.94 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  786. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  787. 24.94 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  788. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  789. 24.94 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  790. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  791. 24.94 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  792. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  793. 24.94 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  794. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  795. 24.94 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  796. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  797. 24.94 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  798. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  799. 24.94 s gammaloop-nextest-python-api> 27: _start<unknown>
  800. 24.94 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  801. 24.94 s gammaloop-nextest-python-api>
  802. 24.94 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  803. 24.94 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  804. 24.94 s gammaloop-nextest-python-api> Traceback (most recent call last):
  805. 24.94 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  806. 24.94 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  807. 24.94 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  808. 24.94 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  809. 24.94 s gammaloop-nextest-python-api>
  810. 24.94 s gammaloop-nextest-python-api>
  811. 24.94 s gammaloop-nextest-python-api> Location:
  812. 24.94 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  813. 24.94 s gammaloop-nextest-python-api>
  814. 24.95 s gammaloop-nextest-python-api> error: test run failed
  815. 24.98 s gammaloop-nextest-python-api>
  816. 24.98 s gammaloop-nextest-python-api> ========== nextest test summary ==========
  817. 24.98 s gammaloop-nextest-python-api> report: target/nextest/ci_gammaloop/junit.xml
  818. 24.98 s gammaloop-nextest-python-api> tests: 5, failures: 3, errors: 0
  819. 24.98 s gammaloop-nextest-python-api>
  820. 24.98 s gammaloop-nextest-python-api> 1. gammaloop-integration-tests::test_python_api::python_evaluate_sample_honors_generate_events_and_observable_snapshots
  821. 24.98 s gammaloop-nextest-python-api> failure: test failure with exit code 101
  822. 24.98 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  823. 24.98 s gammaloop-nextest-python-api> stdout:
  824. 24.98 s gammaloop-nextest-python-api>
  825. 24.98 s gammaloop-nextest-python-api> stderr:
  826. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.563] @gammaloop_api::se... INFO : Running command import model sm-default
  827. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.564] @import::model INFO : Loading built-in JSON model sm-default
  828. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  829. 24.98 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  830. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  831. 24.98 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  832. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  833. 24.98 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  834. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @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]}}'
  835. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  836. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.594] @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
  837. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  838. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  839. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  840. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  841. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  842. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  843. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  844. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  845. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  846. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  847. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.693] @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)
  848. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.693] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  849. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.693] @commands::generate INFO : Generated cross-section 2 graphs.
  850. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.693] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  851. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.694] @gammaloop_api::se... INFO : Running command generate
  852. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.997] @commands::generate INFO :
  853. 24.98 s gammaloop-nextest-python-api> Integrand generation summary
  854. 24.98 s gammaloop-nextest-python-api> peak RAM 101.61 MiB | cores 1
  855. 24.98 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  856. 24.98 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  857. 24.98 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  858. 24.98 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 44ms (50%) │ 20ms (24%) │ 23ms (26%) │ 0ms (0.00%) │
  859. 24.98 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 58ms (31%) │ 59ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  860. 24.98 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  861. 24.98 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 102ms (37%) │ 80ms (29%) │ 92ms (33%) │ 0ms (0.00%) │
  862. 24.98 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  863. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.998] @gammaloop_api::se... INFO : Running command set process string '
  864. 24.98 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  865. 24.98 s gammaloop-nextest-python-api> type = "jet"
  866. 24.98 s gammaloop-nextest-python-api> quantity = "PT"
  867. 24.98 s gammaloop-nextest-python-api> dR = 0.4
  868. 24.98 s gammaloop-nextest-python-api> [...]
  869. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.999] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  870. 24.98 s gammaloop-nextest-python-api> The application panicked (crashed).
  871. 24.98 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  872. 24.98 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  873. 24.98 s gammaloop-nextest-python-api>
  874. 24.98 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  875. 24.98 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  876. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  877. 24.98 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  878. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  879. 24.98 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  880. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  881. 24.98 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  882. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  883. 24.98 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  884. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  885. 24.98 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  886. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  887. 24.98 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  888. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  889. 24.98 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  890. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  891. 24.98 s gammaloop-nextest-python-api> 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  892. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  893. 24.98 s gammaloop-nextest-python-api> 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  894. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  895. 24.98 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  896. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  897. 24.98 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  898. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  899. 24.98 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  900. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  901. 24.98 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  902. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  903. 24.98 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  904. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  905. 24.98 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  906. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  907. 24.98 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>
  908. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  909. 24.98 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>
  910. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  911. 24.98 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  912. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  913. 24.98 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  914. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  915. 24.98 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  916. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  917. 24.98 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  918. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  919. 24.98 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  920. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  921. 24.98 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  922. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  923. 24.98 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  924. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  925. 24.98 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  926. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  927. 24.98 s gammaloop-nextest-python-api> 27: _start<unknown>
  928. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  929. 24.98 s gammaloop-nextest-python-api>
  930. 24.98 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  931. 24.98 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  932. 24.98 s gammaloop-nextest-python-api> Traceback (most recent call last):
  933. 24.98 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  934. 24.98 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  935. 24.98 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  936. 24.98 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  937. 24.98 s gammaloop-nextest-python-api>
  938. 24.98 s gammaloop-nextest-python-api>
  939. 24.98 s gammaloop-nextest-python-api> Location:
  940. 24.98 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  941. 24.98 s gammaloop-nextest-python-api> system-out
  942. 24.98 s gammaloop-nextest-python-api> running 1 test
  943. 24.98 s gammaloop-nextest-python-api> test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  944. 24.98 s gammaloop-nextest-python-api>
  945. 24.98 s gammaloop-nextest-python-api> failures:
  946. 24.98 s gammaloop-nextest-python-api>
  947. 24.98 s gammaloop-nextest-python-api> failures:
  948. 24.98 s gammaloop-nextest-python-api> python_evaluate_sample_honors_generate_events_and_observable_snapshots
  949. 24.98 s gammaloop-nextest-python-api>
  950. 24.98 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.51s
  951. 24.98 s gammaloop-nextest-python-api> system-err
  952. 24.98 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  953. 24.98 s gammaloop-nextest-python-api> stdout:
  954. 24.98 s gammaloop-nextest-python-api>
  955. 24.98 s gammaloop-nextest-python-api> stderr:
  956. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.563] @gammaloop_api::se... INFO : Running command import model sm-default
  957. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.564] @import::model INFO : Loading built-in JSON model sm-default
  958. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  959. 24.98 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  960. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  961. 24.98 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  962. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  963. 24.98 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  964. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @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]}}'
  965. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  966. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.594] @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
  967. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  968. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  969. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  970. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  971. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  972. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  973. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  974. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  975. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  976. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  977. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.693] @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)
  978. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.693] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  979. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.693] @commands::generate INFO : Generated cross-section 2 graphs.
  980. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.693] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  981. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.694] @gammaloop_api::se... INFO : Running command generate
  982. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.997] @commands::generate INFO :
  983. 24.98 s gammaloop-nextest-python-api> Integrand generation summary
  984. 24.98 s gammaloop-nextest-python-api> peak RAM 101.61 MiB | cores 1
  985. 24.98 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  986. 24.98 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  987. 24.98 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  988. 24.98 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 44ms (50%) │ 20ms (24%) │ 23ms (26%) │ 0ms (0.00%) │
  989. 24.98 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 58ms (31%) │ 59ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  990. 24.98 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  991. 24.98 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 102ms (37%) │ 80ms (29%) │ 92ms (33%) │ 0ms (0.00%) │
  992. 24.98 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  993. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.998] @gammaloop_api::se... INFO : Running command set process string '
  994. 24.98 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  995. 24.98 s gammaloop-nextest-python-api> type = "jet"
  996. 24.98 s gammaloop-nextest-python-api> quantity = "PT"
  997. 24.98 s gammaloop-nextest-python-api> dR = 0.4
  998. 24.98 s gammaloop-nextest-python-api> [...]
  999. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.999] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  1000. 24.98 s gammaloop-nextest-python-api> The application panicked (crashed).
  1001. 24.98 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1002. 24.98 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1003. 24.98 s gammaloop-nextest-python-api>
  1004. 24.98 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1005. 24.98 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1006. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1007. 24.98 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1008. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1009. 24.98 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1010. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1011. 24.98 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1012. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1013. 24.98 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1014. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1015. 24.98 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1016. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1017. 24.98 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1018. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1019. 24.98 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1020. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1021. 24.98 s gammaloop-nextest-python-api> 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  1022. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1023. 24.98 s gammaloop-nextest-python-api> 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  1024. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1025. 24.98 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1026. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1027. 24.98 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1028. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1029. 24.98 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1030. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1031. 24.98 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1032. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1033. 24.98 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1034. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1035. 24.98 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1036. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1037. 24.98 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>
  1038. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1039. 24.98 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>
  1040. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1041. 24.98 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1042. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1043. 24.98 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1044. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1045. 24.98 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  1046. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1047. 24.98 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  1048. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1049. 24.98 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  1050. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1051. 24.98 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  1052. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1053. 24.98 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  1054. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1055. 24.98 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  1056. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1057. 24.98 s gammaloop-nextest-python-api> 27: _start<unknown>
  1058. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1059. 24.98 s gammaloop-nextest-python-api>
  1060. 24.98 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1061. 24.98 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1062. 24.98 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1063. 24.98 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  1064. 24.98 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  1065. 24.98 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  1066. 24.98 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1067. 24.98 s gammaloop-nextest-python-api>
  1068. 24.98 s gammaloop-nextest-python-api>
  1069. 24.98 s gammaloop-nextest-python-api> Location:
  1070. 24.98 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1071. 24.98 s gammaloop-nextest-python-api>
  1072. 24.98 s gammaloop-nextest-python-api> 2. gammaloop-integration-tests::test_python_api::python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1073. 24.98 s gammaloop-nextest-python-api> failure: test failure with exit code 101
  1074. 24.98 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1075. 24.98 s gammaloop-nextest-python-api> stdout:
  1076. 24.98 s gammaloop-nextest-python-api>
  1077. 24.98 s gammaloop-nextest-python-api> stderr:
  1078. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.565] @gammaloop_api::se... INFO : Running command import model sm-default
  1079. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.565] @import::model INFO : Loading built-in JSON model sm-default
  1080. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1081. 24.98 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1082. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1083. 24.98 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  1084. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1085. 24.98 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  1086. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @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]}}'
  1087. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1088. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.594] @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
  1089. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1090. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1091. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1092. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1093. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1094. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1095. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1096. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1097. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1098. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.600] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1099. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.696] @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)
  1100. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.696] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1101. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.696] @commands::generate INFO : Generated cross-section 2 graphs.
  1102. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.696] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1103. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.697] @gammaloop_api::se... INFO : Running command generate
  1104. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:49.000] @commands::generate INFO :
  1105. 24.98 s gammaloop-nextest-python-api> Integrand generation summary
  1106. 24.98 s gammaloop-nextest-python-api> peak RAM 101.98 MiB | cores 1
  1107. 24.98 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1108. 24.98 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1109. 24.98 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1110. 24.98 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 37ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  1111. 24.98 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  1112. 24.98 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1113. 24.98 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 92ms (34%) │ 0ms (0.00%) │
  1114. 24.98 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1115. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:49.001] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  1116. 24.98 s gammaloop-nextest-python-api> The application panicked (crashed).
  1117. 24.98 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1118. 24.98 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1119. 24.98 s gammaloop-nextest-python-api>
  1120. 24.98 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1121. 24.98 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1122. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1123. 24.98 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1124. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1125. 24.98 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1126. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1127. 24.98 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1128. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1129. 24.98 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1130. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1131. 24.98 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1132. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1133. 24.98 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1134. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1135. 24.98 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1136. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1137. 24.98 s gammaloop-nextest-python-api> 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  1138. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1139. 24.98 s gammaloop-nextest-python-api> 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  1140. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1141. 24.98 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1142. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1143. 24.98 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1144. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1145. 24.98 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1146. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1147. 24.98 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1148. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1149. 24.98 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1150. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1151. 24.98 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1152. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1153. 24.98 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>
  1154. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1155. 24.98 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>
  1156. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1157. 24.98 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1158. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1159. 24.98 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1160. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1161. 24.98 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  1162. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1163. 24.98 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  1164. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1165. 24.98 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  1166. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1167. 24.98 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  1168. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1169. 24.98 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  1170. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1171. 24.98 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  1172. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1173. 24.98 s gammaloop-nextest-python-api> 27: _start<unknown>
  1174. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1175. 24.98 s gammaloop-nextest-python-api>
  1176. 24.98 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1177. 24.98 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1178. 24.98 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1179. 24.98 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  1180. 24.98 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  1181. 24.98 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1182. 24.98 s gammaloop-nextest-python-api>
  1183. 24.98 s gammaloop-nextest-python-api>
  1184. 24.98 s gammaloop-nextest-python-api> Location:
  1185. 24.98 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1186. 24.98 s gammaloop-nextest-python-api> system-out
  1187. 24.98 s gammaloop-nextest-python-api> running 1 test
  1188. 24.98 s gammaloop-nextest-python-api> test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  1189. 24.98 s gammaloop-nextest-python-api>
  1190. 24.98 s gammaloop-nextest-python-api> failures:
  1191. 24.98 s gammaloop-nextest-python-api>
  1192. 24.98 s gammaloop-nextest-python-api> failures:
  1193. 24.98 s gammaloop-nextest-python-api> python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1194. 24.98 s gammaloop-nextest-python-api>
  1195. 24.98 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.51s
  1196. 24.98 s gammaloop-nextest-python-api> system-err
  1197. 24.98 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1198. 24.98 s gammaloop-nextest-python-api> stdout:
  1199. 24.98 s gammaloop-nextest-python-api>
  1200. 24.98 s gammaloop-nextest-python-api> stderr:
  1201. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.565] @gammaloop_api::se... INFO : Running command import model sm-default
  1202. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.565] @import::model INFO : Loading built-in JSON model sm-default
  1203. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1204. 24.98 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1205. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1206. 24.98 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  1207. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1208. 24.98 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  1209. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @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]}}'
  1210. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1211. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.594] @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
  1212. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1213. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1214. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1215. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1216. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1217. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1218. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1219. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1220. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1221. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.600] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1222. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.696] @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)
  1223. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.696] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1224. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.696] @commands::generate INFO : Generated cross-section 2 graphs.
  1225. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.696] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1226. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.697] @gammaloop_api::se... INFO : Running command generate
  1227. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:49.000] @commands::generate INFO :
  1228. 24.98 s gammaloop-nextest-python-api> Integrand generation summary
  1229. 24.98 s gammaloop-nextest-python-api> peak RAM 101.98 MiB | cores 1
  1230. 24.98 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1231. 24.98 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1232. 24.98 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1233. 24.98 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 37ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  1234. 24.98 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  1235. 24.98 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1236. 24.98 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 92ms (34%) │ 0ms (0.00%) │
  1237. 24.98 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1238. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:49.001] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  1239. 24.98 s gammaloop-nextest-python-api> The application panicked (crashed).
  1240. 24.98 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1241. 24.98 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1242. 24.98 s gammaloop-nextest-python-api>
  1243. 24.98 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1244. 24.98 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1245. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1246. 24.98 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1247. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1248. 24.98 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1249. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1250. 24.98 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1251. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1252. 24.98 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1253. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1254. 24.98 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1255. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1256. 24.98 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1257. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1258. 24.98 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1259. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1260. 24.98 s gammaloop-nextest-python-api> 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  1261. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1262. 24.98 s gammaloop-nextest-python-api> 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  1263. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1264. 24.98 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1265. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1266. 24.98 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1267. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1268. 24.98 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1269. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1270. 24.98 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1271. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1272. 24.98 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1273. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1274. 24.98 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1275. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1276. 24.98 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>
  1277. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1278. 24.98 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>
  1279. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1280. 24.98 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1281. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1282. 24.98 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1283. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1284. 24.98 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  1285. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1286. 24.98 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  1287. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1288. 24.98 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  1289. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1290. 24.98 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  1291. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1292. 24.98 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  1293. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1294. 24.98 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  1295. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1296. 24.98 s gammaloop-nextest-python-api> 27: _start<unknown>
  1297. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1298. 24.98 s gammaloop-nextest-python-api>
  1299. 24.98 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1300. 24.98 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1301. 24.98 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1302. 24.98 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  1303. 24.98 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  1304. 24.98 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1305. 24.98 s gammaloop-nextest-python-api>
  1306. 24.98 s gammaloop-nextest-python-api>
  1307. 24.98 s gammaloop-nextest-python-api> Location:
  1308. 24.98 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1309. 24.98 s gammaloop-nextest-python-api>
  1310. 24.98 s gammaloop-nextest-python-api> 3. gammaloop-integration-tests::test_python_api::python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1311. 24.98 s gammaloop-nextest-python-api> failure: test failure with exit code 101
  1312. 24.98 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1313. 24.98 s gammaloop-nextest-python-api> stdout:
  1314. 24.98 s gammaloop-nextest-python-api>
  1315. 24.98 s gammaloop-nextest-python-api> stderr:
  1316. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.565] @gammaloop_api::se... INFO : Running command import model sm-default
  1317. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.565] @import::model INFO : Loading built-in JSON model sm-default
  1318. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1319. 24.98 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1320. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1321. 24.98 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  1322. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1323. 24.98 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  1324. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @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]}}'
  1325. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1326. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.594] @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
  1327. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1328. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1329. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1330. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1331. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1332. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1333. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1334. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1335. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1336. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1337. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.698] @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)
  1338. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.698] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1339. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.698] @commands::generate INFO : Generated cross-section 2 graphs.
  1340. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.698] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1341. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.699] @gammaloop_api::se... INFO : Running command generate
  1342. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:49.002] @commands::generate INFO :
  1343. 24.98 s gammaloop-nextest-python-api> Integrand generation summary
  1344. 24.98 s gammaloop-nextest-python-api> peak RAM 101.77 MiB | cores 1
  1345. 24.98 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  1346. 24.98 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1347. 24.98 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  1348. 24.98 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 38ms (46%) │ 22ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  1349. 24.98 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 63ms (33%) │ 59ms (31%) │ 68ms (36%) │ 0ms (0.00%) │
  1350. 24.98 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  1351. 24.98 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 102ms (37%) │ 81ms (29%) │ 91ms (33%) │ 0ms (0.00%) │
  1352. 24.98 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  1353. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:49.003] @gammaloop_api::se... INFO : Running command set process string '
  1354. 24.98 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  1355. 24.98 s gammaloop-nextest-python-api> type = "jet"
  1356. 24.98 s gammaloop-nextest-python-api> quantity = "PT"
  1357. 24.98 s gammaloop-nextest-python-api> dR = 0.4
  1358. 24.98 s gammaloop-nextest-python-api> [...]
  1359. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:49.004] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  1360. 24.98 s gammaloop-nextest-python-api> The application panicked (crashed).
  1361. 24.98 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1362. 24.98 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1363. 24.98 s gammaloop-nextest-python-api>
  1364. 24.98 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1365. 24.98 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1366. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1367. 24.98 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1368. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1369. 24.98 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1370. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1371. 24.98 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1372. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1373. 24.98 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1374. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1375. 24.98 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1376. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1377. 24.98 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1378. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1379. 24.98 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1380. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1381. 24.98 s gammaloop-nextest-python-api> 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  1382. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1383. 24.98 s gammaloop-nextest-python-api> 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  1384. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1385. 24.98 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1386. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1387. 24.98 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1388. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1389. 24.98 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1390. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1391. 24.98 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1392. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1393. 24.98 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  1394. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1395. 24.98 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  1396. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1397. 24.98 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>
  1398. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1399. 24.98 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>
  1400. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1401. 24.98 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1402. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1403. 24.98 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1404. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1405. 24.98 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  1406. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1407. 24.98 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  1408. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1409. 24.98 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  1410. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1411. 24.98 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  1412. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1413. 24.98 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  1414. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1415. 24.98 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  1416. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1417. 24.98 s gammaloop-nextest-python-api> 27: _start<unknown>
  1418. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1419. 24.98 s gammaloop-nextest-python-api>
  1420. 24.98 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1421. 24.98 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1422. 24.98 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1423. 24.98 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  1424. 24.98 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  1425. 24.98 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  1426. 24.98 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1427. 24.98 s gammaloop-nextest-python-api>
  1428. 24.98 s gammaloop-nextest-python-api>
  1429. 24.98 s gammaloop-nextest-python-api> Location:
  1430. 24.98 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1431. 24.98 s gammaloop-nextest-python-api> system-out
  1432. 24.98 s gammaloop-nextest-python-api> running 1 test
  1433. 24.98 s gammaloop-nextest-python-api> test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  1434. 24.98 s gammaloop-nextest-python-api>
  1435. 24.98 s gammaloop-nextest-python-api> failures:
  1436. 24.98 s gammaloop-nextest-python-api>
  1437. 24.98 s gammaloop-nextest-python-api> failures:
  1438. 24.98 s gammaloop-nextest-python-api> python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1439. 24.98 s gammaloop-nextest-python-api>
  1440. 24.98 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.61s
  1441. 24.98 s gammaloop-nextest-python-api> system-err
  1442. 24.98 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1443. 24.98 s gammaloop-nextest-python-api> stdout:
  1444. 24.98 s gammaloop-nextest-python-api>
  1445. 24.98 s gammaloop-nextest-python-api> stderr:
  1446. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.565] @gammaloop_api::se... INFO : Running command import model sm-default
  1447. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.565] @import::model INFO : Loading built-in JSON model sm-default
  1448. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1449. 24.98 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1450. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1451. 24.98 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  1452. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1453. 24.98 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  1454. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.592] @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]}}'
  1455. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1456. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.594] @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
  1457. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1458. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1459. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1460. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1461. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1462. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1463. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1464. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1465. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1466. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1467. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.698] @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)
  1468. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.698] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1469. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.698] @commands::generate INFO : Generated cross-section 2 graphs.
  1470. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.698] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1471. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:48.699] @gammaloop_api::se... INFO : Running command generate
  1472. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:49.002] @commands::generate INFO :
  1473. 24.98 s gammaloop-nextest-python-api> Integrand generation summary
  1474. 24.98 s gammaloop-nextest-python-api> peak RAM 101.77 MiB | cores 1
  1475. 24.98 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  1476. 24.98 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1477. 24.98 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  1478. 24.98 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 38ms (46%) │ 22ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  1479. 24.98 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 63ms (33%) │ 59ms (31%) │ 68ms (36%) │ 0ms (0.00%) │
  1480. 24.98 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  1481. 24.98 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 102ms (37%) │ 81ms (29%) │ 91ms (33%) │ 0ms (0.00%) │
  1482. 24.98 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  1483. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:49.003] @gammaloop_api::se... INFO : Running command set process string '
  1484. 24.98 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  1485. 24.98 s gammaloop-nextest-python-api> type = "jet"
  1486. 24.98 s gammaloop-nextest-python-api> quantity = "PT"
  1487. 24.98 s gammaloop-nextest-python-api> dR = 0.4
  1488. 24.98 s gammaloop-nextest-python-api> [...]
  1489. 24.98 s gammaloop-nextest-python-api> [2026-09-14 04:22:49.004] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  1490. 24.98 s gammaloop-nextest-python-api> The application panicked (crashed).
  1491. 24.98 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1492. 24.98 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1493. 24.98 s gammaloop-nextest-python-api>
  1494. 24.98 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1495. 24.98 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1496. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1497. 24.98 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1498. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1499. 24.98 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1500. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1501. 24.98 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1502. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1503. 24.98 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1504. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1505. 24.98 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1506. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1507. 24.98 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1508. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1509. 24.98 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1510. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1511. 24.98 s gammaloop-nextest-python-api> 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  1512. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1513. 24.98 s gammaloop-nextest-python-api> 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  1514. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1515. 24.98 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1516. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1517. 24.98 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1518. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1519. 24.98 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1520. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1521. 24.98 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1522. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1523. 24.98 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  1524. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1525. 24.98 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  1526. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1527. 24.98 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>
  1528. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1529. 24.98 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>
  1530. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1531. 24.98 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1532. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1533. 24.98 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1534. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1535. 24.98 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  1536. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1537. 24.98 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  1538. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1539. 24.98 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  1540. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1541. 24.98 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  1542. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1543. 24.98 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  1544. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1545. 24.98 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  1546. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1547. 24.98 s gammaloop-nextest-python-api> 27: _start<unknown>
  1548. 24.98 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1549. 24.98 s gammaloop-nextest-python-api>
  1550. 24.98 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1551. 24.98 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1552. 24.98 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1553. 24.98 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  1554. 24.98 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  1555. 24.98 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  1556. 24.98 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1557. 24.98 s gammaloop-nextest-python-api>
  1558. 24.98 s gammaloop-nextest-python-api>
  1559. 24.98 s gammaloop-nextest-python-api> Location:
  1560. 24.98 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1561. 24.98 s gammaloop-nextest-python-api> =========================================
  1562. 25.03 s [0 built (1 failed), 0.0error: Cannot build '/nix/store/66j1x39543kg5dqis2p8an918rhhgklr-gammaloop-nextest-python-api.drv'.
  1563. 25.03 s Reason: builder failed with exit code 100.
  1564. 25.03 s Output paths:
  1565. 25.03 s /nix/store/s33y7x5hwksga696cp2gw27rj28q8ak2-gammaloop-nextest-python-api
  1566. 25.03 s Last 1545 log lines:
  1567. 25.03 s > Extracting 1 binary, 1 build script output directory, and 3 linked paths to /build/nextest-archive-EAX6JB
  1568. 25.03 s > Extracted 18 files to /build/nextest-archive-EAX6JB in 0.06s
  1569. 25.03 s > ------------
  1570. 25.03 s > Nextest run ID 4ed024f1-75b9-4c57-bc9a-62b75fce0129 with nextest profile: ci_gammaloop
  1571. 25.03 s > Starting 5 tests across 1 binary
  1572. 25.03 s > FAIL [ 0.512s] (2/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  1573. 25.03 s > stdout ---
  1574. 25.03 s >
  1575. 25.03 s > running 1 test
  1576. 25.03 s > test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  1577. 25.03 s >
  1578. 25.03 s > failures:
  1579. 25.03 s >
  1580. 25.03 s > failures:
  1581. 25.03 s > python_evaluate_sample_honors_generate_events_and_observable_snapshots
  1582. 25.03 s >
  1583. 25.03 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.51s
  1584. 25.03 s >
  1585. 25.03 s > stderr ---
  1586. 25.03 s > Error: Python API test subprocess failed.
  1587. 25.03 s > stdout:
  1588. 25.03 s >
  1589. 25.03 s > stderr:
  1590. 25.03 s > [2026-09-14 04:22:48.563] @gammaloop_api::se... INFO : Running command import model sm-default
  1591. 25.03 s > [2026-09-14 04:22:48.564] @import::model INFO : Loading built-in JSON model sm-default
  1592. 25.03 s > [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1593. 25.03 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1594. 25.03 s > [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1595. 25.03 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  1596. 25.03 s > [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1597. 25.03 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  1598. 25.03 s > [2026-09-14 04:22:48.592] @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]}}'
  1599. 25.03 s > [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1600. 25.03 s > [2026-09-14 04:22:48.594] @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
  1601. 25.03 s > [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1602. 25.03 s > [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1603. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1604. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1605. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1606. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1607. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1608. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1609. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1610. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1611. 25.03 s > [2026-09-14 04:22:48.693] @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)
  1612. 25.03 s > [2026-09-14 04:22:48.693] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1613. 25.03 s > [2026-09-14 04:22:48.693] @commands::generate INFO : Generated cross-section 2 graphs.
  1614. 25.03 s > [2026-09-14 04:22:48.693] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1615. 25.03 s > [2026-09-14 04:22:48.694] @gammaloop_api::se... INFO : Running command generate
  1616. 25.03 s > [2026-09-14 04:22:48.997] @commands::generate INFO :
  1617. 25.03 s > Integrand generation summary
  1618. 25.03 s > peak RAM 101.61 MiB | cores 1
  1619. 25.03 s > ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  1620. 25.03 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1621. 25.03 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  1622. 25.03 s > │ default │ GL0 │ 3 │ 44ms (50%) │ 20ms (24%) │ 23ms (26%) │ 0ms (0.00%) │
  1623. 25.03 s > │ default │ GL2 │ 5 │ 58ms (31%) │ 59ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  1624. 25.03 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  1625. 25.03 s > │ Total │ │ 8 │ 102ms (37%) │ 80ms (29%) │ 92ms (33%) │ 0ms (0.00%) │
  1626. 25.03 s > ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  1627. 25.03 s > [2026-09-14 04:22:48.998] @gammaloop_api::se... INFO : Running command set process string '
  1628. 25.03 s > [quantities.leading_jet_pt]
  1629. 25.03 s > type = "jet"
  1630. 25.03 s > quantity = "PT"
  1631. 25.03 s > dR = 0.4
  1632. 25.03 s > [...]
  1633. 25.03 s > [2026-09-14 04:22:48.999] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  1634. 25.03 s > The application panicked (crashed).
  1635. 25.03 s > Message: index out of bounds: the len is 0 but the index is 0
  1636. 25.03 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1637. 25.03 s >
  1638. 25.03 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1639. 25.03 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1640. 25.03 s > at <unknown source file>:<unknown line>
  1641. 25.03 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1642. 25.03 s > at <unknown source file>:<unknown line>
  1643. 25.03 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1644. 25.03 s > at <unknown source file>:<unknown line>
  1645. 25.03 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1646. 25.03 s > at <unknown source file>:<unknown line>
  1647. 25.03 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1648. 25.03 s > at <unknown source file>:<unknown line>
  1649. 25.03 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1650. 25.03 s > at <unknown source file>:<unknown line>
  1651. 25.03 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1652. 25.03 s > at <unknown source file>:<unknown line>
  1653. 25.03 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1654. 25.03 s > at <unknown source file>:<unknown line>
  1655. 25.03 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  1656. 25.03 s > at <unknown source file>:<unknown line>
  1657. 25.03 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  1658. 25.03 s > at <unknown source file>:<unknown line>
  1659. 25.03 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1660. 25.03 s > at <unknown source file>:<unknown line>
  1661. 25.03 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1662. 25.03 s > at <unknown source file>:<unknown line>
  1663. 25.03 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1664. 25.03 s > at <unknown source file>:<unknown line>
  1665. 25.03 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1666. 25.03 s > at <unknown source file>:<unknown line>
  1667. 25.03 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1668. 25.03 s > at <unknown source file>:<unknown line>
  1669. 25.03 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1670. 25.03 s > at <unknown source file>:<unknown line>
  1671. 25.03 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1672. 25.03 s > at <unknown source file>:<unknown line>
  1673. 25.03 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>
  1674. 25.03 s > at <unknown source file>:<unknown line>
  1675. 25.03 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1676. 25.03 s > at <unknown source file>:<unknown line>
  1677. 25.03 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1678. 25.03 s > at <unknown source file>:<unknown line>
  1679. 25.03 s > 21: PyEval_EvalCode.localalias<unknown>
  1680. 25.03 s > at <unknown source file>:<unknown line>
  1681. 25.03 s > 22: run_eval_code_obj<unknown>
  1682. 25.03 s > at <unknown source file>:<unknown line>
  1683. 25.03 s > 23: run_mod<unknown>
  1684. 25.03 s > at <unknown source file>:<unknown line>
  1685. 25.03 s > 24: Py_RunMain.localalias<unknown>
  1686. 25.03 s > at <unknown source file>:<unknown line>
  1687. 25.03 s > 25: __libc_start_call_main<unknown>
  1688. 25.03 s > at <unknown source file>:<unknown line>
  1689. 25.03 s > 26: __libc_start_main_alias_2<unknown>
  1690. 25.03 s > at <unknown source file>:<unknown line>
  1691. 25.03 s > 27: _start<unknown>
  1692. 25.03 s > at <unknown source file>:<unknown line>
  1693. 25.03 s >
  1694. 25.03 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1695. 25.03 s > Run with RUST_BACKTRACE=full to include source snippets.
  1696. 25.03 s > Traceback (most recent call last):
  1697. 25.03 s > File "<string>", line 78, in <module>
  1698. 25.03 s > without_events = summarize_result(api.evaluate_sample(point))
  1699. 25.03 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  1700. 25.03 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1701. 25.03 s >
  1702. 25.03 s >
  1703. 25.03 s > Location:
  1704. 25.03 s > tests/tests/test_python_api.rs:156:20
  1705. 25.03 s >
  1706. 25.03 s > FAIL [ 0.516s] (4/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1707. 25.03 s > stdout ---
  1708. 25.03 s >
  1709. 25.03 s > running 1 test
  1710. 25.03 s > test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  1711. 25.03 s >
  1712. 25.03 s > failures:
  1713. 25.03 s >
  1714. 25.03 s > failures:
  1715. 25.03 s > python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1716. 25.03 s >
  1717. 25.03 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.51s
  1718. 25.03 s >
  1719. 25.03 s > stderr ---
  1720. 25.03 s > Error: Python API test subprocess failed.
  1721. 25.03 s > stdout:
  1722. 25.03 s >
  1723. 25.03 s > stderr:
  1724. 25.03 s > [2026-09-14 04:22:48.565] @gammaloop_api::se... INFO : Running command import model sm-default
  1725. 25.03 s > [2026-09-14 04:22:48.565] @import::model INFO : Loading built-in JSON model sm-default
  1726. 25.03 s > [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1727. 25.03 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1728. 25.03 s > [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1729. 25.03 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  1730. 25.03 s > [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1731. 25.03 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  1732. 25.03 s > [2026-09-14 04:22:48.592] @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]}}'
  1733. 25.03 s > [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1734. 25.03 s > [2026-09-14 04:22:48.594] @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
  1735. 25.03 s > [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1736. 25.03 s > [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1737. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1738. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1739. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1740. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1741. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1742. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1743. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1744. 25.03 s > [2026-09-14 04:22:48.600] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1745. 25.03 s > [2026-09-14 04:22:48.696] @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)
  1746. 25.03 s > [2026-09-14 04:22:48.696] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1747. 25.03 s > [2026-09-14 04:22:48.696] @commands::generate INFO : Generated cross-section 2 graphs.
  1748. 25.03 s > [2026-09-14 04:22:48.696] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1749. 25.03 s > [2026-09-14 04:22:48.697] @gammaloop_api::se... INFO : Running command generate
  1750. 25.03 s > [2026-09-14 04:22:49.000] @commands::generate INFO :
  1751. 25.03 s > Integrand generation summary
  1752. 25.03 s > peak RAM 101.98 MiB | cores 1
  1753. 25.03 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1754. 25.03 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1755. 25.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1756. 25.03 s > │ default │ GL0 │ 3 │ 37ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  1757. 25.03 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  1758. 25.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1759. 25.03 s > │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 92ms (34%) │ 0ms (0.00%) │
  1760. 25.03 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1761. 25.03 s > [2026-09-14 04:22:49.001] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  1762. 25.03 s > The application panicked (crashed).
  1763. 25.03 s > Message: index out of bounds: the len is 0 but the index is 0
  1764. 25.03 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1765. 25.03 s >
  1766. 25.03 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1767. 25.03 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1768. 25.03 s > at <unknown source file>:<unknown line>
  1769. 25.03 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1770. 25.03 s > at <unknown source file>:<unknown line>
  1771. 25.03 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1772. 25.03 s > at <unknown source file>:<unknown line>
  1773. 25.03 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1774. 25.03 s > at <unknown source file>:<unknown line>
  1775. 25.03 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1776. 25.03 s > at <unknown source file>:<unknown line>
  1777. 25.03 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1778. 25.03 s > at <unknown source file>:<unknown line>
  1779. 25.03 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1780. 25.03 s > at <unknown source file>:<unknown line>
  1781. 25.03 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1782. 25.03 s > at <unknown source file>:<unknown line>
  1783. 25.03 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  1784. 25.03 s > at <unknown source file>:<unknown line>
  1785. 25.03 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  1786. 25.03 s > at <unknown source file>:<unknown line>
  1787. 25.03 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1788. 25.03 s > at <unknown source file>:<unknown line>
  1789. 25.03 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1790. 25.03 s > at <unknown source file>:<unknown line>
  1791. 25.03 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1792. 25.03 s > at <unknown source file>:<unknown line>
  1793. 25.03 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1794. 25.03 s > at <unknown source file>:<unknown line>
  1795. 25.03 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1796. 25.03 s > at <unknown source file>:<unknown line>
  1797. 25.03 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1798. 25.03 s > at <unknown source file>:<unknown line>
  1799. 25.03 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1800. 25.03 s > at <unknown source file>:<unknown line>
  1801. 25.03 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>
  1802. 25.03 s > at <unknown source file>:<unknown line>
  1803. 25.03 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1804. 25.03 s > at <unknown source file>:<unknown line>
  1805. 25.03 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1806. 25.03 s > at <unknown source file>:<unknown line>
  1807. 25.03 s > 21: PyEval_EvalCode.localalias<unknown>
  1808. 25.03 s > at <unknown source file>:<unknown line>
  1809. 25.03 s > 22: run_eval_code_obj<unknown>
  1810. 25.03 s > at <unknown source file>:<unknown line>
  1811. 25.03 s > 23: run_mod<unknown>
  1812. 25.03 s > at <unknown source file>:<unknown line>
  1813. 25.03 s > 24: Py_RunMain.localalias<unknown>
  1814. 25.03 s > at <unknown source file>:<unknown line>
  1815. 25.03 s > 25: __libc_start_call_main<unknown>
  1816. 25.03 s > at <unknown source file>:<unknown line>
  1817. 25.03 s > 26: __libc_start_main_alias_2<unknown>
  1818. 25.03 s > at <unknown source file>:<unknown line>
  1819. 25.03 s > 27: _start<unknown>
  1820. 25.03 s > at <unknown source file>:<unknown line>
  1821. 25.03 s >
  1822. 25.03 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1823. 25.03 s > Run with RUST_BACKTRACE=full to include source snippets.
  1824. 25.03 s > Traceback (most recent call last):
  1825. 25.03 s > File "<string>", line 78, in <module>
  1826. 25.03 s > result = api.evaluate_sample(point)
  1827. 25.03 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1828. 25.03 s >
  1829. 25.03 s >
  1830. 25.03 s > Location:
  1831. 25.03 s > tests/tests/test_python_api.rs:156:20
  1832. 25.03 s >
  1833. 25.03 s > FAIL [ 0.614s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1834. 25.03 s > stdout ---
  1835. 25.03 s >
  1836. 25.03 s > running 1 test
  1837. 25.03 s > test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  1838. 25.03 s >
  1839. 25.03 s > failures:
  1840. 25.03 s >
  1841. 25.03 s > failures:
  1842. 25.03 s > python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1843. 25.03 s >
  1844. 25.03 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.61s
  1845. 25.03 s >
  1846. 25.03 s > stderr ---
  1847. 25.03 s > Error: Python API test subprocess failed.
  1848. 25.03 s > stdout:
  1849. 25.03 s >
  1850. 25.03 s > stderr:
  1851. 25.03 s > [2026-09-14 04:22:48.565] @gammaloop_api::se... INFO : Running command import model sm-default
  1852. 25.03 s > [2026-09-14 04:22:48.565] @import::model INFO : Loading built-in JSON model sm-default
  1853. 25.03 s > [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1854. 25.03 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1855. 25.03 s > [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1856. 25.03 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  1857. 25.03 s > [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1858. 25.03 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  1859. 25.03 s > [2026-09-14 04:22:48.592] @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]}}'
  1860. 25.03 s > [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1861. 25.03 s > [2026-09-14 04:22:48.594] @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
  1862. 25.03 s > [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1863. 25.03 s > [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1864. 25.03 s > [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1865. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1866. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1867. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1868. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1869. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1870. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1871. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1872. 25.03 s > [2026-09-14 04:22:48.698] @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)
  1873. 25.03 s > [2026-09-14 04:22:48.698] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1874. 25.03 s > [2026-09-14 04:22:48.698] @commands::generate INFO : Generated cross-section 2 graphs.
  1875. 25.03 s > [2026-09-14 04:22:48.698] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1876. 25.03 s > [2026-09-14 04:22:48.699] @gammaloop_api::se... INFO : Running command generate
  1877. 25.03 s > [2026-09-14 04:22:49.002] @commands::generate INFO :
  1878. 25.03 s > Integrand generation summary
  1879. 25.03 s > peak RAM 101.77 MiB | cores 1
  1880. 25.03 s > ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  1881. 25.03 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1882. 25.03 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  1883. 25.03 s > │ default │ GL0 │ 3 │ 38ms (46%) │ 22ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  1884. 25.03 s > │ default │ GL2 │ 5 │ 63ms (33%) │ 59ms (31%) │ 68ms (36%) │ 0ms (0.00%) │
  1885. 25.03 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  1886. 25.03 s > │ Total │ │ 8 │ 102ms (37%) │ 81ms (29%) │ 91ms (33%) │ 0ms (0.00%) │
  1887. 25.03 s > ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  1888. 25.03 s > [2026-09-14 04:22:49.003] @gammaloop_api::se... INFO : Running command set process string '
  1889. 25.03 s > [quantities.leading_jet_pt]
  1890. 25.03 s > type = "jet"
  1891. 25.03 s > quantity = "PT"
  1892. 25.03 s > dR = 0.4
  1893. 25.03 s > [...]
  1894. 25.03 s > [2026-09-14 04:22:49.004] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  1895. 25.03 s > The application panicked (crashed).
  1896. 25.03 s > Message: index out of bounds: the len is 0 but the index is 0
  1897. 25.03 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1898. 25.03 s >
  1899. 25.03 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1900. 25.03 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1901. 25.03 s > at <unknown source file>:<unknown line>
  1902. 25.03 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1903. 25.03 s > at <unknown source file>:<unknown line>
  1904. 25.03 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1905. 25.03 s > at <unknown source file>:<unknown line>
  1906. 25.03 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1907. 25.03 s > at <unknown source file>:<unknown line>
  1908. 25.03 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1909. 25.03 s > at <unknown source file>:<unknown line>
  1910. 25.03 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1911. 25.03 s > at <unknown source file>:<unknown line>
  1912. 25.03 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1913. 25.03 s > at <unknown source file>:<unknown line>
  1914. 25.03 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1915. 25.03 s > at <unknown source file>:<unknown line>
  1916. 25.03 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  1917. 25.03 s > at <unknown source file>:<unknown line>
  1918. 25.03 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  1919. 25.03 s > at <unknown source file>:<unknown line>
  1920. 25.03 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1921. 25.03 s > at <unknown source file>:<unknown line>
  1922. 25.03 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1923. 25.03 s > at <unknown source file>:<unknown line>
  1924. 25.03 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1925. 25.03 s > at <unknown source file>:<unknown line>
  1926. 25.03 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1927. 25.03 s > at <unknown source file>:<unknown line>
  1928. 25.03 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  1929. 25.03 s > at <unknown source file>:<unknown line>
  1930. 25.03 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  1931. 25.03 s > at <unknown source file>:<unknown line>
  1932. 25.03 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1933. 25.03 s > at <unknown source file>:<unknown line>
  1934. 25.03 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>
  1935. 25.03 s > at <unknown source file>:<unknown line>
  1936. 25.03 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1937. 25.03 s > at <unknown source file>:<unknown line>
  1938. 25.03 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1939. 25.03 s > at <unknown source file>:<unknown line>
  1940. 25.03 s > 21: PyEval_EvalCode.localalias<unknown>
  1941. 25.03 s > at <unknown source file>:<unknown line>
  1942. 25.03 s > 22: run_eval_code_obj<unknown>
  1943. 25.03 s > at <unknown source file>:<unknown line>
  1944. 25.03 s > 23: run_mod<unknown>
  1945. 25.03 s > at <unknown source file>:<unknown line>
  1946. 25.03 s > 24: Py_RunMain.localalias<unknown>
  1947. 25.03 s > at <unknown source file>:<unknown line>
  1948. 25.03 s > 25: __libc_start_call_main<unknown>
  1949. 25.03 s > at <unknown source file>:<unknown line>
  1950. 25.03 s > 26: __libc_start_main_alias_2<unknown>
  1951. 25.03 s > at <unknown source file>:<unknown line>
  1952. 25.03 s > 27: _start<unknown>
  1953. 25.03 s > at <unknown source file>:<unknown line>
  1954. 25.03 s >
  1955. 25.03 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1956. 25.03 s > Run with RUST_BACKTRACE=full to include source snippets.
  1957. 25.03 s > Traceback (most recent call last):
  1958. 25.03 s > File "<string>", line 85, in <module>
  1959. 25.03 s > batch = summarize_batch_result(api.evaluate_samples(points))
  1960. 25.03 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  1961. 25.03 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1962. 25.03 s >
  1963. 25.03 s >
  1964. 25.03 s > Location:
  1965. 25.03 s > tests/tests/test_python_api.rs:156:20
  1966. 25.03 s >
  1967. 25.03 s > ------------
  1968. 25.03 s > Summary [ 0.615s] 5 tests run: 2 passed, 3 failed, 0 skipped
  1969. 25.03 s > FAIL [ 0.512s] (2/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  1970. 25.03 s > stdout ---
  1971. 25.03 s >
  1972. 25.03 s > running 1 test
  1973. 25.03 s > test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  1974. 25.03 s >
  1975. 25.03 s > failures:
  1976. 25.03 s >
  1977. 25.03 s > failures:
  1978. 25.03 s > python_evaluate_sample_honors_generate_events_and_observable_snapshots
  1979. 25.03 s >
  1980. 25.03 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.51s
  1981. 25.03 s >
  1982. 25.03 s > stderr ---
  1983. 25.03 s > Error: Python API test subprocess failed.
  1984. 25.03 s > stdout:
  1985. 25.03 s >
  1986. 25.03 s > stderr:
  1987. 25.03 s > [2026-09-14 04:22:48.563] @gammaloop_api::se... INFO : Running command import model sm-default
  1988. 25.03 s > [2026-09-14 04:22:48.564] @import::model INFO : Loading built-in JSON model sm-default
  1989. 25.03 s > [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1990. 25.03 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1991. 25.03 s > [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1992. 25.03 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  1993. 25.03 s > [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1994. 25.03 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  1995. 25.03 s > [2026-09-14 04:22:48.592] @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]}}'
  1996. 25.03 s > [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1997. 25.03 s > [2026-09-14 04:22:48.594] @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
  1998. 25.03 s > [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1999. 25.03 s > [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2000. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2001. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2002. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2003. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2004. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2005. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2006. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2007. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2008. 25.03 s > [2026-09-14 04:22:48.693] @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)
  2009. 25.03 s > [2026-09-14 04:22:48.693] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2010. 25.03 s > [2026-09-14 04:22:48.693] @commands::generate INFO : Generated cross-section 2 graphs.
  2011. 25.03 s > [2026-09-14 04:22:48.693] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2012. 25.03 s > [2026-09-14 04:22:48.694] @gammaloop_api::se... INFO : Running command generate
  2013. 25.03 s > [2026-09-14 04:22:48.997] @commands::generate INFO :
  2014. 25.03 s > Integrand generation summary
  2015. 25.03 s > peak RAM 101.61 MiB | cores 1
  2016. 25.03 s > ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  2017. 25.03 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2018. 25.03 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  2019. 25.03 s > │ default │ GL0 │ 3 │ 44ms (50%) │ 20ms (24%) │ 23ms (26%) │ 0ms (0.00%) │
  2020. 25.03 s > │ default │ GL2 │ 5 │ 58ms (31%) │ 59ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  2021. 25.03 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  2022. 25.03 s > │ Total │ │ 8 │ 102ms (37%) │ 80ms (29%) │ 92ms (33%) │ 0ms (0.00%) │
  2023. 25.03 s > ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  2024. 25.03 s > [2026-09-14 04:22:48.998] @gammaloop_api::se... INFO : Running command set process string '
  2025. 25.03 s > [quantities.leading_jet_pt]
  2026. 25.03 s > type = "jet"
  2027. 25.03 s > quantity = "PT"
  2028. 25.03 s > dR = 0.4
  2029. 25.03 s > [...]
  2030. 25.03 s > [2026-09-14 04:22:48.999] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  2031. 25.03 s > The application panicked (crashed).
  2032. 25.03 s > Message: index out of bounds: the len is 0 but the index is 0
  2033. 25.03 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2034. 25.03 s >
  2035. 25.03 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2036. 25.03 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2037. 25.03 s > at <unknown source file>:<unknown line>
  2038. 25.03 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2039. 25.03 s > at <unknown source file>:<unknown line>
  2040. 25.03 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2041. 25.03 s > at <unknown source file>:<unknown line>
  2042. 25.03 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2043. 25.03 s > at <unknown source file>:<unknown line>
  2044. 25.03 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2045. 25.03 s > at <unknown source file>:<unknown line>
  2046. 25.03 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2047. 25.03 s > at <unknown source file>:<unknown line>
  2048. 25.03 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2049. 25.03 s > at <unknown source file>:<unknown line>
  2050. 25.03 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2051. 25.03 s > at <unknown source file>:<unknown line>
  2052. 25.03 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  2053. 25.03 s > at <unknown source file>:<unknown line>
  2054. 25.03 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  2055. 25.03 s > at <unknown source file>:<unknown line>
  2056. 25.03 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2057. 25.03 s > at <unknown source file>:<unknown line>
  2058. 25.03 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2059. 25.03 s > at <unknown source file>:<unknown line>
  2060. 25.03 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2061. 25.03 s > at <unknown source file>:<unknown line>
  2062. 25.03 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2063. 25.03 s > at <unknown source file>:<unknown line>
  2064. 25.03 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2065. 25.03 s > at <unknown source file>:<unknown line>
  2066. 25.03 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2067. 25.03 s > at <unknown source file>:<unknown line>
  2068. 25.03 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2069. 25.03 s > at <unknown source file>:<unknown line>
  2070. 25.03 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>
  2071. 25.03 s > at <unknown source file>:<unknown line>
  2072. 25.03 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2073. 25.03 s > at <unknown source file>:<unknown line>
  2074. 25.03 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2075. 25.03 s > at <unknown source file>:<unknown line>
  2076. 25.03 s > 21: PyEval_EvalCode.localalias<unknown>
  2077. 25.03 s > at <unknown source file>:<unknown line>
  2078. 25.03 s > 22: run_eval_code_obj<unknown>
  2079. 25.03 s > at <unknown source file>:<unknown line>
  2080. 25.03 s > 23: run_mod<unknown>
  2081. 25.03 s > at <unknown source file>:<unknown line>
  2082. 25.03 s > 24: Py_RunMain.localalias<unknown>
  2083. 25.03 s > at <unknown source file>:<unknown line>
  2084. 25.03 s > 25: __libc_start_call_main<unknown>
  2085. 25.03 s > at <unknown source file>:<unknown line>
  2086. 25.03 s > 26: __libc_start_main_alias_2<unknown>
  2087. 25.03 s > at <unknown source file>:<unknown line>
  2088. 25.03 s > 27: _start<unknown>
  2089. 25.03 s > at <unknown source file>:<unknown line>
  2090. 25.03 s >
  2091. 25.03 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2092. 25.03 s > Run with RUST_BACKTRACE=full to include source snippets.
  2093. 25.03 s > Traceback (most recent call last):
  2094. 25.03 s > File "<string>", line 78, in <module>
  2095. 25.03 s > without_events = summarize_result(api.evaluate_sample(point))
  2096. 25.03 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  2097. 25.03 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2098. 25.03 s >
  2099. 25.03 s >
  2100. 25.03 s > Location:
  2101. 25.03 s > tests/tests/test_python_api.rs:156:20
  2102. 25.03 s >
  2103. 25.03 s > FAIL [ 0.516s] (4/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  2104. 25.03 s > stdout ---
  2105. 25.03 s >
  2106. 25.03 s > running 1 test
  2107. 25.03 s > test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  2108. 25.03 s >
  2109. 25.03 s > failures:
  2110. 25.03 s >
  2111. 25.03 s > failures:
  2112. 25.03 s > python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  2113. 25.03 s >
  2114. 25.03 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.51s
  2115. 25.03 s >
  2116. 25.03 s > stderr ---
  2117. 25.03 s > Error: Python API test subprocess failed.
  2118. 25.03 s > stdout:
  2119. 25.03 s >
  2120. 25.03 s > stderr:
  2121. 25.03 s > [2026-09-14 04:22:48.565] @gammaloop_api::se... INFO : Running command import model sm-default
  2122. 25.03 s > [2026-09-14 04:22:48.565] @import::model INFO : Loading built-in JSON model sm-default
  2123. 25.03 s > [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2124. 25.03 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2125. 25.03 s > [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2126. 25.03 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  2127. 25.03 s > [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2128. 25.03 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  2129. 25.03 s > [2026-09-14 04:22:48.592] @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]}}'
  2130. 25.03 s > [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2131. 25.03 s > [2026-09-14 04:22:48.594] @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
  2132. 25.03 s > [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2133. 25.03 s > [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2134. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2135. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2136. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2137. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2138. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2139. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2140. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2141. 25.03 s > [2026-09-14 04:22:48.600] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2142. 25.03 s > [2026-09-14 04:22:48.696] @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)
  2143. 25.03 s > [2026-09-14 04:22:48.696] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2144. 25.03 s > [2026-09-14 04:22:48.696] @commands::generate INFO : Generated cross-section 2 graphs.
  2145. 25.03 s > [2026-09-14 04:22:48.696] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2146. 25.03 s > [2026-09-14 04:22:48.697] @gammaloop_api::se... INFO : Running command generate
  2147. 25.03 s > [2026-09-14 04:22:49.000] @commands::generate INFO :
  2148. 25.03 s > Integrand generation summary
  2149. 25.03 s > peak RAM 101.98 MiB | cores 1
  2150. 25.03 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2151. 25.03 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2152. 25.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2153. 25.03 s > │ default │ GL0 │ 3 │ 37ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  2154. 25.03 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  2155. 25.03 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2156. 25.03 s > │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 92ms (34%) │ 0ms (0.00%) │
  2157. 25.03 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2158. 25.03 s > [2026-09-14 04:22:49.001] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  2159. 25.03 s > The application panicked (crashed).
  2160. 25.03 s > Message: index out of bounds: the len is 0 but the index is 0
  2161. 25.03 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2162. 25.03 s >
  2163. 25.03 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2164. 25.03 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2165. 25.03 s > at <unknown source file>:<unknown line>
  2166. 25.03 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2167. 25.03 s > at <unknown source file>:<unknown line>
  2168. 25.03 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2169. 25.03 s > at <unknown source file>:<unknown line>
  2170. 25.03 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2171. 25.03 s > at <unknown source file>:<unknown line>
  2172. 25.03 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2173. 25.03 s > at <unknown source file>:<unknown line>
  2174. 25.03 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2175. 25.03 s > at <unknown source file>:<unknown line>
  2176. 25.03 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2177. 25.03 s > at <unknown source file>:<unknown line>
  2178. 25.03 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2179. 25.03 s > at <unknown source file>:<unknown line>
  2180. 25.03 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  2181. 25.03 s > at <unknown source file>:<unknown line>
  2182. 25.03 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  2183. 25.03 s > at <unknown source file>:<unknown line>
  2184. 25.03 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2185. 25.03 s > at <unknown source file>:<unknown line>
  2186. 25.03 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2187. 25.03 s > at <unknown source file>:<unknown line>
  2188. 25.03 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2189. 25.03 s > at <unknown source file>:<unknown line>
  2190. 25.03 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2191. 25.03 s > at <unknown source file>:<unknown line>
  2192. 25.03 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2193. 25.03 s > at <unknown source file>:<unknown line>
  2194. 25.03 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2195. 25.03 s > at <unknown source file>:<unknown line>
  2196. 25.03 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2197. 25.03 s > at <unknown source file>:<unknown line>
  2198. 25.03 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>
  2199. 25.03 s > at <unknown source file>:<unknown line>
  2200. 25.03 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2201. 25.03 s > at <unknown source file>:<unknown line>
  2202. 25.03 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2203. 25.03 s > at <unknown source file>:<unknown line>
  2204. 25.03 s > 21: PyEval_EvalCode.localalias<unknown>
  2205. 25.03 s > at <unknown source file>:<unknown line>
  2206. 25.03 s > 22: run_eval_code_obj<unknown>
  2207. 25.03 s > at <unknown source file>:<unknown line>
  2208. 25.03 s > 23: run_mod<unknown>
  2209. 25.03 s > at <unknown source file>:<unknown line>
  2210. 25.03 s > 24: Py_RunMain.localalias<unknown>
  2211. 25.03 s > at <unknown source file>:<unknown line>
  2212. 25.03 s > 25: __libc_start_call_main<unknown>
  2213. 25.03 s > at <unknown source file>:<unknown line>
  2214. 25.03 s > 26: __libc_start_main_alias_2<unknown>
  2215. 25.03 s > at <unknown source file>:<unknown line>
  2216. 25.03 s > 27: _start<unknown>
  2217. 25.03 s > at <unknown source file>:<unknown line>
  2218. 25.03 s >
  2219. 25.03 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2220. 25.03 s > Run with RUST_BACKTRACE=full to include source snippets.
  2221. 25.03 s > Traceback (most recent call last):
  2222. 25.03 s > File "<string>", line 78, in <module>
  2223. 25.03 s > result = api.evaluate_sample(point)
  2224. 25.03 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2225. 25.03 s >
  2226. 25.03 s >
  2227. 25.03 s > Location:
  2228. 25.03 s > tests/tests/test_python_api.rs:156:20
  2229. 25.03 s >
  2230. 25.03 s > FAIL [ 0.614s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  2231. 25.03 s > stdout ---
  2232. 25.03 s >
  2233. 25.03 s > running 1 test
  2234. 25.03 s > test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  2235. 25.03 s >
  2236. 25.03 s > failures:
  2237. 25.03 s >
  2238. 25.03 s > failures:
  2239. 25.03 s > python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  2240. 25.03 s >
  2241. 25.03 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.61s
  2242. 25.03 s >
  2243. 25.03 s > stderr ---
  2244. 25.03 s > Error: Python API test subprocess failed.
  2245. 25.03 s > stdout:
  2246. 25.03 s >
  2247. 25.03 s > stderr:
  2248. 25.03 s > [2026-09-14 04:22:48.565] @gammaloop_api::se... INFO : Running command import model sm-default
  2249. 25.03 s > [2026-09-14 04:22:48.565] @import::model INFO : Loading built-in JSON model sm-default
  2250. 25.03 s > [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2251. 25.03 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2252. 25.03 s > [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2253. 25.03 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  2254. 25.03 s > [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2255. 25.03 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  2256. 25.03 s > [2026-09-14 04:22:48.592] @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]}}'
  2257. 25.03 s > [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2258. 25.03 s > [2026-09-14 04:22:48.594] @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
  2259. 25.03 s > [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2260. 25.03 s > [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2261. 25.03 s > [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2262. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2263. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2264. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2265. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2266. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2267. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2268. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2269. 25.03 s > [2026-09-14 04:22:48.698] @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)
  2270. 25.03 s > [2026-09-14 04:22:48.698] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2271. 25.03 s > [2026-09-14 04:22:48.698] @commands::generate INFO : Generated cross-section 2 graphs.
  2272. 25.03 s > [2026-09-14 04:22:48.698] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2273. 25.03 s > [2026-09-14 04:22:48.699] @gammaloop_api::se... INFO : Running command generate
  2274. 25.03 s > [2026-09-14 04:22:49.002] @commands::generate INFO :
  2275. 25.03 s > Integrand generation summary
  2276. 25.03 s > peak RAM 101.77 MiB | cores 1
  2277. 25.03 s > ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  2278. 25.03 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2279. 25.03 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  2280. 25.03 s > │ default │ GL0 │ 3 │ 38ms (46%) │ 22ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  2281. 25.03 s > │ default │ GL2 │ 5 │ 63ms (33%) │ 59ms (31%) │ 68ms (36%) │ 0ms (0.00%) │
  2282. 25.03 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  2283. 25.03 s > │ Total │ │ 8 │ 102ms (37%) │ 81ms (29%) │ 91ms (33%) │ 0ms (0.00%) │
  2284. 25.03 s > ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  2285. 25.03 s > [2026-09-14 04:22:49.003] @gammaloop_api::se... INFO : Running command set process string '
  2286. 25.03 s > [quantities.leading_jet_pt]
  2287. 25.03 s > type = "jet"
  2288. 25.03 s > quantity = "PT"
  2289. 25.03 s > dR = 0.4
  2290. 25.03 s > [...]
  2291. 25.03 s > [2026-09-14 04:22:49.004] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  2292. 25.03 s > The application panicked (crashed).
  2293. 25.03 s > Message: index out of bounds: the len is 0 but the index is 0
  2294. 25.03 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2295. 25.03 s >
  2296. 25.03 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2297. 25.03 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2298. 25.03 s > at <unknown source file>:<unknown line>
  2299. 25.03 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2300. 25.03 s > at <unknown source file>:<unknown line>
  2301. 25.03 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2302. 25.03 s > at <unknown source file>:<unknown line>
  2303. 25.03 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2304. 25.03 s > at <unknown source file>:<unknown line>
  2305. 25.03 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2306. 25.03 s > at <unknown source file>:<unknown line>
  2307. 25.03 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2308. 25.03 s > at <unknown source file>:<unknown line>
  2309. 25.03 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2310. 25.03 s > at <unknown source file>:<unknown line>
  2311. 25.03 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2312. 25.03 s > at <unknown source file>:<unknown line>
  2313. 25.03 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  2314. 25.03 s > at <unknown source file>:<unknown line>
  2315. 25.03 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  2316. 25.03 s > at <unknown source file>:<unknown line>
  2317. 25.03 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2318. 25.03 s > at <unknown source file>:<unknown line>
  2319. 25.03 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2320. 25.03 s > at <unknown source file>:<unknown line>
  2321. 25.03 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2322. 25.03 s > at <unknown source file>:<unknown line>
  2323. 25.03 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2324. 25.03 s > at <unknown source file>:<unknown line>
  2325. 25.03 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  2326. 25.03 s > at <unknown source file>:<unknown line>
  2327. 25.03 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  2328. 25.03 s > at <unknown source file>:<unknown line>
  2329. 25.03 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2330. 25.03 s > at <unknown source file>:<unknown line>
  2331. 25.03 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>
  2332. 25.03 s > at <unknown source file>:<unknown line>
  2333. 25.03 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2334. 25.03 s > at <unknown source file>:<unknown line>
  2335. 25.03 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2336. 25.03 s > at <unknown source file>:<unknown line>
  2337. 25.03 s > 21: PyEval_EvalCode.localalias<unknown>
  2338. 25.03 s > at <unknown source file>:<unknown line>
  2339. 25.03 s > 22: run_eval_code_obj<unknown>
  2340. 25.03 s > at <unknown source file>:<unknown line>
  2341. 25.03 s > 23: run_mod<unknown>
  2342. 25.03 s > at <unknown source file>:<unknown line>
  2343. 25.03 s > 24: Py_RunMain.localalias<unknown>
  2344. 25.03 s > at <unknown source file>:<unknown line>
  2345. 25.03 s > 25: __libc_start_call_main<unknown>
  2346. 25.03 s > at <unknown source file>:<unknown line>
  2347. 25.03 s > 26: __libc_start_main_alias_2<unknown>
  2348. 25.03 s > at <unknown source file>:<unknown line>
  2349. 25.03 s > 27: _start<unknown>
  2350. 25.03 s > at <unknown source file>:<unknown line>
  2351. 25.03 s >
  2352. 25.03 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2353. 25.03 s > Run with RUST_BACKTRACE=full to include source snippets.
  2354. 25.03 s > Traceback (most recent call last):
  2355. 25.03 s > File "<string>", line 85, in <module>
  2356. 25.03 s > batch = summarize_batch_result(api.evaluate_samples(points))
  2357. 25.03 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  2358. 25.03 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2359. 25.03 s >
  2360. 25.03 s >
  2361. 25.03 s > Location:
  2362. 25.03 s > tests/tests/test_python_api.rs:156:20
  2363. 25.03 s >
  2364. 25.03 s > error: test run failed
  2365. 25.03 s >
  2366. 25.03 s > ========== nextest test summary ==========
  2367. 25.03 s > report: target/nextest/ci_gammaloop/junit.xml
  2368. 25.03 s > tests: 5, failures: 3, errors: 0
  2369. 25.03 s >
  2370. 25.03 s > 1. gammaloop-integration-tests::test_python_api::python_evaluate_sample_honors_generate_events_and_observable_snapshots
  2371. 25.03 s > failure: test failure with exit code 101
  2372. 25.03 s > Error: Python API test subprocess failed.
  2373. 25.03 s > stdout:
  2374. 25.03 s >
  2375. 25.03 s > stderr:
  2376. 25.03 s > [2026-09-14 04:22:48.563] @gammaloop_api::se... INFO : Running command import model sm-default
  2377. 25.03 s > [2026-09-14 04:22:48.564] @import::model INFO : Loading built-in JSON model sm-default
  2378. 25.03 s > [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2379. 25.03 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2380. 25.03 s > [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2381. 25.03 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  2382. 25.03 s > [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2383. 25.03 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  2384. 25.03 s > [2026-09-14 04:22:48.592] @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]}}'
  2385. 25.03 s > [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2386. 25.03 s > [2026-09-14 04:22:48.594] @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
  2387. 25.03 s > [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2388. 25.03 s > [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2389. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2390. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2391. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2392. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2393. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2394. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2395. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2396. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2397. 25.03 s > [2026-09-14 04:22:48.693] @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)
  2398. 25.03 s > [2026-09-14 04:22:48.693] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2399. 25.03 s > [2026-09-14 04:22:48.693] @commands::generate INFO : Generated cross-section 2 graphs.
  2400. 25.03 s > [2026-09-14 04:22:48.693] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2401. 25.03 s > [2026-09-14 04:22:48.694] @gammaloop_api::se... INFO : Running command generate
  2402. 25.03 s > [2026-09-14 04:22:48.997] @commands::generate INFO :
  2403. 25.03 s > Integrand generation summary
  2404. 25.03 s > peak RAM 101.61 MiB | cores 1
  2405. 25.03 s > ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  2406. 25.03 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2407. 25.03 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  2408. 25.03 s > │ default │ GL0 │ 3 │ 44ms (50%) │ 20ms (24%) │ 23ms (26%) │ 0ms (0.00%) │
  2409. 25.03 s > │ default │ GL2 │ 5 │ 58ms (31%) │ 59ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  2410. 25.03 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  2411. 25.03 s > │ Total │ │ 8 │ 102ms (37%) │ 80ms (29%) │ 92ms (33%) │ 0ms (0.00%) │
  2412. 25.03 s > ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  2413. 25.03 s > [2026-09-14 04:22:48.998] @gammaloop_api::se... INFO : Running command set process string '
  2414. 25.03 s > [quantities.leading_jet_pt]
  2415. 25.03 s > type = "jet"
  2416. 25.03 s > quantity = "PT"
  2417. 25.03 s > dR = 0.4
  2418. 25.03 s > [...]
  2419. 25.03 s > [2026-09-14 04:22:48.999] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  2420. 25.03 s > The application panicked (crashed).
  2421. 25.03 s > Message: index out of bounds: the len is 0 but the index is 0
  2422. 25.03 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2423. 25.03 s >
  2424. 25.03 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2425. 25.03 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2426. 25.03 s > at <unknown source file>:<unknown line>
  2427. 25.03 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2428. 25.03 s > at <unknown source file>:<unknown line>
  2429. 25.03 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2430. 25.03 s > at <unknown source file>:<unknown line>
  2431. 25.03 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2432. 25.03 s > at <unknown source file>:<unknown line>
  2433. 25.03 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2434. 25.03 s > at <unknown source file>:<unknown line>
  2435. 25.03 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2436. 25.03 s > at <unknown source file>:<unknown line>
  2437. 25.03 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2438. 25.03 s > at <unknown source file>:<unknown line>
  2439. 25.03 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2440. 25.03 s > at <unknown source file>:<unknown line>
  2441. 25.03 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  2442. 25.03 s > at <unknown source file>:<unknown line>
  2443. 25.03 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  2444. 25.03 s > at <unknown source file>:<unknown line>
  2445. 25.03 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2446. 25.03 s > at <unknown source file>:<unknown line>
  2447. 25.03 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2448. 25.03 s > at <unknown source file>:<unknown line>
  2449. 25.03 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2450. 25.03 s > at <unknown source file>:<unknown line>
  2451. 25.03 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2452. 25.03 s > at <unknown source file>:<unknown line>
  2453. 25.03 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2454. 25.03 s > at <unknown source file>:<unknown line>
  2455. 25.03 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2456. 25.03 s > at <unknown source file>:<unknown line>
  2457. 25.03 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2458. 25.03 s > at <unknown source file>:<unknown line>
  2459. 25.03 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>
  2460. 25.03 s > at <unknown source file>:<unknown line>
  2461. 25.03 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2462. 25.03 s > at <unknown source file>:<unknown line>
  2463. 25.03 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2464. 25.03 s > at <unknown source file>:<unknown line>
  2465. 25.03 s > 21: PyEval_EvalCode.localalias<unknown>
  2466. 25.03 s > at <unknown source file>:<unknown line>
  2467. 25.03 s > 22: run_eval_code_obj<unknown>
  2468. 25.03 s > at <unknown source file>:<unknown line>
  2469. 25.03 s > 23: run_mod<unknown>
  2470. 25.03 s > at <unknown source file>:<unknown line>
  2471. 25.03 s > 24: Py_RunMain.localalias<unknown>
  2472. 25.03 s > at <unknown source file>:<unknown line>
  2473. 25.03 s > 25: __libc_start_call_main<unknown>
  2474. 25.03 s > at <unknown source file>:<unknown line>
  2475. 25.03 s > 26: __libc_start_main_alias_2<unknown>
  2476. 25.03 s > at <unknown source file>:<unknown line>
  2477. 25.03 s > 27: _start<unknown>
  2478. 25.03 s > at <unknown source file>:<unknown line>
  2479. 25.03 s >
  2480. 25.03 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2481. 25.03 s > Run with RUST_BACKTRACE=full to include source snippets.
  2482. 25.03 s > Traceback (most recent call last):
  2483. 25.03 s > File "<string>", line 78, in <module>
  2484. 25.03 s > without_events = summarize_result(api.evaluate_sample(point))
  2485. 25.03 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  2486. 25.03 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2487. 25.03 s >
  2488. 25.03 s >
  2489. 25.03 s > Location:
  2490. 25.03 s > tests/tests/test_python_api.rs:156:20
  2491. 25.03 s > system-out
  2492. 25.03 s > running 1 test
  2493. 25.03 s > test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  2494. 25.03 s >
  2495. 25.03 s > failures:
  2496. 25.03 s >
  2497. 25.03 s > failures:
  2498. 25.03 s > python_evaluate_sample_honors_generate_events_and_observable_snapshots
  2499. 25.03 s >
  2500. 25.03 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.51s
  2501. 25.03 s > system-err
  2502. 25.03 s > Error: Python API test subprocess failed.
  2503. 25.03 s > stdout:
  2504. 25.03 s >
  2505. 25.03 s > stderr:
  2506. 25.03 s > [2026-09-14 04:22:48.563] @gammaloop_api::se... INFO : Running command import model sm-default
  2507. 25.03 s > [2026-09-14 04:22:48.564] @import::model INFO : Loading built-in JSON model sm-default
  2508. 25.03 s > [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2509. 25.03 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2510. 25.03 s > [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2511. 25.03 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  2512. 25.03 s > [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2513. 25.03 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  2514. 25.03 s > [2026-09-14 04:22:48.592] @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]}}'
  2515. 25.03 s > [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2516. 25.03 s > [2026-09-14 04:22:48.594] @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
  2517. 25.03 s > [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2518. 25.03 s > [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2519. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2520. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2521. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2522. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2523. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2524. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2525. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2526. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2527. 25.03 s > [2026-09-14 04:22:48.693] @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)
  2528. 25.03 s > [2026-09-14 04:22:48.693] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2529. 25.03 s > [2026-09-14 04:22:48.693] @commands::generate INFO : Generated cross-section 2 graphs.
  2530. 25.03 s > [2026-09-14 04:22:48.693] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2531. 25.03 s > [2026-09-14 04:22:48.694] @gammaloop_api::se... INFO : Running command generate
  2532. 25.03 s > [2026-09-14 04:22:48.997] @commands::generate INFO :
  2533. 25.03 s > Integrand generation summary
  2534. 25.03 s > peak RAM 101.61 MiB | cores 1
  2535. 25.03 s > ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  2536. 25.03 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2537. 25.03 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  2538. 25.03 s > │ default │ GL0 │ 3 │ 44ms (50%) │ 20ms (24%) │ 23ms (26%) │ 0ms (0.00%) │
  2539. 25.03 s > │ default │ GL2 │ 5 │ 58ms (31%) │ 59ms (32%) │ 68ms (37%) │ 0ms (0.00%) │
  2540. 25.03 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  2541. 25.03 s > │ Total │ │ 8 │ 102ms (37%) │ 80ms (29%) │ 92ms (33%) │ 0ms (0.00%) │
  2542. 25.03 s > ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  2543. 25.03 s > [2026-09-14 04:22:48.998] @gammaloop_api::se... INFO : Running command set process string '
  2544. 25.03 s > [quantities.leading_jet_pt]
  2545. 25.03 s > type = "jet"
  2546. 25.03 s > quantity = "PT"
  2547. 25.03 s > dR = 0.4
  2548. 25.03 s > [...]
  2549. 25.03 s > [2026-09-14 04:22:48.999] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  2550. 25.03 s > The application panicked (crashed).
  2551. 25.03 s > Message: index out of bounds: the len is 0 but the index is 0
  2552. 25.03 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2553. 25.03 s >
  2554. 25.03 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2555. 25.03 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2556. 25.03 s > at <unknown source file>:<unknown line>
  2557. 25.03 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2558. 25.03 s > at <unknown source file>:<unknown line>
  2559. 25.03 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2560. 25.03 s > at <unknown source file>:<unknown line>
  2561. 25.03 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2562. 25.03 s > at <unknown source file>:<unknown line>
  2563. 25.03 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2564. 25.03 s > at <unknown source file>:<unknown line>
  2565. 25.03 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2566. 25.03 s > at <unknown source file>:<unknown line>
  2567. 25.03 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2568. 25.03 s > at <unknown source file>:<unknown line>
  2569. 25.03 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2570. 25.03 s > at <unknown source file>:<unknown line>
  2571. 25.03 s > 9: <core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}> as core[940e698046960fd5]::iter::traits::iterator::Iterator>::fold::<(), core[940e698046960fd5]::iter::traits::iterator::Iterator::for_each::call<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)>>::extend_trusted<core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>::{closure#0}>::{closure#0}><unknown>
  2572. 25.03 s > at <unknown source file>:<unknown line>
  2573. 25.03 s > 10: <alloc[2ea6bcb46fca0c42]::vec::Vec<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>)> as alloc[2ea6bcb46fca0c42]::vec::spec_from_iter::SpecFromIter<(gammalooprs[b9254693d317978d]::processes::cross_section::CutGroupId, &gammalooprs[b9254693d317978d]::momentum::sample::MomentumSample<f64>), core[940e698046960fd5]::iter::adapters::map::Map<core[940e698046960fd5]::slice::iter::Iter<gammalooprs[b9254693d317978d]::integrands::process::cross_section::DeferredCutEvaluation<f64>>, <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate<f64>::{closure#4}>>>::from_iter<unknown>
  2574. 25.03 s > at <unknown source file>:<unknown line>
  2575. 25.03 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2576. 25.03 s > at <unknown source file>:<unknown line>
  2577. 25.03 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2578. 25.03 s > at <unknown source file>:<unknown line>
  2579. 25.03 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2580. 25.03 s > at <unknown source file>:<unknown line>
  2581. 25.03 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2582. 25.03 s > at <unknown source file>:<unknown line>
  2583. 25.03 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2584. 25.03 s > at <unknown source file>:<unknown line>
  2585. 25.03 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2586. 25.03 s > at <unknown source file>:<unknown line>
  2587. 25.03 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2588. 25.03 s > at <unknown source file>:<unknown line>
  2589. 25.03 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>
  2590. 25.03 s > at <unknown source file>:<unknown line>
  2591. 25.03 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2592. 25.03 s > at <unknown source file>:<unknown line>
  2593. 25.03 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2594. 25.03 s > at <unknown source file>:<unknown line>
  2595. 25.03 s > 21: PyEval_EvalCode.localalias<unknown>
  2596. 25.03 s > at <unknown source file>:<unknown line>
  2597. 25.03 s > 22: run_eval_code_obj<unknown>
  2598. 25.03 s > at <unknown source file>:<unknown line>
  2599. 25.03 s > 23: run_mod<unknown>
  2600. 25.03 s > at <unknown source file>:<unknown line>
  2601. 25.03 s > 24: Py_RunMain.localalias<unknown>
  2602. 25.03 s > at <unknown source file>:<unknown line>
  2603. 25.03 s > 25: __libc_start_call_main<unknown>
  2604. 25.03 s > at <unknown source file>:<unknown line>
  2605. 25.03 s > 26: __libc_start_main_alias_2<unknown>
  2606. 25.03 s > at <unknown source file>:<unknown line>
  2607. 25.03 s > 27: _start<unknown>
  2608. 25.03 s > at <unknown source file>:<unknown line>
  2609. 25.03 s >
  2610. 25.03 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2611. 25.03 s > Run with RUST_BACKTRACE=full to include source snippets.
  2612. 25.03 s > Traceback (most recent call last):
  2613. 25.03 s > File "<string>", line 78, in <module>
  2614. 25.03 s > without_events = summarize_result(api.evaluate_sample(point))
  2615. 25.03 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  2616. 25.03 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2617. 25.03 s >
  2618. 25.03 s >
  2619. 25.03 s > Location:
  2620. 25.03 s > tests/tests/test_python_api.rs:156:20
  2621. 25.03 s >
  2622. 25.03 s > 2. gammaloop-integration-tests::test_python_api::python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  2623. 25.03 s > failure: test failure with exit code 101
  2624. 25.03 s > Error: Python API test subprocess failed.
  2625. 25.03 s > stdout:
  2626. 25.03 s >
  2627. 25.03 s > stderr:
  2628. 25.03 s > [2026-09-14 04:22:48.565] @gammaloop_api::se... INFO : Running command import model sm-default
  2629. 25.03 s > [2026-09-14 04:22:48.565] @import::model INFO : Loading built-in JSON model sm-default
  2630. 25.03 s > [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2631. 25.03 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2632. 25.03 s > [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2633. 25.03 s > V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  2634. 25.03 s > [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2635. 25.03 s > GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  2636. 25.03 s > [2026-09-14 04:22:48.592] @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]}}'
  2637. 25.03 s > [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2638. 25.03 s > [2026-09-14 04:22:48.594] @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
  2639. 25.03 s > [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2640. 25.03 s > [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2641. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2642. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2643. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2644. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2645. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2646. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2647. 25.03 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2648. 25.03 s > [2026-09-14 04:22:48.600] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2649. 25.04 s > [2026-09-14 04:22:48.696] @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)
  2650. 25.04 s > [2026-09-14 04:22:48.696] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2651. 25.04 s > [2026-09-14 04:22:48.696] @commands::generate INFO : Generated cross-section 2 graphs.
  2652. 25.04 s > [2026-09-14 04:22:48.696] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2653. 25.04 s > [2026-09-14 04:22:48.697] @gammaloop_api::se... INFO : Running command generate
  2654. 25.04 s > [2026-09-14 04:22:49.000] @commands::generate INFO :
  2655. 25.04 s > Integrand generation summary
  2656. 25.04 s > peak RAM 101.98 MiB | cores 1
  2657. 25.04 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2658. 25.04 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2659. 25.04 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2660. 25.04 s > │ default │ GL0 │ 3 │ 37ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  2661. 25.04 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  2662. 25.04 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2663. 25.04 s > │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 92ms (34%) │ 0ms (0.00%) │
  2664. 25.04 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2665. 25.04 s > [2026-09-14 04:22:49.001] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  2666. 25.04 s > The application panicked (crashed).
  2667. 25.04 s > Message: index out of bounds: the len is 0 but the index is 0
  2668. 25.04 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2669. 25.04 s >
  2670. 25.04 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2671. 25.04 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2672. 25.04 s > at <unknown source file>:<unknown line>
  2673. 25.04 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2674. 25.04 s > at <unknown source file>:<unknown line>
  2675. 25.04 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2676. 25.04 s > at <unknown source file>:<unknown line>
  2677. 25.04 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2678. 25.04 s > at <unknown source file>:<unknown line>
  2679. 25.04 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2680. 25.04 s > at <unknown source file>:<unknown line>
  2681. 25.04 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2682. 25.04 s > at <unknown source file>:<unknown line>
  2683. 25.04 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2684. 25.04 s > at <unknown source file>:<unknown line>
  2685. 25.04 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2686. 25.04 s > at <unknown source file>:<unknown line>
  2687. 25.04 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>
  2688. 25.04 s > at <unknown source file>:<unknown line>
  2689. 25.04 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>
  2690. 25.04 s > at <unknown source file>:<unknown line>
  2691. 25.04 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2692. 25.04 s > at <unknown source file>:<unknown line>
  2693. 25.04 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2694. 25.04 s > at <unknown source file>:<unknown line>
  2695. 25.04 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2696. 25.04 s > at <unknown source file>:<unknown line>
  2697. 25.04 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2698. 25.04 s > at <unknown source file>:<unknown line>
  2699. 25.04 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2700. 25.04 s > at <unknown source file>:<unknown line>
  2701. 25.04 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2702. 25.04 s > at <unknown source file>:<unknown line>
  2703. 25.04 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2704. 25.04 s > at <unknown source file>:<unknown line>
  2705. 25.04 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>
  2706. 25.04 s > at <unknown source file>:<unknown line>
  2707. 25.04 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2708. 25.04 s > at <unknown source file>:<unknown line>
  2709. 25.04 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2710. 25.04 s > at <unknown source file>:<unknown line>
  2711. 25.04 s > 21: PyEval_EvalCode.localalias<unknown>
  2712. 25.04 s > at <unknown source file>:<unknown line>
  2713. 25.04 s > 22: run_eval_code_obj<unknown>
  2714. 25.04 s > at <unknown source file>:<unknown line>
  2715. 25.04 s > 23: run_mod<unknown>
  2716. 25.04 s > at <unknown source file>:<unknown line>
  2717. 25.04 s > 24: Py_RunMain.localalias<unknown>
  2718. 25.04 s > at <unknown source file>:<unknown line>
  2719. 25.04 s > 25: __libc_start_call_main<unknown>
  2720. 25.04 s > at <unknown source file>:<unknown line>
  2721. 25.04 s > 26: __libc_start_main_alias_2<unknown>
  2722. 25.04 s > at <unknown source file>:<unknown line>
  2723. 25.04 s > 27: _start<unknown>
  2724. 25.04 s > at <unknown source file>:<unknown line>
  2725. 25.04 s >
  2726. 25.04 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2727. 25.04 s > Run with RUST_BACKTRACE=full to include source snippets.
  2728. 25.04 s > Traceback (most recent call last):
  2729. 25.04 s > File "<string>", line 78, in <module>
  2730. 25.04 s > result = api.evaluate_sample(point)
  2731. 25.04 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2732. 25.04 s >
  2733. 25.04 s >
  2734. 25.04 s > Location:
  2735. 25.04 s > tests/tests/test_python_api.rs:156:20
  2736. 25.04 s > system-out
  2737. 25.04 s > running 1 test
  2738. 25.04 s > test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  2739. 25.04 s >
  2740. 25.04 s > failures:
  2741. 25.04 s >
  2742. 25.04 s > failures:
  2743. 25.04 s > python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  2744. 25.04 s >
  2745. 25.04 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.51s
  2746. 25.04 s > system-err
  2747. 25.04 s > Error: Python API test subprocess failed.
  2748. 25.04 s > stdout:
  2749. 25.04 s >
  2750. 25.04 s > stderr:
  2751. 25.04 s > [2026-09-14 04:22:48.565] @gammaloop_api::se... INFO : Running command import model sm-default
  2752. 25.04 s > [2026-09-14 04:22:48.565] @import::model INFO : Loading built-in JSON model sm-default
  2753. 25.04 s > [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2754. 25.04 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2755. 25.04 s > [2026-09-14 04:22:48.591] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2756. 25.04 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-)
  2757. 25.04 s > [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2758. 25.04 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
  2759. 25.04 s > [2026-09-14 04:22:48.592] @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]}}'
  2760. 25.04 s > [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2761. 25.04 s > [2026-09-14 04:22:48.594] @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
  2762. 25.04 s > [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2763. 25.04 s > [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2764. 25.04 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2765. 25.04 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2766. 25.04 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2767. 25.04 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2768. 25.04 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2769. 25.04 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2770. 25.04 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2771. 25.04 s > [2026-09-14 04:22:48.600] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2772. 25.04 s > [2026-09-14 04:22:48.696] @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)
  2773. 25.04 s > [2026-09-14 04:22:48.696] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2774. 25.04 s > [2026-09-14 04:22:48.696] @commands::generate INFO : Generated cross-section 2 graphs.
  2775. 25.04 s > [2026-09-14 04:22:48.696] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2776. 25.04 s > [2026-09-14 04:22:48.697] @gammaloop_api::se... INFO : Running command generate
  2777. 25.04 s > [2026-09-14 04:22:49.000] @commands::generate INFO :
  2778. 25.04 s > Integrand generation summary
  2779. 25.04 s > peak RAM 101.98 MiB | cores 1
  2780. 25.04 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2781. 25.04 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2782. 25.04 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2783. 25.04 s > │ default │ GL0 │ 3 │ 37ms (46%) │ 21ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  2784. 25.04 s > │ default │ GL2 │ 5 │ 57ms (31%) │ 60ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  2785. 25.04 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2786. 25.04 s > │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 92ms (34%) │ 0ms (0.00%) │
  2787. 25.04 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2788. 25.04 s > [2026-09-14 04:22:49.001] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  2789. 25.04 s > The application panicked (crashed).
  2790. 25.04 s > Message: index out of bounds: the len is 0 but the index is 0
  2791. 25.04 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2792. 25.04 s >
  2793. 25.04 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2794. 25.04 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2795. 25.04 s > at <unknown source file>:<unknown line>
  2796. 25.04 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2797. 25.04 s > at <unknown source file>:<unknown line>
  2798. 25.04 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2799. 25.04 s > at <unknown source file>:<unknown line>
  2800. 25.04 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2801. 25.04 s > at <unknown source file>:<unknown line>
  2802. 25.04 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2803. 25.04 s > at <unknown source file>:<unknown line>
  2804. 25.04 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2805. 25.04 s > at <unknown source file>:<unknown line>
  2806. 25.04 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2807. 25.04 s > at <unknown source file>:<unknown line>
  2808. 25.04 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2809. 25.04 s > at <unknown source file>:<unknown line>
  2810. 25.04 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>
  2811. 25.04 s > at <unknown source file>:<unknown line>
  2812. 25.04 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>
  2813. 25.04 s > at <unknown source file>:<unknown line>
  2814. 25.04 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2815. 25.04 s > at <unknown source file>:<unknown line>
  2816. 25.04 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2817. 25.04 s > at <unknown source file>:<unknown line>
  2818. 25.04 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2819. 25.04 s > at <unknown source file>:<unknown line>
  2820. 25.04 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2821. 25.04 s > at <unknown source file>:<unknown line>
  2822. 25.04 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2823. 25.04 s > at <unknown source file>:<unknown line>
  2824. 25.04 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2825. 25.04 s > at <unknown source file>:<unknown line>
  2826. 25.04 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2827. 25.04 s > at <unknown source file>:<unknown line>
  2828. 25.04 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>
  2829. 25.04 s > at <unknown source file>:<unknown line>
  2830. 25.04 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2831. 25.04 s > at <unknown source file>:<unknown line>
  2832. 25.04 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2833. 25.04 s > at <unknown source file>:<unknown line>
  2834. 25.04 s > 21: PyEval_EvalCode.localalias<unknown>
  2835. 25.04 s > at <unknown source file>:<unknown line>
  2836. 25.04 s > 22: run_eval_code_obj<unknown>
  2837. 25.04 s > at <unknown source file>:<unknown line>
  2838. 25.04 s > 23: run_mod<unknown>
  2839. 25.04 s > at <unknown source file>:<unknown line>
  2840. 25.04 s > 24: Py_RunMain.localalias<unknown>
  2841. 25.04 s > at <unknown source file>:<unknown line>
  2842. 25.04 s > 25: __libc_start_call_main<unknown>
  2843. 25.04 s > at <unknown source file>:<unknown line>
  2844. 25.04 s > 26: __libc_start_main_alias_2<unknown>
  2845. 25.04 s > at <unknown source file>:<unknown line>
  2846. 25.04 s > 27: _start<unknown>
  2847. 25.04 s > at <unknown source file>:<unknown line>
  2848. 25.04 s >
  2849. 25.04 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2850. 25.04 s > Run with RUST_BACKTRACE=full to include source snippets.
  2851. 25.04 s > Traceback (most recent call last):
  2852. 25.04 s > File "<string>", line 78, in <module>
  2853. 25.04 s > result = api.evaluate_sample(point)
  2854. 25.04 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2855. 25.04 s >
  2856. 25.04 s >
  2857. 25.04 s > Location:
  2858. 25.04 s > tests/tests/test_python_api.rs:156:20
  2859. 25.04 s >
  2860. 25.04 s > 3. gammaloop-integration-tests::test_python_api::python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  2861. 25.04 s > failure: test failure with exit code 101
  2862. 25.04 s > Error: Python API test subprocess failed.
  2863. 25.04 s > stdout:
  2864. 25.04 s >
  2865. 25.04 s > stderr:
  2866. 25.04 s > [2026-09-14 04:22:48.565] @gammaloop_api::se... INFO : Running command import model sm-default
  2867. 25.04 s > [2026-09-14 04:22:48.565] @import::model INFO : Loading built-in JSON model sm-default
  2868. 25.04 s > [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2869. 25.04 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2870. 25.04 s > [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2871. 25.04 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-)
  2872. 25.04 s > [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2873. 25.04 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
  2874. 25.04 s > [2026-09-14 04:22:48.592] @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]}}'
  2875. 25.04 s > [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2876. 25.04 s > [2026-09-14 04:22:48.594] @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
  2877. 25.04 s > [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2878. 25.04 s > [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2879. 25.04 s > [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2880. 25.04 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2881. 25.04 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2882. 25.04 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2883. 25.04 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2884. 25.04 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2885. 25.04 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2886. 25.04 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2887. 25.04 s > [2026-09-14 04:22:48.698] @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)
  2888. 25.04 s > [2026-09-14 04:22:48.698] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2889. 25.04 s > [2026-09-14 04:22:48.698] @commands::generate INFO : Generated cross-section 2 graphs.
  2890. 25.04 s > [2026-09-14 04:22:48.698] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2891. 25.04 s > [2026-09-14 04:22:48.699] @gammaloop_api::se... INFO : Running command generate
  2892. 25.04 s > [2026-09-14 04:22:49.002] @commands::generate INFO :
  2893. 25.04 s > Integrand generation summary
  2894. 25.04 s > peak RAM 101.77 MiB | cores 1
  2895. 25.04 s > ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  2896. 25.04 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2897. 25.04 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  2898. 25.04 s > │ default │ GL0 │ 3 │ 38ms (46%) │ 22ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  2899. 25.04 s > │ default │ GL2 │ 5 │ 63ms (33%) │ 59ms (31%) │ 68ms (36%) │ 0ms (0.00%) │
  2900. 25.04 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  2901. 25.04 s > │ Total │ │ 8 │ 102ms (37%) │ 81ms (29%) │ 91ms (33%) │ 0ms (0.00%) │
  2902. 25.04 s > ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  2903. 25.04 s > [2026-09-14 04:22:49.003] @gammaloop_api::se... INFO : Running command set process string '
  2904. 25.04 s > [quantities.leading_jet_pt]
  2905. 25.04 s > type = "jet"
  2906. 25.04 s > quantity = "PT"
  2907. 25.04 s > dR = 0.4
  2908. 25.04 s > [...]
  2909. 25.04 s > [2026-09-14 04:22:49.004] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  2910. 25.04 s > The application panicked (crashed).
  2911. 25.04 s > Message: index out of bounds: the len is 0 but the index is 0
  2912. 25.04 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2913. 25.04 s >
  2914. 25.04 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2915. 25.04 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2916. 25.04 s > at <unknown source file>:<unknown line>
  2917. 25.04 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2918. 25.04 s > at <unknown source file>:<unknown line>
  2919. 25.04 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2920. 25.04 s > at <unknown source file>:<unknown line>
  2921. 25.04 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2922. 25.04 s > at <unknown source file>:<unknown line>
  2923. 25.04 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2924. 25.04 s > at <unknown source file>:<unknown line>
  2925. 25.04 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2926. 25.04 s > at <unknown source file>:<unknown line>
  2927. 25.04 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2928. 25.04 s > at <unknown source file>:<unknown line>
  2929. 25.04 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2930. 25.04 s > at <unknown source file>:<unknown line>
  2931. 25.04 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>
  2932. 25.04 s > at <unknown source file>:<unknown line>
  2933. 25.04 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>
  2934. 25.04 s > at <unknown source file>:<unknown line>
  2935. 25.04 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2936. 25.04 s > at <unknown source file>:<unknown line>
  2937. 25.04 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2938. 25.04 s > at <unknown source file>:<unknown line>
  2939. 25.04 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2940. 25.04 s > at <unknown source file>:<unknown line>
  2941. 25.04 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2942. 25.04 s > at <unknown source file>:<unknown line>
  2943. 25.04 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  2944. 25.04 s > at <unknown source file>:<unknown line>
  2945. 25.04 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  2946. 25.04 s > at <unknown source file>:<unknown line>
  2947. 25.04 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2948. 25.04 s > at <unknown source file>:<unknown line>
  2949. 25.04 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>
  2950. 25.04 s > at <unknown source file>:<unknown line>
  2951. 25.04 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2952. 25.04 s > at <unknown source file>:<unknown line>
  2953. 25.04 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2954. 25.04 s > at <unknown source file>:<unknown line>
  2955. 25.04 s > 21: PyEval_EvalCode.localalias<unknown>
  2956. 25.04 s > at <unknown source file>:<unknown line>
  2957. 25.04 s > 22: run_eval_code_obj<unknown>
  2958. 25.04 s > at <unknown source file>:<unknown line>
  2959. 25.04 s > 23: run_mod<unknown>
  2960. 25.04 s > at <unknown source file>:<unknown line>
  2961. 25.04 s > 24: Py_RunMain.localalias<unknown>
  2962. 25.04 s > at <unknown source file>:<unknown line>
  2963. 25.04 s > 25: __libc_start_call_main<unknown>
  2964. 25.04 s > at <unknown source file>:<unknown line>
  2965. 25.04 s > 26: __libc_start_main_alias_2<unknown>
  2966. 25.04 s > at <unknown source file>:<unknown line>
  2967. 25.04 s > 27: _start<unknown>
  2968. 25.04 s > at <unknown source file>:<unknown line>
  2969. 25.04 s >
  2970. 25.04 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2971. 25.04 s > Run with RUST_BACKTRACE=full to include source snippets.
  2972. 25.04 s > Traceback (most recent call last):
  2973. 25.04 s > File "<string>", line 85, in <module>
  2974. 25.04 s > batch = summarize_batch_result(api.evaluate_samples(points))
  2975. 25.04 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  2976. 25.04 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2977. 25.04 s >
  2978. 25.04 s >
  2979. 25.04 s > Location:
  2980. 25.04 s > tests/tests/test_python_api.rs:156:20
  2981. 25.04 s > system-out
  2982. 25.04 s > running 1 test
  2983. 25.04 s > test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  2984. 25.04 s >
  2985. 25.04 s > failures:
  2986. 25.04 s >
  2987. 25.04 s > failures:
  2988. 25.04 s > python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  2989. 25.04 s >
  2990. 25.04 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.61s
  2991. 25.04 s > system-err
  2992. 25.04 s > Error: Python API test subprocess failed.
  2993. 25.04 s > stdout:
  2994. 25.04 s >
  2995. 25.04 s > stderr:
  2996. 25.04 s > [2026-09-14 04:22:48.565] @gammaloop_api::se... INFO : Running command import model sm-default
  2997. 25.04 s > [2026-09-14 04:22:48.565] @import::model INFO : Loading built-in JSON model sm-default
  2998. 25.04 s > [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2999. 25.04 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  3000. 25.04 s > [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  3001. 25.04 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-)
  3002. 25.04 s > [2026-09-14 04:22:48.592] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  3003. 25.04 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
  3004. 25.04 s > [2026-09-14 04:22:48.592] @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]}}'
  3005. 25.04 s > [2026-09-14 04:22:48.593] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  3006. 25.04 s > [2026-09-14 04:22:48.594] @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
  3007. 25.04 s > [2026-09-14 04:22:48.596] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  3008. 25.04 s > [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  3009. 25.04 s > [2026-09-14 04:22:48.598] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  3010. 25.04 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  3011. 25.04 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  3012. 25.04 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  3013. 25.04 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  3014. 25.04 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  3015. 25.04 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  3016. 25.04 s > [2026-09-14 04:22:48.599] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  3017. 25.04 s > [2026-09-14 04:22:48.698] @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)
  3018. 25.04 s > [2026-09-14 04:22:48.698] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  3019. 25.04 s > [2026-09-14 04:22:48.698] @commands::generate INFO : Generated cross-section 2 graphs.
  3020. 25.04 s > [2026-09-14 04:22:48.698] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  3021. 25.04 s > [2026-09-14 04:22:48.699] @gammaloop_api::se... INFO : Running command generate
  3022. 25.04 s > [2026-09-14 04:22:49.002] @commands::generate INFO :
  3023. 25.04 s > Integrand generation summary
  3024. 25.04 s > peak RAM 101.77 MiB | cores 1
  3025. 25.04 s > ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  3026. 25.04 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  3027. 25.04 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  3028. 25.04 s > │ default │ GL0 │ 3 │ 38ms (46%) │ 22ms (26%) │ 23ms (28%) │ 0ms (0.00%) │
  3029. 25.04 s > │ default │ GL2 │ 5 │ 63ms (33%) │ 59ms (31%) │ 68ms (36%) │ 0ms (0.00%) │
  3030. 25.04 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  3031. 25.04 s > │ Total │ │ 8 │ 102ms (37%) │ 81ms (29%) │ 91ms (33%) │ 0ms (0.00%) │
  3032. 25.04 s > ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  3033. 25.04 s > [2026-09-14 04:22:49.003] @gammaloop_api::se... INFO : Running command set process string '
  3034. 25.04 s > [quantities.leading_jet_pt]
  3035. 25.04 s > type = "jet"
  3036. 25.04 s > quantity = "PT"
  3037. 25.04 s > dR = 0.4
  3038. 25.04 s > [...]
  3039. 25.04 s > [2026-09-14 04:22:49.004] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  3040. 25.04 s > The application panicked (crashed).
  3041. 25.04 s > Message: index out of bounds: the len is 0 but the index is 0
  3042. 25.04 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  3043. 25.04 s >
  3044. 25.04 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  3045. 25.04 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  3046. 25.04 s > at <unknown source file>:<unknown line>
  3047. 25.04 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  3048. 25.04 s > at <unknown source file>:<unknown line>
  3049. 25.04 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  3050. 25.04 s > at <unknown source file>:<unknown line>
  3051. 25.04 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  3052. 25.04 s > at <unknown source file>:<unknown line>
  3053. 25.04 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  3054. 25.04 s > at <unknown source file>:<unknown line>
  3055. 25.04 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  3056. 25.04 s > at <unknown source file>:<unknown line>
  3057. 25.04 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  3058. 25.04 s > at <unknown source file>:<unknown line>
  3059. 25.04 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  3060. 25.04 s > at <unknown source file>:<unknown line>
  3061. 25.04 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>
  3062. 25.04 s > at <unknown source file>:<unknown line>
  3063. 25.04 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>
  3064. 25.04 s > at <unknown source file>:<unknown line>
  3065. 25.04 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  3066. 25.04 s > at <unknown source file>:<unknown line>
  3067. 25.04 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  3068. 25.04 s > at <unknown source file>:<unknown line>
  3069. 25.04 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  3070. 25.04 s > at <unknown source file>:<unknown line>
  3071. 25.04 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  3072. 25.04 s > at <unknown source file>:<unknown line>
  3073. 25.04 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  3074. 25.04 s > at <unknown source file>:<unknown line>
  3075. 25.04 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  3076. 25.04 s > at <unknown source file>:<unknown line>
  3077. 25.04 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  3078. 25.04 s > at <unknown source file>:<unknown line>
  3079. 25.04 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>
  3080. 25.04 s > at <unknown source file>:<unknown line>
  3081. 25.04 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  3082. 25.04 s > at <unknown source file>:<unknown line>
  3083. 25.04 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  3084. 25.04 s > at <unknown source file>:<unknown line>
  3085. 25.04 s > 21: PyEval_EvalCode.localalias<unknown>
  3086. 25.04 s > at <unknown source file>:<unknown line>
  3087. 25.04 s > 22: run_eval_code_obj<unknown>
  3088. 25.04 s > at <unknown source file>:<unknown line>
  3089. 25.04 s > 23: run_mod<unknown>
  3090. 25.04 s > at <unknown source file>:<unknown line>
  3091. 25.04 s > 24: Py_RunMain.localalias<unknown>
  3092. 25.04 s > at <unknown source file>:<unknown line>
  3093. 25.04 s > 25: __libc_start_call_main<unknown>
  3094. 25.04 s > at <unknown source file>:<unknown line>
  3095. 25.04 s > 26: __libc_start_main_alias_2<unknown>
  3096. 25.04 s > at <unknown source file>:<unknown line>
  3097. 25.04 s > 27: _start<unknown>
  3098. 25.04 s > at <unknown source file>:<unknown line>
  3099. 25.04 s >
  3100. 25.04 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  3101. 25.04 s > Run with RUST_BACKTRACE=full to include source snippets.
  3102. 25.04 s > Traceback (most recent call last):
  3103. 25.04 s > File "<string>", line 85, in <module>
  3104. 25.04 s > batch = summarize_batch_result(api.evaluate_samples(points))
  3105. 25.04 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  3106. 25.04 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  3107. 25.04 s >
  3108. 25.04 s >
  3109. 25.04 s > Location:
  3110. 25.04 s > tests/tests/test_python_api.rs:156:20
  3111. 25.04 s > =========================================
  3112. 25.04 s For full logs, run:
  3113. 25.04 s nix log /nix/store/66j1x39543kg5dqis2p8an918rhhgklr-gammaloop-nextest-python-api.drv
  3114. 25.17 s Run failed.