{
  "schema": "hella.exp040.reservation-invariant.v1",
  "model": {
    "credit_units": 8,
    "request_sizes": [
      1,
      2,
      4
    ],
    "max_inflight": 4,
    "max_depth": 8
  },
  "reservation_before_admission": {
    "reachable_states": 97,
    "transitions_checked": 555,
    "invariant_violations": 0,
    "invariant": "used + reserved <= credit"
  },
  "post_hoc_comparison": {
    "reachable_states": 324,
    "transitions_checked": 1763,
    "overshoot_completion_transitions": 86,
    "max_used_units_reached": 16
  },
  "truth_boundary": "Finite-state credit-ledger model only; not a storage-target implementation proof."
}