{"abstract":"Parcels of exactly 50 lb are charged the weight handling fee.","category":"Shipping rate zone lookup","checks":8,"contract":"dims inches (any order), weight lb. length = longest side, girth = 2*(other two). UNSHIPPABLE if length > 108, length+girth > 165 or weight > 150. Otherwise OVERSIZE if length+girth > 130; else AHS_DIM if length > 48 or second-longest > 30. AHS_WEIGHT if weight > 50 (independent). Return list of codes.","evaluation_group":"w2-shipping-zone-size-classes","failed_approach":"Truncating the weight misses parcels between 50 and 51 lb.","family":"w2-shipping-zone-size-classes-heavy-threshold","id":"FA-95476","implementations":{"attempt":{"sha256":"49e8041d125b628797dceec3e4867e875355599b254d10f4a2af55c47309ea1d","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(dims, weight):\n    L, s2, s3 = sorted(dims, reverse=True)\n    size = L + 2 * (s2 + s3)\n    if L > 108 or size > 165 or weight > 150:\n        return ['UNSHIPPABLE']\n    codes = []\n    if size > 130:\n        codes.append('OVERSIZE')\n    elif L > 48 or s2 > 30:\n        codes.append('AHS_DIM')\n    if int(weight) > 50:\n        codes.append('AHS_WEIGHT')\n    return codes\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[['generated mix 1', [[10, 40, 40], 50], ['OVERSIZE']], ['generated mix 21', [[49, 48, 10], 50.5], ['OVERSIZE', 'AHS_WEIGHT']], ['oversize', [[10, 60, 30], 10], ['OVERSIZE']], ['length edge', [[48, 20, 10], 5], []], ['oversize and heavy', [[60, 20, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['girth limit', [[110, 10, 10], 5], ['UNSHIPPABLE']], ['second side', [[40, 31, 10], 5], ['AHS_DIM']], ['generated mix 6', [[110, 108, 110], 70], ['UNSHIPPABLE']]], [['generated mix 1', [[10, 40, 40], 50], ['OVERSIZE']], ['weight flags both', [[49, 10, 10], 50.5], ['AHS_DIM', 'AHS_WEIGHT']], ['oversize and heavy', [[60, 20, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['girth limit', [[110, 10, 10], 5], ['UNSHIPPABLE']], ['oversize', [[10, 60, 30], 10], ['OVERSIZE']], ['length edge', [[48, 20, 10], 5], []], ['generated mix 10', [[20, 110, 110], 151], ['UNSHIPPABLE']], ['generated mix 18', [[60, 100, 108], 50], ['UNSHIPPABLE']]], [['generated mix 1', [[10, 40, 40], 50], ['OVERSIZE']], ['generated mix 21', [[49, 48, 10], 50.5], ['OVERSIZE', 'AHS_WEIGHT']], ['girth limit', [[110, 10, 10], 5], ['UNSHIPPABLE']], ['oversize', [[10, 60, 30], 10], ['OVERSIZE']], ['length edge', [[48, 20, 10], 5], []], ['oversize and heavy', [[60, 20, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['generated mix 20', [[100, 60, 60], 50.5], ['UNSHIPPABLE']], ['generated mix 29', [[60, 20, 40], 50], ['UNSHIPPABLE']]], [['generated mix 1', [[10, 40, 40], 50], ['OVERSIZE']], ['weight flags both', [[49, 10, 10], 50.5], ['AHS_DIM', 'AHS_WEIGHT']], ['length edge', [[48, 20, 10], 5], []], ['too heavy', [[10, 10, 10], 151], ['UNSHIPPABLE']], ['exact 130', [[50, 20, 20], 5], ['AHS_DIM']], ['second side', [[40, 31, 10], 5], ['AHS_DIM']], ['generated mix 32', [[108, 80, 31], 151], ['UNSHIPPABLE']], ['generated mix 40', [[48, 110, 30], 50.5], ['UNSHIPPABLE']]], [['generated mix 1', [[10, 40, 40], 50], ['OVERSIZE']], ['generated mix 21', [[49, 48, 10], 50.5], ['OVERSIZE', 'AHS_WEIGHT']], ['oversize and heavy', [[60, 20, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['girth limit', [[110, 10, 10], 5], ['UNSHIPPABLE']], ['oversize', [[10, 60, 30], 10], ['OVERSIZE']], ['length edge', [[48, 20, 10], 5], []], ['generated mix 43', [[31, 20, 80], 5], ['UNSHIPPABLE']], ['generated mix 51', [[100, 49, 48], 50.5], ['UNSHIPPABLE']]]]\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":"84e35c712a24866f9365d47365282ee4d83e9ff162aa447dcfc325a2c998b919","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(dims, weight):\n    L, s2, s3 = sorted(dims, reverse=True)\n    size = L + 2 * (s2 + s3)\n    if L > 108 or size > 165 or weight > 150:\n        return ['UNSHIPPABLE']\n    codes = []\n    if size > 130:\n        codes.append('OVERSIZE')\n    elif L > 48 or s2 > 30:\n        codes.append('AHS_DIM')\n    if weight >= 50:\n        codes.append('AHS_WEIGHT')\n    return codes\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[['generated mix 1', [[10, 40, 40], 50], ['OVERSIZE']], ['generated mix 21', [[49, 48, 10], 50.5], ['OVERSIZE', 'AHS_WEIGHT']], ['oversize', [[10, 60, 30], 10], ['OVERSIZE']], ['length edge', [[48, 20, 10], 5], []], ['oversize and heavy', [[60, 20, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['girth limit', [[110, 10, 10], 5], ['UNSHIPPABLE']], ['second side', [[40, 31, 10], 5], ['AHS_DIM']], ['generated mix 6', [[110, 108, 110], 70], ['UNSHIPPABLE']]], [['generated mix 1', [[10, 40, 40], 50], ['OVERSIZE']], ['weight flags both', [[49, 10, 10], 50.5], ['AHS_DIM', 'AHS_WEIGHT']], ['oversize and heavy', [[60, 20, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['girth limit', [[110, 10, 10], 5], ['UNSHIPPABLE']], ['oversize', [[10, 60, 30], 10], ['OVERSIZE']], ['length edge', [[48, 20, 10], 5], []], ['generated mix 10', [[20, 110, 110], 151], ['UNSHIPPABLE']], ['generated mix 18', [[60, 100, 108], 50], ['UNSHIPPABLE']]], [['generated mix 1', [[10, 40, 40], 50], ['OVERSIZE']], ['generated mix 21', [[49, 48, 10], 50.5], ['OVERSIZE', 'AHS_WEIGHT']], ['girth limit', [[110, 10, 10], 5], ['UNSHIPPABLE']], ['oversize', [[10, 60, 30], 10], ['OVERSIZE']], ['length edge', [[48, 20, 10], 5], []], ['oversize and heavy', [[60, 20, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['generated mix 20', [[100, 60, 60], 50.5], ['UNSHIPPABLE']], ['generated mix 29', [[60, 20, 40], 50], ['UNSHIPPABLE']]], [['generated mix 1', [[10, 40, 40], 50], ['OVERSIZE']], ['weight flags both', [[49, 10, 10], 50.5], ['AHS_DIM', 'AHS_WEIGHT']], ['length edge', [[48, 20, 10], 5], []], ['too heavy', [[10, 10, 10], 151], ['UNSHIPPABLE']], ['exact 130', [[50, 20, 20], 5], ['AHS_DIM']], ['second side', [[40, 31, 10], 5], ['AHS_DIM']], ['generated mix 32', [[108, 80, 31], 151], ['UNSHIPPABLE']], ['generated mix 40', [[48, 110, 30], 50.5], ['UNSHIPPABLE']]], [['generated mix 1', [[10, 40, 40], 50], ['OVERSIZE']], ['generated mix 21', [[49, 48, 10], 50.5], ['OVERSIZE', 'AHS_WEIGHT']], ['oversize and heavy', [[60, 20, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['girth limit', [[110, 10, 10], 5], ['UNSHIPPABLE']], ['oversize', [[10, 60, 30], 10], ['OVERSIZE']], ['length edge', [[48, 20, 10], 5], []], ['generated mix 43', [[31, 20, 80], 5], ['UNSHIPPABLE']], ['generated mix 51', [[100, 49, 48], 50.5], ['UNSHIPPABLE']]]]\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":"c0ed4c04a031fab86122370d9bea803519dd7734823912f22edcbe8c9460fd89","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(dims, weight):\n    L, s2, s3 = sorted(dims, reverse=True)\n    size = L + 2 * (s2 + s3)\n    if L > 108 or size > 165 or weight > 150:\n        return ['UNSHIPPABLE']\n    codes = []\n    if size > 130:\n        codes.append('OVERSIZE')\n    elif L > 48 or s2 > 30:\n        codes.append('AHS_DIM')\n    if weight > 50:\n        codes.append('AHS_WEIGHT')\n    return codes\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[['generated mix 1', [[10, 40, 40], 50], ['OVERSIZE']], ['generated mix 21', [[49, 48, 10], 50.5], ['OVERSIZE', 'AHS_WEIGHT']], ['oversize', [[10, 60, 30], 10], ['OVERSIZE']], ['length edge', [[48, 20, 10], 5], []], ['oversize and heavy', [[60, 20, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['girth limit', [[110, 10, 10], 5], ['UNSHIPPABLE']], ['second side', [[40, 31, 10], 5], ['AHS_DIM']], ['generated mix 6', [[110, 108, 110], 70], ['UNSHIPPABLE']]], [['generated mix 1', [[10, 40, 40], 50], ['OVERSIZE']], ['weight flags both', [[49, 10, 10], 50.5], ['AHS_DIM', 'AHS_WEIGHT']], ['oversize and heavy', [[60, 20, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['girth limit', [[110, 10, 10], 5], ['UNSHIPPABLE']], ['oversize', [[10, 60, 30], 10], ['OVERSIZE']], ['length edge', [[48, 20, 10], 5], []], ['generated mix 10', [[20, 110, 110], 151], ['UNSHIPPABLE']], ['generated mix 18', [[60, 100, 108], 50], ['UNSHIPPABLE']]], [['generated mix 1', [[10, 40, 40], 50], ['OVERSIZE']], ['generated mix 21', [[49, 48, 10], 50.5], ['OVERSIZE', 'AHS_WEIGHT']], ['girth limit', [[110, 10, 10], 5], ['UNSHIPPABLE']], ['oversize', [[10, 60, 30], 10], ['OVERSIZE']], ['length edge', [[48, 20, 10], 5], []], ['oversize and heavy', [[60, 20, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['generated mix 20', [[100, 60, 60], 50.5], ['UNSHIPPABLE']], ['generated mix 29', [[60, 20, 40], 50], ['UNSHIPPABLE']]], [['generated mix 1', [[10, 40, 40], 50], ['OVERSIZE']], ['weight flags both', [[49, 10, 10], 50.5], ['AHS_DIM', 'AHS_WEIGHT']], ['length edge', [[48, 20, 10], 5], []], ['too heavy', [[10, 10, 10], 151], ['UNSHIPPABLE']], ['exact 130', [[50, 20, 20], 5], ['AHS_DIM']], ['second side', [[40, 31, 10], 5], ['AHS_DIM']], ['generated mix 32', [[108, 80, 31], 151], ['UNSHIPPABLE']], ['generated mix 40', [[48, 110, 30], 50.5], ['UNSHIPPABLE']]], [['generated mix 1', [[10, 40, 40], 50], ['OVERSIZE']], ['generated mix 21', [[49, 48, 10], 50.5], ['OVERSIZE', 'AHS_WEIGHT']], ['oversize and heavy', [[60, 20, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['girth limit', [[110, 10, 10], 5], ['UNSHIPPABLE']], ['oversize', [[10, 60, 30], 10], ['OVERSIZE']], ['length edge', [[48, 20, 10], 5], []], ['generated mix 43', [[31, 20, 80], 5], ['UNSHIPPABLE']], ['generated mix 51', [[100, 49, 48], 50.5], ['UNSHIPPABLE']]]]\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 thresholds; not a carrier service guide. 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-shipping-zone-size-classes-heavy-threshold","generated_at":"2026-09-29T14:52:13.980168+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Size and weight classes decide handling fees and service eligibility.","repair":"Apply AHS_WEIGHT only above 50 lb.","root_cause":"The weight handling threshold is inclusive.","sha256":"79204ba5f6e8c1a1de207a5c9d5c97ac7b777fad2dcd04f0444b5a0d812e3ed9","title":"Size classes: 50 lb exactly treated as heavy · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verification":{"attempt":{"elapsed_ms":40.044,"exit_code":1,"observations":[{"actual":["OVERSIZE"],"check":"generated mix 1","expected":["OVERSIZE"],"passed":true},{"actual":["OVERSIZE"],"check":"generated mix 21","expected":["OVERSIZE","AHS_WEIGHT"],"passed":false},{"actual":["OVERSIZE"],"check":"oversize","expected":["OVERSIZE"],"passed":true},{"actual":[],"check":"length edge","expected":[],"passed":true},{"actual":["OVERSIZE","AHS_WEIGHT"],"check":"oversize and heavy","expected":["OVERSIZE","AHS_WEIGHT"],"passed":true},{"actual":["UNSHIPPABLE"],"check":"girth limit","expected":["UNSHIPPABLE"],"passed":true},{"actual":["AHS_DIM"],"check":"second side","expected":["AHS_DIM"],"passed":true},{"actual":["UNSHIPPABLE"],"check":"generated mix 6","expected":["UNSHIPPABLE"],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"generated mix 1\", \"actual\": [\"OVERSIZE\"], \"expected\": [\"OVERSIZE\"], \"passed\": true}, {\"check\": \"generated mix 21\", \"actual\": [\"OVERSIZE\"], \"expected\": [\"OVERSIZE\", \"AHS_WEIGHT\"], \"passed\": false}, {\"check\": \"oversize\", \"actual\": [\"OVERSIZE\"], \"expected\": [\"OVERSIZE\"], \"passed\": true}, {\"check\": \"length edge\", \"actual\": [], \"expected\": [], \"passed\": true}, {\"check\": \"oversize and heavy\", \"actual\": [\"OVERSIZE\", \"AHS_WEIGHT\"], \"expected\": [\"OVERSIZE\", \"AHS_WEIGHT\"], \"passed\": true}, {\"check\": \"girth limit\", \"actual\": [\"UNSHIPPABLE\"], \"expected\": [\"UNSHIPPABLE\"], \"passed\": true}, {\"check\": \"second side\", \"actual\": [\"AHS_DIM\"], \"expected\": [\"AHS_DIM\"], \"passed\": true}, {\"check\": \"generated mix 6\", \"actual\": [\"UNSHIPPABLE\"], \"expected\": [\"UNSHIPPABLE\"], \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":39.636,"exit_code":1,"observations":[{"actual":["OVERSIZE","AHS_WEIGHT"],"check":"generated mix 1","expected":["OVERSIZE"],"passed":false},{"actual":["OVERSIZE","AHS_WEIGHT"],"check":"generated mix 21","expected":["OVERSIZE","AHS_WEIGHT"],"passed":true},{"actual":["OVERSIZE"],"check":"oversize","expected":["OVERSIZE"],"passed":true},{"actual":[],"check":"length edge","expected":[],"passed":true},{"actual":["OVERSIZE","AHS_WEIGHT"],"check":"oversize and heavy","expected":["OVERSIZE","AHS_WEIGHT"],"passed":true},{"actual":["UNSHIPPABLE"],"check":"girth limit","expected":["UNSHIPPABLE"],"passed":true},{"actual":["AHS_DIM"],"check":"second side","expected":["AHS_DIM"],"passed":true},{"actual":["UNSHIPPABLE"],"check":"generated mix 6","expected":["UNSHIPPABLE"],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"generated mix 1\", \"actual\": [\"OVERSIZE\", \"AHS_WEIGHT\"], \"expected\": [\"OVERSIZE\"], \"passed\": false}, {\"check\": \"generated mix 21\", \"actual\": [\"OVERSIZE\", \"AHS_WEIGHT\"], \"expected\": [\"OVERSIZE\", \"AHS_WEIGHT\"], \"passed\": true}, {\"check\": \"oversize\", \"actual\": [\"OVERSIZE\"], \"expected\": [\"OVERSIZE\"], \"passed\": true}, {\"check\": \"length edge\", \"actual\": [], \"expected\": [], \"passed\": true}, {\"check\": \"oversize and heavy\", \"actual\": [\"OVERSIZE\", \"AHS_WEIGHT\"], \"expected\": [\"OVERSIZE\", \"AHS_WEIGHT\"], \"passed\": true}, {\"check\": \"girth limit\", \"actual\": [\"UNSHIPPABLE\"], \"expected\": [\"UNSHIPPABLE\"], \"passed\": true}, {\"check\": \"second side\", \"actual\": [\"AHS_DIM\"], \"expected\": [\"AHS_DIM\"], \"passed\": true}, {\"check\": \"generated mix 6\", \"actual\": [\"UNSHIPPABLE\"], \"expected\": [\"UNSHIPPABLE\"], \"passed\": true}], \"passed\": false}\n"},"fixed":{"elapsed_ms":38.576,"exit_code":0,"observations":[{"actual":["OVERSIZE"],"check":"generated mix 1","expected":["OVERSIZE"],"passed":true},{"actual":["OVERSIZE","AHS_WEIGHT"],"check":"generated mix 21","expected":["OVERSIZE","AHS_WEIGHT"],"passed":true},{"actual":["OVERSIZE"],"check":"oversize","expected":["OVERSIZE"],"passed":true},{"actual":[],"check":"length edge","expected":[],"passed":true},{"actual":["OVERSIZE","AHS_WEIGHT"],"check":"oversize and heavy","expected":["OVERSIZE","AHS_WEIGHT"],"passed":true},{"actual":["UNSHIPPABLE"],"check":"girth limit","expected":["UNSHIPPABLE"],"passed":true},{"actual":["AHS_DIM"],"check":"second side","expected":["AHS_DIM"],"passed":true},{"actual":["UNSHIPPABLE"],"check":"generated mix 6","expected":["UNSHIPPABLE"],"passed":true}],"passed":true,"stderr":"","stdout":"{\"observations\": [{\"check\": \"generated mix 1\", \"actual\": [\"OVERSIZE\"], \"expected\": [\"OVERSIZE\"], \"passed\": true}, {\"check\": \"generated mix 21\", \"actual\": [\"OVERSIZE\", \"AHS_WEIGHT\"], \"expected\": [\"OVERSIZE\", \"AHS_WEIGHT\"], \"passed\": true}, {\"check\": \"oversize\", \"actual\": [\"OVERSIZE\"], \"expected\": [\"OVERSIZE\"], \"passed\": true}, {\"check\": \"length edge\", \"actual\": [], \"expected\": [], \"passed\": true}, {\"check\": \"oversize and heavy\", \"actual\": [\"OVERSIZE\", \"AHS_WEIGHT\"], \"expected\": [\"OVERSIZE\", \"AHS_WEIGHT\"], \"passed\": true}, {\"check\": \"girth limit\", \"actual\": [\"UNSHIPPABLE\"], \"expected\": [\"UNSHIPPABLE\"], \"passed\": true}, {\"check\": \"second side\", \"actual\": [\"AHS_DIM\"], \"expected\": [\"AHS_DIM\"], \"passed\": true}, {\"check\": \"generated mix 6\", \"actual\": [\"UNSHIPPABLE\"], \"expected\": [\"UNSHIPPABLE\"], \"passed\": true}], \"passed\": true}\n"}},"verified":true,"visibility":"public"}