{
  "available": true,
  "engine": "z3 SMT (reals/ints/bools) \u2014 soundness as UNSAT(recheck \u2227 \u00ac\u03a6), with non-vacuity, completeness, and per-forgery teeth",
  "spec_source": "core/recheck.py (the single canonical re-check table)",
  "v1_kinds": 13,
  "v11_kinds": 2,
  "n_kinds": 15,
  "n_proven_sound": 15,
  "n_complete": 15,
  "all_kinds_sound": true,
  "kinds": [
    {
      "kind": "lec",
      "soundness_no_false_accept": true,
      "non_vacuous_can_accept": true,
      "non_vacuous_can_reject": true,
      "completeness_true_cert_accepted": true,
      "soundness_slack": 0.0,
      "is_transcription_kind": true,
      "teeth": [
        {
          "forgery": "not_equivalent_rejected",
          "rejected": true
        }
      ],
      "all_teeth_reject": true,
      "differential_vs_real_recheck": {
        "cases": 83,
        "divergences": 0,
        "detail": []
      },
      "model_matches_real_recheck": true,
      "proven_sound": true
    },
    {
      "kind": "timing",
      "soundness_no_false_accept": true,
      "non_vacuous_can_accept": true,
      "non_vacuous_can_reject": true,
      "completeness_true_cert_accepted": true,
      "soundness_slack": 0.0,
      "is_transcription_kind": true,
      "teeth": [
        {
          "forgery": "worsened_tns_rejected",
          "rejected": true
        },
        {
          "forgery": "uncertified_increment_rejected",
          "rejected": true
        }
      ],
      "all_teeth_reject": true,
      "differential_vs_real_recheck": {
        "cases": 84,
        "divergences": 0,
        "detail": []
      },
      "model_matches_real_recheck": true,
      "proven_sound": true
    },
    {
      "kind": "optimality",
      "soundness_no_false_accept": true,
      "non_vacuous_can_accept": true,
      "non_vacuous_can_reject": true,
      "completeness_true_cert_accepted": true,
      "soundness_slack": 0.001000001,
      "is_transcription_kind": false,
      "teeth": [
        {
          "forgery": "mismatched_gap_pct_rejected",
          "rejected": true
        }
      ],
      "all_teeth_reject": true,
      "differential_vs_real_recheck": {
        "cases": 12,
        "divergences": 0,
        "detail": []
      },
      "model_matches_real_recheck": true,
      "proven_sound": true
    },
    {
      "kind": "coverage",
      "soundness_no_false_accept": true,
      "non_vacuous_can_accept": true,
      "non_vacuous_can_reject": true,
      "completeness_true_cert_accepted": true,
      "soundness_slack": 0.0,
      "is_transcription_kind": true,
      "teeth": [
        {
          "forgery": "under_target_rejected",
          "rejected": true
        }
      ],
      "all_teeth_reject": true,
      "differential_vs_real_recheck": {
        "cases": 83,
        "divergences": 0,
        "detail": []
      },
      "model_matches_real_recheck": true,
      "proven_sound": true
    },
    {
      "kind": "box_closure",
      "soundness_no_false_accept": true,
      "non_vacuous_can_accept": true,
      "non_vacuous_can_reject": true,
      "completeness_true_cert_accepted": true,
      "soundness_slack": 0.0,
      "is_transcription_kind": true,
      "teeth": [
        {
          "forgery": "late_endpoint_rejected",
          "rejected": true
        }
      ],
      "all_teeth_reject": true,
      "differential_vs_real_recheck": {
        "cases": 83,
        "divergences": 0,
        "detail": []
      },
      "model_matches_real_recheck": true,
      "proven_sound": true
    },
    {
      "kind": "independent_proof",
      "soundness_no_false_accept": true,
      "non_vacuous_can_accept": true,
      "non_vacuous_can_reject": true,
      "completeness_true_cert_accepted": true,
      "soundness_slack": 0.0,
      "is_transcription_kind": true,
      "teeth": [
        {
          "forgery": "drop_base_rejected",
          "rejected": true
        },
        {
          "forgery": "drop_step_rejected",
          "rejected": true
        },
        {
          "forgery": "drop_prop_rejected",
          "rejected": true
        }
      ],
      "all_teeth_reject": true,
      "differential_vs_real_recheck": {
        "cases": 85,
        "divergences": 0,
        "detail": []
      },
      "model_matches_real_recheck": true,
      "proven_sound": true
    },
    {
      "kind": "route_survival",
      "soundness_no_false_accept": true,
      "non_vacuous_can_accept": true,
      "non_vacuous_can_reject": true,
      "completeness_true_cert_accepted": true,
      "soundness_slack": 0.0,
      "is_transcription_kind": true,
      "teeth": [
        {
          "forgery": "drc_nonzero_rejected",
          "rejected": true
        },
        {
          "forgery": "post_route_neg_wns_rejected",
          "rejected": true
        },
        {
          "forgery": "no_saving_rejected",
          "rejected": true
        }
      ],
      "all_teeth_reject": true,
      "differential_vs_real_recheck": {
        "cases": 85,
        "divergences": 0,
        "detail": []
      },
      "model_matches_real_recheck": true,
      "proven_sound": true
    },
    {
      "kind": "qor_closure",
      "soundness_no_false_accept": true,
      "non_vacuous_can_accept": true,
      "non_vacuous_can_reject": true,
      "completeness_true_cert_accepted": true,
      "soundness_slack": 0.0,
      "is_transcription_kind": true,
      "teeth": [
        {
          "forgery": "wns_regression_rejected",
          "rejected": true
        },
        {
          "forgery": "over_area_budget_rejected",
          "rejected": true
        },
        {
          "forgery": "more_violations_rejected",
          "rejected": true
        }
      ],
      "all_teeth_reject": true,
      "differential_vs_real_recheck": {
        "cases": 85,
        "divergences": 0,
        "detail": []
      },
      "model_matches_real_recheck": true,
      "proven_sound": true
    },
    {
      "kind": "rtl_closure",
      "soundness_no_false_accept": true,
      "non_vacuous_can_accept": true,
      "non_vacuous_can_reject": true,
      "completeness_true_cert_accepted": true,
      "soundness_slack": 0.0,
      "is_transcription_kind": true,
      "teeth": [
        {
          "forgery": "vacuous_proof_rejected",
          "rejected": true
        },
        {
          "forgery": "unreproduced_cex_rejected",
          "rejected": true
        },
        {
          "forgery": "not_closed_rejected",
          "rejected": true
        }
      ],
      "all_teeth_reject": true,
      "differential_vs_real_recheck": {
        "cases": 85,
        "divergences": 0,
        "detail": []
      },
      "model_matches_real_recheck": true,
      "proven_sound": true
    },
    {
      "kind": "dft_diagnosis",
      "soundness_no_false_accept": true,
      "non_vacuous_can_accept": true,
      "non_vacuous_can_reject": true,
      "completeness_true_cert_accepted": true,
      "soundness_slack": 0.0,
      "is_transcription_kind": true,
      "teeth": [
        {
          "forgery": "under_coverage_rejected",
          "rejected": true
        },
        {
          "forgery": "compaction_loses_coverage_rejected",
          "rejected": true
        }
      ],
      "all_teeth_reject": true,
      "differential_vs_real_recheck": {
        "cases": 84,
        "divergences": 0,
        "detail": []
      },
      "model_matches_real_recheck": true,
      "proven_sound": true
    },
    {
      "kind": "package_closure",
      "soundness_no_false_accept": true,
      "non_vacuous_can_accept": true,
      "non_vacuous_can_reject": true,
      "completeness_true_cert_accepted": true,
      "soundness_slack": 0.0,
      "is_transcription_kind": true,
      "teeth": [
        {
          "forgery": "thermal_over_target_rejected",
          "rejected": true
        },
        {
          "forgery": "overlap_rejected",
          "rejected": true
        },
        {
          "forgery": "loses_to_naive_rejected",
          "rejected": true
        }
      ],
      "all_teeth_reject": true,
      "differential_vs_real_recheck": {
        "cases": 85,
        "divergences": 0,
        "detail": []
      },
      "model_matches_real_recheck": true,
      "proven_sound": true
    },
    {
      "kind": "routing_congestion",
      "soundness_no_false_accept": true,
      "non_vacuous_can_accept": true,
      "non_vacuous_can_reject": true,
      "completeness_true_cert_accepted": true,
      "soundness_slack": 0.0,
      "is_transcription_kind": true,
      "teeth": [
        {
          "forgery": "overflow_rejected",
          "rejected": true
        },
        {
          "forgery": "timing_regressed_rejected",
          "rejected": true
        }
      ],
      "all_teeth_reject": true,
      "differential_vs_real_recheck": {
        "cases": 84,
        "divergences": 0,
        "detail": []
      },
      "model_matches_real_recheck": true,
      "proven_sound": true
    },
    {
      "kind": "multicorner_closure",
      "soundness_no_false_accept": true,
      "non_vacuous_can_accept": true,
      "non_vacuous_can_reject": true,
      "completeness_true_cert_accepted": true,
      "soundness_slack": 0.0,
      "is_transcription_kind": true,
      "teeth": [
        {
          "forgery": "candidate_misses_a_corner_rejected",
          "rejected": true
        },
        {
          "forgery": "no_capability_gap_rejected",
          "rejected": true
        },
        {
          "forgery": "worse_at_dominant_rejected",
          "rejected": true
        }
      ],
      "all_teeth_reject": true,
      "differential_vs_real_recheck": {
        "cases": 85,
        "divergences": 0,
        "detail": []
      },
      "model_matches_real_recheck": true,
      "proven_sound": true
    },
    {
      "kind": "pdn_ir_closure",
      "soundness_no_false_accept": true,
      "non_vacuous_can_accept": true,
      "non_vacuous_can_reject": true,
      "completeness_true_cert_accepted": true,
      "soundness_slack": 0.001000001,
      "is_transcription_kind": false,
      "teeth": [
        {
          "forgery": "mismatched_ir_pct_rejected",
          "rejected": true
        },
        {
          "forgery": "over_em_limit_rejected",
          "rejected": true
        },
        {
          "forgery": "under_analyzed_grid_rejected",
          "rejected": true
        }
      ],
      "all_teeth_reject": true,
      "differential_vs_real_recheck": {
        "cases": 30,
        "divergences": 0,
        "detail": []
      },
      "model_matches_real_recheck": true,
      "proven_sound": true
    },
    {
      "kind": "thermal_closure",
      "soundness_no_false_accept": true,
      "non_vacuous_can_accept": true,
      "non_vacuous_can_reject": true,
      "completeness_true_cert_accepted": true,
      "soundness_slack": 0.0,
      "is_transcription_kind": false,
      "teeth": [
        {
          "forgery": "over_limit_rejected",
          "rejected": true
        },
        {
          "forgery": "lied_margin_rejected",
          "rejected": true
        },
        {
          "forgery": "too_many_hotspots_rejected",
          "rejected": true
        },
        {
          "forgery": "over_gradient_rejected",
          "rejected": true
        }
      ],
      "all_teeth_reject": true,
      "differential_vs_real_recheck": {
        "cases": 86,
        "divergences": 0,
        "detail": []
      },
      "model_matches_real_recheck": true,
      "proven_sound": true
    }
  ],
  "honest_scope": "Proves the verifier's decision logic is sound (cannot be fooled by inconsistent or adversarial evidence) under the same EPS/rounding tolerances recheck uses; measurements modelled exactly. Does NOT certify the upstream tool's measurement itself \u2014 that is the binding/provenance layer (toolchain hash)."
}