{"abstract":"A SKU stored in two slots is reported as incompatible with itself.","category":"Warehouse slotting and bin packing","checks":8,"contract":"placements [[sku, hazard class, aisle, bay]]; rules [[class_a, class_b, min_bay_gap]] apply in either order within the same aisle. A rule class matches a hazard class equal to it or a division of it (\"4\" matches \"4.1\"). A pair violates when |bay difference| < min_gap. Different SKUs only. Return sorted unique [sku_low, sku_high] pairs.","evaluation_group":"w2-warehouse-slotting-hazmat-segregation","failed_approach":"Skipping pairs of the same class hides genuine same-class rules such as organic peroxide spacing.","family":"w2-warehouse-slotting-hazmat-segregation-self-pair-exclusion","id":"FA-95031","implementations":{"attempt":{"sha256":"a391b3f225ec4a895a8abac5ba12d34062b02b9f98bdd689f1a36c33ab7f09f0","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(placements, rules):\n    def matches(cls, rule):\n        return cls == rule or cls.startswith(rule + '.')\n    found = set()\n    n = len(placements)\n    for i in range(n):\n        for j in range(i + 1, n):\n            sa, ca, aa, ba = placements[i]\n            sb, cb, ab, bb = placements[j]\n            if ca == cb or aa != ab:\n                continue\n            gap = abs(ba - bb)\n            for ra, rb, min_gap in rules:\n                hit = (matches(ca, ra) and matches(cb, rb)) or (matches(ca, rb) and matches(cb, ra))\n                if hit and gap < min_gap:\n                    found.add(tuple(sorted([sa, sb])))\n    return [list(p) for p in sorted(found)]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[['same sku twice', [[['P', '5.2', 1, 3], ['P', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 52', [[['H0', '5.2', 1, 1], ['H1', '8', 1, 5], ['H2', '5.2', 1, 1], ['H3', '5.1', 1, 6], ['H0', '5.2', 1, 4]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['H0', 'H2']]], ['adjacent oxidizer', [[['F', '3', 1, 4], ['O', '5.1', 1, 5]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['F', 'O']]], ['division match', [[['W', '4.3', 2, 2], ['C', '8', 2, 2]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['C', 'W']]], ['same class rule', [[['P', '5.2', 1, 3], ['Q', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['P', 'Q']]], ['two pairs', [[['A', '3', 1, 1], ['Z', '5.1', 1, 2], ['B', '3', 1, 5], ['C', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['A', 'Z'], ['B', 'C']]], ['gap equal ok', [[['F', '3', 1, 4], ['O', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 6', [[['H0', '2.1', 1, 4], ['H1', '9', 1, 1]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []]], [['same sku twice', [[['P', '5.2', 1, 3], ['P', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['same class rule', [[['P', '5.2', 1, 3], ['Q', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['P', 'Q']]], ['other aisle', [[['F', '3', 1, 4], ['O', '5.1', 2, 4]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['two pairs', [[['A', '3', 1, 1], ['Z', '5.1', 1, 2], ['B', '3', 1, 5], ['C', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['A', 'Z'], ['B', 'C']]], ['gap equal ok', [[['F', '3', 1, 4], ['O', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 9', [[['H0', '9', 1, 6], ['H1', '5.1', 1, 6], ['H2', '4.1', 1, 6], ['H3', '4.1', 1, 2], ['H4', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 17', [[['H0', '8', 1, 5], ['H1', '9', 2, 6], ['H2', '4.3', 1, 3], ['H3', '4.1', 1, 1], ['H4', '9', 1, 5]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 25', [[['H0', '4.3', 1, 6], ['H1', '8', 2, 5], ['H2', '4.1', 1, 6], ['H3', '5.1', 2, 2], ['H0', '4.3', 1, 2]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []]], [['same sku twice', [[['P', '5.2', 1, 3], ['P', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 52', [[['H0', '5.2', 1, 1], ['H1', '8', 1, 5], ['H2', '5.2', 1, 1], ['H3', '5.1', 1, 6], ['H0', '5.2', 1, 4]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['H0', 'H2']]], ['two pairs', [[['A', '3', 1, 1], ['Z', '5.1', 1, 2], ['B', '3', 1, 5], ['C', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['A', 'Z'], ['B', 'C']]], ['gap equal ok', [[['F', '3', 1, 4], ['O', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['other aisle', [[['F', '3', 1, 4], ['O', '5.1', 2, 4]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['reverse order', [[['O', '5.1', 1, 1], ['G', '2.1', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['G', 'O']]], ['generated mix 20', [[['H0', '8', 1, 5], ['H1', '5.2', 2, 2]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 28', [[['H0', '4.3', 2, 3], ['H1', '5.1', 1, 2]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []]], [['same sku twice', [[['P', '5.2', 1, 3], ['P', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['same class rule', [[['P', '5.2', 1, 3], ['Q', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['P', 'Q']]], ['other aisle', [[['F', '3', 1, 4], ['O', '5.1', 2, 4]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['two pairs', [[['A', '3', 1, 1], ['Z', '5.1', 1, 2], ['B', '3', 1, 5], ['C', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['A', 'Z'], ['B', 'C']]], ['gap equal ok', [[['F', '3', 1, 4], ['O', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 31', [[['H0', '3', 1, 6], ['H1', '4.1', 2, 4], ['H2', '2.1', 2, 5]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 39', [[['H0', '8', 1, 2], ['H1', '8', 2, 5], ['H2', '3', 1, 1], ['H3', '4.3', 2, 3], ['H0', '8', 1, 2]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 47', [[['H0', '5.2', 2, 2], ['H1', '3', 1, 2], ['H2', '4.1', 1, 3], ['H3', '5.2', 1, 5], ['H0', '5.2', 2, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []]], [['same sku twice', [[['P', '5.2', 1, 3], ['P', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 52', [[['H0', '5.2', 1, 1], ['H1', '8', 1, 5], ['H2', '5.2', 1, 1], ['H3', '5.1', 1, 6], ['H0', '5.2', 1, 4]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['H0', 'H2']]], ['reverse order', [[['O', '5.1', 1, 1], ['G', '2.1', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['G', 'O']]], ['adjacent oxidizer', [[['F', '3', 1, 4], ['O', '5.1', 1, 5]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['F', 'O']]], ['division match', [[['W', '4.3', 2, 2], ['C', '8', 2, 2]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['C', 'W']]], ['same class rule', [[['P', '5.2', 1, 3], ['Q', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['P', 'Q']]], ['generated mix 42', [[['H0', '8', 2, 1], ['H1', '3', 2, 6], ['H2', '3', 1, 5], ['H3', '5.2', 2, 5]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 50', [[['H0', '8', 1, 2], ['H1', '2.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []]]]\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":"b9e721180aa6b351f6066f4315b1e319e3a2b4f1260a3c4f86e8f1dcf753a57e","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(placements, rules):\n    def matches(cls, rule):\n        return cls == rule or cls.startswith(rule + '.')\n    found = set()\n    n = len(placements)\n    for i in range(n):\n        for j in range(i + 1, n):\n            sa, ca, aa, ba = placements[i]\n            sb, cb, ab, bb = placements[j]\n            if aa != ab:\n                continue\n            gap = abs(ba - bb)\n            for ra, rb, min_gap in rules:\n                hit = (matches(ca, ra) and matches(cb, rb)) or (matches(ca, rb) and matches(cb, ra))\n                if hit and gap < min_gap:\n                    found.add(tuple(sorted([sa, sb])))\n    return [list(p) for p in sorted(found)]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[['same sku twice', [[['P', '5.2', 1, 3], ['P', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 52', [[['H0', '5.2', 1, 1], ['H1', '8', 1, 5], ['H2', '5.2', 1, 1], ['H3', '5.1', 1, 6], ['H0', '5.2', 1, 4]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['H0', 'H2']]], ['adjacent oxidizer', [[['F', '3', 1, 4], ['O', '5.1', 1, 5]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['F', 'O']]], ['division match', [[['W', '4.3', 2, 2], ['C', '8', 2, 2]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['C', 'W']]], ['same class rule', [[['P', '5.2', 1, 3], ['Q', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['P', 'Q']]], ['two pairs', [[['A', '3', 1, 1], ['Z', '5.1', 1, 2], ['B', '3', 1, 5], ['C', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['A', 'Z'], ['B', 'C']]], ['gap equal ok', [[['F', '3', 1, 4], ['O', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 6', [[['H0', '2.1', 1, 4], ['H1', '9', 1, 1]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []]], [['same sku twice', [[['P', '5.2', 1, 3], ['P', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['same class rule', [[['P', '5.2', 1, 3], ['Q', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['P', 'Q']]], ['other aisle', [[['F', '3', 1, 4], ['O', '5.1', 2, 4]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['two pairs', [[['A', '3', 1, 1], ['Z', '5.1', 1, 2], ['B', '3', 1, 5], ['C', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['A', 'Z'], ['B', 'C']]], ['gap equal ok', [[['F', '3', 1, 4], ['O', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 9', [[['H0', '9', 1, 6], ['H1', '5.1', 1, 6], ['H2', '4.1', 1, 6], ['H3', '4.1', 1, 2], ['H4', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 17', [[['H0', '8', 1, 5], ['H1', '9', 2, 6], ['H2', '4.3', 1, 3], ['H3', '4.1', 1, 1], ['H4', '9', 1, 5]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 25', [[['H0', '4.3', 1, 6], ['H1', '8', 2, 5], ['H2', '4.1', 1, 6], ['H3', '5.1', 2, 2], ['H0', '4.3', 1, 2]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []]], [['same sku twice', [[['P', '5.2', 1, 3], ['P', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 52', [[['H0', '5.2', 1, 1], ['H1', '8', 1, 5], ['H2', '5.2', 1, 1], ['H3', '5.1', 1, 6], ['H0', '5.2', 1, 4]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['H0', 'H2']]], ['two pairs', [[['A', '3', 1, 1], ['Z', '5.1', 1, 2], ['B', '3', 1, 5], ['C', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['A', 'Z'], ['B', 'C']]], ['gap equal ok', [[['F', '3', 1, 4], ['O', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['other aisle', [[['F', '3', 1, 4], ['O', '5.1', 2, 4]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['reverse order', [[['O', '5.1', 1, 1], ['G', '2.1', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['G', 'O']]], ['generated mix 20', [[['H0', '8', 1, 5], ['H1', '5.2', 2, 2]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 28', [[['H0', '4.3', 2, 3], ['H1', '5.1', 1, 2]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []]], [['same sku twice', [[['P', '5.2', 1, 3], ['P', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['same class rule', [[['P', '5.2', 1, 3], ['Q', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['P', 'Q']]], ['other aisle', [[['F', '3', 1, 4], ['O', '5.1', 2, 4]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['two pairs', [[['A', '3', 1, 1], ['Z', '5.1', 1, 2], ['B', '3', 1, 5], ['C', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['A', 'Z'], ['B', 'C']]], ['gap equal ok', [[['F', '3', 1, 4], ['O', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 31', [[['H0', '3', 1, 6], ['H1', '4.1', 2, 4], ['H2', '2.1', 2, 5]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 39', [[['H0', '8', 1, 2], ['H1', '8', 2, 5], ['H2', '3', 1, 1], ['H3', '4.3', 2, 3], ['H0', '8', 1, 2]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 47', [[['H0', '5.2', 2, 2], ['H1', '3', 1, 2], ['H2', '4.1', 1, 3], ['H3', '5.2', 1, 5], ['H0', '5.2', 2, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []]], [['same sku twice', [[['P', '5.2', 1, 3], ['P', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 52', [[['H0', '5.2', 1, 1], ['H1', '8', 1, 5], ['H2', '5.2', 1, 1], ['H3', '5.1', 1, 6], ['H0', '5.2', 1, 4]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['H0', 'H2']]], ['reverse order', [[['O', '5.1', 1, 1], ['G', '2.1', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['G', 'O']]], ['adjacent oxidizer', [[['F', '3', 1, 4], ['O', '5.1', 1, 5]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['F', 'O']]], ['division match', [[['W', '4.3', 2, 2], ['C', '8', 2, 2]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['C', 'W']]], ['same class rule', [[['P', '5.2', 1, 3], ['Q', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['P', 'Q']]], ['generated mix 42', [[['H0', '8', 2, 1], ['H1', '3', 2, 6], ['H2', '3', 1, 5], ['H3', '5.2', 2, 5]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 50', [[['H0', '8', 1, 2], ['H1', '2.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []]]]\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"},"fixed":{"sha256":"22a3cc601d9567a7b80319ca971abb075a71cc9416ac7af21f6c6f31acdda9e9","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(placements, rules):\n    def matches(cls, rule):\n        return cls == rule or cls.startswith(rule + '.')\n    found = set()\n    n = len(placements)\n    for i in range(n):\n        for j in range(i + 1, n):\n            sa, ca, aa, ba = placements[i]\n            sb, cb, ab, bb = placements[j]\n            if sa == sb or aa != ab:\n                continue\n            gap = abs(ba - bb)\n            for ra, rb, min_gap in rules:\n                hit = (matches(ca, ra) and matches(cb, rb)) or (matches(ca, rb) and matches(cb, ra))\n                if hit and gap < min_gap:\n                    found.add(tuple(sorted([sa, sb])))\n    return [list(p) for p in sorted(found)]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[['same sku twice', [[['P', '5.2', 1, 3], ['P', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 52', [[['H0', '5.2', 1, 1], ['H1', '8', 1, 5], ['H2', '5.2', 1, 1], ['H3', '5.1', 1, 6], ['H0', '5.2', 1, 4]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['H0', 'H2']]], ['adjacent oxidizer', [[['F', '3', 1, 4], ['O', '5.1', 1, 5]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['F', 'O']]], ['division match', [[['W', '4.3', 2, 2], ['C', '8', 2, 2]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['C', 'W']]], ['same class rule', [[['P', '5.2', 1, 3], ['Q', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['P', 'Q']]], ['two pairs', [[['A', '3', 1, 1], ['Z', '5.1', 1, 2], ['B', '3', 1, 5], ['C', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['A', 'Z'], ['B', 'C']]], ['gap equal ok', [[['F', '3', 1, 4], ['O', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 6', [[['H0', '2.1', 1, 4], ['H1', '9', 1, 1]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []]], [['same sku twice', [[['P', '5.2', 1, 3], ['P', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['same class rule', [[['P', '5.2', 1, 3], ['Q', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['P', 'Q']]], ['other aisle', [[['F', '3', 1, 4], ['O', '5.1', 2, 4]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['two pairs', [[['A', '3', 1, 1], ['Z', '5.1', 1, 2], ['B', '3', 1, 5], ['C', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['A', 'Z'], ['B', 'C']]], ['gap equal ok', [[['F', '3', 1, 4], ['O', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 9', [[['H0', '9', 1, 6], ['H1', '5.1', 1, 6], ['H2', '4.1', 1, 6], ['H3', '4.1', 1, 2], ['H4', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 17', [[['H0', '8', 1, 5], ['H1', '9', 2, 6], ['H2', '4.3', 1, 3], ['H3', '4.1', 1, 1], ['H4', '9', 1, 5]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 25', [[['H0', '4.3', 1, 6], ['H1', '8', 2, 5], ['H2', '4.1', 1, 6], ['H3', '5.1', 2, 2], ['H0', '4.3', 1, 2]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []]], [['same sku twice', [[['P', '5.2', 1, 3], ['P', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 52', [[['H0', '5.2', 1, 1], ['H1', '8', 1, 5], ['H2', '5.2', 1, 1], ['H3', '5.1', 1, 6], ['H0', '5.2', 1, 4]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['H0', 'H2']]], ['two pairs', [[['A', '3', 1, 1], ['Z', '5.1', 1, 2], ['B', '3', 1, 5], ['C', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['A', 'Z'], ['B', 'C']]], ['gap equal ok', [[['F', '3', 1, 4], ['O', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['other aisle', [[['F', '3', 1, 4], ['O', '5.1', 2, 4]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['reverse order', [[['O', '5.1', 1, 1], ['G', '2.1', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['G', 'O']]], ['generated mix 20', [[['H0', '8', 1, 5], ['H1', '5.2', 2, 2]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 28', [[['H0', '4.3', 2, 3], ['H1', '5.1', 1, 2]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []]], [['same sku twice', [[['P', '5.2', 1, 3], ['P', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['same class rule', [[['P', '5.2', 1, 3], ['Q', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['P', 'Q']]], ['other aisle', [[['F', '3', 1, 4], ['O', '5.1', 2, 4]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['two pairs', [[['A', '3', 1, 1], ['Z', '5.1', 1, 2], ['B', '3', 1, 5], ['C', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['A', 'Z'], ['B', 'C']]], ['gap equal ok', [[['F', '3', 1, 4], ['O', '5.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 31', [[['H0', '3', 1, 6], ['H1', '4.1', 2, 4], ['H2', '2.1', 2, 5]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 39', [[['H0', '8', 1, 2], ['H1', '8', 2, 5], ['H2', '3', 1, 1], ['H3', '4.3', 2, 3], ['H0', '8', 1, 2]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 47', [[['H0', '5.2', 2, 2], ['H1', '3', 1, 2], ['H2', '4.1', 1, 3], ['H3', '5.2', 1, 5], ['H0', '5.2', 2, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []]], [['same sku twice', [[['P', '5.2', 1, 3], ['P', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 52', [[['H0', '5.2', 1, 1], ['H1', '8', 1, 5], ['H2', '5.2', 1, 1], ['H3', '5.1', 1, 6], ['H0', '5.2', 1, 4]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['H0', 'H2']]], ['reverse order', [[['O', '5.1', 1, 1], ['G', '2.1', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['G', 'O']]], ['adjacent oxidizer', [[['F', '3', 1, 4], ['O', '5.1', 1, 5]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['F', 'O']]], ['division match', [[['W', '4.3', 2, 2], ['C', '8', 2, 2]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['C', 'W']]], ['same class rule', [[['P', '5.2', 1, 3], ['Q', '5.2', 1, 3]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], [['P', 'Q']]], ['generated mix 42', [[['H0', '8', 2, 1], ['H1', '3', 2, 6], ['H2', '3', 1, 5], ['H3', '5.2', 2, 5]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []], ['generated mix 50', [[['H0', '8', 1, 2], ['H1', '2.1', 1, 6]], [['3', '5.1', 2], ['4', '8', 1], ['5.2', '5.2', 1], ['2.1', '5', 3]]], []]]]\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 bay-gap rule table; not a regulatory segregation chart. 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-hazmat-segregation-self-pair-exclusion","generated_at":"2026-09-29T14:52:09.925955+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Dangerous goods storage requires separation between incompatible hazard classes.","repair":"Skip pairs whose SKU codes are identical.","root_cause":"The pair loop does not skip two placements of the same SKU.","sha256":"f744af60684c0e817f53d36e30db20d1b14136ac0450b9bee50ce2a5d127efaa","title":"Hazmat audit: SKU flagged against itself · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verification":{"attempt":{"elapsed_ms":40.946,"exit_code":1,"observations":[{"actual":[],"check":"same sku twice","expected":[],"passed":true},{"actual":[],"check":"generated mix 52","expected":[["H0","H2"]],"passed":false},{"actual":[["F","O"]],"check":"adjacent oxidizer","expected":[["F","O"]],"passed":true},{"actual":[["C","W"]],"check":"division match","expected":[["C","W"]],"passed":true},{"actual":[],"check":"same class rule","expected":[["P","Q"]],"passed":false},{"actual":[["A","Z"],["B","C"]],"check":"two pairs","expected":[["A","Z"],["B","C"]],"passed":true},{"actual":[],"check":"gap equal ok","expected":[],"passed":true},{"actual":[],"check":"generated mix 6","expected":[],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"same sku twice\", \"actual\": [], \"expected\": [], \"passed\": true}, {\"check\": \"generated mix 52\", \"actual\": [], \"expected\": [[\"H0\", \"H2\"]], \"passed\": false}, {\"check\": \"adjacent oxidizer\", \"actual\": [[\"F\", \"O\"]], \"expected\": [[\"F\", \"O\"]], \"passed\": true}, {\"check\": \"division match\", \"actual\": [[\"C\", \"W\"]], \"expected\": [[\"C\", \"W\"]], \"passed\": true}, {\"check\": \"same class rule\", \"actual\": [], \"expected\": [[\"P\", \"Q\"]], \"passed\": false}, {\"check\": \"two pairs\", \"actual\": [[\"A\", \"Z\"], [\"B\", \"C\"]], \"expected\": [[\"A\", \"Z\"], [\"B\", \"C\"]], \"passed\": true}, {\"check\": \"gap equal ok\", \"actual\": [], \"expected\": [], \"passed\": true}, {\"check\": \"generated mix 6\", \"actual\": [], \"expected\": [], \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":43.507,"exit_code":1,"observations":[{"actual":[["P","P"]],"check":"same sku twice","expected":[],"passed":false},{"actual":[["H0","H2"]],"check":"generated mix 52","expected":[["H0","H2"]],"passed":true},{"actual":[["F","O"]],"check":"adjacent oxidizer","expected":[["F","O"]],"passed":true},{"actual":[["C","W"]],"check":"division match","expected":[["C","W"]],"passed":true},{"actual":[["P","Q"]],"check":"same class rule","expected":[["P","Q"]],"passed":true},{"actual":[["A","Z"],["B","C"]],"check":"two pairs","expected":[["A","Z"],["B","C"]],"passed":true},{"actual":[],"check":"gap equal ok","expected":[],"passed":true},{"actual":[],"check":"generated mix 6","expected":[],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"same sku twice\", \"actual\": [[\"P\", \"P\"]], \"expected\": [], \"passed\": false}, {\"check\": \"generated mix 52\", \"actual\": [[\"H0\", \"H2\"]], \"expected\": [[\"H0\", \"H2\"]], \"passed\": true}, {\"check\": \"adjacent oxidizer\", \"actual\": [[\"F\", \"O\"]], \"expected\": [[\"F\", \"O\"]], \"passed\": true}, {\"check\": \"division match\", \"actual\": [[\"C\", \"W\"]], \"expected\": [[\"C\", \"W\"]], \"passed\": true}, {\"check\": \"same class rule\", \"actual\": [[\"P\", \"Q\"]], \"expected\": [[\"P\", \"Q\"]], \"passed\": true}, {\"check\": \"two pairs\", \"actual\": [[\"A\", \"Z\"], [\"B\", \"C\"]], \"expected\": [[\"A\", \"Z\"], [\"B\", \"C\"]], \"passed\": true}, {\"check\": \"gap equal ok\", \"actual\": [], \"expected\": [], \"passed\": true}, {\"check\": \"generated mix 6\", \"actual\": [], \"expected\": [], \"passed\": true}], \"passed\": false}\n"},"fixed":{"elapsed_ms":43.231,"exit_code":0,"observations":[{"actual":[],"check":"same sku twice","expected":[],"passed":true},{"actual":[["H0","H2"]],"check":"generated mix 52","expected":[["H0","H2"]],"passed":true},{"actual":[["F","O"]],"check":"adjacent oxidizer","expected":[["F","O"]],"passed":true},{"actual":[["C","W"]],"check":"division match","expected":[["C","W"]],"passed":true},{"actual":[["P","Q"]],"check":"same class rule","expected":[["P","Q"]],"passed":true},{"actual":[["A","Z"],["B","C"]],"check":"two pairs","expected":[["A","Z"],["B","C"]],"passed":true},{"actual":[],"check":"gap equal ok","expected":[],"passed":true},{"actual":[],"check":"generated mix 6","expected":[],"passed":true}],"passed":true,"stderr":"","stdout":"{\"observations\": [{\"check\": \"same sku twice\", \"actual\": [], \"expected\": [], \"passed\": true}, {\"check\": \"generated mix 52\", \"actual\": [[\"H0\", \"H2\"]], \"expected\": [[\"H0\", \"H2\"]], \"passed\": true}, {\"check\": \"adjacent oxidizer\", \"actual\": [[\"F\", \"O\"]], \"expected\": [[\"F\", \"O\"]], \"passed\": true}, {\"check\": \"division match\", \"actual\": [[\"C\", \"W\"]], \"expected\": [[\"C\", \"W\"]], \"passed\": true}, {\"check\": \"same class rule\", \"actual\": [[\"P\", \"Q\"]], \"expected\": [[\"P\", \"Q\"]], \"passed\": true}, {\"check\": \"two pairs\", \"actual\": [[\"A\", \"Z\"], [\"B\", \"C\"]], \"expected\": [[\"A\", \"Z\"], [\"B\", \"C\"]], \"passed\": true}, {\"check\": \"gap equal ok\", \"actual\": [], \"expected\": [], \"passed\": true}, {\"check\": \"generated mix 6\", \"actual\": [], \"expected\": [], \"passed\": true}], \"passed\": true}\n"}},"verified":true,"visibility":"public"}