{
  "step": "C407",
  "status": "passed",
  "assertions_passed": 50,
  "checks": [
    "binding boundary (500, 0)",
    "admitted loop arithmetic (500, 0)",
    "binding boundary (500, 1)",
    "admitted loop arithmetic (500, 1)",
    "binding boundary (500, 2)",
    "admitted loop arithmetic (500, 2)",
    "binding boundary (500, 3)",
    "admitted loop arithmetic (500, 3)",
    "binding boundary (500, 4)",
    "admitted loop arithmetic (500, 4)",
    "binding boundary (500, 5)",
    "admitted loop arithmetic (500, 5)",
    "binding boundary (500, 6)",
    "admitted loop arithmetic (500, 6)",
    "binding boundary (500, 7)",
    "admitted loop arithmetic (500, 7)",
    "binding boundary (500, 8)",
    "admitted loop arithmetic (500, 8)",
    "binding boundary (500, 9)",
    "admitted loop arithmetic (500, 9)",
    "binding boundary (500, 10)",
    "admitted loop arithmetic (500, 10)",
    "binding boundary (500, 11)",
    "admitted loop arithmetic (500, 11)",
    "binding boundary (502, 0)",
    "only unavailable Gear0 slots (502, 0)",
    "binding boundary (502, 1)",
    "only unavailable Gear0 slots (502, 1)",
    "binding boundary (502, 2)",
    "only unavailable Gear0 slots (502, 2)",
    "binding boundary (502, 3)",
    "only unavailable Gear0 slots (502, 3)",
    "binding boundary (502, 4)",
    "only unavailable Gear0 slots (502, 4)",
    "binding boundary (502, 5)",
    "only unavailable Gear0 slots (502, 5)",
    "binding boundary (502, 6)",
    "admitted loop arithmetic (502, 6)",
    "binding boundary (502, 7)",
    "admitted loop arithmetic (502, 7)",
    "binding boundary (502, 8)",
    "admitted loop arithmetic (502, 8)",
    "binding boundary (502, 9)",
    "admitted loop arithmetic (502, 9)",
    "binding boundary (502, 10)",
    "admitted loop arithmetic (502, 10)",
    "binding boundary (502, 11)",
    "admitted loop arithmetic (502, 11)",
    "502 outputs are a subset of500 source configurations",
    "one complete502 coordinate graph"
  ],
  "source_checks_passed": 17,
  "source_checks": [
    "frozen PREVIOUS_CERTIFICATE.json",
    "frozen PREVIOUS_RESULTS.json",
    "frozen PREVIOUS_DATA.json",
    "frozen PREVIOUS_CHECKPOINT.md",
    "frozen PREVIOUS_NEXT_STEP.json",
    "frozen File_18.md",
    "frozen File_09.md",
    "frozen C286_DATA.json",
    "frozen C287_DATA.json",
    "frozen C271_REGISTER.json",
    "frozen C396_DATA.json",
    "frozen C405_DATA.json",
    "frozen C406_DATA.json",
    "predecessor PREVIOUS_RESULTS.json",
    "predecessor PREVIOUS_DATA.json",
    "predecessor PREVIOUS_CHECKPOINT.md",
    "predecessor PREVIOUS_NEXT_STEP.json"
  ],
  "canonical_or_graph_edits": false,
  "check_scope": "Finite source-labelled calculation; counts are verification inventory, not witness counts."
}