{
  "tm": "1RB---_1LC0LA_1LD0LC_1RE0LB_1RF0RE_1LC0RD",
  "label": "W4-3c",
  "status": "KILLED_NONHALT",
  "stage": "done",
  "updated": "2026-10-13",
  "reason": "check_kill PASS, independently re-verified",
  "check_kill": {
    "result": "PASS",
    "mode": "nonhalt",
    "sha256": "530d97885a928b4f4876ba86e8abff5590bedced56ba0ebe8c69ba1d04c159af",
    "compile_s": 68.9,
    "coqchk": "timeout",
    "coqchk_cap_s": 600,
    "assumptions": [],
    "checked_at": "2026-10-13T17:44:36Z",
    "log": "submission/check_kill.txt",
    "raw": [
      "rocq/check_kill_2026-10-13_fix1.out"
    ]
  },
  "parent": "1RB0RF_1RC0RB_1LD0RA_1LE0LD_1RB0LC_1LA---",
  "parent_note": "W4-3 (740 line 341), killed 2026-10-12",
  "relation": "sibling of W4-3: W4-3's table mirrored (L <-> R) and renamed (phi = A->F, B->A, C->B, D->C, E->D, F->E), started in W4-3's state F",
  "holdout_line_740": 588,
  "funded": {
    "option": "sync_stage",
    "date": "2026-10-12",
    "campaign": "class2_closeout",
    "stage": 2
  },
  "next": "Post after the parent (submission/discord.md; fill <LINK>). Not posted.",
  "proof_md": "proof.md: delta proof from W4-3 (relation = mirror + renaming, opening run to record exit 28 at step 2,629,080,059,236, C_r5(2) holds there; five deep chain gaps differ, blocks 5 and 6), complete and validated (Checkpoint B content, 2026-10-12)",
  "check_proof": {
    "result": "PASS",
    "claims": "36/36 default (44 s); --full: running at hand-off, see check_proof_full.out",
    "out": [
      "check_proof.out",
      "check_proof_full.out"
    ]
  },
  "workflow_name": "W4-3-sib2",
  "delta_fix": "proof.md/submission proof.md/README.md had the lp (inter) gaps of nus28 blocks 2-3 wrong by 3 (34/2/6 for 37/5/9); corrected; .v unchanged and correct; S7 now checks the public numbers",
  "audit": {
    "result": "verified",
    "check_kill_exit": 0,
    "checked_at": "2026-10-13T05:11:20Z",
    "sha256": "48b42cafcdb8bf0653960ac7b4552c8cb99e4afe0f26623d183b8deb9020d1d3",
    "note": "independent audit: check_kill PASS, holdout line 624 of the 778 list, whole .v read, reduction chain (flip_halts, perm_halts, perm_sib) checked against Flip.v/Permute.v, nonhalt_P diffed against the parent's file"
  },
  "header_edit": "packaging, after the audit: comment-only change of header line 35 to the house-style 'the accompanying write-up (proof.md), which builds on the parent's write-up' (was 'the parent's write-up (proof.md), which covers this start (its base case)'); diff = that one line; sha256 48b42caf..d1d3 -> f9b7173d..af9b, fresh check_kill PASS on the new file",
  "check_kill_history": [
    {
      "by": "formalization stage 2",
      "sha256": "48b42caf..d1d3",
      "result": "PASS",
      "compile_s": 72.31,
      "log": "rocq/check_kill.log"
    },
    {
      "by": "formalization round 1",
      "sha256": "48b42caf..d1d3",
      "result": "PASS",
      "compile_s": 57.29,
      "checked_at": "2026-10-13T04:59:34Z",
      "log": "rocq/check_kill_round1.log"
    },
    {
      "by": "independent audit",
      "sha256": "48b42caf..d1d3",
      "result": "PASS",
      "compile_s": 57.8,
      "checked_at": "2026-10-13T05:11:20Z"
    },
    {
      "by": "packaging (final file)",
      "sha256": "f9b7173d..af9b",
      "result": "PASS",
      "compile_s": 58.91,
      "checked_at": "2026-10-13T05:24:36Z",
      "log": "rocq/check_kill_package.out"
    }
  ],
  "pr": "https://github.com/ccz181078/busycoq/pull/17",
  "pr_state": "merged",
  "pr_comments": 0,
  "posted": "2026-10-13 (bbchallenge Discord, by Dennis)",
  "pr_file": "verify/Skelet1LikeC2_1RB1RZ_1LC0LA.v",
  "pr_merged_at": "2026-10-14T06:20:18Z",
  "pr_merged_by": "ccz181078",
  "pr_merge_commit": "a036ccd"
}