{"abstract":"Inclusive maximum accepts out-of-range value.","category":"Tool call schema validation","checks":6,"contract":"A numeric value satisfies an inclusive maximum when value <= maximum.","contract_signature":"value, maximum","evaluation_group":"w3-schema-maximum-inclusive-bound","failed_approach":"Subtracting one from the maximum rejects the valid endpoint and valid fractional values between maximum minus one and maximum.","family":"w3-tool-call-schema-validation-maximum-inclusive-bound","id":"FA-99771","implementations":{"attempt":{"sha256":"76c5cf787b87f5b72a3a45fdc9a363e9d2d20c23109b30ea8bdf432872ecb5dc","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(value, maximum):\n    return value <= maximum-1\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\ncheck('below endpoint',solve(N-1,N),True)\ncheck('at endpoint',solve(N,N),True)\ncheck('above endpoint',solve(N+1,N),False)\ncheck('negative max equality',solve(-N,-N),True)\ncheck('empty-scale zero',solve(0,0),True)\ncheck('far above',solve(N+5,N),False)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"},"broken":{"sha256":"819ab56363ff87fdcd6502eb6c570a6a76a35a6e6c1334f9ff664e61f7519acc","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(value, maximum):\n    return value >= maximum\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\ncheck('below endpoint',solve(N-1,N),True)\ncheck('at endpoint',solve(N,N),True)\ncheck('above endpoint',solve(N+1,N),False)\ncheck('negative max equality',solve(-N,-N),True)\ncheck('empty-scale zero',solve(0,0),True)\ncheck('far above',solve(N+5,N),False)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"}},"limitations":"Self-contained toy JSON-like schema contract over in-memory Python values; no compatibility with a production schema standard or callable binding is claimed. This reproducer isolates one failure mechanism. Results cover the supplied fixtures. Variants within a family share a test contract and should remain grouped when constructing evaluation splits. Related mechanisms with a shared evaluation_group must also remain together; these controlled models are not independent production incidents.","method":"Deterministic executable model with adversarial boundary fixtures.","provenance":{"created_by":"Failure Map","dependencies":"Python standard library","family":"w3-tool-call-schema-validation-maximum-inclusive-bound","generated_at":"2026-09-30T16:48:28.065405+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Tool argument validation prevents malformed structured payloads from entering a deterministic downstream operation.","root_cause":"The upper endpoint comparison is reversed or omitted.","sha256":"4eb2e7dd94836ea66488f3eaaeb18b0dd3cf8bee936763e911facda8ad305a0b","title":"Inclusive maximum accepts out-of-range value · case 01","variant":1,"variant_policy":"The fixture code references N, supplied as 1 through 5. Fixed boundary checks may repeat. These records share one mechanism and must remain together in evaluation splits.","verified":true,"visibility":"public","verification":{"attempt":{"elapsed_ms":28.525,"exit_code":1,"observations":[{"actual":true,"check":"below endpoint","expected":true,"passed":true},{"actual":false,"check":"at endpoint","expected":true,"passed":false},{"actual":false,"check":"above endpoint","expected":false,"passed":true},{"actual":false,"check":"negative max equality","expected":true,"passed":false},{"actual":false,"check":"empty-scale zero","expected":true,"passed":false},{"actual":false,"check":"far above","expected":false,"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"below endpoint\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"at endpoint\", \"actual\": false, \"expected\": true, \"passed\": false}, {\"check\": \"above endpoint\", \"actual\": false, \"expected\": false, \"passed\": true}, {\"check\": \"negative max equality\", \"actual\": false, \"expected\": true, \"passed\": false}, {\"check\": \"empty-scale zero\", \"actual\": false, \"expected\": true, \"passed\": false}, {\"check\": \"far above\", \"actual\": false, \"expected\": false, \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":27.91,"exit_code":1,"observations":[{"actual":false,"check":"below endpoint","expected":true,"passed":false},{"actual":true,"check":"at endpoint","expected":true,"passed":true},{"actual":true,"check":"above endpoint","expected":false,"passed":false},{"actual":true,"check":"negative max equality","expected":true,"passed":true},{"actual":true,"check":"empty-scale zero","expected":true,"passed":true},{"actual":true,"check":"far above","expected":false,"passed":false}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"below endpoint\", \"actual\": false, \"expected\": true, \"passed\": false}, {\"check\": \"at endpoint\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"above endpoint\", \"actual\": true, \"expected\": false, \"passed\": false}, {\"check\": \"negative max equality\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"empty-scale zero\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"far above\", \"actual\": true, \"expected\": false, \"passed\": false}], \"passed\": false}\n"}},"member_only":{"stages":["fixed"],"fields":["implementations.fixed","verification.fixed","harness","repair"],"note":"The verified repair, its recorded checks, the repair description, and the scoring harness are available to members."}}