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

Reproduce this run
Retry Run
  1. 0.00 s $ /nix/store/9ypz3flqsrl5xl495mm8h645gadjsxi1-coreutils-9.11/bin/timeout --kill-after=15s 7200s /nix/store/23zk8sgzamrbmj1fday15szf7f2279s8-nix-2.34.7/bin/nix --extra-experimental-features nix-command --extra-experimental-features flakes flake clone git+https://github.com/alphal00p/gammaloop --dest /tmp/nix-ci-worker/stable-pwd/repo/
  2. 0.07 s Cloning into '/tmp/nix-ci-worker/stable-pwd/repo'...
  3. 1.72 s remote: Enumerating objects: 77402 remote: Enumerating objects: 86604, done.
  4. 1.84 s remote: Counting objects: 0% (1/9202) remote: Counting objects: 1% (93/9202) remote: Counting objects: 2% (185/9202) remote: Counting objects: 3% (277/9202) remote: Counting objects: 4% (369/9202) remote: Counting objects: 5% (461/9202) remote: Counting objects: 6% (553/9202) remote: Counting objects: 7% (645/9202) remote: Counting objects: 8% (737/9202) remote: Counting objects: 9% (829/9202) remote: Counting objects: 10% (921/9202) remote: Counting objects: 11% (1013/9202) remote: Counting objects: 12% (1105/9202) remote: Counting objects: 13% (1197/9202) remote: Counting objects: 14% (1289/9202) remote: Counting objects: 15% (1381/9202) remote: Counting objects: 16% (1473/9202) remote: Counting objects: 17% (1565/9202) remote: Counting objects: 18% (1657/9202) remote: Counting objects: 19% (1749/9202) remote: Counting objects: 20% (1841/9202) remote: Counting objects: 21% (1933/9202) remote: Counting objects: 22% (2025/9202) remote: Counting objects: 23% (2117/9202) remote: Counting objects: 24% (2209/9202) remote: Counting objects: 25% (2301/9202) remote: Counting objects: 26% (2393/9202) remote: Counting objects: 27% (2485/9202) remote: Counting objects: 28% (2577/9202) remote: Counting objects: 29% (2669/9202) remote: Counting objects: 30% (2761/9202) remote: Counting objects: 31% (2853/9202) remote: Counting objects: 32% (2945/9202) remote: Counting objects: 33% (3037/9202) remote: Counting objects: 34% (3129/9202) remote: Counting objects: 35% (3221/9202) remote: Counting objects: 36% (3313/9202) remote: Counting objects: 37% (3405/9202) remote: Counting objects: 38% (3497/9202) remote: Counting objects: 39% (3589/9202) remote: Counting objects: 40% (3681/9202) remote: Counting objects: 41% (3773/9202) remote: Counting objects: 42% (3865/9202) remote: Counting objects: 43% (3957/9202) remote: Counting objects: 44% (4049/9202) remote: Counting objects: 45% (4141/9202) remote: Counting objects: 46% (4233/9202) remote: Counting objects: 47% (4325/9202) remote: Counting objects: 48% (4417/9202) remote: Counting objects: 49% (4509/9202) remote: Counting objects: 50% (4601/9202) remote: Counting objects: 51% (4694/9202) remote: Counting objects: 52% (4786/9202) remote: Counting objects: 53% (4878/9202) remote: Counting objects: 54% (4970/9202) remote: Counting objects: 55% (5062/9202) remote: Counting objects: 56% (5154/9202) remote: Counting objects: 57% (5246/9202) remote: Counting objects: 58% (5338/9202) remote: Counting objects: 59% (5430/9202) remote: Counting objects: 60% (5522/9202) remote: Counting objects: 61% (5614/9202) remote: Counting objects: 62% (5706/9202) remote: Counting objects: 63% (5798/9202) remote: Counting objects: 64% (5890/9202) remote: Counting objects: 65% (5982/9202) remote: Counting objects: 66% (6074/9202) remote: Counting objects: 67% (6166/9202) remote: Counting objects: 68% (6258/9202) remote: Counting objects: 69% (6350/9202) remote: Counting objects: 70% (6442/9202) remote: Counting objects: 71% (6534/9202) remote: Counting objects: 72% (6626/9202) remote: Counting objects: 73% (6718/9202) remote: Counting objects: 74% (6810/9202) remote: Counting objects: 75% (6902/9202) remote: Counting objects: 76% (6994/9202) remote: Counting objects: 77% (7086/9202) remote: Counting objects: 78% (7178/9202) remote: Counting objects: 79% (7270/9202) remote: Counting objects: 80% (7362/9202) remote: Counting objects: 81% (7454/9202) remote: Counting objects: 82% (7546/9202) remote: Counting objects: 83% (7638/9202) remote: Counting objects: 84% (7730/9202) remote: Counting objects: 85% (7822/9202) remote: Counting objects: 86% (7914/9202) remote: Counting objects: 87% (8006/9202) remote: Counting objects: 88% (8098/9202) remote: Counting objects: 89% (8190/9202) remote: Counting objects: 90% (8282/9202) remote: Counting objects: 91% (8374/9202) remote: Counting objects: 92% (8466/9202) remote: Counting objects: 93% (8558/9202) remote: Counting objects: 94% (8650/9202) remote: Counting objects: 95% (8742/9202) remote: Counting objects: 96% (8834/9202) remote: Counting objects: 97% (8926/9202) remote: Counting objects: 98% (9018/9202) remote: Counting objects: 99% (9110/9202) remote: Counting objects: 100% (9202/9202) remote: Counting objects: 100% (9202/9202), done.
  5. 4.18 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% (269/2147) 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: 21% (469/2147) remote: Compressing objects: 22% (473/2147) 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. 9.00 s Receiving objects: 0% (1/86604) Receiving objects: 1% (867/86604) Receiving objects: 2% (1733/86604) Receiving objects: 3% (2599/86604) Receiving objects: 4% (3465/86604) Receiving objects: 5% (4331/86604) Receiving objects: 6% (5197/86604) Receiving objects: 7% (6063/86604) Receiving objects: 8% (6929/86604) Receiving objects: 9% (7795/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 10% (8661/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 11% (9527/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 12% (10393/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 13% (11259/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 14% (12125/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 15% (12991/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 16% (13857/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 17% (14723/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 18% (15589/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 19% (16455/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 20% (17321/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 21% (18187/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 22% (19053/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 23% (19919/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 24% (20785/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 25% (21651/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 26% (22518/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 27% (23384/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 28% (24250/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 29% (25116/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 30% (25982/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 31% (26848/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 32% (27714/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 33% (28580/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 34% (29446/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 35% (30312/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 36% (31178/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 37% (32044/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 38% (32910/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 39% (33776/86604), 15.68 MiB | 31.33 MiB/s Receiving objects: 39% (33913/86604), 32.65 MiB | 32.45 MiB/s Receiving objects: 40% (34642/86604), 32.65 MiB | 32.45 MiB/s Receiving objects: 41% (35508/86604), 32.65 MiB | 32.45 MiB/s Receiving objects: 42% (36374/86604), 32.65 MiB | 32.45 MiB/s Receiving objects: 43% (37240/86604), 32.65 MiB | 32.45 MiB/s Receiving objects: 44% (38106/86604), 32.65 MiB | 32.45 MiB/s Receiving objects: 45% (38972/86604), 32.65 MiB | 32.45 MiB/s Receiving objects: 46% (39838/86604), 32.65 MiB | 32.45 MiB/s Receiving objects: 47% (40704/86604), 47.82 MiB | 31.67 MiB/s Receiving objects: 48% (41570/86604), 47.82 MiB | 31.67 MiB/s Receiving objects: 49% (42436/86604), 47.82 MiB | 31.67 MiB/s Receiving objects: 50% (43302/86604), 47.82 MiB | 31.67 MiB/s Receiving objects: 51% (44169/86604), 47.82 MiB | 31.67 MiB/s Receiving objects: 52% (45035/86604), 47.82 MiB | 31.67 MiB/s Receiving objects: 53% (45901/86604), 47.82 MiB | 31.67 MiB/s Receiving objects: 54% (46767/86604), 47.82 MiB | 31.67 MiB/s Receiving objects: 55% (47633/86604), 47.82 MiB | 31.67 MiB/s Receiving objects: 56% (48499/86604), 47.82 MiB | 31.67 MiB/s Receiving objects: 56% (48725/86604), 65.31 MiB | 32.49 MiB/s Receiving objects: 57% (49365/86604), 65.31 MiB | 32.49 MiB/s Receiving objects: 58% (50231/86604), 65.31 MiB | 32.49 MiB/s Receiving objects: 59% (51097/86604), 65.31 MiB | 32.49 MiB/s Receiving objects: 60% (51963/86604), 65.31 MiB | 32.49 MiB/s Receiving objects: 61% (52829/86604), 65.31 MiB | 32.49 MiB/s Receiving objects: 62% (53695/86604), 65.31 MiB | 32.49 MiB/s Receiving objects: 63% (54561/86604), 65.31 MiB | 32.49 MiB/s Receiving objects: 64% (55427/86604), 65.31 MiB | 32.49 MiB/s Receiving objects: 65% (56293/86604), 65.31 MiB | 32.49 MiB/s Receiving objects: 66% (57159/86604), 81.61 MiB | 32.37 MiB/s Receiving objects: 66% (57330/86604), 97.43 MiB | 32.21 MiB/s Receiving objects: 67% (58025/86604), 97.43 MiB | 32.21 MiB/s Receiving objects: 68% (58891/86604), 97.43 MiB | 32.21 MiB/s Receiving objects: 69% (59757/86604), 97.43 MiB | 32.21 MiB/s Receiving objects: 70% (60623/86604), 97.43 MiB | 32.21 MiB/s Receiving objects: 71% (61489/86604), 97.43 MiB | 32.21 MiB/s Receiving objects: 72% (62355/86604), 97.43 MiB | 32.21 MiB/s Receiving objects: 73% (63221/86604), 115.14 MiB | 32.67 MiB/s Receiving objects: 74% (64087/86604), 115.14 MiB | 32.67 MiB/s Receiving objects: 74% (64538/86604), 115.14 MiB | 32.67 MiB/s Receiving objects: 75% (64953/86604), 131.34 MiB | 32.54 MiB/s Receiving objects: 76% (65820/86604), 131.34 MiB | 32.54 MiB/s Receiving objects: 77% (66686/86604), 131.34 MiB | 32.54 MiB/s Receiving objects: 78% (67552/86604), 131.34 MiB | 32.54 MiB/s Receiving objects: 79% (68418/86604), 131.34 MiB | 32.54 MiB/s Receiving objects: 80% (69284/86604), 131.34 MiB | 32.54 MiB/s Receiving objects: 81% (70150/86604), 131.34 MiB | 32.54 MiB/s Receiving objects: 82% (71016/86604), 131.34 MiB | 32.54 MiB/s Receiving objects: 83% (71882/86604), 131.34 MiB | 32.54 MiB/s Receiving objects: 84% (72748/86604), 131.34 MiB | 32.54 MiB/s Receiving objects: 85% (73614/86604), 131.34 MiB | 32.54 MiB/s Receiving objects: 86% (74480/86604), 131.34 MiB | 32.54 MiB/s Receiving objects: 87% (75346/86604), 147.57 MiB | 32.49 MiB/s Receiving objects: 88% (76212/86604), 147.57 MiB | 32.49 MiB/s Receiving objects: 89% (77078/86604), 147.57 MiB | 32.49 MiB/s Receiving objects: 90% (77944/86604), 147.57 MiB | 32.49 MiB/s Receiving objects: 91% (78810/86604), 147.57 MiB | 32.49 MiB/s Receiving objects: 92% (79676/86604), 147.57 MiB | 32.49 MiB/s Receiving objects: 93% (80542/86604), 147.57 MiB | 32.49 MiB/s Receiving objects: 94% (81408/86604), 147.57 MiB | 32.49 MiB/s Receiving objects: 95% (82274/86604), 147.57 MiB | 32.49 MiB/s Receiving objects: 96% (83140/86604), 147.57 MiB | 32.49 MiB/s Receiving objects: 97% (84006/86604), 147.57 MiB | 32.49 MiB/s Receiving objects: 98% (84872/86604), 147.57 MiB | 32.49 MiB/s Receiving objects: 99% (85738/86604), 147.57 MiB | 32.49 MiB/s remote: Total 86604 (delta 7941), reused 7228 (delta 7049), pack-reused 77402 (from 3)
  7. 9.00 s Receiving objects: 100% (86604/86604), 147.57 MiB | 32.49 MiB/s Receiving objects: 100% (86604/86604), 157.26 MiB | 32.68 MiB/s, done.
  8. 9.88 s Resolving deltas: 0% (0/58806) Resolving deltas: 1% (590/58806) Resolving deltas: 2% (1177/58806) Resolving deltas: 3% (1765/58806) Resolving deltas: 4% (2353/58806) Resolving deltas: 5% (2941/58806) Resolving deltas: 6% (3530/58806) Resolving deltas: 7% (4117/58806) Resolving deltas: 8% (4705/58806) Resolving deltas: 9% (5293/58806) Resolving deltas: 10% (5881/58806) Resolving deltas: 11% (6469/58806) Resolving deltas: 12% (7057/58806) Resolving deltas: 13% (7645/58806) Resolving deltas: 14% (8234/58806) Resolving deltas: 15% (8821/58806) Resolving deltas: 16% (9409/58806) Resolving deltas: 17% (10001/58806) Resolving deltas: 18% (10586/58806) Resolving deltas: 19% (11174/58806) Resolving deltas: 20% (11762/58806) Resolving deltas: 21% (12350/58806) Resolving deltas: 22% (12939/58806) Resolving deltas: 23% (13526/58806) Resolving deltas: 24% (14114/58806) Resolving deltas: 25% (14704/58806) Resolving deltas: 26% (15290/58806) Resolving deltas: 27% (15878/58806) Resolving deltas: 28% (16466/58806) Resolving deltas: 29% (17054/58806) Resolving deltas: 30% (17642/58806) Resolving deltas: 31% (18230/58806) Resolving deltas: 32% (18818/58806) Resolving deltas: 33% (19406/58806) Resolving deltas: 34% (19995/58806) Resolving deltas: 35% (20583/58806) Resolving deltas: 36% (21171/58806) Resolving deltas: 37% (21759/58806) Resolving deltas: 38% (22347/58806) Resolving deltas: 39% (22935/58806) Resolving deltas: 40% (23523/58806) Resolving deltas: 41% (24111/58806) Resolving deltas: 42% (24699/58806) Resolving deltas: 43% (25287/58806) Resolving deltas: 44% (25877/58806) Resolving deltas: 45% (26463/58806) Resolving deltas: 46% (27052/58806) Resolving deltas: 47% (27641/58806) Resolving deltas: 48% (28227/58806) Resolving deltas: 49% (28817/58806) Resolving deltas: 50% (29403/58806) Resolving deltas: 51% (29992/58806) Resolving deltas: 52% (30580/58806) Resolving deltas: 53% (31168/58806) Resolving deltas: 54% (31756/58806) Resolving deltas: 55% (32344/58806) Resolving deltas: 56% (32932/58806) Resolving deltas: 57% (33520/58806) Resolving deltas: 58% (34108/58806) Resolving deltas: 59% (34696/58806) Resolving deltas: 60% (35284/58806) Resolving deltas: 61% (35873/58806) Resolving deltas: 62% (36460/58806) Resolving deltas: 63% (37048/58806) Resolving deltas: 64% (37636/58806) Resolving deltas: 65% (38224/58806) Resolving deltas: 66% (38812/58806) Resolving deltas: 67% (39401/58806) Resolving deltas: 68% (39990/58806) Resolving deltas: 69% (40577/58806) Resolving deltas: 70% (41168/58806) Resolving deltas: 71% (41753/58806) Resolving deltas: 72% (42344/58806) Resolving deltas: 73% (42929/58806) Resolving deltas: 74% (43518/58806) Resolving deltas: 75% (44105/58806) Resolving deltas: 76% (44693/58806) Resolving deltas: 77% (45281/58806) Resolving deltas: 78% (45869/58806) Resolving deltas: 79% (46457/58806) Resolving deltas: 80% (47045/58806) Resolving deltas: 81% (47633/58806) Resolving deltas: 82% (48221/58806) Resolving deltas: 83% (48809/58806) Resolving deltas: 84% (49398/58806) Resolving deltas: 85% (49986/58806) Resolving deltas: 86% (50574/58806) Resolving deltas: 87% (51162/58806) Resolving deltas: 88% (51751/58806) Resolving deltas: 89% (52338/58806) Resolving deltas: 90% (52927/58806) Resolving deltas: 91% (53514/58806) Resolving deltas: 92% (54102/58806) Resolving deltas: 93% (54694/58806) Resolving deltas: 94% (55278/58806) Resolving deltas: 95% (55866/58806) Resolving deltas: 96% (56454/58806) Resolving deltas: 97% (57042/58806) Resolving deltas: 98% (57630/58806) Resolving deltas: 99% (58218/58806) Resolving deltas: 100% (58806/58806) Resolving deltas: 100% (58806/58806), done.
  9. 10.27 s Fetching commit f446d6ce5dbe9ffc5da4fdc84c8dd7da02cf2df5 for advanced_sampling ...
  10. 10.27 s $ /nix/store/bcnisk3ydfgv26v2gw3zlky24g00yww2-git-2.54.0/bin/git fetch origin f446d6ce5dbe9ffc5da4fdc84c8dd7da02cf2df5
  11. 10.68 s From https://github.com/alphal00p/gammaloop
  12. 10.68 s * branch f446d6ce5dbe9ffc5da4fdc84c8dd7da02cf2df5 -> FETCH_HEAD
  13. 10.69 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 f446d6ce5dbe9ffc5da4fdc84c8dd7da02cf2df5
  14. 10.91 s HEAD is now at f446d6ce5 retain one sampling draw across physical precision rescue
  15. 10.92 s $ /nix/store/9ypz3flqsrl5xl495mm8h645gadjsxi1-coreutils-9.11/bin/timeout --kill-after=15s 7200s /nix/store/23zk8sgzamrbmj1fday15szf7f2279s8-nix-2.34.7/bin/nix --extra-experimental-features nix-command --extra-experimental-features flakes --log-format internal-json run .#packages.x86_64-linux.nix-ci-check-gammaloop-nextest-python-api --print-build-logs
  16. 18.29 s
  17. 18.57 s Downloading cached nix-ci-check-gammaloop-nextest-python-api from https://cache.nix-ci.com
  18. 18.57 s Downloaded cached nix-ci-check-gammaloop-nextest-python-api (1104 B) in 4ms
  19. 18.57 s Progress: 0 of 1 built, 1 of 1 downloaded from cache
  20. 26.47 s evaluating derivation 'g copying '/nix/store/bv08 evaluating derivation 'g copying '/nix/store/bv08 evaluating derivation 'g copying '/nix/store/bv08 evaluating derivation 'g copying '/nix/store/bv08 evaluating derivation 'g copying '/nix/store/bv08 evaluating derivation 'g copying '/nix/store/bv08 evaluating derivation 'g copying '/nix/store/bv08 evaluating derivation 'g copying '/nix/store/bv08 evaluating derivation 'g copying '/nix/store/bv08 evaluating derivation 'g copying '/nix/store/bv08 evaluating derivation 'g copying '/nix/store/bv08 evaluating derivation 'g copying '/nix/store/bv08 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-wMuDUf
  21. 26.53 s gammaloop-nextest-python-api> Extracted 18 files to /build/nextest-archive-wMuDUf in 0.06s
  22. 26.54 s gammaloop-nextest-python-api> ------------
  23. 26.54 s gammaloop-nextest-python-api> Nextest run ID f6430832-ff28-4347-8963-0ec6cacd5506 with nextest profile: ci_gammaloop
  24. 26.54 s gammaloop-nextest-python-api> Starting 5 tests across 1 binary
  25. 27.14 s gammaloop-nextest-python-api> FAIL [ 0.601s] (3/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  26. 27.14 s gammaloop-nextest-python-api> stdout ---
  27. 27.14 s gammaloop-nextest-python-api>
  28. 27.14 s gammaloop-nextest-python-api> running 1 test
  29. 27.14 s gammaloop-nextest-python-api> test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  30. 27.14 s gammaloop-nextest-python-api>
  31. 27.14 s gammaloop-nextest-python-api> failures:
  32. 27.14 s gammaloop-nextest-python-api>
  33. 27.14 s gammaloop-nextest-python-api> failures:
  34. 27.14 s gammaloop-nextest-python-api> python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  35. 27.14 s gammaloop-nextest-python-api>
  36. 27.14 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  37. 27.14 s gammaloop-nextest-python-api>
  38. 27.14 s gammaloop-nextest-python-api> stderr ---
  39. 27.14 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  40. 27.14 s gammaloop-nextest-python-api> stdout:
  41. 27.14 s gammaloop-nextest-python-api>
  42. 27.14 s gammaloop-nextest-python-api> stderr:
  43. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  44. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  45. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  46. 27.14 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  47. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  48. 27.14 s gammaloop-nextest-python-api> V_82 -> (c~, d, G+) | V_83 -> (t~, d, G+) | V_84 -> (c~, s, G+) | V_85 -> (t~, s, G+) | V_86 -> (u~, b, G+) | V_87 -> (c~, b, G+) | V_90 -> (c~, d, W+) | V_91 -> (t~, d, W+) | V_92 -> (u~, s, W+) | V_94 -> (t~, s, W+) | V_95 -> (u~, b, W+) | V_96 -> (c~, b, W+) | V_101 -> (e+, e-, G0) | V_102 -> (mu+, mu-, G0) | V_104 -> (e+, e-, H) | V_105 -> (mu+, mu-, H) | V_110 -> (ve~, e-, G+) | V_111 -> (vm~, mu-, G+) | V_116 -> (b~, u, G-) | V_117 -> (d~, c, G-) | V_118 -> (s~, c, G-) | V_119 -> (b~, c, G-) | V_120 -> (d~, t, G-) | V_121 -> (s~, t, G-) | V_124 -> (s~, u, W-) | V_125 -> (b~, u, W-) | V_126 -> (d~, c, W-) | V_128 -> (b~, c, W-) | V_129 -> (d~, t, W-) | V_130 -> (s~, t, W-) | V_138 -> (c~, c, G0) | V_140 -> (c~, c, H) | V_145 -> (e+, ve, G-) | V_146 -> (mu+, vm, G-)
  49. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  50. 27.14 s gammaloop-nextest-python-api> GC_13, GC_14, GC_16, GC_17, GC_18, GC_19, GC_20, GC_22, GC_23, GC_24, GC_25, GC_26, GC_28, GC_29, GC_42, GC_43, GC_44, GC_46, GC_47, GC_48, GC_84, GC_85, GC_86, GC_87, GC_88, GC_89, GC_90, GC_91, GC_92, GC_93, GC_101, GC_102, GC_103, GC_105, GC_106, GC_107
  51. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammaloop_api::se... INFO : Running command set default-runtime kv kinematics.externals='{"type":"constant","data":{"momenta":[[32.0,0.0,0.0,32.0],[32.0,0.0,0.0,-32.0]],"helicities":[1,1]}}'
  52. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.683] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  53. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.684] @gammaloop_api::se... INFO : Running command generate xs e+ e- > d d~ g | e- a d g QED^2==4 [{{2}} QCD=0] --numerator-grouping group_identical_graphs_up_to_sign --clear-existing-processes --only-diagrams
  54. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.686] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  55. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  56. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  57. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  58. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  59. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  60. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  61. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  62. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  63. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.691] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  64. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.794] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after numerator-aware grouping with strategy 'up to a sign': 2 (2 isomorphically unique graphs, 0 color zero, 0 lorentz zero, 1 grouped and 0 cancellation)
  65. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.794] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  66. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.795] @commands::generate INFO : Generated cross-section 2 graphs.
  67. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.795] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  68. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.796] @gammaloop_api::se... INFO : Running command generate
  69. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.098] @commands::generate INFO :
  70. 27.14 s gammaloop-nextest-python-api> Integrand generation summary
  71. 27.14 s gammaloop-nextest-python-api> peak RAM 95.38 MiB | cores 1
  72. 27.14 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  73. 27.14 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  74. 27.14 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  75. 27.14 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 41ms (48%) │ 20ms (24%) │ 24ms (28%) │ 0ms (0.00%) │
  76. 27.14 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 59ms (31%) │ 59ms (32%) │ 70ms (37%) │ 0ms (0.00%) │
  77. 27.14 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  78. 27.14 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 101ms (37%) │ 80ms (29%) │ 94ms (34%) │ 0ms (0.00%) │
  79. 27.14 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  80. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.099] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  81. 27.14 s gammaloop-nextest-python-api> The application panicked (crashed).
  82. 27.14 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  83. 27.14 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  84. 27.14 s gammaloop-nextest-python-api>
  85. 27.14 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  86. 27.14 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  87. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  88. 27.14 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  89. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  90. 27.14 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  91. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  92. 27.14 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  93. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  94. 27.14 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  95. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  96. 27.14 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  97. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  98. 27.14 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  99. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  100. 27.14 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  101. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  102. 27.14 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>
  103. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  104. 27.14 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>
  105. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  106. 27.14 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  107. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  108. 27.14 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  109. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  110. 27.14 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  111. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  112. 27.14 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  113. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  114. 27.14 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  115. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  116. 27.14 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  117. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  118. 27.14 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>
  119. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  120. 27.14 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>
  121. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  122. 27.14 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  123. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  124. 27.14 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  125. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  126. 27.14 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  127. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  128. 27.14 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  129. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  130. 27.14 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  131. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  132. 27.14 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  133. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  134. 27.14 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  135. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  136. 27.14 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  137. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  138. 27.14 s gammaloop-nextest-python-api> 27: _start<unknown>
  139. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  140. 27.14 s gammaloop-nextest-python-api>
  141. 27.14 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  142. 27.14 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  143. 27.14 s gammaloop-nextest-python-api> Traceback (most recent call last):
  144. 27.14 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  145. 27.14 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  146. 27.14 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  147. 27.14 s gammaloop-nextest-python-api>
  148. 27.14 s gammaloop-nextest-python-api>
  149. 27.14 s gammaloop-nextest-python-api> Location:
  150. 27.14 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  151. 27.14 s gammaloop-nextest-python-api>
  152. 27.14 s gammaloop-nextest-python-api> FAIL [ 0.601s] (4/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  153. 27.14 s gammaloop-nextest-python-api> stdout ---
  154. 27.14 s gammaloop-nextest-python-api>
  155. 27.14 s gammaloop-nextest-python-api> running 1 test
  156. 27.14 s gammaloop-nextest-python-api> test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  157. 27.14 s gammaloop-nextest-python-api>
  158. 27.14 s gammaloop-nextest-python-api> failures:
  159. 27.14 s gammaloop-nextest-python-api>
  160. 27.14 s gammaloop-nextest-python-api> failures:
  161. 27.14 s gammaloop-nextest-python-api> python_evaluate_sample_honors_generate_events_and_observable_snapshots
  162. 27.14 s gammaloop-nextest-python-api>
  163. 27.14 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  164. 27.14 s gammaloop-nextest-python-api>
  165. 27.14 s gammaloop-nextest-python-api> stderr ---
  166. 27.14 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  167. 27.14 s gammaloop-nextest-python-api> stdout:
  168. 27.14 s gammaloop-nextest-python-api>
  169. 27.14 s gammaloop-nextest-python-api> stderr:
  170. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  171. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  172. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  173. 27.14 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  174. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  175. 27.14 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-)
  176. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  177. 27.14 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
  178. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.685] @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]}}'
  179. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.686] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  180. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.687] @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
  181. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  182. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  183. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  184. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  185. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  186. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  187. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  188. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  189. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  190. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  191. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.792] @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)
  192. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.792] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  193. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.792] @commands::generate INFO : Generated cross-section 2 graphs.
  194. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.792] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  195. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.793] @gammaloop_api::se... INFO : Running command generate
  196. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.096] @commands::generate INFO :
  197. 27.14 s gammaloop-nextest-python-api> Integrand generation summary
  198. 27.14 s gammaloop-nextest-python-api> peak RAM 96.34 MiB | cores 1
  199. 27.14 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  200. 27.14 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  201. 27.14 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  202. 27.14 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 36ms (45%) │ 20ms (26%) │ 23ms (30%) │ 0ms (0.00%) │
  203. 27.14 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 58ms (31%) │ 59ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  204. 27.14 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  205. 27.14 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 94ms (35%) │ 79ms (30%) │ 93ms (35%) │ 0ms (0.00%) │
  206. 27.14 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  207. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.096] @gammaloop_api::se... INFO : Running command set process string '
  208. 27.14 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  209. 27.14 s gammaloop-nextest-python-api> type = "jet"
  210. 27.14 s gammaloop-nextest-python-api> quantity = "PT"
  211. 27.14 s gammaloop-nextest-python-api> dR = 0.4
  212. 27.14 s gammaloop-nextest-python-api> [...]
  213. 27.14 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.097] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  214. 27.14 s gammaloop-nextest-python-api> The application panicked (crashed).
  215. 27.14 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  216. 27.14 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  217. 27.14 s gammaloop-nextest-python-api>
  218. 27.14 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  219. 27.14 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  220. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  221. 27.14 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  222. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  223. 27.14 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  224. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  225. 27.14 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  226. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  227. 27.14 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  228. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  229. 27.14 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  230. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  231. 27.14 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  232. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  233. 27.14 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  234. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  235. 27.14 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>
  236. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  237. 27.14 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>
  238. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  239. 27.14 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  240. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  241. 27.14 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  242. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  243. 27.14 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  244. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  245. 27.14 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  246. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  247. 27.14 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  248. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  249. 27.14 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  250. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  251. 27.14 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>
  252. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  253. 27.14 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>
  254. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  255. 27.14 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  256. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  257. 27.14 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  258. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  259. 27.14 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  260. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  261. 27.14 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  262. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  263. 27.14 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  264. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  265. 27.14 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  266. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  267. 27.14 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  268. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  269. 27.14 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  270. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  271. 27.14 s gammaloop-nextest-python-api> 27: _start<unknown>
  272. 27.14 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  273. 27.14 s gammaloop-nextest-python-api>
  274. 27.14 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  275. 27.14 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  276. 27.14 s gammaloop-nextest-python-api> Traceback (most recent call last):
  277. 27.14 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  278. 27.14 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  279. 27.14 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  280. 27.14 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  281. 27.14 s gammaloop-nextest-python-api>
  282. 27.14 s gammaloop-nextest-python-api>
  283. 27.14 s gammaloop-nextest-python-api> Location:
  284. 27.14 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  285. 27.14 s gammaloop-nextest-python-api>
  286. 27.25 s gammaloop-nextest-python-api> FAIL [ 0.714s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  287. 27.25 s gammaloop-nextest-python-api> stdout ---
  288. 27.25 s gammaloop-nextest-python-api>
  289. 27.25 s gammaloop-nextest-python-api> running 1 test
  290. 27.25 s gammaloop-nextest-python-api> test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  291. 27.25 s gammaloop-nextest-python-api>
  292. 27.25 s gammaloop-nextest-python-api> failures:
  293. 27.25 s gammaloop-nextest-python-api>
  294. 27.25 s gammaloop-nextest-python-api> failures:
  295. 27.25 s gammaloop-nextest-python-api> python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  296. 27.25 s gammaloop-nextest-python-api>
  297. 27.25 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.71s
  298. 27.25 s gammaloop-nextest-python-api>
  299. 27.25 s gammaloop-nextest-python-api> stderr ---
  300. 27.25 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  301. 27.25 s gammaloop-nextest-python-api> stdout:
  302. 27.25 s gammaloop-nextest-python-api>
  303. 27.25 s gammaloop-nextest-python-api> stderr:
  304. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  305. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  306. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  307. 27.25 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  308. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  309. 27.25 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-)
  310. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  311. 27.25 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
  312. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @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]}}'
  313. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.683] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  314. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.684] @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
  315. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.686] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  316. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  317. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  318. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  319. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  320. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  321. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  322. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  323. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  324. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.691] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  325. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.789] @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)
  326. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.790] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  327. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.790] @commands::generate INFO : Generated cross-section 2 graphs.
  328. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.790] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  329. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.791] @gammaloop_api::se... INFO : Running command generate
  330. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.094] @commands::generate INFO :
  331. 27.25 s gammaloop-nextest-python-api> Integrand generation summary
  332. 27.25 s gammaloop-nextest-python-api> peak RAM 95.46 MiB | cores 1
  333. 27.25 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  334. 27.25 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  335. 27.25 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  336. 27.25 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 38ms (47%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  337. 27.25 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 56ms (30%) │ 61ms (33%) │ 69ms (37%) │ 0ms (0.00%) │
  338. 27.25 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  339. 27.25 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 93ms (34%) │ 0ms (0.00%) │
  340. 27.25 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  341. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.095] @gammaloop_api::se... INFO : Running command set process string '
  342. 27.25 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  343. 27.25 s gammaloop-nextest-python-api> type = "jet"
  344. 27.25 s gammaloop-nextest-python-api> quantity = "PT"
  345. 27.25 s gammaloop-nextest-python-api> dR = 0.4
  346. 27.25 s gammaloop-nextest-python-api> [...]
  347. 27.25 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.096] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  348. 27.25 s gammaloop-nextest-python-api> The application panicked (crashed).
  349. 27.25 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  350. 27.25 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  351. 27.25 s gammaloop-nextest-python-api>
  352. 27.25 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  353. 27.25 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  354. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  355. 27.25 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  356. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  357. 27.25 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  358. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  359. 27.25 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  360. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  361. 27.25 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  362. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  363. 27.25 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  364. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  365. 27.25 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  366. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  367. 27.25 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  368. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  369. 27.25 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>
  370. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  371. 27.25 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>
  372. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  373. 27.25 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  374. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  375. 27.25 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  376. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  377. 27.25 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  378. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  379. 27.25 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  380. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  381. 27.25 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  382. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  383. 27.25 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  384. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  385. 27.25 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>
  386. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  387. 27.25 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>
  388. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  389. 27.25 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  390. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  391. 27.25 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  392. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  393. 27.25 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  394. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  395. 27.25 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  396. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  397. 27.25 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  398. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  399. 27.25 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  400. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  401. 27.25 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  402. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  403. 27.25 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  404. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  405. 27.25 s gammaloop-nextest-python-api> 27: _start<unknown>
  406. 27.25 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  407. 27.25 s gammaloop-nextest-python-api>
  408. 27.25 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  409. 27.25 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  410. 27.25 s gammaloop-nextest-python-api> Traceback (most recent call last):
  411. 27.25 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  412. 27.25 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  413. 27.25 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  414. 27.25 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  415. 27.25 s gammaloop-nextest-python-api>
  416. 27.25 s gammaloop-nextest-python-api>
  417. 27.25 s gammaloop-nextest-python-api> Location:
  418. 27.25 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  419. 27.25 s gammaloop-nextest-python-api>
  420. 27.26 s gammaloop-nextest-python-api> ------------
  421. 27.26 s gammaloop-nextest-python-api> Summary [ 0.716s] 5 tests run: 2 passed, 3 failed, 0 skipped
  422. 27.26 s gammaloop-nextest-python-api> FAIL [ 0.601s] (3/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  423. 27.26 s gammaloop-nextest-python-api> stdout ---
  424. 27.26 s gammaloop-nextest-python-api>
  425. 27.26 s gammaloop-nextest-python-api> running 1 test
  426. 27.26 s gammaloop-nextest-python-api> test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  427. 27.26 s gammaloop-nextest-python-api>
  428. 27.26 s gammaloop-nextest-python-api> failures:
  429. 27.26 s gammaloop-nextest-python-api>
  430. 27.26 s gammaloop-nextest-python-api> failures:
  431. 27.26 s gammaloop-nextest-python-api> python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  432. 27.26 s gammaloop-nextest-python-api>
  433. 27.26 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  434. 27.26 s gammaloop-nextest-python-api>
  435. 27.26 s gammaloop-nextest-python-api> stderr ---
  436. 27.26 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  437. 27.26 s gammaloop-nextest-python-api> stdout:
  438. 27.26 s gammaloop-nextest-python-api>
  439. 27.26 s gammaloop-nextest-python-api> stderr:
  440. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  441. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  442. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  443. 27.26 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  444. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  445. 27.26 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-)
  446. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  447. 27.26 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
  448. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @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]}}'
  449. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.683] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  450. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.684] @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
  451. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.686] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  452. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  453. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  454. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  455. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  456. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  457. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  458. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  459. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  460. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.691] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  461. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.794] @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)
  462. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.794] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  463. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.795] @commands::generate INFO : Generated cross-section 2 graphs.
  464. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.795] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  465. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.796] @gammaloop_api::se... INFO : Running command generate
  466. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.098] @commands::generate INFO :
  467. 27.26 s gammaloop-nextest-python-api> Integrand generation summary
  468. 27.26 s gammaloop-nextest-python-api> peak RAM 95.38 MiB | cores 1
  469. 27.26 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  470. 27.26 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  471. 27.26 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  472. 27.26 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 41ms (48%) │ 20ms (24%) │ 24ms (28%) │ 0ms (0.00%) │
  473. 27.26 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 59ms (31%) │ 59ms (32%) │ 70ms (37%) │ 0ms (0.00%) │
  474. 27.26 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  475. 27.26 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 101ms (37%) │ 80ms (29%) │ 94ms (34%) │ 0ms (0.00%) │
  476. 27.26 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  477. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.099] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  478. 27.26 s gammaloop-nextest-python-api> The application panicked (crashed).
  479. 27.26 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  480. 27.26 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  481. 27.26 s gammaloop-nextest-python-api>
  482. 27.26 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  483. 27.26 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  484. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  485. 27.26 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  486. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  487. 27.26 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  488. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  489. 27.26 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  490. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  491. 27.26 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  492. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  493. 27.26 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  494. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  495. 27.26 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  496. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  497. 27.26 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  498. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  499. 27.26 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>
  500. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  501. 27.26 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>
  502. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  503. 27.26 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  504. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  505. 27.26 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  506. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  507. 27.26 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  508. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  509. 27.26 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  510. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  511. 27.26 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  512. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  513. 27.26 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  514. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  515. 27.26 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>
  516. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  517. 27.26 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>
  518. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  519. 27.26 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  520. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  521. 27.26 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  522. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  523. 27.26 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  524. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  525. 27.26 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  526. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  527. 27.26 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  528. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  529. 27.26 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  530. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  531. 27.26 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  532. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  533. 27.26 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  534. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  535. 27.26 s gammaloop-nextest-python-api> 27: _start<unknown>
  536. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  537. 27.26 s gammaloop-nextest-python-api>
  538. 27.26 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  539. 27.26 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  540. 27.26 s gammaloop-nextest-python-api> Traceback (most recent call last):
  541. 27.26 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  542. 27.26 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  543. 27.26 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  544. 27.26 s gammaloop-nextest-python-api>
  545. 27.26 s gammaloop-nextest-python-api>
  546. 27.26 s gammaloop-nextest-python-api> Location:
  547. 27.26 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  548. 27.26 s gammaloop-nextest-python-api>
  549. 27.26 s gammaloop-nextest-python-api> FAIL [ 0.601s] (4/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  550. 27.26 s gammaloop-nextest-python-api> stdout ---
  551. 27.26 s gammaloop-nextest-python-api>
  552. 27.26 s gammaloop-nextest-python-api> running 1 test
  553. 27.26 s gammaloop-nextest-python-api> test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  554. 27.26 s gammaloop-nextest-python-api>
  555. 27.26 s gammaloop-nextest-python-api> failures:
  556. 27.26 s gammaloop-nextest-python-api>
  557. 27.26 s gammaloop-nextest-python-api> failures:
  558. 27.26 s gammaloop-nextest-python-api> python_evaluate_sample_honors_generate_events_and_observable_snapshots
  559. 27.26 s gammaloop-nextest-python-api>
  560. 27.26 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  561. 27.26 s gammaloop-nextest-python-api>
  562. 27.26 s gammaloop-nextest-python-api> stderr ---
  563. 27.26 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  564. 27.26 s gammaloop-nextest-python-api> stdout:
  565. 27.26 s gammaloop-nextest-python-api>
  566. 27.26 s gammaloop-nextest-python-api> stderr:
  567. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  568. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  569. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  570. 27.26 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  571. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  572. 27.26 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-)
  573. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  574. 27.26 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
  575. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.685] @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]}}'
  576. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.686] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  577. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.687] @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
  578. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  579. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  580. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  581. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  582. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  583. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  584. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  585. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  586. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  587. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  588. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.792] @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)
  589. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.792] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  590. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.792] @commands::generate INFO : Generated cross-section 2 graphs.
  591. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.792] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  592. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.793] @gammaloop_api::se... INFO : Running command generate
  593. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.096] @commands::generate INFO :
  594. 27.26 s gammaloop-nextest-python-api> Integrand generation summary
  595. 27.26 s gammaloop-nextest-python-api> peak RAM 96.34 MiB | cores 1
  596. 27.26 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  597. 27.26 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  598. 27.26 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  599. 27.26 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 36ms (45%) │ 20ms (26%) │ 23ms (30%) │ 0ms (0.00%) │
  600. 27.26 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 58ms (31%) │ 59ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  601. 27.26 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  602. 27.26 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 94ms (35%) │ 79ms (30%) │ 93ms (35%) │ 0ms (0.00%) │
  603. 27.26 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  604. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.096] @gammaloop_api::se... INFO : Running command set process string '
  605. 27.26 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  606. 27.26 s gammaloop-nextest-python-api> type = "jet"
  607. 27.26 s gammaloop-nextest-python-api> quantity = "PT"
  608. 27.26 s gammaloop-nextest-python-api> dR = 0.4
  609. 27.26 s gammaloop-nextest-python-api> [...]
  610. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.097] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  611. 27.26 s gammaloop-nextest-python-api> The application panicked (crashed).
  612. 27.26 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  613. 27.26 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  614. 27.26 s gammaloop-nextest-python-api>
  615. 27.26 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  616. 27.26 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  617. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  618. 27.26 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  619. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  620. 27.26 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  621. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  622. 27.26 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  623. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  624. 27.26 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  625. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  626. 27.26 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  627. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  628. 27.26 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  629. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  630. 27.26 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  631. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  632. 27.26 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>
  633. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  634. 27.26 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>
  635. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  636. 27.26 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  637. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  638. 27.26 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  639. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  640. 27.26 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  641. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  642. 27.26 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  643. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  644. 27.26 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  645. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  646. 27.26 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  647. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  648. 27.26 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>
  649. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  650. 27.26 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>
  651. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  652. 27.26 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  653. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  654. 27.26 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  655. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  656. 27.26 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  657. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  658. 27.26 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  659. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  660. 27.26 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  661. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  662. 27.26 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  663. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  664. 27.26 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  665. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  666. 27.26 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  667. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  668. 27.26 s gammaloop-nextest-python-api> 27: _start<unknown>
  669. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  670. 27.26 s gammaloop-nextest-python-api>
  671. 27.26 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  672. 27.26 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  673. 27.26 s gammaloop-nextest-python-api> Traceback (most recent call last):
  674. 27.26 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  675. 27.26 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  676. 27.26 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  677. 27.26 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  678. 27.26 s gammaloop-nextest-python-api>
  679. 27.26 s gammaloop-nextest-python-api>
  680. 27.26 s gammaloop-nextest-python-api> Location:
  681. 27.26 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  682. 27.26 s gammaloop-nextest-python-api>
  683. 27.26 s gammaloop-nextest-python-api> FAIL [ 0.714s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  684. 27.26 s gammaloop-nextest-python-api> stdout ---
  685. 27.26 s gammaloop-nextest-python-api>
  686. 27.26 s gammaloop-nextest-python-api> running 1 test
  687. 27.26 s gammaloop-nextest-python-api> test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  688. 27.26 s gammaloop-nextest-python-api>
  689. 27.26 s gammaloop-nextest-python-api> failures:
  690. 27.26 s gammaloop-nextest-python-api>
  691. 27.26 s gammaloop-nextest-python-api> failures:
  692. 27.26 s gammaloop-nextest-python-api> python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  693. 27.26 s gammaloop-nextest-python-api>
  694. 27.26 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.71s
  695. 27.26 s gammaloop-nextest-python-api>
  696. 27.26 s gammaloop-nextest-python-api> stderr ---
  697. 27.26 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  698. 27.26 s gammaloop-nextest-python-api> stdout:
  699. 27.26 s gammaloop-nextest-python-api>
  700. 27.26 s gammaloop-nextest-python-api> stderr:
  701. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  702. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  703. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  704. 27.26 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  705. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  706. 27.26 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-)
  707. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  708. 27.26 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
  709. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @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]}}'
  710. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.683] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  711. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.684] @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
  712. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.686] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  713. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  714. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  715. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  716. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  717. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  718. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  719. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  720. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  721. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.691] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  722. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.789] @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)
  723. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.790] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  724. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.790] @commands::generate INFO : Generated cross-section 2 graphs.
  725. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.790] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  726. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.791] @gammaloop_api::se... INFO : Running command generate
  727. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.094] @commands::generate INFO :
  728. 27.26 s gammaloop-nextest-python-api> Integrand generation summary
  729. 27.26 s gammaloop-nextest-python-api> peak RAM 95.46 MiB | cores 1
  730. 27.26 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  731. 27.26 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  732. 27.26 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  733. 27.26 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 38ms (47%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  734. 27.26 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 56ms (30%) │ 61ms (33%) │ 69ms (37%) │ 0ms (0.00%) │
  735. 27.26 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  736. 27.26 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 93ms (34%) │ 0ms (0.00%) │
  737. 27.26 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  738. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.095] @gammaloop_api::se... INFO : Running command set process string '
  739. 27.26 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  740. 27.26 s gammaloop-nextest-python-api> type = "jet"
  741. 27.26 s gammaloop-nextest-python-api> quantity = "PT"
  742. 27.26 s gammaloop-nextest-python-api> dR = 0.4
  743. 27.26 s gammaloop-nextest-python-api> [...]
  744. 27.26 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.096] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  745. 27.26 s gammaloop-nextest-python-api> The application panicked (crashed).
  746. 27.26 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  747. 27.26 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  748. 27.26 s gammaloop-nextest-python-api>
  749. 27.26 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  750. 27.26 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  751. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  752. 27.26 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  753. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  754. 27.26 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  755. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  756. 27.26 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  757. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  758. 27.26 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  759. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  760. 27.26 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  761. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  762. 27.26 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  763. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  764. 27.26 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  765. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  766. 27.26 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>
  767. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  768. 27.26 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>
  769. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  770. 27.26 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  771. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  772. 27.26 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  773. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  774. 27.26 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  775. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  776. 27.26 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  777. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  778. 27.26 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  779. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  780. 27.26 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  781. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  782. 27.26 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>
  783. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  784. 27.26 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>
  785. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  786. 27.26 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  787. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  788. 27.26 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  789. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  790. 27.26 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  791. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  792. 27.26 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  793. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  794. 27.26 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  795. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  796. 27.26 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  797. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  798. 27.26 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  799. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  800. 27.26 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  801. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  802. 27.26 s gammaloop-nextest-python-api> 27: _start<unknown>
  803. 27.26 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  804. 27.26 s gammaloop-nextest-python-api>
  805. 27.26 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  806. 27.26 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  807. 27.26 s gammaloop-nextest-python-api> Traceback (most recent call last):
  808. 27.26 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  809. 27.26 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  810. 27.26 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  811. 27.26 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  812. 27.26 s gammaloop-nextest-python-api>
  813. 27.26 s gammaloop-nextest-python-api>
  814. 27.26 s gammaloop-nextest-python-api> Location:
  815. 27.26 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  816. 27.26 s gammaloop-nextest-python-api>
  817. 27.27 s gammaloop-nextest-python-api> error: test run failed
  818. 27.29 s gammaloop-nextest-python-api>
  819. 27.29 s gammaloop-nextest-python-api> ========== nextest test summary ==========
  820. 27.29 s gammaloop-nextest-python-api> report: target/nextest/ci_gammaloop/junit.xml
  821. 27.29 s gammaloop-nextest-python-api> tests: 5, failures: 3, errors: 0
  822. 27.29 s gammaloop-nextest-python-api>
  823. 27.29 s gammaloop-nextest-python-api> 1. gammaloop-integration-tests::test_python_api::python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  824. 27.29 s gammaloop-nextest-python-api> failure: test failure with exit code 101
  825. 27.29 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  826. 27.29 s gammaloop-nextest-python-api> stdout:
  827. 27.29 s gammaloop-nextest-python-api>
  828. 27.29 s gammaloop-nextest-python-api> stderr:
  829. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  830. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  831. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  832. 27.29 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  833. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  834. 27.29 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-)
  835. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  836. 27.29 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
  837. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @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]}}'
  838. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.683] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  839. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.684] @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
  840. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.686] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  841. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  842. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  843. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  844. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  845. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  846. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  847. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  848. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  849. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.691] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  850. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.794] @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)
  851. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.794] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  852. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.795] @commands::generate INFO : Generated cross-section 2 graphs.
  853. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.795] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  854. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.796] @gammaloop_api::se... INFO : Running command generate
  855. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.098] @commands::generate INFO :
  856. 27.29 s gammaloop-nextest-python-api> Integrand generation summary
  857. 27.29 s gammaloop-nextest-python-api> peak RAM 95.38 MiB | cores 1
  858. 27.29 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  859. 27.29 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  860. 27.29 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  861. 27.29 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 41ms (48%) │ 20ms (24%) │ 24ms (28%) │ 0ms (0.00%) │
  862. 27.29 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 59ms (31%) │ 59ms (32%) │ 70ms (37%) │ 0ms (0.00%) │
  863. 27.29 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  864. 27.29 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 101ms (37%) │ 80ms (29%) │ 94ms (34%) │ 0ms (0.00%) │
  865. 27.29 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  866. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.099] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  867. 27.29 s gammaloop-nextest-python-api> The application panicked (crashed).
  868. 27.29 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  869. 27.29 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  870. 27.29 s gammaloop-nextest-python-api>
  871. 27.29 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  872. 27.29 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  873. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  874. 27.29 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  875. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  876. 27.29 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  877. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  878. 27.29 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  879. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  880. 27.29 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  881. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  882. 27.29 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  883. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  884. 27.29 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  885. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  886. 27.29 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  887. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  888. 27.29 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>
  889. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  890. 27.29 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>
  891. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  892. 27.29 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  893. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  894. 27.29 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  895. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  896. 27.29 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  897. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  898. 27.29 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  899. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  900. 27.29 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  901. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  902. 27.29 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  903. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  904. 27.29 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>
  905. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  906. 27.29 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>
  907. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  908. 27.29 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  909. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  910. 27.29 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  911. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  912. 27.29 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  913. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  914. 27.29 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  915. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  916. 27.29 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  917. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  918. 27.29 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  919. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  920. 27.29 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  921. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  922. 27.29 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  923. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  924. 27.29 s gammaloop-nextest-python-api> 27: _start<unknown>
  925. 27.29 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  926. 27.29 s gammaloop-nextest-python-api>
  927. 27.29 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  928. 27.29 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  929. 27.29 s gammaloop-nextest-python-api> Traceback (most recent call last):
  930. 27.29 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  931. 27.29 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  932. 27.29 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  933. 27.29 s gammaloop-nextest-python-api>
  934. 27.29 s gammaloop-nextest-python-api>
  935. 27.29 s gammaloop-nextest-python-api> Location:
  936. 27.29 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  937. 27.29 s gammaloop-nextest-python-api> system-out
  938. 27.29 s gammaloop-nextest-python-api> running 1 test
  939. 27.29 s gammaloop-nextest-python-api> test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  940. 27.29 s gammaloop-nextest-python-api>
  941. 27.29 s gammaloop-nextest-python-api> failures:
  942. 27.29 s gammaloop-nextest-python-api>
  943. 27.29 s gammaloop-nextest-python-api> failures:
  944. 27.29 s gammaloop-nextest-python-api> python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  945. 27.29 s gammaloop-nextest-python-api>
  946. 27.29 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  947. 27.29 s gammaloop-nextest-python-api> system-err
  948. 27.29 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  949. 27.29 s gammaloop-nextest-python-api> stdout:
  950. 27.29 s gammaloop-nextest-python-api>
  951. 27.29 s gammaloop-nextest-python-api> stderr:
  952. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  953. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  954. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  955. 27.29 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  956. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  957. 27.29 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-)
  958. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  959. 27.29 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
  960. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @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]}}'
  961. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.683] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  962. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.684] @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
  963. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.686] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  964. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  965. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  966. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  967. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  968. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  969. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  970. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  971. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  972. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.691] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  973. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.794] @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)
  974. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.794] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  975. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.795] @commands::generate INFO : Generated cross-section 2 graphs.
  976. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.795] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  977. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.796] @gammaloop_api::se... INFO : Running command generate
  978. 27.29 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.098] @commands::generate INFO :
  979. 27.29 s gammaloop-nextest-python-api> Integrand generation summary
  980. 27.29 s gammaloop-nextest-python-api> peak RAM 95.38 MiB | cores 1
  981. 27.29 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  982. 27.29 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  983. 27.29 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  984. 27.30 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 41ms (48%) │ 20ms (24%) │ 24ms (28%) │ 0ms (0.00%) │
  985. 27.30 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 59ms (31%) │ 59ms (32%) │ 70ms (37%) │ 0ms (0.00%) │
  986. 27.30 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  987. 27.30 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 101ms (37%) │ 80ms (29%) │ 94ms (34%) │ 0ms (0.00%) │
  988. 27.30 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  989. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.099] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  990. 27.30 s gammaloop-nextest-python-api> The application panicked (crashed).
  991. 27.30 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  992. 27.30 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  993. 27.30 s gammaloop-nextest-python-api>
  994. 27.30 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  995. 27.30 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  996. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  997. 27.30 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  998. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  999. 27.30 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1000. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1001. 27.30 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1002. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1003. 27.30 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1004. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1005. 27.30 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1006. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1007. 27.30 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1008. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1009. 27.30 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1010. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1011. 27.30 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>
  1012. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1013. 27.30 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>
  1014. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1015. 27.30 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1016. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1017. 27.30 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1018. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1019. 27.30 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1020. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1021. 27.30 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1022. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1023. 27.30 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1024. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1025. 27.30 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1026. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1027. 27.30 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>
  1028. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1029. 27.30 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>
  1030. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1031. 27.30 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1032. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1033. 27.30 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1034. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1035. 27.30 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  1036. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1037. 27.30 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  1038. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1039. 27.30 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  1040. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1041. 27.30 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  1042. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1043. 27.30 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  1044. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1045. 27.30 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  1046. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1047. 27.30 s gammaloop-nextest-python-api> 27: _start<unknown>
  1048. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1049. 27.30 s gammaloop-nextest-python-api>
  1050. 27.30 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1051. 27.30 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1052. 27.30 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1053. 27.30 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  1054. 27.30 s gammaloop-nextest-python-api> result = api.evaluate_sample(point)
  1055. 27.30 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1056. 27.30 s gammaloop-nextest-python-api>
  1057. 27.30 s gammaloop-nextest-python-api>
  1058. 27.30 s gammaloop-nextest-python-api> Location:
  1059. 27.30 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1060. 27.30 s gammaloop-nextest-python-api>
  1061. 27.30 s gammaloop-nextest-python-api> 2. gammaloop-integration-tests::test_python_api::python_evaluate_sample_honors_generate_events_and_observable_snapshots
  1062. 27.30 s gammaloop-nextest-python-api> failure: test failure with exit code 101
  1063. 27.30 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1064. 27.30 s gammaloop-nextest-python-api> stdout:
  1065. 27.30 s gammaloop-nextest-python-api>
  1066. 27.30 s gammaloop-nextest-python-api> stderr:
  1067. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  1068. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  1069. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1070. 27.30 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1071. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1072. 27.30 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-)
  1073. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1074. 27.30 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
  1075. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.685] @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]}}'
  1076. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.686] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1077. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.687] @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
  1078. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1079. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1080. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1081. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1082. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1083. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1084. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1085. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1086. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1087. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1088. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.792] @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)
  1089. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.792] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1090. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.792] @commands::generate INFO : Generated cross-section 2 graphs.
  1091. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.792] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1092. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.793] @gammaloop_api::se... INFO : Running command generate
  1093. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.096] @commands::generate INFO :
  1094. 27.30 s gammaloop-nextest-python-api> Integrand generation summary
  1095. 27.30 s gammaloop-nextest-python-api> peak RAM 96.34 MiB | cores 1
  1096. 27.30 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1097. 27.30 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1098. 27.30 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1099. 27.30 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 36ms (45%) │ 20ms (26%) │ 23ms (30%) │ 0ms (0.00%) │
  1100. 27.30 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 58ms (31%) │ 59ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  1101. 27.30 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1102. 27.30 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 94ms (35%) │ 79ms (30%) │ 93ms (35%) │ 0ms (0.00%) │
  1103. 27.30 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1104. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.096] @gammaloop_api::se... INFO : Running command set process string '
  1105. 27.30 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  1106. 27.30 s gammaloop-nextest-python-api> type = "jet"
  1107. 27.30 s gammaloop-nextest-python-api> quantity = "PT"
  1108. 27.30 s gammaloop-nextest-python-api> dR = 0.4
  1109. 27.30 s gammaloop-nextest-python-api> [...]
  1110. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.097] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  1111. 27.30 s gammaloop-nextest-python-api> The application panicked (crashed).
  1112. 27.30 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1113. 27.30 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1114. 27.30 s gammaloop-nextest-python-api>
  1115. 27.30 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1116. 27.30 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1117. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1118. 27.30 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1119. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1120. 27.30 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1121. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1122. 27.30 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1123. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1124. 27.30 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1125. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1126. 27.30 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1127. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1128. 27.30 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1129. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1130. 27.30 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1131. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1132. 27.30 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>
  1133. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1134. 27.30 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>
  1135. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1136. 27.30 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1137. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1138. 27.30 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1139. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1140. 27.30 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1141. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1142. 27.30 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1143. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1144. 27.30 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1145. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1146. 27.30 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1147. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1148. 27.30 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>
  1149. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1150. 27.30 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>
  1151. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1152. 27.30 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1153. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1154. 27.30 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1155. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1156. 27.30 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  1157. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1158. 27.30 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  1159. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1160. 27.30 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  1161. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1162. 27.30 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  1163. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1164. 27.30 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  1165. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1166. 27.30 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  1167. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1168. 27.30 s gammaloop-nextest-python-api> 27: _start<unknown>
  1169. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1170. 27.30 s gammaloop-nextest-python-api>
  1171. 27.30 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1172. 27.30 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1173. 27.30 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1174. 27.30 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  1175. 27.30 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  1176. 27.30 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  1177. 27.30 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1178. 27.30 s gammaloop-nextest-python-api>
  1179. 27.30 s gammaloop-nextest-python-api>
  1180. 27.30 s gammaloop-nextest-python-api> Location:
  1181. 27.30 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1182. 27.30 s gammaloop-nextest-python-api> system-out
  1183. 27.30 s gammaloop-nextest-python-api> running 1 test
  1184. 27.30 s gammaloop-nextest-python-api> test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  1185. 27.30 s gammaloop-nextest-python-api>
  1186. 27.30 s gammaloop-nextest-python-api> failures:
  1187. 27.30 s gammaloop-nextest-python-api>
  1188. 27.30 s gammaloop-nextest-python-api> failures:
  1189. 27.30 s gammaloop-nextest-python-api> python_evaluate_sample_honors_generate_events_and_observable_snapshots
  1190. 27.30 s gammaloop-nextest-python-api>
  1191. 27.30 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  1192. 27.30 s gammaloop-nextest-python-api> system-err
  1193. 27.30 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1194. 27.30 s gammaloop-nextest-python-api> stdout:
  1195. 27.30 s gammaloop-nextest-python-api>
  1196. 27.30 s gammaloop-nextest-python-api> stderr:
  1197. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  1198. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  1199. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1200. 27.30 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1201. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1202. 27.30 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-)
  1203. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1204. 27.30 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
  1205. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.685] @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]}}'
  1206. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.686] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1207. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.687] @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
  1208. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1209. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1210. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1211. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1212. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1213. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1214. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1215. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1216. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1217. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1218. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.792] @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)
  1219. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.792] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1220. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.792] @commands::generate INFO : Generated cross-section 2 graphs.
  1221. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.792] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1222. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.793] @gammaloop_api::se... INFO : Running command generate
  1223. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.096] @commands::generate INFO :
  1224. 27.30 s gammaloop-nextest-python-api> Integrand generation summary
  1225. 27.30 s gammaloop-nextest-python-api> peak RAM 96.34 MiB | cores 1
  1226. 27.30 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1227. 27.30 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1228. 27.30 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1229. 27.30 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 36ms (45%) │ 20ms (26%) │ 23ms (30%) │ 0ms (0.00%) │
  1230. 27.30 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 58ms (31%) │ 59ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  1231. 27.30 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1232. 27.30 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 94ms (35%) │ 79ms (30%) │ 93ms (35%) │ 0ms (0.00%) │
  1233. 27.30 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1234. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.096] @gammaloop_api::se... INFO : Running command set process string '
  1235. 27.30 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  1236. 27.30 s gammaloop-nextest-python-api> type = "jet"
  1237. 27.30 s gammaloop-nextest-python-api> quantity = "PT"
  1238. 27.30 s gammaloop-nextest-python-api> dR = 0.4
  1239. 27.30 s gammaloop-nextest-python-api> [...]
  1240. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.097] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  1241. 27.30 s gammaloop-nextest-python-api> The application panicked (crashed).
  1242. 27.30 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1243. 27.30 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1244. 27.30 s gammaloop-nextest-python-api>
  1245. 27.30 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1246. 27.30 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1247. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1248. 27.30 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1249. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1250. 27.30 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1251. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1252. 27.30 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1253. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1254. 27.30 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1255. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1256. 27.30 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1257. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1258. 27.30 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1259. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1260. 27.30 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1261. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1262. 27.30 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>
  1263. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1264. 27.30 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>
  1265. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1266. 27.30 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1267. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1268. 27.30 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1269. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1270. 27.30 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1271. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1272. 27.30 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1273. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1274. 27.30 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1275. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1276. 27.30 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1277. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1278. 27.30 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>
  1279. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1280. 27.30 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>
  1281. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1282. 27.30 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1283. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1284. 27.30 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1285. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1286. 27.30 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  1287. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1288. 27.30 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  1289. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1290. 27.30 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  1291. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1292. 27.30 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  1293. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1294. 27.30 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  1295. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1296. 27.30 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  1297. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1298. 27.30 s gammaloop-nextest-python-api> 27: _start<unknown>
  1299. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1300. 27.30 s gammaloop-nextest-python-api>
  1301. 27.30 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1302. 27.30 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1303. 27.30 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1304. 27.30 s gammaloop-nextest-python-api> File "<string>", line 78, in <module>
  1305. 27.30 s gammaloop-nextest-python-api> without_events = summarize_result(api.evaluate_sample(point))
  1306. 27.30 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~^^^^^^^
  1307. 27.30 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1308. 27.30 s gammaloop-nextest-python-api>
  1309. 27.30 s gammaloop-nextest-python-api>
  1310. 27.30 s gammaloop-nextest-python-api> Location:
  1311. 27.30 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1312. 27.30 s gammaloop-nextest-python-api>
  1313. 27.30 s gammaloop-nextest-python-api> 3. gammaloop-integration-tests::test_python_api::python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1314. 27.30 s gammaloop-nextest-python-api> failure: test failure with exit code 101
  1315. 27.30 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1316. 27.30 s gammaloop-nextest-python-api> stdout:
  1317. 27.30 s gammaloop-nextest-python-api>
  1318. 27.30 s gammaloop-nextest-python-api> stderr:
  1319. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  1320. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  1321. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1322. 27.30 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1323. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1324. 27.30 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-)
  1325. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1326. 27.30 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
  1327. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @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]}}'
  1328. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.683] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1329. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.684] @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
  1330. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.686] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1331. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1332. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1333. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1334. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1335. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1336. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1337. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1338. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1339. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.691] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1340. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.789] @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)
  1341. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.790] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1342. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.790] @commands::generate INFO : Generated cross-section 2 graphs.
  1343. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.790] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1344. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.791] @gammaloop_api::se... INFO : Running command generate
  1345. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.094] @commands::generate INFO :
  1346. 27.30 s gammaloop-nextest-python-api> Integrand generation summary
  1347. 27.30 s gammaloop-nextest-python-api> peak RAM 95.46 MiB | cores 1
  1348. 27.30 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1349. 27.30 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1350. 27.30 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1351. 27.30 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 38ms (47%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  1352. 27.30 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 56ms (30%) │ 61ms (33%) │ 69ms (37%) │ 0ms (0.00%) │
  1353. 27.30 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1354. 27.30 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 93ms (34%) │ 0ms (0.00%) │
  1355. 27.30 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1356. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.095] @gammaloop_api::se... INFO : Running command set process string '
  1357. 27.30 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  1358. 27.30 s gammaloop-nextest-python-api> type = "jet"
  1359. 27.30 s gammaloop-nextest-python-api> quantity = "PT"
  1360. 27.30 s gammaloop-nextest-python-api> dR = 0.4
  1361. 27.30 s gammaloop-nextest-python-api> [...]
  1362. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.096] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  1363. 27.30 s gammaloop-nextest-python-api> The application panicked (crashed).
  1364. 27.30 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1365. 27.30 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1366. 27.30 s gammaloop-nextest-python-api>
  1367. 27.30 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1368. 27.30 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1369. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1370. 27.30 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1371. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1372. 27.30 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1373. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1374. 27.30 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1375. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1376. 27.30 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1377. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1378. 27.30 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1379. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1380. 27.30 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1381. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1382. 27.30 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1383. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1384. 27.30 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>
  1385. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1386. 27.30 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>
  1387. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1388. 27.30 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1389. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1390. 27.30 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1391. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1392. 27.30 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1393. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1394. 27.30 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1395. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1396. 27.30 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  1397. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1398. 27.30 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  1399. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1400. 27.30 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>
  1401. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1402. 27.30 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>
  1403. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1404. 27.30 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1405. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1406. 27.30 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1407. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1408. 27.30 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  1409. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1410. 27.30 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  1411. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1412. 27.30 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  1413. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1414. 27.30 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  1415. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1416. 27.30 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  1417. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1418. 27.30 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  1419. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1420. 27.30 s gammaloop-nextest-python-api> 27: _start<unknown>
  1421. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1422. 27.30 s gammaloop-nextest-python-api>
  1423. 27.30 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1424. 27.30 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1425. 27.30 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1426. 27.30 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  1427. 27.30 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  1428. 27.30 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  1429. 27.30 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1430. 27.30 s gammaloop-nextest-python-api>
  1431. 27.30 s gammaloop-nextest-python-api>
  1432. 27.30 s gammaloop-nextest-python-api> Location:
  1433. 27.30 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1434. 27.30 s gammaloop-nextest-python-api> system-out
  1435. 27.30 s gammaloop-nextest-python-api> running 1 test
  1436. 27.30 s gammaloop-nextest-python-api> test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  1437. 27.30 s gammaloop-nextest-python-api>
  1438. 27.30 s gammaloop-nextest-python-api> failures:
  1439. 27.30 s gammaloop-nextest-python-api>
  1440. 27.30 s gammaloop-nextest-python-api> failures:
  1441. 27.30 s gammaloop-nextest-python-api> python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1442. 27.30 s gammaloop-nextest-python-api>
  1443. 27.30 s gammaloop-nextest-python-api> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.71s
  1444. 27.30 s gammaloop-nextest-python-api> system-err
  1445. 27.30 s gammaloop-nextest-python-api> Error: Python API test subprocess failed.
  1446. 27.30 s gammaloop-nextest-python-api> stdout:
  1447. 27.30 s gammaloop-nextest-python-api>
  1448. 27.30 s gammaloop-nextest-python-api> stderr:
  1449. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  1450. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  1451. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1452. 27.30 s gammaloop-nextest-python-api> lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1453. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1454. 27.30 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-)
  1455. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1456. 27.30 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
  1457. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.682] @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]}}'
  1458. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.683] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1459. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.684] @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
  1460. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.686] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1461. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1462. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1463. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1464. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1465. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1466. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1467. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1468. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1469. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.691] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1470. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.789] @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)
  1471. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.790] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1472. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.790] @commands::generate INFO : Generated cross-section 2 graphs.
  1473. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.790] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1474. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:33:59.791] @gammaloop_api::se... INFO : Running command generate
  1475. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.094] @commands::generate INFO :
  1476. 27.30 s gammaloop-nextest-python-api> Integrand generation summary
  1477. 27.30 s gammaloop-nextest-python-api> peak RAM 95.46 MiB | cores 1
  1478. 27.30 s gammaloop-nextest-python-api> ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1479. 27.30 s gammaloop-nextest-python-api> │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1480. 27.30 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1481. 27.30 s gammaloop-nextest-python-api> │ default │ GL0 │ 3 │ 38ms (47%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  1482. 27.30 s gammaloop-nextest-python-api> │ default │ GL2 │ 5 │ 56ms (30%) │ 61ms (33%) │ 69ms (37%) │ 0ms (0.00%) │
  1483. 27.30 s gammaloop-nextest-python-api> ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1484. 27.30 s gammaloop-nextest-python-api> │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 93ms (34%) │ 0ms (0.00%) │
  1485. 27.30 s gammaloop-nextest-python-api> ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1486. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.095] @gammaloop_api::se... INFO : Running command set process string '
  1487. 27.30 s gammaloop-nextest-python-api> [quantities.leading_jet_pt]
  1488. 27.30 s gammaloop-nextest-python-api> type = "jet"
  1489. 27.30 s gammaloop-nextest-python-api> quantity = "PT"
  1490. 27.30 s gammaloop-nextest-python-api> dR = 0.4
  1491. 27.30 s gammaloop-nextest-python-api> [...]
  1492. 27.30 s gammaloop-nextest-python-api> [2026-09-14 03:34:00.096] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  1493. 27.30 s gammaloop-nextest-python-api> The application panicked (crashed).
  1494. 27.30 s gammaloop-nextest-python-api> Message: index out of bounds: the len is 0 but the index is 0
  1495. 27.30 s gammaloop-nextest-python-api> Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1496. 27.30 s gammaloop-nextest-python-api>
  1497. 27.30 s gammaloop-nextest-python-api> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1498. 27.30 s gammaloop-nextest-python-api> 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1499. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1500. 27.30 s gammaloop-nextest-python-api> 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1501. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1502. 27.30 s gammaloop-nextest-python-api> 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1503. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1504. 27.30 s gammaloop-nextest-python-api> 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1505. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1506. 27.30 s gammaloop-nextest-python-api> 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1507. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1508. 27.30 s gammaloop-nextest-python-api> 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1509. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1510. 27.30 s gammaloop-nextest-python-api> 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1511. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1512. 27.30 s gammaloop-nextest-python-api> 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1513. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1514. 27.30 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>
  1515. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1516. 27.30 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>
  1517. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1518. 27.30 s gammaloop-nextest-python-api> 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1519. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1520. 27.30 s gammaloop-nextest-python-api> 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1521. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1522. 27.30 s gammaloop-nextest-python-api> 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1523. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1524. 27.30 s gammaloop-nextest-python-api> 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1525. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1526. 27.30 s gammaloop-nextest-python-api> 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  1527. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1528. 27.30 s gammaloop-nextest-python-api> 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  1529. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1530. 27.30 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>
  1531. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1532. 27.30 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>
  1533. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1534. 27.30 s gammaloop-nextest-python-api> 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1535. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1536. 27.30 s gammaloop-nextest-python-api> 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1537. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1538. 27.30 s gammaloop-nextest-python-api> 21: PyEval_EvalCode.localalias<unknown>
  1539. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1540. 27.30 s gammaloop-nextest-python-api> 22: run_eval_code_obj<unknown>
  1541. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1542. 27.30 s gammaloop-nextest-python-api> 23: run_mod<unknown>
  1543. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1544. 27.30 s gammaloop-nextest-python-api> 24: Py_RunMain.localalias<unknown>
  1545. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1546. 27.30 s gammaloop-nextest-python-api> 25: __libc_start_call_main<unknown>
  1547. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1548. 27.30 s gammaloop-nextest-python-api> 26: __libc_start_main_alias_2<unknown>
  1549. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1550. 27.30 s gammaloop-nextest-python-api> 27: _start<unknown>
  1551. 27.30 s gammaloop-nextest-python-api> at <unknown source file>:<unknown line>
  1552. 27.30 s gammaloop-nextest-python-api>
  1553. 27.30 s gammaloop-nextest-python-api> Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1554. 27.30 s gammaloop-nextest-python-api> Run with RUST_BACKTRACE=full to include source snippets.
  1555. 27.30 s gammaloop-nextest-python-api> Traceback (most recent call last):
  1556. 27.30 s gammaloop-nextest-python-api> File "<string>", line 85, in <module>
  1557. 27.30 s gammaloop-nextest-python-api> batch = summarize_batch_result(api.evaluate_samples(points))
  1558. 27.30 s gammaloop-nextest-python-api> ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  1559. 27.30 s gammaloop-nextest-python-api> pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1560. 27.30 s gammaloop-nextest-python-api>
  1561. 27.30 s gammaloop-nextest-python-api>
  1562. 27.30 s gammaloop-nextest-python-api> Location:
  1563. 27.30 s gammaloop-nextest-python-api> tests/tests/test_python_api.rs:156:20
  1564. 27.30 s gammaloop-nextest-python-api> =========================================
  1565. 27.34 s [0 built (1 failed), 0.0error: Cannot build '/nix/store/pjzj80k3rmb55mn2s1vlwi2xqcssp4v1-gammaloop-nextest-python-api.drv'.
  1566. 27.34 s Reason: builder failed with exit code 100.
  1567. 27.34 s Output paths:
  1568. 27.34 s /nix/store/5hhzsks0dj9rdiiav5ihk6wj14p03gxg-gammaloop-nextest-python-api
  1569. 27.34 s Last 1545 log lines:
  1570. 27.34 s > Extracting 1 binary, 1 build script output directory, and 3 linked paths to /build/nextest-archive-wMuDUf
  1571. 27.34 s > Extracted 18 files to /build/nextest-archive-wMuDUf in 0.06s
  1572. 27.34 s > ------------
  1573. 27.34 s > Nextest run ID f6430832-ff28-4347-8963-0ec6cacd5506 with nextest profile: ci_gammaloop
  1574. 27.34 s > Starting 5 tests across 1 binary
  1575. 27.34 s > FAIL [ 0.601s] (3/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1576. 27.34 s > stdout ---
  1577. 27.34 s >
  1578. 27.34 s > running 1 test
  1579. 27.34 s > test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  1580. 27.34 s >
  1581. 27.34 s > failures:
  1582. 27.34 s >
  1583. 27.34 s > failures:
  1584. 27.34 s > python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1585. 27.34 s >
  1586. 27.34 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  1587. 27.34 s >
  1588. 27.34 s > stderr ---
  1589. 27.34 s > Error: Python API test subprocess failed.
  1590. 27.34 s > stdout:
  1591. 27.34 s >
  1592. 27.34 s > stderr:
  1593. 27.34 s > [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  1594. 27.34 s > [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  1595. 27.34 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1596. 27.34 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1597. 27.34 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1598. 27.34 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-)
  1599. 27.34 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1600. 27.34 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
  1601. 27.34 s > [2026-09-14 03:33:59.682] @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]}}'
  1602. 27.34 s > [2026-09-14 03:33:59.683] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1603. 27.35 s > [2026-09-14 03:33:59.684] @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
  1604. 27.35 s > [2026-09-14 03:33:59.686] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1605. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1606. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1607. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1608. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1609. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1610. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1611. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1612. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1613. 27.35 s > [2026-09-14 03:33:59.691] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1614. 27.35 s > [2026-09-14 03:33:59.794] @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)
  1615. 27.35 s > [2026-09-14 03:33:59.794] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1616. 27.35 s > [2026-09-14 03:33:59.795] @commands::generate INFO : Generated cross-section 2 graphs.
  1617. 27.35 s > [2026-09-14 03:33:59.795] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1618. 27.35 s > [2026-09-14 03:33:59.796] @gammaloop_api::se... INFO : Running command generate
  1619. 27.35 s > [2026-09-14 03:34:00.098] @commands::generate INFO :
  1620. 27.35 s > Integrand generation summary
  1621. 27.35 s > peak RAM 95.38 MiB | cores 1
  1622. 27.35 s > ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  1623. 27.35 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1624. 27.35 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  1625. 27.35 s > │ default │ GL0 │ 3 │ 41ms (48%) │ 20ms (24%) │ 24ms (28%) │ 0ms (0.00%) │
  1626. 27.35 s > │ default │ GL2 │ 5 │ 59ms (31%) │ 59ms (32%) │ 70ms (37%) │ 0ms (0.00%) │
  1627. 27.35 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  1628. 27.35 s > │ Total │ │ 8 │ 101ms (37%) │ 80ms (29%) │ 94ms (34%) │ 0ms (0.00%) │
  1629. 27.35 s > ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  1630. 27.35 s > [2026-09-14 03:34:00.099] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  1631. 27.35 s > The application panicked (crashed).
  1632. 27.35 s > Message: index out of bounds: the len is 0 but the index is 0
  1633. 27.35 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1634. 27.35 s >
  1635. 27.35 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1636. 27.35 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1637. 27.35 s > at <unknown source file>:<unknown line>
  1638. 27.35 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1639. 27.35 s > at <unknown source file>:<unknown line>
  1640. 27.35 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1641. 27.35 s > at <unknown source file>:<unknown line>
  1642. 27.35 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1643. 27.35 s > at <unknown source file>:<unknown line>
  1644. 27.35 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1645. 27.35 s > at <unknown source file>:<unknown line>
  1646. 27.35 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1647. 27.35 s > at <unknown source file>:<unknown line>
  1648. 27.35 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1649. 27.35 s > at <unknown source file>:<unknown line>
  1650. 27.35 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1651. 27.35 s > at <unknown source file>:<unknown line>
  1652. 27.35 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>
  1653. 27.35 s > at <unknown source file>:<unknown line>
  1654. 27.35 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>
  1655. 27.35 s > at <unknown source file>:<unknown line>
  1656. 27.35 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1657. 27.35 s > at <unknown source file>:<unknown line>
  1658. 27.35 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1659. 27.35 s > at <unknown source file>:<unknown line>
  1660. 27.35 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1661. 27.35 s > at <unknown source file>:<unknown line>
  1662. 27.35 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1663. 27.35 s > at <unknown source file>:<unknown line>
  1664. 27.35 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1665. 27.35 s > at <unknown source file>:<unknown line>
  1666. 27.35 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1667. 27.35 s > at <unknown source file>:<unknown line>
  1668. 27.35 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1669. 27.35 s > at <unknown source file>:<unknown line>
  1670. 27.35 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>
  1671. 27.35 s > at <unknown source file>:<unknown line>
  1672. 27.35 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1673. 27.35 s > at <unknown source file>:<unknown line>
  1674. 27.35 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1675. 27.35 s > at <unknown source file>:<unknown line>
  1676. 27.35 s > 21: PyEval_EvalCode.localalias<unknown>
  1677. 27.35 s > at <unknown source file>:<unknown line>
  1678. 27.35 s > 22: run_eval_code_obj<unknown>
  1679. 27.35 s > at <unknown source file>:<unknown line>
  1680. 27.35 s > 23: run_mod<unknown>
  1681. 27.35 s > at <unknown source file>:<unknown line>
  1682. 27.35 s > 24: Py_RunMain.localalias<unknown>
  1683. 27.35 s > at <unknown source file>:<unknown line>
  1684. 27.35 s > 25: __libc_start_call_main<unknown>
  1685. 27.35 s > at <unknown source file>:<unknown line>
  1686. 27.35 s > 26: __libc_start_main_alias_2<unknown>
  1687. 27.35 s > at <unknown source file>:<unknown line>
  1688. 27.35 s > 27: _start<unknown>
  1689. 27.35 s > at <unknown source file>:<unknown line>
  1690. 27.35 s >
  1691. 27.35 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1692. 27.35 s > Run with RUST_BACKTRACE=full to include source snippets.
  1693. 27.35 s > Traceback (most recent call last):
  1694. 27.35 s > File "<string>", line 78, in <module>
  1695. 27.35 s > result = api.evaluate_sample(point)
  1696. 27.35 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1697. 27.35 s >
  1698. 27.35 s >
  1699. 27.35 s > Location:
  1700. 27.35 s > tests/tests/test_python_api.rs:156:20
  1701. 27.35 s >
  1702. 27.35 s > FAIL [ 0.601s] (4/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  1703. 27.35 s > stdout ---
  1704. 27.35 s >
  1705. 27.35 s > running 1 test
  1706. 27.35 s > test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  1707. 27.35 s >
  1708. 27.35 s > failures:
  1709. 27.35 s >
  1710. 27.35 s > failures:
  1711. 27.35 s > python_evaluate_sample_honors_generate_events_and_observable_snapshots
  1712. 27.35 s >
  1713. 27.35 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  1714. 27.35 s >
  1715. 27.35 s > stderr ---
  1716. 27.35 s > Error: Python API test subprocess failed.
  1717. 27.35 s > stdout:
  1718. 27.35 s >
  1719. 27.35 s > stderr:
  1720. 27.35 s > [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  1721. 27.35 s > [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  1722. 27.35 s > [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1723. 27.35 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1724. 27.35 s > [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1725. 27.35 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-)
  1726. 27.35 s > [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1727. 27.35 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
  1728. 27.35 s > [2026-09-14 03:33:59.685] @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]}}'
  1729. 27.35 s > [2026-09-14 03:33:59.686] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1730. 27.35 s > [2026-09-14 03:33:59.687] @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
  1731. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1732. 27.35 s > [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1733. 27.35 s > [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1734. 27.35 s > [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1735. 27.35 s > [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1736. 27.35 s > [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1737. 27.35 s > [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1738. 27.35 s > [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1739. 27.35 s > [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1740. 27.35 s > [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1741. 27.35 s > [2026-09-14 03:33:59.792] @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)
  1742. 27.35 s > [2026-09-14 03:33:59.792] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1743. 27.35 s > [2026-09-14 03:33:59.792] @commands::generate INFO : Generated cross-section 2 graphs.
  1744. 27.35 s > [2026-09-14 03:33:59.792] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1745. 27.35 s > [2026-09-14 03:33:59.793] @gammaloop_api::se... INFO : Running command generate
  1746. 27.35 s > [2026-09-14 03:34:00.096] @commands::generate INFO :
  1747. 27.35 s > Integrand generation summary
  1748. 27.35 s > peak RAM 96.34 MiB | cores 1
  1749. 27.35 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1750. 27.35 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1751. 27.35 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1752. 27.35 s > │ default │ GL0 │ 3 │ 36ms (45%) │ 20ms (26%) │ 23ms (30%) │ 0ms (0.00%) │
  1753. 27.35 s > │ default │ GL2 │ 5 │ 58ms (31%) │ 59ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  1754. 27.35 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1755. 27.35 s > │ Total │ │ 8 │ 94ms (35%) │ 79ms (30%) │ 93ms (35%) │ 0ms (0.00%) │
  1756. 27.35 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1757. 27.35 s > [2026-09-14 03:34:00.096] @gammaloop_api::se... INFO : Running command set process string '
  1758. 27.35 s > [quantities.leading_jet_pt]
  1759. 27.35 s > type = "jet"
  1760. 27.35 s > quantity = "PT"
  1761. 27.35 s > dR = 0.4
  1762. 27.35 s > [...]
  1763. 27.35 s > [2026-09-14 03:34:00.097] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  1764. 27.35 s > The application panicked (crashed).
  1765. 27.35 s > Message: index out of bounds: the len is 0 but the index is 0
  1766. 27.35 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1767. 27.35 s >
  1768. 27.35 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1769. 27.35 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1770. 27.35 s > at <unknown source file>:<unknown line>
  1771. 27.35 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1772. 27.35 s > at <unknown source file>:<unknown line>
  1773. 27.35 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1774. 27.35 s > at <unknown source file>:<unknown line>
  1775. 27.35 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1776. 27.35 s > at <unknown source file>:<unknown line>
  1777. 27.35 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1778. 27.35 s > at <unknown source file>:<unknown line>
  1779. 27.35 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1780. 27.35 s > at <unknown source file>:<unknown line>
  1781. 27.35 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1782. 27.35 s > at <unknown source file>:<unknown line>
  1783. 27.35 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1784. 27.35 s > at <unknown source file>:<unknown line>
  1785. 27.35 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>
  1786. 27.35 s > at <unknown source file>:<unknown line>
  1787. 27.35 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>
  1788. 27.35 s > at <unknown source file>:<unknown line>
  1789. 27.35 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1790. 27.35 s > at <unknown source file>:<unknown line>
  1791. 27.35 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1792. 27.35 s > at <unknown source file>:<unknown line>
  1793. 27.35 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1794. 27.35 s > at <unknown source file>:<unknown line>
  1795. 27.35 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1796. 27.35 s > at <unknown source file>:<unknown line>
  1797. 27.35 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  1798. 27.35 s > at <unknown source file>:<unknown line>
  1799. 27.35 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  1800. 27.35 s > at <unknown source file>:<unknown line>
  1801. 27.35 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1802. 27.35 s > at <unknown source file>:<unknown line>
  1803. 27.35 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>
  1804. 27.35 s > at <unknown source file>:<unknown line>
  1805. 27.35 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1806. 27.35 s > at <unknown source file>:<unknown line>
  1807. 27.35 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1808. 27.35 s > at <unknown source file>:<unknown line>
  1809. 27.35 s > 21: PyEval_EvalCode.localalias<unknown>
  1810. 27.35 s > at <unknown source file>:<unknown line>
  1811. 27.35 s > 22: run_eval_code_obj<unknown>
  1812. 27.35 s > at <unknown source file>:<unknown line>
  1813. 27.35 s > 23: run_mod<unknown>
  1814. 27.35 s > at <unknown source file>:<unknown line>
  1815. 27.35 s > 24: Py_RunMain.localalias<unknown>
  1816. 27.35 s > at <unknown source file>:<unknown line>
  1817. 27.35 s > 25: __libc_start_call_main<unknown>
  1818. 27.35 s > at <unknown source file>:<unknown line>
  1819. 27.35 s > 26: __libc_start_main_alias_2<unknown>
  1820. 27.35 s > at <unknown source file>:<unknown line>
  1821. 27.35 s > 27: _start<unknown>
  1822. 27.35 s > at <unknown source file>:<unknown line>
  1823. 27.35 s >
  1824. 27.35 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1825. 27.35 s > Run with RUST_BACKTRACE=full to include source snippets.
  1826. 27.35 s > Traceback (most recent call last):
  1827. 27.35 s > File "<string>", line 78, in <module>
  1828. 27.35 s > without_events = summarize_result(api.evaluate_sample(point))
  1829. 27.35 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  1830. 27.35 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1831. 27.35 s >
  1832. 27.35 s >
  1833. 27.35 s > Location:
  1834. 27.35 s > tests/tests/test_python_api.rs:156:20
  1835. 27.35 s >
  1836. 27.35 s > FAIL [ 0.714s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1837. 27.35 s > stdout ---
  1838. 27.35 s >
  1839. 27.35 s > running 1 test
  1840. 27.35 s > test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  1841. 27.35 s >
  1842. 27.35 s > failures:
  1843. 27.35 s >
  1844. 27.35 s > failures:
  1845. 27.35 s > python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  1846. 27.35 s >
  1847. 27.35 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.71s
  1848. 27.35 s >
  1849. 27.35 s > stderr ---
  1850. 27.35 s > Error: Python API test subprocess failed.
  1851. 27.35 s > stdout:
  1852. 27.35 s >
  1853. 27.35 s > stderr:
  1854. 27.35 s > [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  1855. 27.35 s > [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  1856. 27.35 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1857. 27.35 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1858. 27.35 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1859. 27.35 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-)
  1860. 27.35 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1861. 27.35 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
  1862. 27.35 s > [2026-09-14 03:33:59.682] @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]}}'
  1863. 27.35 s > [2026-09-14 03:33:59.683] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  1864. 27.35 s > [2026-09-14 03:33:59.684] @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
  1865. 27.35 s > [2026-09-14 03:33:59.686] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  1866. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  1867. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  1868. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  1869. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  1870. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  1871. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  1872. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  1873. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  1874. 27.35 s > [2026-09-14 03:33:59.691] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  1875. 27.35 s > [2026-09-14 03:33:59.789] @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)
  1876. 27.35 s > [2026-09-14 03:33:59.790] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  1877. 27.35 s > [2026-09-14 03:33:59.790] @commands::generate INFO : Generated cross-section 2 graphs.
  1878. 27.35 s > [2026-09-14 03:33:59.790] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  1879. 27.35 s > [2026-09-14 03:33:59.791] @gammaloop_api::se... INFO : Running command generate
  1880. 27.35 s > [2026-09-14 03:34:00.094] @commands::generate INFO :
  1881. 27.35 s > Integrand generation summary
  1882. 27.35 s > peak RAM 95.46 MiB | cores 1
  1883. 27.35 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  1884. 27.35 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  1885. 27.35 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1886. 27.35 s > │ default │ GL0 │ 3 │ 38ms (47%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  1887. 27.35 s > │ default │ GL2 │ 5 │ 56ms (30%) │ 61ms (33%) │ 69ms (37%) │ 0ms (0.00%) │
  1888. 27.35 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  1889. 27.35 s > │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 93ms (34%) │ 0ms (0.00%) │
  1890. 27.35 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  1891. 27.35 s > [2026-09-14 03:34:00.095] @gammaloop_api::se... INFO : Running command set process string '
  1892. 27.35 s > [quantities.leading_jet_pt]
  1893. 27.35 s > type = "jet"
  1894. 27.35 s > quantity = "PT"
  1895. 27.35 s > dR = 0.4
  1896. 27.35 s > [...]
  1897. 27.35 s > [2026-09-14 03:34:00.096] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  1898. 27.35 s > The application panicked (crashed).
  1899. 27.35 s > Message: index out of bounds: the len is 0 but the index is 0
  1900. 27.35 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  1901. 27.35 s >
  1902. 27.35 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  1903. 27.35 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  1904. 27.35 s > at <unknown source file>:<unknown line>
  1905. 27.35 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  1906. 27.35 s > at <unknown source file>:<unknown line>
  1907. 27.35 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  1908. 27.35 s > at <unknown source file>:<unknown line>
  1909. 27.35 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  1910. 27.35 s > at <unknown source file>:<unknown line>
  1911. 27.35 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  1912. 27.35 s > at <unknown source file>:<unknown line>
  1913. 27.35 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  1914. 27.35 s > at <unknown source file>:<unknown line>
  1915. 27.35 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  1916. 27.35 s > at <unknown source file>:<unknown line>
  1917. 27.35 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  1918. 27.35 s > at <unknown source file>:<unknown line>
  1919. 27.35 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>
  1920. 27.35 s > at <unknown source file>:<unknown line>
  1921. 27.35 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>
  1922. 27.35 s > at <unknown source file>:<unknown line>
  1923. 27.35 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  1924. 27.35 s > at <unknown source file>:<unknown line>
  1925. 27.35 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  1926. 27.35 s > at <unknown source file>:<unknown line>
  1927. 27.35 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  1928. 27.35 s > at <unknown source file>:<unknown line>
  1929. 27.35 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  1930. 27.35 s > at <unknown source file>:<unknown line>
  1931. 27.35 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  1932. 27.35 s > at <unknown source file>:<unknown line>
  1933. 27.35 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  1934. 27.35 s > at <unknown source file>:<unknown line>
  1935. 27.35 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  1936. 27.35 s > at <unknown source file>:<unknown line>
  1937. 27.35 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>
  1938. 27.35 s > at <unknown source file>:<unknown line>
  1939. 27.35 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  1940. 27.35 s > at <unknown source file>:<unknown line>
  1941. 27.35 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  1942. 27.35 s > at <unknown source file>:<unknown line>
  1943. 27.35 s > 21: PyEval_EvalCode.localalias<unknown>
  1944. 27.35 s > at <unknown source file>:<unknown line>
  1945. 27.35 s > 22: run_eval_code_obj<unknown>
  1946. 27.35 s > at <unknown source file>:<unknown line>
  1947. 27.35 s > 23: run_mod<unknown>
  1948. 27.35 s > at <unknown source file>:<unknown line>
  1949. 27.35 s > 24: Py_RunMain.localalias<unknown>
  1950. 27.35 s > at <unknown source file>:<unknown line>
  1951. 27.35 s > 25: __libc_start_call_main<unknown>
  1952. 27.35 s > at <unknown source file>:<unknown line>
  1953. 27.35 s > 26: __libc_start_main_alias_2<unknown>
  1954. 27.35 s > at <unknown source file>:<unknown line>
  1955. 27.35 s > 27: _start<unknown>
  1956. 27.35 s > at <unknown source file>:<unknown line>
  1957. 27.35 s >
  1958. 27.35 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  1959. 27.35 s > Run with RUST_BACKTRACE=full to include source snippets.
  1960. 27.35 s > Traceback (most recent call last):
  1961. 27.35 s > File "<string>", line 85, in <module>
  1962. 27.35 s > batch = summarize_batch_result(api.evaluate_samples(points))
  1963. 27.35 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  1964. 27.35 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  1965. 27.35 s >
  1966. 27.35 s >
  1967. 27.35 s > Location:
  1968. 27.35 s > tests/tests/test_python_api.rs:156:20
  1969. 27.35 s >
  1970. 27.35 s > ------------
  1971. 27.35 s > Summary [ 0.716s] 5 tests run: 2 passed, 3 failed, 0 skipped
  1972. 27.35 s > FAIL [ 0.601s] (3/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1973. 27.35 s > stdout ---
  1974. 27.35 s >
  1975. 27.35 s > running 1 test
  1976. 27.35 s > test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  1977. 27.35 s >
  1978. 27.35 s > failures:
  1979. 27.35 s >
  1980. 27.35 s > failures:
  1981. 27.35 s > python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  1982. 27.35 s >
  1983. 27.35 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  1984. 27.35 s >
  1985. 27.35 s > stderr ---
  1986. 27.35 s > Error: Python API test subprocess failed.
  1987. 27.35 s > stdout:
  1988. 27.35 s >
  1989. 27.35 s > stderr:
  1990. 27.35 s > [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  1991. 27.35 s > [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  1992. 27.35 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  1993. 27.35 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  1994. 27.35 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  1995. 27.35 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-)
  1996. 27.35 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  1997. 27.35 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
  1998. 27.35 s > [2026-09-14 03:33:59.682] @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]}}'
  1999. 27.35 s > [2026-09-14 03:33:59.683] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2000. 27.35 s > [2026-09-14 03:33:59.684] @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
  2001. 27.35 s > [2026-09-14 03:33:59.686] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2002. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2003. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2004. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2005. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2006. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2007. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2008. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2009. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2010. 27.35 s > [2026-09-14 03:33:59.691] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2011. 27.35 s > [2026-09-14 03:33:59.794] @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)
  2012. 27.35 s > [2026-09-14 03:33:59.794] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2013. 27.35 s > [2026-09-14 03:33:59.795] @commands::generate INFO : Generated cross-section 2 graphs.
  2014. 27.35 s > [2026-09-14 03:33:59.795] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2015. 27.35 s > [2026-09-14 03:33:59.796] @gammaloop_api::se... INFO : Running command generate
  2016. 27.35 s > [2026-09-14 03:34:00.098] @commands::generate INFO :
  2017. 27.35 s > Integrand generation summary
  2018. 27.35 s > peak RAM 95.38 MiB | cores 1
  2019. 27.35 s > ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  2020. 27.35 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2021. 27.35 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  2022. 27.35 s > │ default │ GL0 │ 3 │ 41ms (48%) │ 20ms (24%) │ 24ms (28%) │ 0ms (0.00%) │
  2023. 27.35 s > │ default │ GL2 │ 5 │ 59ms (31%) │ 59ms (32%) │ 70ms (37%) │ 0ms (0.00%) │
  2024. 27.35 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  2025. 27.35 s > │ Total │ │ 8 │ 101ms (37%) │ 80ms (29%) │ 94ms (34%) │ 0ms (0.00%) │
  2026. 27.35 s > ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  2027. 27.35 s > [2026-09-14 03:34:00.099] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  2028. 27.35 s > The application panicked (crashed).
  2029. 27.35 s > Message: index out of bounds: the len is 0 but the index is 0
  2030. 27.35 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2031. 27.35 s >
  2032. 27.35 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2033. 27.35 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2034. 27.35 s > at <unknown source file>:<unknown line>
  2035. 27.35 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2036. 27.35 s > at <unknown source file>:<unknown line>
  2037. 27.35 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2038. 27.35 s > at <unknown source file>:<unknown line>
  2039. 27.35 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2040. 27.35 s > at <unknown source file>:<unknown line>
  2041. 27.35 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2042. 27.35 s > at <unknown source file>:<unknown line>
  2043. 27.35 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2044. 27.35 s > at <unknown source file>:<unknown line>
  2045. 27.35 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2046. 27.35 s > at <unknown source file>:<unknown line>
  2047. 27.35 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2048. 27.35 s > at <unknown source file>:<unknown line>
  2049. 27.35 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>
  2050. 27.35 s > at <unknown source file>:<unknown line>
  2051. 27.35 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>
  2052. 27.35 s > at <unknown source file>:<unknown line>
  2053. 27.35 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2054. 27.35 s > at <unknown source file>:<unknown line>
  2055. 27.35 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2056. 27.35 s > at <unknown source file>:<unknown line>
  2057. 27.35 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2058. 27.35 s > at <unknown source file>:<unknown line>
  2059. 27.35 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2060. 27.35 s > at <unknown source file>:<unknown line>
  2061. 27.35 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2062. 27.35 s > at <unknown source file>:<unknown line>
  2063. 27.35 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2064. 27.35 s > at <unknown source file>:<unknown line>
  2065. 27.35 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2066. 27.35 s > at <unknown source file>:<unknown line>
  2067. 27.35 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>
  2068. 27.35 s > at <unknown source file>:<unknown line>
  2069. 27.35 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2070. 27.35 s > at <unknown source file>:<unknown line>
  2071. 27.35 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2072. 27.35 s > at <unknown source file>:<unknown line>
  2073. 27.35 s > 21: PyEval_EvalCode.localalias<unknown>
  2074. 27.35 s > at <unknown source file>:<unknown line>
  2075. 27.35 s > 22: run_eval_code_obj<unknown>
  2076. 27.35 s > at <unknown source file>:<unknown line>
  2077. 27.35 s > 23: run_mod<unknown>
  2078. 27.35 s > at <unknown source file>:<unknown line>
  2079. 27.35 s > 24: Py_RunMain.localalias<unknown>
  2080. 27.35 s > at <unknown source file>:<unknown line>
  2081. 27.35 s > 25: __libc_start_call_main<unknown>
  2082. 27.35 s > at <unknown source file>:<unknown line>
  2083. 27.35 s > 26: __libc_start_main_alias_2<unknown>
  2084. 27.35 s > at <unknown source file>:<unknown line>
  2085. 27.35 s > 27: _start<unknown>
  2086. 27.35 s > at <unknown source file>:<unknown line>
  2087. 27.35 s >
  2088. 27.35 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2089. 27.35 s > Run with RUST_BACKTRACE=full to include source snippets.
  2090. 27.35 s > Traceback (most recent call last):
  2091. 27.35 s > File "<string>", line 78, in <module>
  2092. 27.35 s > result = api.evaluate_sample(point)
  2093. 27.35 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2094. 27.35 s >
  2095. 27.35 s >
  2096. 27.35 s > Location:
  2097. 27.35 s > tests/tests/test_python_api.rs:156:20
  2098. 27.35 s >
  2099. 27.35 s > FAIL [ 0.601s] (4/5) gammaloop-integration-tests::test_python_api python_evaluate_sample_honors_generate_events_and_observable_snapshots
  2100. 27.35 s > stdout ---
  2101. 27.35 s >
  2102. 27.35 s > running 1 test
  2103. 27.35 s > test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  2104. 27.35 s >
  2105. 27.35 s > failures:
  2106. 27.35 s >
  2107. 27.35 s > failures:
  2108. 27.35 s > python_evaluate_sample_honors_generate_events_and_observable_snapshots
  2109. 27.35 s >
  2110. 27.35 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  2111. 27.35 s >
  2112. 27.35 s > stderr ---
  2113. 27.35 s > Error: Python API test subprocess failed.
  2114. 27.35 s > stdout:
  2115. 27.35 s >
  2116. 27.35 s > stderr:
  2117. 27.35 s > [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  2118. 27.35 s > [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  2119. 27.35 s > [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2120. 27.35 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2121. 27.35 s > [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2122. 27.35 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-)
  2123. 27.35 s > [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2124. 27.35 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
  2125. 27.35 s > [2026-09-14 03:33:59.685] @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]}}'
  2126. 27.35 s > [2026-09-14 03:33:59.686] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2127. 27.35 s > [2026-09-14 03:33:59.687] @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
  2128. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2129. 27.35 s > [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2130. 27.35 s > [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2131. 27.35 s > [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2132. 27.35 s > [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2133. 27.35 s > [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2134. 27.35 s > [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2135. 27.35 s > [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2136. 27.35 s > [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2137. 27.35 s > [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2138. 27.35 s > [2026-09-14 03:33:59.792] @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)
  2139. 27.35 s > [2026-09-14 03:33:59.792] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2140. 27.35 s > [2026-09-14 03:33:59.792] @commands::generate INFO : Generated cross-section 2 graphs.
  2141. 27.35 s > [2026-09-14 03:33:59.792] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2142. 27.35 s > [2026-09-14 03:33:59.793] @gammaloop_api::se... INFO : Running command generate
  2143. 27.35 s > [2026-09-14 03:34:00.096] @commands::generate INFO :
  2144. 27.35 s > Integrand generation summary
  2145. 27.35 s > peak RAM 96.34 MiB | cores 1
  2146. 27.35 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2147. 27.35 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2148. 27.35 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2149. 27.35 s > │ default │ GL0 │ 3 │ 36ms (45%) │ 20ms (26%) │ 23ms (30%) │ 0ms (0.00%) │
  2150. 27.35 s > │ default │ GL2 │ 5 │ 58ms (31%) │ 59ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  2151. 27.35 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2152. 27.35 s > │ Total │ │ 8 │ 94ms (35%) │ 79ms (30%) │ 93ms (35%) │ 0ms (0.00%) │
  2153. 27.35 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2154. 27.35 s > [2026-09-14 03:34:00.096] @gammaloop_api::se... INFO : Running command set process string '
  2155. 27.35 s > [quantities.leading_jet_pt]
  2156. 27.35 s > type = "jet"
  2157. 27.35 s > quantity = "PT"
  2158. 27.35 s > dR = 0.4
  2159. 27.35 s > [...]
  2160. 27.35 s > [2026-09-14 03:34:00.097] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  2161. 27.35 s > The application panicked (crashed).
  2162. 27.35 s > Message: index out of bounds: the len is 0 but the index is 0
  2163. 27.35 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2164. 27.35 s >
  2165. 27.35 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2166. 27.35 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2167. 27.35 s > at <unknown source file>:<unknown line>
  2168. 27.35 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2169. 27.35 s > at <unknown source file>:<unknown line>
  2170. 27.35 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2171. 27.35 s > at <unknown source file>:<unknown line>
  2172. 27.35 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2173. 27.35 s > at <unknown source file>:<unknown line>
  2174. 27.35 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2175. 27.35 s > at <unknown source file>:<unknown line>
  2176. 27.35 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2177. 27.35 s > at <unknown source file>:<unknown line>
  2178. 27.35 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2179. 27.35 s > at <unknown source file>:<unknown line>
  2180. 27.35 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2181. 27.35 s > at <unknown source file>:<unknown line>
  2182. 27.35 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>
  2183. 27.35 s > at <unknown source file>:<unknown line>
  2184. 27.35 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>
  2185. 27.35 s > at <unknown source file>:<unknown line>
  2186. 27.35 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2187. 27.35 s > at <unknown source file>:<unknown line>
  2188. 27.35 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2189. 27.35 s > at <unknown source file>:<unknown line>
  2190. 27.35 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2191. 27.35 s > at <unknown source file>:<unknown line>
  2192. 27.35 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2193. 27.35 s > at <unknown source file>:<unknown line>
  2194. 27.35 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2195. 27.35 s > at <unknown source file>:<unknown line>
  2196. 27.35 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2197. 27.35 s > at <unknown source file>:<unknown line>
  2198. 27.35 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2199. 27.35 s > at <unknown source file>:<unknown line>
  2200. 27.35 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>
  2201. 27.35 s > at <unknown source file>:<unknown line>
  2202. 27.35 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2203. 27.35 s > at <unknown source file>:<unknown line>
  2204. 27.35 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2205. 27.35 s > at <unknown source file>:<unknown line>
  2206. 27.35 s > 21: PyEval_EvalCode.localalias<unknown>
  2207. 27.35 s > at <unknown source file>:<unknown line>
  2208. 27.35 s > 22: run_eval_code_obj<unknown>
  2209. 27.35 s > at <unknown source file>:<unknown line>
  2210. 27.35 s > 23: run_mod<unknown>
  2211. 27.35 s > at <unknown source file>:<unknown line>
  2212. 27.35 s > 24: Py_RunMain.localalias<unknown>
  2213. 27.35 s > at <unknown source file>:<unknown line>
  2214. 27.35 s > 25: __libc_start_call_main<unknown>
  2215. 27.35 s > at <unknown source file>:<unknown line>
  2216. 27.35 s > 26: __libc_start_main_alias_2<unknown>
  2217. 27.35 s > at <unknown source file>:<unknown line>
  2218. 27.35 s > 27: _start<unknown>
  2219. 27.35 s > at <unknown source file>:<unknown line>
  2220. 27.35 s >
  2221. 27.35 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2222. 27.35 s > Run with RUST_BACKTRACE=full to include source snippets.
  2223. 27.35 s > Traceback (most recent call last):
  2224. 27.35 s > File "<string>", line 78, in <module>
  2225. 27.35 s > without_events = summarize_result(api.evaluate_sample(point))
  2226. 27.35 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  2227. 27.35 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2228. 27.35 s >
  2229. 27.35 s >
  2230. 27.35 s > Location:
  2231. 27.35 s > tests/tests/test_python_api.rs:156:20
  2232. 27.35 s >
  2233. 27.35 s > FAIL [ 0.714s] (5/5) gammaloop-integration-tests::test_python_api python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  2234. 27.35 s > stdout ---
  2235. 27.35 s >
  2236. 27.35 s > running 1 test
  2237. 27.35 s > test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  2238. 27.35 s >
  2239. 27.35 s > failures:
  2240. 27.35 s >
  2241. 27.35 s > failures:
  2242. 27.35 s > python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  2243. 27.35 s >
  2244. 27.35 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.71s
  2245. 27.35 s >
  2246. 27.35 s > stderr ---
  2247. 27.35 s > Error: Python API test subprocess failed.
  2248. 27.35 s > stdout:
  2249. 27.35 s >
  2250. 27.35 s > stderr:
  2251. 27.35 s > [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  2252. 27.35 s > [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  2253. 27.35 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2254. 27.35 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2255. 27.35 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2256. 27.35 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-)
  2257. 27.35 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2258. 27.35 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
  2259. 27.35 s > [2026-09-14 03:33:59.682] @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]}}'
  2260. 27.35 s > [2026-09-14 03:33:59.683] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2261. 27.35 s > [2026-09-14 03:33:59.684] @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
  2262. 27.35 s > [2026-09-14 03:33:59.686] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2263. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2264. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2265. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2266. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2267. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2268. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2269. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2270. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2271. 27.35 s > [2026-09-14 03:33:59.691] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2272. 27.35 s > [2026-09-14 03:33:59.789] @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)
  2273. 27.35 s > [2026-09-14 03:33:59.790] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2274. 27.35 s > [2026-09-14 03:33:59.790] @commands::generate INFO : Generated cross-section 2 graphs.
  2275. 27.35 s > [2026-09-14 03:33:59.790] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2276. 27.35 s > [2026-09-14 03:33:59.791] @gammaloop_api::se... INFO : Running command generate
  2277. 27.35 s > [2026-09-14 03:34:00.094] @commands::generate INFO :
  2278. 27.35 s > Integrand generation summary
  2279. 27.35 s > peak RAM 95.46 MiB | cores 1
  2280. 27.35 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2281. 27.35 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2282. 27.35 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2283. 27.35 s > │ default │ GL0 │ 3 │ 38ms (47%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  2284. 27.35 s > │ default │ GL2 │ 5 │ 56ms (30%) │ 61ms (33%) │ 69ms (37%) │ 0ms (0.00%) │
  2285. 27.35 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2286. 27.35 s > │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 93ms (34%) │ 0ms (0.00%) │
  2287. 27.35 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2288. 27.35 s > [2026-09-14 03:34:00.095] @gammaloop_api::se... INFO : Running command set process string '
  2289. 27.35 s > [quantities.leading_jet_pt]
  2290. 27.35 s > type = "jet"
  2291. 27.35 s > quantity = "PT"
  2292. 27.35 s > dR = 0.4
  2293. 27.35 s > [...]
  2294. 27.35 s > [2026-09-14 03:34:00.096] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  2295. 27.35 s > The application panicked (crashed).
  2296. 27.35 s > Message: index out of bounds: the len is 0 but the index is 0
  2297. 27.35 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2298. 27.35 s >
  2299. 27.35 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2300. 27.35 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2301. 27.35 s > at <unknown source file>:<unknown line>
  2302. 27.35 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2303. 27.35 s > at <unknown source file>:<unknown line>
  2304. 27.35 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2305. 27.35 s > at <unknown source file>:<unknown line>
  2306. 27.35 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2307. 27.35 s > at <unknown source file>:<unknown line>
  2308. 27.35 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2309. 27.35 s > at <unknown source file>:<unknown line>
  2310. 27.35 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2311. 27.35 s > at <unknown source file>:<unknown line>
  2312. 27.35 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2313. 27.35 s > at <unknown source file>:<unknown line>
  2314. 27.35 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2315. 27.35 s > at <unknown source file>:<unknown line>
  2316. 27.35 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>
  2317. 27.35 s > at <unknown source file>:<unknown line>
  2318. 27.35 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>
  2319. 27.35 s > at <unknown source file>:<unknown line>
  2320. 27.35 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2321. 27.35 s > at <unknown source file>:<unknown line>
  2322. 27.35 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2323. 27.35 s > at <unknown source file>:<unknown line>
  2324. 27.35 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2325. 27.35 s > at <unknown source file>:<unknown line>
  2326. 27.35 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2327. 27.35 s > at <unknown source file>:<unknown line>
  2328. 27.35 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  2329. 27.35 s > at <unknown source file>:<unknown line>
  2330. 27.35 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  2331. 27.35 s > at <unknown source file>:<unknown line>
  2332. 27.35 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2333. 27.35 s > at <unknown source file>:<unknown line>
  2334. 27.35 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>
  2335. 27.35 s > at <unknown source file>:<unknown line>
  2336. 27.35 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2337. 27.35 s > at <unknown source file>:<unknown line>
  2338. 27.35 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2339. 27.35 s > at <unknown source file>:<unknown line>
  2340. 27.35 s > 21: PyEval_EvalCode.localalias<unknown>
  2341. 27.35 s > at <unknown source file>:<unknown line>
  2342. 27.35 s > 22: run_eval_code_obj<unknown>
  2343. 27.35 s > at <unknown source file>:<unknown line>
  2344. 27.35 s > 23: run_mod<unknown>
  2345. 27.35 s > at <unknown source file>:<unknown line>
  2346. 27.35 s > 24: Py_RunMain.localalias<unknown>
  2347. 27.35 s > at <unknown source file>:<unknown line>
  2348. 27.35 s > 25: __libc_start_call_main<unknown>
  2349. 27.35 s > at <unknown source file>:<unknown line>
  2350. 27.35 s > 26: __libc_start_main_alias_2<unknown>
  2351. 27.35 s > at <unknown source file>:<unknown line>
  2352. 27.35 s > 27: _start<unknown>
  2353. 27.35 s > at <unknown source file>:<unknown line>
  2354. 27.35 s >
  2355. 27.35 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2356. 27.35 s > Run with RUST_BACKTRACE=full to include source snippets.
  2357. 27.35 s > Traceback (most recent call last):
  2358. 27.35 s > File "<string>", line 85, in <module>
  2359. 27.35 s > batch = summarize_batch_result(api.evaluate_samples(points))
  2360. 27.35 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  2361. 27.35 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2362. 27.35 s >
  2363. 27.35 s >
  2364. 27.35 s > Location:
  2365. 27.35 s > tests/tests/test_python_api.rs:156:20
  2366. 27.35 s >
  2367. 27.35 s > error: test run failed
  2368. 27.35 s >
  2369. 27.35 s > ========== nextest test summary ==========
  2370. 27.35 s > report: target/nextest/ci_gammaloop/junit.xml
  2371. 27.35 s > tests: 5, failures: 3, errors: 0
  2372. 27.35 s >
  2373. 27.35 s > 1. gammaloop-integration-tests::test_python_api::python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  2374. 27.35 s > failure: test failure with exit code 101
  2375. 27.35 s > Error: Python API test subprocess failed.
  2376. 27.35 s > stdout:
  2377. 27.35 s >
  2378. 27.35 s > stderr:
  2379. 27.35 s > [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  2380. 27.35 s > [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  2381. 27.35 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2382. 27.35 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2383. 27.35 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2384. 27.35 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-)
  2385. 27.35 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2386. 27.35 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
  2387. 27.35 s > [2026-09-14 03:33:59.682] @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]}}'
  2388. 27.35 s > [2026-09-14 03:33:59.683] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2389. 27.35 s > [2026-09-14 03:33:59.684] @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
  2390. 27.35 s > [2026-09-14 03:33:59.686] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2391. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2392. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2393. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2394. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2395. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2396. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2397. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2398. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2399. 27.35 s > [2026-09-14 03:33:59.691] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2400. 27.35 s > [2026-09-14 03:33:59.794] @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)
  2401. 27.35 s > [2026-09-14 03:33:59.794] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2402. 27.35 s > [2026-09-14 03:33:59.795] @commands::generate INFO : Generated cross-section 2 graphs.
  2403. 27.35 s > [2026-09-14 03:33:59.795] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2404. 27.35 s > [2026-09-14 03:33:59.796] @gammaloop_api::se... INFO : Running command generate
  2405. 27.35 s > [2026-09-14 03:34:00.098] @commands::generate INFO :
  2406. 27.35 s > Integrand generation summary
  2407. 27.35 s > peak RAM 95.38 MiB | cores 1
  2408. 27.35 s > ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  2409. 27.35 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2410. 27.35 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  2411. 27.35 s > │ default │ GL0 │ 3 │ 41ms (48%) │ 20ms (24%) │ 24ms (28%) │ 0ms (0.00%) │
  2412. 27.35 s > │ default │ GL2 │ 5 │ 59ms (31%) │ 59ms (32%) │ 70ms (37%) │ 0ms (0.00%) │
  2413. 27.35 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  2414. 27.35 s > │ Total │ │ 8 │ 101ms (37%) │ 80ms (29%) │ 94ms (34%) │ 0ms (0.00%) │
  2415. 27.35 s > ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  2416. 27.35 s > [2026-09-14 03:34:00.099] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  2417. 27.35 s > The application panicked (crashed).
  2418. 27.35 s > Message: index out of bounds: the len is 0 but the index is 0
  2419. 27.35 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2420. 27.35 s >
  2421. 27.35 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2422. 27.35 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2423. 27.35 s > at <unknown source file>:<unknown line>
  2424. 27.35 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2425. 27.35 s > at <unknown source file>:<unknown line>
  2426. 27.35 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2427. 27.35 s > at <unknown source file>:<unknown line>
  2428. 27.35 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2429. 27.35 s > at <unknown source file>:<unknown line>
  2430. 27.35 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2431. 27.35 s > at <unknown source file>:<unknown line>
  2432. 27.35 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2433. 27.35 s > at <unknown source file>:<unknown line>
  2434. 27.35 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2435. 27.35 s > at <unknown source file>:<unknown line>
  2436. 27.35 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2437. 27.35 s > at <unknown source file>:<unknown line>
  2438. 27.35 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>
  2439. 27.35 s > at <unknown source file>:<unknown line>
  2440. 27.35 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>
  2441. 27.35 s > at <unknown source file>:<unknown line>
  2442. 27.35 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2443. 27.35 s > at <unknown source file>:<unknown line>
  2444. 27.35 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2445. 27.35 s > at <unknown source file>:<unknown line>
  2446. 27.35 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2447. 27.35 s > at <unknown source file>:<unknown line>
  2448. 27.35 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2449. 27.35 s > at <unknown source file>:<unknown line>
  2450. 27.35 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2451. 27.35 s > at <unknown source file>:<unknown line>
  2452. 27.35 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2453. 27.35 s > at <unknown source file>:<unknown line>
  2454. 27.35 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2455. 27.35 s > at <unknown source file>:<unknown line>
  2456. 27.35 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>
  2457. 27.35 s > at <unknown source file>:<unknown line>
  2458. 27.35 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2459. 27.35 s > at <unknown source file>:<unknown line>
  2460. 27.35 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2461. 27.35 s > at <unknown source file>:<unknown line>
  2462. 27.35 s > 21: PyEval_EvalCode.localalias<unknown>
  2463. 27.35 s > at <unknown source file>:<unknown line>
  2464. 27.35 s > 22: run_eval_code_obj<unknown>
  2465. 27.35 s > at <unknown source file>:<unknown line>
  2466. 27.35 s > 23: run_mod<unknown>
  2467. 27.35 s > at <unknown source file>:<unknown line>
  2468. 27.35 s > 24: Py_RunMain.localalias<unknown>
  2469. 27.35 s > at <unknown source file>:<unknown line>
  2470. 27.35 s > 25: __libc_start_call_main<unknown>
  2471. 27.35 s > at <unknown source file>:<unknown line>
  2472. 27.35 s > 26: __libc_start_main_alias_2<unknown>
  2473. 27.35 s > at <unknown source file>:<unknown line>
  2474. 27.35 s > 27: _start<unknown>
  2475. 27.35 s > at <unknown source file>:<unknown line>
  2476. 27.35 s >
  2477. 27.35 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2478. 27.35 s > Run with RUST_BACKTRACE=full to include source snippets.
  2479. 27.35 s > Traceback (most recent call last):
  2480. 27.35 s > File "<string>", line 78, in <module>
  2481. 27.35 s > result = api.evaluate_sample(point)
  2482. 27.35 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2483. 27.35 s >
  2484. 27.35 s >
  2485. 27.35 s > Location:
  2486. 27.35 s > tests/tests/test_python_api.rs:156:20
  2487. 27.35 s > system-out
  2488. 27.35 s > running 1 test
  2489. 27.35 s > test python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs ... FAILED
  2490. 27.35 s >
  2491. 27.35 s > failures:
  2492. 27.35 s >
  2493. 27.35 s > failures:
  2494. 27.35 s > python_evaluate_sample_preserves_graph_grouping_and_incoming_pdgs
  2495. 27.35 s >
  2496. 27.35 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  2497. 27.35 s > system-err
  2498. 27.35 s > Error: Python API test subprocess failed.
  2499. 27.35 s > stdout:
  2500. 27.35 s >
  2501. 27.35 s > stderr:
  2502. 27.35 s > [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  2503. 27.35 s > [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  2504. 27.35 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2505. 27.35 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2506. 27.35 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2507. 27.35 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-)
  2508. 27.35 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2509. 27.35 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
  2510. 27.35 s > [2026-09-14 03:33:59.682] @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]}}'
  2511. 27.35 s > [2026-09-14 03:33:59.683] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2512. 27.35 s > [2026-09-14 03:33:59.684] @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
  2513. 27.35 s > [2026-09-14 03:33:59.686] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2514. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2515. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2516. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2517. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2518. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2519. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2520. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2521. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2522. 27.35 s > [2026-09-14 03:33:59.691] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2523. 27.35 s > [2026-09-14 03:33:59.794] @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)
  2524. 27.35 s > [2026-09-14 03:33:59.794] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2525. 27.35 s > [2026-09-14 03:33:59.795] @commands::generate INFO : Generated cross-section 2 graphs.
  2526. 27.35 s > [2026-09-14 03:33:59.795] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2527. 27.35 s > [2026-09-14 03:33:59.796] @gammaloop_api::se... INFO : Running command generate
  2528. 27.35 s > [2026-09-14 03:34:00.098] @commands::generate INFO :
  2529. 27.35 s > Integrand generation summary
  2530. 27.35 s > peak RAM 95.38 MiB | cores 1
  2531. 27.35 s > ╭───────────┬───────┬─────────┬─────────────┬────────────┬────────────────┬─────────────╮
  2532. 27.35 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2533. 27.35 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  2534. 27.35 s > │ default │ GL0 │ 3 │ 41ms (48%) │ 20ms (24%) │ 24ms (28%) │ 0ms (0.00%) │
  2535. 27.35 s > │ default │ GL2 │ 5 │ 59ms (31%) │ 59ms (32%) │ 70ms (37%) │ 0ms (0.00%) │
  2536. 27.35 s > ├───────────┼───────┼─────────┼─────────────┼────────────┼────────────────┼─────────────┤
  2537. 27.35 s > │ Total │ │ 8 │ 101ms (37%) │ 80ms (29%) │ 94ms (34%) │ 0ms (0.00%) │
  2538. 27.35 s > ╰───────────┴───────┴─────────┴─────────────┴────────────┴────────────────┴─────────────╯
  2539. 27.35 s > [2026-09-14 03:34:00.099] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true general.store_additional_weights_in_event=true
  2540. 27.35 s > The application panicked (crashed).
  2541. 27.35 s > Message: index out of bounds: the len is 0 but the index is 0
  2542. 27.35 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2543. 27.35 s >
  2544. 27.35 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2545. 27.35 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2546. 27.35 s > at <unknown source file>:<unknown line>
  2547. 27.35 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2548. 27.35 s > at <unknown source file>:<unknown line>
  2549. 27.35 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2550. 27.35 s > at <unknown source file>:<unknown line>
  2551. 27.35 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2552. 27.35 s > at <unknown source file>:<unknown line>
  2553. 27.35 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2554. 27.35 s > at <unknown source file>:<unknown line>
  2555. 27.35 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2556. 27.35 s > at <unknown source file>:<unknown line>
  2557. 27.35 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2558. 27.35 s > at <unknown source file>:<unknown line>
  2559. 27.35 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2560. 27.35 s > at <unknown source file>:<unknown line>
  2561. 27.35 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>
  2562. 27.35 s > at <unknown source file>:<unknown line>
  2563. 27.35 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>
  2564. 27.35 s > at <unknown source file>:<unknown line>
  2565. 27.35 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2566. 27.35 s > at <unknown source file>:<unknown line>
  2567. 27.35 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2568. 27.35 s > at <unknown source file>:<unknown line>
  2569. 27.35 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2570. 27.35 s > at <unknown source file>:<unknown line>
  2571. 27.35 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2572. 27.35 s > at <unknown source file>:<unknown line>
  2573. 27.35 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2574. 27.35 s > at <unknown source file>:<unknown line>
  2575. 27.35 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2576. 27.35 s > at <unknown source file>:<unknown line>
  2577. 27.35 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2578. 27.35 s > at <unknown source file>:<unknown line>
  2579. 27.35 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>
  2580. 27.35 s > at <unknown source file>:<unknown line>
  2581. 27.35 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2582. 27.35 s > at <unknown source file>:<unknown line>
  2583. 27.35 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2584. 27.35 s > at <unknown source file>:<unknown line>
  2585. 27.35 s > 21: PyEval_EvalCode.localalias<unknown>
  2586. 27.35 s > at <unknown source file>:<unknown line>
  2587. 27.35 s > 22: run_eval_code_obj<unknown>
  2588. 27.35 s > at <unknown source file>:<unknown line>
  2589. 27.35 s > 23: run_mod<unknown>
  2590. 27.35 s > at <unknown source file>:<unknown line>
  2591. 27.35 s > 24: Py_RunMain.localalias<unknown>
  2592. 27.35 s > at <unknown source file>:<unknown line>
  2593. 27.35 s > 25: __libc_start_call_main<unknown>
  2594. 27.35 s > at <unknown source file>:<unknown line>
  2595. 27.35 s > 26: __libc_start_main_alias_2<unknown>
  2596. 27.35 s > at <unknown source file>:<unknown line>
  2597. 27.35 s > 27: _start<unknown>
  2598. 27.35 s > at <unknown source file>:<unknown line>
  2599. 27.35 s >
  2600. 27.35 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2601. 27.35 s > Run with RUST_BACKTRACE=full to include source snippets.
  2602. 27.35 s > Traceback (most recent call last):
  2603. 27.35 s > File "<string>", line 78, in <module>
  2604. 27.35 s > result = api.evaluate_sample(point)
  2605. 27.35 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2606. 27.35 s >
  2607. 27.35 s >
  2608. 27.35 s > Location:
  2609. 27.35 s > tests/tests/test_python_api.rs:156:20
  2610. 27.35 s >
  2611. 27.35 s > 2. gammaloop-integration-tests::test_python_api::python_evaluate_sample_honors_generate_events_and_observable_snapshots
  2612. 27.35 s > failure: test failure with exit code 101
  2613. 27.35 s > Error: Python API test subprocess failed.
  2614. 27.35 s > stdout:
  2615. 27.35 s >
  2616. 27.35 s > stderr:
  2617. 27.35 s > [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  2618. 27.35 s > [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  2619. 27.35 s > [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2620. 27.35 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2621. 27.35 s > [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2622. 27.35 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-)
  2623. 27.35 s > [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2624. 27.35 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
  2625. 27.35 s > [2026-09-14 03:33:59.685] @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]}}'
  2626. 27.35 s > [2026-09-14 03:33:59.686] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2627. 27.35 s > [2026-09-14 03:33:59.687] @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
  2628. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2629. 27.35 s > [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2630. 27.35 s > [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2631. 27.35 s > [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2632. 27.35 s > [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2633. 27.35 s > [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2634. 27.35 s > [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2635. 27.35 s > [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2636. 27.35 s > [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2637. 27.35 s > [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2638. 27.35 s > [2026-09-14 03:33:59.792] @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)
  2639. 27.35 s > [2026-09-14 03:33:59.792] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2640. 27.35 s > [2026-09-14 03:33:59.792] @commands::generate INFO : Generated cross-section 2 graphs.
  2641. 27.35 s > [2026-09-14 03:33:59.792] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2642. 27.35 s > [2026-09-14 03:33:59.793] @gammaloop_api::se... INFO : Running command generate
  2643. 27.35 s > [2026-09-14 03:34:00.096] @commands::generate INFO :
  2644. 27.35 s > Integrand generation summary
  2645. 27.35 s > peak RAM 96.34 MiB | cores 1
  2646. 27.35 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2647. 27.35 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2648. 27.35 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2649. 27.35 s > │ default │ GL0 │ 3 │ 36ms (45%) │ 20ms (26%) │ 23ms (30%) │ 0ms (0.00%) │
  2650. 27.35 s > │ default │ GL2 │ 5 │ 58ms (31%) │ 59ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  2651. 27.35 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2652. 27.35 s > │ Total │ │ 8 │ 94ms (35%) │ 79ms (30%) │ 93ms (35%) │ 0ms (0.00%) │
  2653. 27.35 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2654. 27.35 s > [2026-09-14 03:34:00.096] @gammaloop_api::se... INFO : Running command set process string '
  2655. 27.35 s > [quantities.leading_jet_pt]
  2656. 27.35 s > type = "jet"
  2657. 27.35 s > quantity = "PT"
  2658. 27.35 s > dR = 0.4
  2659. 27.35 s > [...]
  2660. 27.35 s > [2026-09-14 03:34:00.097] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  2661. 27.35 s > The application panicked (crashed).
  2662. 27.35 s > Message: index out of bounds: the len is 0 but the index is 0
  2663. 27.35 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2664. 27.35 s >
  2665. 27.35 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2666. 27.35 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2667. 27.35 s > at <unknown source file>:<unknown line>
  2668. 27.35 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2669. 27.35 s > at <unknown source file>:<unknown line>
  2670. 27.35 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2671. 27.35 s > at <unknown source file>:<unknown line>
  2672. 27.35 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2673. 27.35 s > at <unknown source file>:<unknown line>
  2674. 27.35 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2675. 27.35 s > at <unknown source file>:<unknown line>
  2676. 27.35 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2677. 27.35 s > at <unknown source file>:<unknown line>
  2678. 27.35 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2679. 27.35 s > at <unknown source file>:<unknown line>
  2680. 27.35 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2681. 27.35 s > at <unknown source file>:<unknown line>
  2682. 27.35 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>
  2683. 27.35 s > at <unknown source file>:<unknown line>
  2684. 27.35 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>
  2685. 27.35 s > at <unknown source file>:<unknown line>
  2686. 27.35 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2687. 27.35 s > at <unknown source file>:<unknown line>
  2688. 27.35 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2689. 27.35 s > at <unknown source file>:<unknown line>
  2690. 27.35 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2691. 27.35 s > at <unknown source file>:<unknown line>
  2692. 27.35 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2693. 27.35 s > at <unknown source file>:<unknown line>
  2694. 27.35 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2695. 27.35 s > at <unknown source file>:<unknown line>
  2696. 27.35 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2697. 27.35 s > at <unknown source file>:<unknown line>
  2698. 27.35 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2699. 27.35 s > at <unknown source file>:<unknown line>
  2700. 27.35 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>
  2701. 27.35 s > at <unknown source file>:<unknown line>
  2702. 27.35 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2703. 27.35 s > at <unknown source file>:<unknown line>
  2704. 27.35 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2705. 27.35 s > at <unknown source file>:<unknown line>
  2706. 27.35 s > 21: PyEval_EvalCode.localalias<unknown>
  2707. 27.35 s > at <unknown source file>:<unknown line>
  2708. 27.35 s > 22: run_eval_code_obj<unknown>
  2709. 27.35 s > at <unknown source file>:<unknown line>
  2710. 27.35 s > 23: run_mod<unknown>
  2711. 27.35 s > at <unknown source file>:<unknown line>
  2712. 27.35 s > 24: Py_RunMain.localalias<unknown>
  2713. 27.35 s > at <unknown source file>:<unknown line>
  2714. 27.35 s > 25: __libc_start_call_main<unknown>
  2715. 27.35 s > at <unknown source file>:<unknown line>
  2716. 27.35 s > 26: __libc_start_main_alias_2<unknown>
  2717. 27.35 s > at <unknown source file>:<unknown line>
  2718. 27.35 s > 27: _start<unknown>
  2719. 27.35 s > at <unknown source file>:<unknown line>
  2720. 27.35 s >
  2721. 27.35 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2722. 27.35 s > Run with RUST_BACKTRACE=full to include source snippets.
  2723. 27.35 s > Traceback (most recent call last):
  2724. 27.35 s > File "<string>", line 78, in <module>
  2725. 27.35 s > without_events = summarize_result(api.evaluate_sample(point))
  2726. 27.35 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  2727. 27.35 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2728. 27.35 s >
  2729. 27.35 s >
  2730. 27.35 s > Location:
  2731. 27.35 s > tests/tests/test_python_api.rs:156:20
  2732. 27.35 s > system-out
  2733. 27.35 s > running 1 test
  2734. 27.35 s > test python_evaluate_sample_honors_generate_events_and_observable_snapshots ... FAILED
  2735. 27.35 s >
  2736. 27.35 s > failures:
  2737. 27.35 s >
  2738. 27.35 s > failures:
  2739. 27.35 s > python_evaluate_sample_honors_generate_events_and_observable_snapshots
  2740. 27.35 s >
  2741. 27.35 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.60s
  2742. 27.35 s > system-err
  2743. 27.35 s > Error: Python API test subprocess failed.
  2744. 27.35 s > stdout:
  2745. 27.35 s >
  2746. 27.35 s > stderr:
  2747. 27.35 s > [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  2748. 27.35 s > [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  2749. 27.35 s > [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2750. 27.35 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2751. 27.35 s > [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2752. 27.35 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-)
  2753. 27.35 s > [2026-09-14 03:33:59.684] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2754. 27.35 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
  2755. 27.35 s > [2026-09-14 03:33:59.685] @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]}}'
  2756. 27.35 s > [2026-09-14 03:33:59.686] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2757. 27.35 s > [2026-09-14 03:33:59.687] @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
  2758. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2759. 27.35 s > [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2760. 27.35 s > [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2761. 27.35 s > [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2762. 27.35 s > [2026-09-14 03:33:59.693] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2763. 27.35 s > [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2764. 27.35 s > [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2765. 27.35 s > [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2766. 27.35 s > [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2767. 27.35 s > [2026-09-14 03:33:59.694] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2768. 27.35 s > [2026-09-14 03:33:59.792] @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)
  2769. 27.35 s > [2026-09-14 03:33:59.792] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2770. 27.35 s > [2026-09-14 03:33:59.792] @commands::generate INFO : Generated cross-section 2 graphs.
  2771. 27.35 s > [2026-09-14 03:33:59.792] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2772. 27.35 s > [2026-09-14 03:33:59.793] @gammaloop_api::se... INFO : Running command generate
  2773. 27.35 s > [2026-09-14 03:34:00.096] @commands::generate INFO :
  2774. 27.35 s > Integrand generation summary
  2775. 27.35 s > peak RAM 96.34 MiB | cores 1
  2776. 27.35 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2777. 27.35 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2778. 27.35 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2779. 27.35 s > │ default │ GL0 │ 3 │ 36ms (45%) │ 20ms (26%) │ 23ms (30%) │ 0ms (0.00%) │
  2780. 27.35 s > │ default │ GL2 │ 5 │ 58ms (31%) │ 59ms (32%) │ 69ms (37%) │ 0ms (0.00%) │
  2781. 27.35 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2782. 27.35 s > │ Total │ │ 8 │ 94ms (35%) │ 79ms (30%) │ 93ms (35%) │ 0ms (0.00%) │
  2783. 27.35 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2784. 27.35 s > [2026-09-14 03:34:00.096] @gammaloop_api::se... INFO : Running command set process string '
  2785. 27.35 s > [quantities.leading_jet_pt]
  2786. 27.35 s > type = "jet"
  2787. 27.35 s > quantity = "PT"
  2788. 27.35 s > dR = 0.4
  2789. 27.35 s > [...]
  2790. 27.35 s > [2026-09-14 03:34:00.097] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=false
  2791. 27.35 s > The application panicked (crashed).
  2792. 27.35 s > Message: index out of bounds: the len is 0 but the index is 0
  2793. 27.35 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2794. 27.35 s >
  2795. 27.35 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2796. 27.35 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2797. 27.35 s > at <unknown source file>:<unknown line>
  2798. 27.35 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2799. 27.35 s > at <unknown source file>:<unknown line>
  2800. 27.35 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2801. 27.35 s > at <unknown source file>:<unknown line>
  2802. 27.35 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2803. 27.35 s > at <unknown source file>:<unknown line>
  2804. 27.35 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2805. 27.35 s > at <unknown source file>:<unknown line>
  2806. 27.35 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2807. 27.35 s > at <unknown source file>:<unknown line>
  2808. 27.35 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2809. 27.35 s > at <unknown source file>:<unknown line>
  2810. 27.35 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2811. 27.35 s > at <unknown source file>:<unknown line>
  2812. 27.35 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>
  2813. 27.35 s > at <unknown source file>:<unknown line>
  2814. 27.35 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>
  2815. 27.35 s > at <unknown source file>:<unknown line>
  2816. 27.35 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2817. 27.35 s > at <unknown source file>:<unknown line>
  2818. 27.35 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2819. 27.35 s > at <unknown source file>:<unknown line>
  2820. 27.35 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2821. 27.35 s > at <unknown source file>:<unknown line>
  2822. 27.35 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2823. 27.35 s > at <unknown source file>:<unknown line>
  2824. 27.35 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_sample<unknown>
  2825. 27.35 s > at <unknown source file>:<unknown line>
  2826. 27.35 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_sample__<unknown>
  2827. 27.35 s > at <unknown source file>:<unknown line>
  2828. 27.35 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2829. 27.35 s > at <unknown source file>:<unknown line>
  2830. 27.35 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>
  2831. 27.35 s > at <unknown source file>:<unknown line>
  2832. 27.35 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2833. 27.35 s > at <unknown source file>:<unknown line>
  2834. 27.35 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2835. 27.35 s > at <unknown source file>:<unknown line>
  2836. 27.35 s > 21: PyEval_EvalCode.localalias<unknown>
  2837. 27.35 s > at <unknown source file>:<unknown line>
  2838. 27.35 s > 22: run_eval_code_obj<unknown>
  2839. 27.35 s > at <unknown source file>:<unknown line>
  2840. 27.35 s > 23: run_mod<unknown>
  2841. 27.35 s > at <unknown source file>:<unknown line>
  2842. 27.35 s > 24: Py_RunMain.localalias<unknown>
  2843. 27.35 s > at <unknown source file>:<unknown line>
  2844. 27.35 s > 25: __libc_start_call_main<unknown>
  2845. 27.35 s > at <unknown source file>:<unknown line>
  2846. 27.35 s > 26: __libc_start_main_alias_2<unknown>
  2847. 27.35 s > at <unknown source file>:<unknown line>
  2848. 27.35 s > 27: _start<unknown>
  2849. 27.35 s > at <unknown source file>:<unknown line>
  2850. 27.35 s >
  2851. 27.35 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2852. 27.35 s > Run with RUST_BACKTRACE=full to include source snippets.
  2853. 27.35 s > Traceback (most recent call last):
  2854. 27.35 s > File "<string>", line 78, in <module>
  2855. 27.35 s > without_events = summarize_result(api.evaluate_sample(point))
  2856. 27.35 s > ~~~~~~~~~~~~~~~~~~~^^^^^^^
  2857. 27.35 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2858. 27.35 s >
  2859. 27.35 s >
  2860. 27.35 s > Location:
  2861. 27.35 s > tests/tests/test_python_api.rs:156:20
  2862. 27.35 s >
  2863. 27.35 s > 3. gammaloop-integration-tests::test_python_api::python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  2864. 27.35 s > failure: test failure with exit code 101
  2865. 27.35 s > Error: Python API test subprocess failed.
  2866. 27.35 s > stdout:
  2867. 27.35 s >
  2868. 27.35 s > stderr:
  2869. 27.35 s > [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  2870. 27.35 s > [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  2871. 27.35 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  2872. 27.35 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  2873. 27.35 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  2874. 27.35 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-)
  2875. 27.35 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  2876. 27.35 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
  2877. 27.35 s > [2026-09-14 03:33:59.682] @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]}}'
  2878. 27.35 s > [2026-09-14 03:33:59.683] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  2879. 27.35 s > [2026-09-14 03:33:59.684] @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
  2880. 27.35 s > [2026-09-14 03:33:59.686] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  2881. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  2882. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  2883. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  2884. 27.35 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  2885. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  2886. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  2887. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  2888. 27.35 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  2889. 27.35 s > [2026-09-14 03:33:59.691] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  2890. 27.35 s > [2026-09-14 03:33:59.789] @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)
  2891. 27.35 s > [2026-09-14 03:33:59.790] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  2892. 27.35 s > [2026-09-14 03:33:59.790] @commands::generate INFO : Generated cross-section 2 graphs.
  2893. 27.35 s > [2026-09-14 03:33:59.790] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  2894. 27.35 s > [2026-09-14 03:33:59.791] @gammaloop_api::se... INFO : Running command generate
  2895. 27.35 s > [2026-09-14 03:34:00.094] @commands::generate INFO :
  2896. 27.35 s > Integrand generation summary
  2897. 27.35 s > peak RAM 95.46 MiB | cores 1
  2898. 27.35 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  2899. 27.35 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  2900. 27.35 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2901. 27.35 s > │ default │ GL0 │ 3 │ 38ms (47%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  2902. 27.35 s > │ default │ GL2 │ 5 │ 56ms (30%) │ 61ms (33%) │ 69ms (37%) │ 0ms (0.00%) │
  2903. 27.35 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  2904. 27.35 s > │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 93ms (34%) │ 0ms (0.00%) │
  2905. 27.35 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  2906. 27.35 s > [2026-09-14 03:34:00.095] @gammaloop_api::se... INFO : Running command set process string '
  2907. 27.35 s > [quantities.leading_jet_pt]
  2908. 27.35 s > type = "jet"
  2909. 27.35 s > quantity = "PT"
  2910. 27.35 s > dR = 0.4
  2911. 27.35 s > [...]
  2912. 27.35 s > [2026-09-14 03:34:00.096] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  2913. 27.35 s > The application panicked (crashed).
  2914. 27.35 s > Message: index out of bounds: the len is 0 but the index is 0
  2915. 27.35 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  2916. 27.35 s >
  2917. 27.35 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  2918. 27.35 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  2919. 27.35 s > at <unknown source file>:<unknown line>
  2920. 27.35 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  2921. 27.35 s > at <unknown source file>:<unknown line>
  2922. 27.35 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  2923. 27.35 s > at <unknown source file>:<unknown line>
  2924. 27.35 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  2925. 27.35 s > at <unknown source file>:<unknown line>
  2926. 27.35 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  2927. 27.35 s > at <unknown source file>:<unknown line>
  2928. 27.35 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  2929. 27.35 s > at <unknown source file>:<unknown line>
  2930. 27.35 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  2931. 27.35 s > at <unknown source file>:<unknown line>
  2932. 27.35 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  2933. 27.35 s > at <unknown source file>:<unknown line>
  2934. 27.35 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>
  2935. 27.35 s > at <unknown source file>:<unknown line>
  2936. 27.35 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>
  2937. 27.35 s > at <unknown source file>:<unknown line>
  2938. 27.35 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  2939. 27.35 s > at <unknown source file>:<unknown line>
  2940. 27.35 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  2941. 27.35 s > at <unknown source file>:<unknown line>
  2942. 27.35 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  2943. 27.35 s > at <unknown source file>:<unknown line>
  2944. 27.35 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  2945. 27.35 s > at <unknown source file>:<unknown line>
  2946. 27.35 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  2947. 27.35 s > at <unknown source file>:<unknown line>
  2948. 27.35 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  2949. 27.35 s > at <unknown source file>:<unknown line>
  2950. 27.35 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  2951. 27.35 s > at <unknown source file>:<unknown line>
  2952. 27.35 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>
  2953. 27.35 s > at <unknown source file>:<unknown line>
  2954. 27.35 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  2955. 27.35 s > at <unknown source file>:<unknown line>
  2956. 27.35 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  2957. 27.35 s > at <unknown source file>:<unknown line>
  2958. 27.35 s > 21: PyEval_EvalCode.localalias<unknown>
  2959. 27.35 s > at <unknown source file>:<unknown line>
  2960. 27.35 s > 22: run_eval_code_obj<unknown>
  2961. 27.35 s > at <unknown source file>:<unknown line>
  2962. 27.35 s > 23: run_mod<unknown>
  2963. 27.35 s > at <unknown source file>:<unknown line>
  2964. 27.35 s > 24: Py_RunMain.localalias<unknown>
  2965. 27.35 s > at <unknown source file>:<unknown line>
  2966. 27.35 s > 25: __libc_start_call_main<unknown>
  2967. 27.35 s > at <unknown source file>:<unknown line>
  2968. 27.35 s > 26: __libc_start_main_alias_2<unknown>
  2969. 27.35 s > at <unknown source file>:<unknown line>
  2970. 27.35 s > 27: _start<unknown>
  2971. 27.35 s > at <unknown source file>:<unknown line>
  2972. 27.35 s >
  2973. 27.35 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  2974. 27.35 s > Run with RUST_BACKTRACE=full to include source snippets.
  2975. 27.35 s > Traceback (most recent call last):
  2976. 27.35 s > File "<string>", line 85, in <module>
  2977. 27.35 s > batch = summarize_batch_result(api.evaluate_samples(points))
  2978. 27.35 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  2979. 27.35 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  2980. 27.35 s >
  2981. 27.35 s >
  2982. 27.35 s > Location:
  2983. 27.35 s > tests/tests/test_python_api.rs:156:20
  2984. 27.35 s > system-out
  2985. 27.35 s > running 1 test
  2986. 27.35 s > test python_evaluate_samples_batch_and_momentum_space_have_expected_shape ... FAILED
  2987. 27.35 s >
  2988. 27.35 s > failures:
  2989. 27.35 s >
  2990. 27.35 s > failures:
  2991. 27.35 s > python_evaluate_samples_batch_and_momentum_space_have_expected_shape
  2992. 27.35 s >
  2993. 27.35 s > test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.71s
  2994. 27.35 s > system-err
  2995. 27.35 s > Error: Python API test subprocess failed.
  2996. 27.35 s > stdout:
  2997. 27.35 s >
  2998. 27.35 s > stderr:
  2999. 27.35 s > [2026-09-14 03:33:59.643] @gammaloop_api::se... INFO : Running command import model sm-default
  3000. 27.35 s > [2026-09-14 03:33:59.644] @import::model INFO : Loading built-in JSON model sm-default
  3001. 27.35 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 11 external parameters were forced to zero by the restriction card:
  3002. 27.35 s > lamWS, AWS, rhoWS, etaWS, ymc, yme, ymm, MC, Me, MM, WTau
  3003. 27.35 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 34 vertex rules were removed by the restriction card:
  3004. 27.35 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-)
  3005. 27.35 s > [2026-09-14 03:33:59.682] @gammalooprs::model INFO : The following 36 couplings were removed by the restriction card:
  3006. 27.35 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
  3007. 27.35 s > [2026-09-14 03:33:59.682] @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]}}'
  3008. 27.35 s > [2026-09-14 03:33:59.683] @gammaloop_api::se... INFO : Running command set default-runtime kv subtraction.disable_threshold_subtraction=true
  3009. 27.35 s > [2026-09-14 03:33:59.684] @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
  3010. 27.35 s > [2026-09-14 03:33:59.686] @feyngen::diagram_... INFO : 0s | Δ=0s | Starting Feynman graph generation with Symbolica...
  3011. 27.36 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs resulting from Symbolica generation: 246
  3012. 27.36 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after enforcing supergraph particle content: 8
  3013. 27.36 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs retained after removal of vetoed topologies: 8
  3014. 27.36 s > [2026-09-14 03:33:59.689] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after vertex info assignment: 8
  3015. 27.36 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after all complete graphs filters are applied: 8
  3016. 27.36 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after closed anticommutating chains analysis: 8
  3017. 27.36 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after fast Cutkosky cut filter is applied: 3
  3018. 27.36 s > [2026-09-14 03:33:59.690] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after symmetrization of external states: 3
  3019. 27.36 s > [2026-09-14 03:33:59.691] @feyngen::diagram_... INFO : 0s | Δ=0s | Number of graphs after canonization of vertices, edges and flows (graph labels assigned here): 3
  3020. 27.36 s > [2026-09-14 03:33:59.789] @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)
  3021. 27.36 s > [2026-09-14 03:33:59.790] @feyngen::diagram_... INFO : ( Sum of the symmetry factors from each graph generated = -3 )
  3022. 27.36 s > [2026-09-14 03:33:59.790] @commands::generate INFO : Generated cross-section 2 graphs.
  3023. 27.36 s > [2026-09-14 03:33:59.790] @commands::generate INFO : Only diagram generation was requested, skipping integrand generation. You can generate integrands later using the 'generate existing <options>' command.
  3024. 27.36 s > [2026-09-14 03:33:59.791] @gammaloop_api::se... INFO : Running command generate
  3025. 27.36 s > [2026-09-14 03:34:00.094] @commands::generate INFO :
  3026. 27.36 s > Integrand generation summary
  3027. 27.36 s > peak RAM 95.46 MiB | cores 1
  3028. 27.36 s > ╭───────────┬───────┬─────────┬────────────┬────────────┬────────────────┬─────────────╮
  3029. 27.36 s > │ integrand │ graph │ # evals │ expr build │ spenso │ symbolica eval │ compile │
  3030. 27.36 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  3031. 27.36 s > │ default │ GL0 │ 3 │ 38ms (47%) │ 20ms (25%) │ 23ms (28%) │ 0ms (0.00%) │
  3032. 27.36 s > │ default │ GL2 │ 5 │ 56ms (30%) │ 61ms (33%) │ 69ms (37%) │ 0ms (0.00%) │
  3033. 27.36 s > ├───────────┼───────┼─────────┼────────────┼────────────┼────────────────┼─────────────┤
  3034. 27.36 s > │ Total │ │ 8 │ 95ms (35%) │ 81ms (30%) │ 93ms (34%) │ 0ms (0.00%) │
  3035. 27.36 s > ╰───────────┴───────┴─────────┴────────────┴────────────┴────────────────┴─────────────╯
  3036. 27.36 s > [2026-09-14 03:34:00.095] @gammaloop_api::se... INFO : Running command set process string '
  3037. 27.36 s > [quantities.leading_jet_pt]
  3038. 27.36 s > type = "jet"
  3039. 27.36 s > quantity = "PT"
  3040. 27.36 s > dR = 0.4
  3041. 27.36 s > [...]
  3042. 27.36 s > [2026-09-14 03:34:00.096] @gammaloop_api::se... INFO : Running command set process kv general.generate_events=true
  3043. 27.36 s > The application panicked (crashed).
  3044. 27.36 s > Message: index out of bounds: the len is 0 but the index is 0
  3045. 27.36 s > Location: crates/gammalooprs/src/subtraction/lu_counterterm.rs:1485
  3046. 27.36 s >
  3047. 27.36 s > ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BACKTRACE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  3048. 27.36 s > 1: <color_eyre[51793ea62743adbd]::config::PanicHook>::panic_report<unknown>
  3049. 27.36 s > at <unknown source file>:<unknown line>
  3050. 27.36 s > 2: <color_eyre[51793ea62743adbd]::config::PanicHook>::into_panic_hook::{closure#0}<unknown>
  3051. 27.36 s > at <unknown source file>:<unknown line>
  3052. 27.36 s > 3: std[bcb96dfbba0ab899]::panicking::panic_with_hook<unknown>
  3053. 27.36 s > at <unknown source file>:<unknown line>
  3054. 27.36 s > 4: std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}<unknown>
  3055. 27.36 s > at <unknown source file>:<unknown line>
  3056. 27.36 s > 5: std[bcb96dfbba0ab899]::sys::backtrace::__rust_end_short_backtrace::<std[bcb96dfbba0ab899]::panicking::panic_handler::{closure#0}, !><unknown>
  3057. 27.36 s > at <unknown source file>:<unknown line>
  3058. 27.36 s > 6: __rustc[6c289b9f9c454d21]::rust_begin_unwind<unknown>
  3059. 27.36 s > at <unknown source file>:<unknown line>
  3060. 27.36 s > 7: core[940e698046960fd5]::panicking::panic_fmt<unknown>
  3061. 27.36 s > at <unknown source file>:<unknown line>
  3062. 27.36 s > 8: core[940e698046960fd5]::panicking::panic_bounds_check<unknown>
  3063. 27.36 s > at <unknown source file>:<unknown line>
  3064. 27.36 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>
  3065. 27.36 s > at <unknown source file>:<unknown line>
  3066. 27.36 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>
  3067. 27.36 s > at <unknown source file>:<unknown line>
  3068. 27.36 s > 11: <gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionGraphTerm as gammalooprs[b9254693d317978d]::integrands::process::GraphTerm>::evaluate::<f64><unknown>
  3069. 27.36 s > at <unknown source file>:<unknown line>
  3070. 27.36 s > 12: gammalooprs[b9254693d317978d]::integrands::process::evaluate_from_source_precise::<gammalooprs[b9254693d317978d]::integrands::process::cross_section::CrossSectionIntegrand><unknown>
  3071. 27.36 s > at <unknown source file>:<unknown line>
  3072. 27.36 s > 13: <gammalooprs[b9254693d317978d]::integrands::process::ProcessIntegrand>::evaluate_samples_raw<unknown>
  3073. 27.36 s > at <unknown source file>:<unknown line>
  3074. 27.36 s > 14: <gammaloop_api[601dc80d652de88d]::commands::evaluate_samples::EvaluateSamples>::run<unknown>
  3075. 27.36 s > at <unknown source file>:<unknown line>
  3076. 27.36 s > 15: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::evaluate_samples<unknown>
  3077. 27.36 s > at <unknown source file>:<unknown line>
  3078. 27.36 s > 16: <gammaloop_api[601dc80d652de88d]::python::GammaLoopAPI>::__pymethod_evaluate_samples__<unknown>
  3079. 27.36 s > at <unknown source file>:<unknown line>
  3080. 27.36 s > 17: pyo3[4efe0e4b266717a9]::impl_::trampoline::trampoline::<pyo3[4efe0e4b266717a9]::impl_::trampoline::cfunction_with_keywords::inner::{closure#0}, *mut pyo3_ffi[186f92fc97b423de]::object::PyObject><unknown>
  3081. 27.36 s > at <unknown source file>:<unknown line>
  3082. 27.36 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>
  3083. 27.36 s > at <unknown source file>:<unknown line>
  3084. 27.36 s > 19: method_vectorcall_VARARGS_KEYWORDS<unknown>
  3085. 27.36 s > at <unknown source file>:<unknown line>
  3086. 27.36 s > 20: _PyEval_EvalFrameDefault.localalias<unknown>
  3087. 27.36 s > at <unknown source file>:<unknown line>
  3088. 27.36 s > 21: PyEval_EvalCode.localalias<unknown>
  3089. 27.36 s > at <unknown source file>:<unknown line>
  3090. 27.36 s > 22: run_eval_code_obj<unknown>
  3091. 27.36 s > at <unknown source file>:<unknown line>
  3092. 27.36 s > 23: run_mod<unknown>
  3093. 27.36 s > at <unknown source file>:<unknown line>
  3094. 27.36 s > 24: Py_RunMain.localalias<unknown>
  3095. 27.36 s > at <unknown source file>:<unknown line>
  3096. 27.36 s > 25: __libc_start_call_main<unknown>
  3097. 27.36 s > at <unknown source file>:<unknown line>
  3098. 27.36 s > 26: __libc_start_main_alias_2<unknown>
  3099. 27.36 s > at <unknown source file>:<unknown line>
  3100. 27.36 s > 27: _start<unknown>
  3101. 27.36 s > at <unknown source file>:<unknown line>
  3102. 27.36 s >
  3103. 27.36 s > Run with COLORBT_SHOW_HIDDEN=1 environment variable to disable frame filtering.
  3104. 27.36 s > Run with RUST_BACKTRACE=full to include source snippets.
  3105. 27.36 s > Traceback (most recent call last):
  3106. 27.36 s > File "<string>", line 85, in <module>
  3107. 27.36 s > batch = summarize_batch_result(api.evaluate_samples(points))
  3108. 27.36 s > ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
  3109. 27.36 s > pyo3_runtime.PanicException: index out of bounds: the len is 0 but the index is 0
  3110. 27.36 s >
  3111. 27.36 s >
  3112. 27.36 s > Location:
  3113. 27.36 s > tests/tests/test_python_api.rs:156:20
  3114. 27.36 s > =========================================
  3115. 27.36 s For full logs, run:
  3116. 27.36 s nix log /nix/store/pjzj80k3rmb55mn2s1vlwi2xqcssp4v1-gammaloop-nextest-python-api.drv
  3117. 27.49 s Run failed.