{"abstract":"Girth is computed around the longest side when dims are not entered longest-first.","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":"Sorting ascending treats the shortest side as length.","family":"w2-shipping-zone-size-classes-length-selection","id":"FA-95456","implementations":{"attempt":{"sha256":"3a6291641a18eacd7d94990c0e2001b0f354603cc90d47b4244bd5011ca17dd8","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)\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 = [[['oversize', [[10, 60, 30], 10], ['OVERSIZE']], ['second side', [[40, 31, 10], 5], ['AHS_DIM']], ['length edge', [[48, 20, 10], 5], []], ['oversize and heavy', [[60, 20, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['girth limit', [[110, 10, 10], 5], ['UNSHIPPABLE']], ['weight flags both', [[49, 10, 10], 50.5], ['AHS_DIM', 'AHS_WEIGHT']], ['generated mix 6', [[110, 108, 110], 70], ['UNSHIPPABLE']], ['generated mix 14', [[80, 80, 40], 70], ['UNSHIPPABLE']]], [['generated mix 1', [[10, 40, 40], 50], ['OVERSIZE']], ['weight flags both', [[49, 10, 10], 50.5], ['AHS_DIM', 'AHS_WEIGHT']], ['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 9', [[40, 40, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['generated mix 17', [[80, 80, 100], 70], ['UNSHIPPABLE']], ['generated mix 25', [[40, 108, 100], 151], ['UNSHIPPABLE']]], [['generated mix 46', [[10, 10, 100], 150], ['OVERSIZE', 'AHS_WEIGHT']], ['oversize', [[10, 60, 30], 10], ['OVERSIZE']], ['exact 130', [[50, 20, 20], 5], ['AHS_DIM']], ['length edge', [[48, 20, 10], 5], []], ['oversize and heavy', [[60, 20, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['girth limit', [[110, 10, 10], 5], ['UNSHIPPABLE']], ['generated mix 20', [[100, 60, 60], 50.5], ['UNSHIPPABLE']], ['generated mix 28', [[100, 31, 40], 5], ['UNSHIPPABLE']]], [['oversize', [[10, 60, 30], 10], ['OVERSIZE']], ['exact 130', [[50, 20, 20], 5], ['AHS_DIM']], ['oversize and heavy', [[60, 20, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['girth limit', [[110, 10, 10], 5], ['UNSHIPPABLE']], ['length edge', [[48, 20, 10], 5], []], ['generated mix 31', [[48, 30, 10], 150], ['AHS_WEIGHT']], ['generated mix 39', [[60, 60, 49], 70], ['UNSHIPPABLE']], ['generated mix 47', [[60, 110, 10], 150], ['UNSHIPPABLE']]], [['generated mix 1', [[10, 40, 40], 50], ['OVERSIZE']], ['generated mix 46', [[10, 10, 100], 150], ['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 42', [[80, 60, 49], 49.5], ['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":"78ae06733f0df1823bf02b2bf35c435d765d49c23308e40d0a90a4f1f98fc8ee","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(dims, weight):\n    L, s2, s3 = dims\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 = [[['oversize', [[10, 60, 30], 10], ['OVERSIZE']], ['second side', [[40, 31, 10], 5], ['AHS_DIM']], ['length edge', [[48, 20, 10], 5], []], ['oversize and heavy', [[60, 20, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['girth limit', [[110, 10, 10], 5], ['UNSHIPPABLE']], ['weight flags both', [[49, 10, 10], 50.5], ['AHS_DIM', 'AHS_WEIGHT']], ['generated mix 6', [[110, 108, 110], 70], ['UNSHIPPABLE']], ['generated mix 14', [[80, 80, 40], 70], ['UNSHIPPABLE']]], [['generated mix 1', [[10, 40, 40], 50], ['OVERSIZE']], ['weight flags both', [[49, 10, 10], 50.5], ['AHS_DIM', 'AHS_WEIGHT']], ['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 9', [[40, 40, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['generated mix 17', [[80, 80, 100], 70], ['UNSHIPPABLE']], ['generated mix 25', [[40, 108, 100], 151], ['UNSHIPPABLE']]], [['generated mix 46', [[10, 10, 100], 150], ['OVERSIZE', 'AHS_WEIGHT']], ['oversize', [[10, 60, 30], 10], ['OVERSIZE']], ['exact 130', [[50, 20, 20], 5], ['AHS_DIM']], ['length edge', [[48, 20, 10], 5], []], ['oversize and heavy', [[60, 20, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['girth limit', [[110, 10, 10], 5], ['UNSHIPPABLE']], ['generated mix 20', [[100, 60, 60], 50.5], ['UNSHIPPABLE']], ['generated mix 28', [[100, 31, 40], 5], ['UNSHIPPABLE']]], [['oversize', [[10, 60, 30], 10], ['OVERSIZE']], ['exact 130', [[50, 20, 20], 5], ['AHS_DIM']], ['oversize and heavy', [[60, 20, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['girth limit', [[110, 10, 10], 5], ['UNSHIPPABLE']], ['length edge', [[48, 20, 10], 5], []], ['generated mix 31', [[48, 30, 10], 150], ['AHS_WEIGHT']], ['generated mix 39', [[60, 60, 49], 70], ['UNSHIPPABLE']], ['generated mix 47', [[60, 110, 10], 150], ['UNSHIPPABLE']]], [['generated mix 1', [[10, 40, 40], 50], ['OVERSIZE']], ['generated mix 46', [[10, 10, 100], 150], ['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 42', [[80, 60, 49], 49.5], ['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":"a85469f39116a9a69f00cbcb65251c29a4cfefc55c0f95d95230d0af41399035","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 = [[['oversize', [[10, 60, 30], 10], ['OVERSIZE']], ['second side', [[40, 31, 10], 5], ['AHS_DIM']], ['length edge', [[48, 20, 10], 5], []], ['oversize and heavy', [[60, 20, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['girth limit', [[110, 10, 10], 5], ['UNSHIPPABLE']], ['weight flags both', [[49, 10, 10], 50.5], ['AHS_DIM', 'AHS_WEIGHT']], ['generated mix 6', [[110, 108, 110], 70], ['UNSHIPPABLE']], ['generated mix 14', [[80, 80, 40], 70], ['UNSHIPPABLE']]], [['generated mix 1', [[10, 40, 40], 50], ['OVERSIZE']], ['weight flags both', [[49, 10, 10], 50.5], ['AHS_DIM', 'AHS_WEIGHT']], ['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 9', [[40, 40, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['generated mix 17', [[80, 80, 100], 70], ['UNSHIPPABLE']], ['generated mix 25', [[40, 108, 100], 151], ['UNSHIPPABLE']]], [['generated mix 46', [[10, 10, 100], 150], ['OVERSIZE', 'AHS_WEIGHT']], ['oversize', [[10, 60, 30], 10], ['OVERSIZE']], ['exact 130', [[50, 20, 20], 5], ['AHS_DIM']], ['length edge', [[48, 20, 10], 5], []], ['oversize and heavy', [[60, 20, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['girth limit', [[110, 10, 10], 5], ['UNSHIPPABLE']], ['generated mix 20', [[100, 60, 60], 50.5], ['UNSHIPPABLE']], ['generated mix 28', [[100, 31, 40], 5], ['UNSHIPPABLE']]], [['oversize', [[10, 60, 30], 10], ['OVERSIZE']], ['exact 130', [[50, 20, 20], 5], ['AHS_DIM']], ['oversize and heavy', [[60, 20, 20], 70], ['OVERSIZE', 'AHS_WEIGHT']], ['girth limit', [[110, 10, 10], 5], ['UNSHIPPABLE']], ['length edge', [[48, 20, 10], 5], []], ['generated mix 31', [[48, 30, 10], 150], ['AHS_WEIGHT']], ['generated mix 39', [[60, 60, 49], 70], ['UNSHIPPABLE']], ['generated mix 47', [[60, 110, 10], 150], ['UNSHIPPABLE']]], [['generated mix 1', [[10, 40, 40], 50], ['OVERSIZE']], ['generated mix 46', [[10, 10, 100], 150], ['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 42', [[80, 60, 49], 49.5], ['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-length-selection","generated_at":"2026-09-29T14:52:13.803695+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":"Sort dimensions descending; the longest is length.","root_cause":"Dimensions are used in entry order instead of sorting the longest side first.","sha256":"86066bd78a54a2954d36fdc8747764a993ac359e007f91773cb532bd44dddc5e","title":"Size classes: first listed side taken as length · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verification":{"attempt":{"elapsed_ms":39.046,"exit_code":1,"observations":[{"actual":["UNSHIPPABLE"],"check":"oversize","expected":["OVERSIZE"],"passed":false},{"actual":["OVERSIZE"],"check":"second side","expected":["AHS_DIM"],"passed":false},{"actual":["OVERSIZE"],"check":"length edge","expected":[],"passed":false},{"actual":["UNSHIPPABLE"],"check":"oversize and heavy","expected":["OVERSIZE","AHS_WEIGHT"],"passed":false},{"actual":["UNSHIPPABLE"],"check":"girth limit","expected":["UNSHIPPABLE"],"passed":true},{"actual":["AHS_WEIGHT"],"check":"weight flags both","expected":["AHS_DIM","AHS_WEIGHT"],"passed":false},{"actual":["UNSHIPPABLE"],"check":"generated mix 6","expected":["UNSHIPPABLE"],"passed":true},{"actual":["UNSHIPPABLE"],"check":"generated mix 14","expected":["UNSHIPPABLE"],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"oversize\", \"actual\": [\"UNSHIPPABLE\"], \"expected\": [\"OVERSIZE\"], \"passed\": false}, {\"check\": \"second side\", \"actual\": [\"OVERSIZE\"], \"expected\": [\"AHS_DIM\"], \"passed\": false}, {\"check\": \"length edge\", \"actual\": [\"OVERSIZE\"], \"expected\": [], \"passed\": false}, {\"check\": \"oversize and heavy\", \"actual\": [\"UNSHIPPABLE\"], \"expected\": [\"OVERSIZE\", \"AHS_WEIGHT\"], \"passed\": false}, {\"check\": \"girth limit\", \"actual\": [\"UNSHIPPABLE\"], \"expected\": [\"UNSHIPPABLE\"], \"passed\": true}, {\"check\": \"weight flags both\", \"actual\": [\"AHS_WEIGHT\"], \"expected\": [\"AHS_DIM\", \"AHS_WEIGHT\"], \"passed\": false}, {\"check\": \"generated mix 6\", \"actual\": [\"UNSHIPPABLE\"], \"expected\": [\"UNSHIPPABLE\"], \"passed\": true}, {\"check\": \"generated mix 14\", \"actual\": [\"UNSHIPPABLE\"], \"expected\": [\"UNSHIPPABLE\"], \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":38.038,"exit_code":1,"observations":[{"actual":["UNSHIPPABLE"],"check":"oversize","expected":["OVERSIZE"],"passed":false},{"actual":["AHS_DIM"],"check":"second side","expected":["AHS_DIM"],"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","AHS_WEIGHT"],"check":"weight flags both","expected":["AHS_DIM","AHS_WEIGHT"],"passed":true},{"actual":["UNSHIPPABLE"],"check":"generated mix 6","expected":["UNSHIPPABLE"],"passed":true},{"actual":["UNSHIPPABLE"],"check":"generated mix 14","expected":["UNSHIPPABLE"],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"oversize\", \"actual\": [\"UNSHIPPABLE\"], \"expected\": [\"OVERSIZE\"], \"passed\": false}, {\"check\": \"second side\", \"actual\": [\"AHS_DIM\"], \"expected\": [\"AHS_DIM\"], \"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\": \"weight flags both\", \"actual\": [\"AHS_DIM\", \"AHS_WEIGHT\"], \"expected\": [\"AHS_DIM\", \"AHS_WEIGHT\"], \"passed\": true}, {\"check\": \"generated mix 6\", \"actual\": [\"UNSHIPPABLE\"], \"expected\": [\"UNSHIPPABLE\"], \"passed\": true}, {\"check\": \"generated mix 14\", \"actual\": [\"UNSHIPPABLE\"], \"expected\": [\"UNSHIPPABLE\"], \"passed\": true}], \"passed\": false}\n"},"fixed":{"elapsed_ms":41.017,"exit_code":0,"observations":[{"actual":["OVERSIZE"],"check":"oversize","expected":["OVERSIZE"],"passed":true},{"actual":["AHS_DIM"],"check":"second side","expected":["AHS_DIM"],"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","AHS_WEIGHT"],"check":"weight flags both","expected":["AHS_DIM","AHS_WEIGHT"],"passed":true},{"actual":["UNSHIPPABLE"],"check":"generated mix 6","expected":["UNSHIPPABLE"],"passed":true},{"actual":["UNSHIPPABLE"],"check":"generated mix 14","expected":["UNSHIPPABLE"],"passed":true}],"passed":true,"stderr":"","stdout":"{\"observations\": [{\"check\": \"oversize\", \"actual\": [\"OVERSIZE\"], \"expected\": [\"OVERSIZE\"], \"passed\": true}, {\"check\": \"second side\", \"actual\": [\"AHS_DIM\"], \"expected\": [\"AHS_DIM\"], \"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\": \"weight flags both\", \"actual\": [\"AHS_DIM\", \"AHS_WEIGHT\"], \"expected\": [\"AHS_DIM\", \"AHS_WEIGHT\"], \"passed\": true}, {\"check\": \"generated mix 6\", \"actual\": [\"UNSHIPPABLE\"], \"expected\": [\"UNSHIPPABLE\"], \"passed\": true}, {\"check\": \"generated mix 14\", \"actual\": [\"UNSHIPPABLE\"], \"expected\": [\"UNSHIPPABLE\"], \"passed\": true}], \"passed\": true}\n"}},"verified":true,"visibility":"public"}