{"abstract":"Putaway is directed to a zone with no free positions.","category":"Warehouse slotting and bin packing","checks":8,"contract":"zones [[zone, min_c, max_c, free_positions]], product [min_c, max_c]. A zone is eligible when its whole range lies inside the product range (inclusive) and it has free positions. Prefer the narrowest zone range, then most free positions, then zone id. None -> \"REJECT\".","contract_signature":"zones, product","evaluation_group":"w2-warehouse-slotting-temp-zone","failed_approach":"Removing the guard entirely has the same effect as the original defect.","family":"w2-warehouse-slotting-temp-zone-free-positions","id":"FA-95211","implementations":{"attempt":{"sha256":"01290c214e87ddb42d4e1f273214dda4e74d5c9d94e7d9c6b02807516765494a","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(zones, product):\n    pmin, pmax = product\n    best = None\n    for zid, zmin, zmax, free in zones:\n        if zmin < pmin or zmax > pmax:\n            continue\n        key = (zmax - zmin, -free, zid)\n        if best is None or key < best:\n            best = key\n    return best[2] if best else 'REJECT'\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[['full zone', [[['A', 2, 8, 0], ['B', 0, 8, 1]], [0, 8]], 'B'], ['generated mix 10', [[['Z0', 15, 25, 5], ['Z1', 2, 8, 0], ['Z2', 0, 8, 0]], [0, 8]], 'REJECT'], ['exact match', [[['C', 2, 8, 3]], [2, 8]], 'C'], ['narrowest', [[['A', 0, 8, 5], ['B', 2, 6, 1]], [0, 8]], 'B'], ['frozen', [[['F', -25, -18, 2], ['C', 0, 4, 9]], [-30, -15]], 'F'], ['zone too wide', [[['C', 0, 8, 3]], [2, 8]], 'REJECT'], ['tie most free', [[['A', 2, 8, 1], ['B', 2, 8, 4]], [0, 10]], 'B'], ['generated mix 8', [[['Z0', -25, -18, 5]], [0, 4]], 'REJECT']], [['full zone', [[['A', 2, 8, 0], ['B', 0, 8, 1]], [0, 8]], 'B'], ['generated mix 77', [[['Z0', 15, 25, 0], ['Z1', 10, 30, 1]], [15, 25]], 'REJECT'], ['tie most free', [[['A', 2, 8, 1], ['B', 2, 8, 4]], [0, 10]], 'B'], ['exact match', [[['C', 2, 8, 3]], [2, 8]], 'C'], ['narrowest', [[['A', 0, 8, 5], ['B', 2, 6, 1]], [0, 8]], 'B'], ['frozen', [[['F', -25, -18, 2], ['C', 0, 4, 9]], [-30, -15]], 'F'], ['generated mix 11', [[['Z0', 15, 25, 1], ['Z1', -25, -18, 5], ['Z2', 15, 25, 5]], [10, 30]], 'Z2'], ['generated mix 19', [[['Z0', -25, -18, 12]], [0, 8]], 'REJECT']], [['full zone', [[['A', 2, 8, 0], ['B', 0, 8, 1]], [0, 8]], 'B'], ['generated mix 72', [[['Z0', 0, 4, 0], ['Z1', 15, 25, 0]], [0, 8]], 'REJECT'], ['zone too wide', [[['C', 0, 8, 3]], [2, 8]], 'REJECT'], ['tie most free', [[['A', 2, 8, 1], ['B', 2, 8, 4]], [0, 10]], 'B'], ['exact match', [[['C', 2, 8, 3]], [2, 8]], 'C'], ['narrowest', [[['A', 0, 8, 5], ['B', 2, 6, 1]], [0, 8]], 'B'], ['generated mix 22', [[['Z0', -25, -18, 5], ['Z1', 2, 8, 0], ['Z2', 0, 4, 12], ['Z3', 0, 8, 12]], [-25, -15]], 'Z0'], ['generated mix 30', [[['Z0', 15, 25, 0], ['Z1', 0, 4, 5], ['Z2', -30, -15, 0]], [15, 25]], 'REJECT']], [['full zone', [[['A', 2, 8, 0], ['B', 0, 8, 1]], [0, 8]], 'B'], ['generated mix 30', [[['Z0', 15, 25, 0], ['Z1', 0, 4, 5], ['Z2', -30, -15, 0]], [15, 25]], 'REJECT'], ['frozen', [[['F', -25, -18, 2], ['C', 0, 4, 9]], [-30, -15]], 'F'], ['zone too wide', [[['C', 0, 8, 3]], [2, 8]], 'REJECT'], ['tie most free', [[['A', 2, 8, 1], ['B', 2, 8, 4]], [0, 10]], 'B'], ['exact match', [[['C', 2, 8, 3]], [2, 8]], 'C'], ['generated mix 34', [[['Z0', 0, 8, 0], ['Z1', 0, 4, 5], ['Z2', 2, 8, 5], ['Z3', 0, 4, 1], ['Z4', 0, 8, 1]], [-30, -18]], 'REJECT'], ['generated mix 42', [[['Z0', 2, 8, 1], ['Z1', -30, -15, 12]], [-5, 10]], 'Z0']], [['full zone', [[['A', 2, 8, 0], ['B', 0, 8, 1]], [0, 8]], 'B'], ['narrowest', [[['A', 0, 8, 5], ['B', 2, 6, 1]], [0, 8]], 'B'], ['frozen', [[['F', -25, -18, 2], ['C', 0, 4, 9]], [-30, -15]], 'F'], ['zone too wide', [[['C', 0, 8, 3]], [2, 8]], 'REJECT'], ['tie most free', [[['A', 2, 8, 1], ['B', 2, 8, 4]], [0, 10]], 'B'], ['generated mix 44', [[['Z0', 0, 8, 12], ['Z1', 0, 4, 12]], [-25, -15]], 'REJECT'], ['generated mix 52', [[['Z0', 10, 30, 0], ['Z1', 0, 4, 0]], [-25, -15]], 'REJECT'], ['generated mix 60', [[['Z0', 15, 25, 0], ['Z1', -25, -18, 12]], [2, 8]], 'REJECT']]]\nfor label, args, expected in fixtures[N-1]:\n    check(label, solve(*args), expected)\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":"1096909e388815a9386f2a38d5cf87ff5a528244cfebf3ff7dcad8901360c358","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(zones, product):\n    pmin, pmax = product\n    best = None\n    for zid, zmin, zmax, free in zones:\n        if zmin < pmin or zmax > pmax:\n            continue\n        if free < 0:\n            continue\n        key = (zmax - zmin, -free, zid)\n        if best is None or key < best:\n            best = key\n    return best[2] if best else 'REJECT'\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[['full zone', [[['A', 2, 8, 0], ['B', 0, 8, 1]], [0, 8]], 'B'], ['generated mix 10', [[['Z0', 15, 25, 5], ['Z1', 2, 8, 0], ['Z2', 0, 8, 0]], [0, 8]], 'REJECT'], ['exact match', [[['C', 2, 8, 3]], [2, 8]], 'C'], ['narrowest', [[['A', 0, 8, 5], ['B', 2, 6, 1]], [0, 8]], 'B'], ['frozen', [[['F', -25, -18, 2], ['C', 0, 4, 9]], [-30, -15]], 'F'], ['zone too wide', [[['C', 0, 8, 3]], [2, 8]], 'REJECT'], ['tie most free', [[['A', 2, 8, 1], ['B', 2, 8, 4]], [0, 10]], 'B'], ['generated mix 8', [[['Z0', -25, -18, 5]], [0, 4]], 'REJECT']], [['full zone', [[['A', 2, 8, 0], ['B', 0, 8, 1]], [0, 8]], 'B'], ['generated mix 77', [[['Z0', 15, 25, 0], ['Z1', 10, 30, 1]], [15, 25]], 'REJECT'], ['tie most free', [[['A', 2, 8, 1], ['B', 2, 8, 4]], [0, 10]], 'B'], ['exact match', [[['C', 2, 8, 3]], [2, 8]], 'C'], ['narrowest', [[['A', 0, 8, 5], ['B', 2, 6, 1]], [0, 8]], 'B'], ['frozen', [[['F', -25, -18, 2], ['C', 0, 4, 9]], [-30, -15]], 'F'], ['generated mix 11', [[['Z0', 15, 25, 1], ['Z1', -25, -18, 5], ['Z2', 15, 25, 5]], [10, 30]], 'Z2'], ['generated mix 19', [[['Z0', -25, -18, 12]], [0, 8]], 'REJECT']], [['full zone', [[['A', 2, 8, 0], ['B', 0, 8, 1]], [0, 8]], 'B'], ['generated mix 72', [[['Z0', 0, 4, 0], ['Z1', 15, 25, 0]], [0, 8]], 'REJECT'], ['zone too wide', [[['C', 0, 8, 3]], [2, 8]], 'REJECT'], ['tie most free', [[['A', 2, 8, 1], ['B', 2, 8, 4]], [0, 10]], 'B'], ['exact match', [[['C', 2, 8, 3]], [2, 8]], 'C'], ['narrowest', [[['A', 0, 8, 5], ['B', 2, 6, 1]], [0, 8]], 'B'], ['generated mix 22', [[['Z0', -25, -18, 5], ['Z1', 2, 8, 0], ['Z2', 0, 4, 12], ['Z3', 0, 8, 12]], [-25, -15]], 'Z0'], ['generated mix 30', [[['Z0', 15, 25, 0], ['Z1', 0, 4, 5], ['Z2', -30, -15, 0]], [15, 25]], 'REJECT']], [['full zone', [[['A', 2, 8, 0], ['B', 0, 8, 1]], [0, 8]], 'B'], ['generated mix 30', [[['Z0', 15, 25, 0], ['Z1', 0, 4, 5], ['Z2', -30, -15, 0]], [15, 25]], 'REJECT'], ['frozen', [[['F', -25, -18, 2], ['C', 0, 4, 9]], [-30, -15]], 'F'], ['zone too wide', [[['C', 0, 8, 3]], [2, 8]], 'REJECT'], ['tie most free', [[['A', 2, 8, 1], ['B', 2, 8, 4]], [0, 10]], 'B'], ['exact match', [[['C', 2, 8, 3]], [2, 8]], 'C'], ['generated mix 34', [[['Z0', 0, 8, 0], ['Z1', 0, 4, 5], ['Z2', 2, 8, 5], ['Z3', 0, 4, 1], ['Z4', 0, 8, 1]], [-30, -18]], 'REJECT'], ['generated mix 42', [[['Z0', 2, 8, 1], ['Z1', -30, -15, 12]], [-5, 10]], 'Z0']], [['full zone', [[['A', 2, 8, 0], ['B', 0, 8, 1]], [0, 8]], 'B'], ['narrowest', [[['A', 0, 8, 5], ['B', 2, 6, 1]], [0, 8]], 'B'], ['frozen', [[['F', -25, -18, 2], ['C', 0, 4, 9]], [-30, -15]], 'F'], ['zone too wide', [[['C', 0, 8, 3]], [2, 8]], 'REJECT'], ['tie most free', [[['A', 2, 8, 1], ['B', 2, 8, 4]], [0, 10]], 'B'], ['generated mix 44', [[['Z0', 0, 8, 12], ['Z1', 0, 4, 12]], [-25, -15]], 'REJECT'], ['generated mix 52', [[['Z0', 10, 30, 0], ['Z1', 0, 4, 0]], [-25, -15]], 'REJECT'], ['generated mix 60', [[['Z0', 15, 25, 0], ['Z1', -25, -18, 12]], [2, 8]], 'REJECT']]]\nfor label, args, expected in fixtures[N-1]:\n    check(label, solve(*args), expected)\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":"Stipulated integer temperature ranges; no excursion or dwell time logic. 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":"w2-warehouse-slotting-temp-zone-free-positions","generated_at":"2026-09-29T14:52:11.677957+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Cold chain putaway must keep product within its storage temperature range.","root_cause":"The capacity guard only rejects negative free counts.","sha256":"0dcbebd2111f4e726750d827b0afff978d428e795c9a53d6ef176d25f4ed0bed","title":"Temperature putaway: full zone selected · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verified":true,"visibility":"public","verification":{"attempt":{"elapsed_ms":40.162,"exit_code":1,"observations":[{"actual":"A","check":"full zone","expected":"B","passed":false},{"actual":"Z1","check":"generated mix 10","expected":"REJECT","passed":false},{"actual":"C","check":"exact match","expected":"C","passed":true},{"actual":"B","check":"narrowest","expected":"B","passed":true},{"actual":"F","check":"frozen","expected":"F","passed":true},{"actual":"REJECT","check":"zone too wide","expected":"REJECT","passed":true},{"actual":"B","check":"tie most free","expected":"B","passed":true},{"actual":"REJECT","check":"generated mix 8","expected":"REJECT","passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"full zone\", \"actual\": \"A\", \"expected\": \"B\", \"passed\": false}, {\"check\": \"generated mix 10\", \"actual\": \"Z1\", \"expected\": \"REJECT\", \"passed\": false}, {\"check\": \"exact match\", \"actual\": \"C\", \"expected\": \"C\", \"passed\": true}, {\"check\": \"narrowest\", \"actual\": \"B\", \"expected\": \"B\", \"passed\": true}, {\"check\": \"frozen\", \"actual\": \"F\", \"expected\": \"F\", \"passed\": true}, {\"check\": \"zone too wide\", \"actual\": \"REJECT\", \"expected\": \"REJECT\", \"passed\": true}, {\"check\": \"tie most free\", \"actual\": \"B\", \"expected\": \"B\", \"passed\": true}, {\"check\": \"generated mix 8\", \"actual\": \"REJECT\", \"expected\": \"REJECT\", \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":40.943,"exit_code":1,"observations":[{"actual":"A","check":"full zone","expected":"B","passed":false},{"actual":"Z1","check":"generated mix 10","expected":"REJECT","passed":false},{"actual":"C","check":"exact match","expected":"C","passed":true},{"actual":"B","check":"narrowest","expected":"B","passed":true},{"actual":"F","check":"frozen","expected":"F","passed":true},{"actual":"REJECT","check":"zone too wide","expected":"REJECT","passed":true},{"actual":"B","check":"tie most free","expected":"B","passed":true},{"actual":"REJECT","check":"generated mix 8","expected":"REJECT","passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"full zone\", \"actual\": \"A\", \"expected\": \"B\", \"passed\": false}, {\"check\": \"generated mix 10\", \"actual\": \"Z1\", \"expected\": \"REJECT\", \"passed\": false}, {\"check\": \"exact match\", \"actual\": \"C\", \"expected\": \"C\", \"passed\": true}, {\"check\": \"narrowest\", \"actual\": \"B\", \"expected\": \"B\", \"passed\": true}, {\"check\": \"frozen\", \"actual\": \"F\", \"expected\": \"F\", \"passed\": true}, {\"check\": \"zone too wide\", \"actual\": \"REJECT\", \"expected\": \"REJECT\", \"passed\": true}, {\"check\": \"tie most free\", \"actual\": \"B\", \"expected\": \"B\", \"passed\": true}, {\"check\": \"generated mix 8\", \"actual\": \"REJECT\", \"expected\": \"REJECT\", \"passed\": true}], \"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."}}