{"abstract":"Strict comparisons exclude the closed boundary.","category":"Planar geometry","checks":4,"contract":"Integer coordinates and lengths, with exact arithmetic except for indicated division results. Lengths are nonnegative. Rectangles are (xmin,ymin,xmax,ymax) with ordered bounds; coordinate vectors have matching dimensions. Axis aligned point containment closed. Exact operational definition: box[0]<=p[0]<=box[2] and box[1]<=p[1]<=box[3]","contract_signature":"p, box","evaluation_group":"model-1398adf589091dd8","failed_approach":"An OR admits points outside one required coordinate interval.","family":"xn-axis-aligned-point-containment-closed","id":"FA-5876","implementations":{"attempt":{"sha256":"b74613173f8300170506a60027abb76a6b127b5f27230c35e7fa54ae90cff05f","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport math\nimport calendar\nimport statistics\nimport itertools\nfrom fractions import Fraction\nfrom datetime import date, datetime, timedelta, timezone\nfrom decimal import Decimal, ROUND_HALF_UP, ROUND_DOWN, ROUND_CEILING, ROUND_FLOOR\n\nN = 1\nobservations = []\ndef solve(p, box):\n    return box[0]<=p[0]<=box[2] or box[1]<=p[1]<=box[3]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\ncheck('fixture 1: ((0, 0), (0, 0, 2, 2))', solve(*((0, 0), (0, 0, 2, 2))), True)\ncheck('fixture 2: ((1, 1), (0, 0, 2, 2))', solve(*((1, 1), (0, 0, 2, 2))), True)\ncheck('fixture 3: ((3, 1), (0, 0, 2, 2))', solve(*((3, 1), (0, 0, 2, 2))), False)\ncheck('fixture 4: ((2, 2), (0, 0, 2, 2))', solve(*((2, 2), (0, 0, 2, 2))), True)\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":"26d856e1c41cf0f8fe1cd5ee6760b19c775acbc7d8f2bc24186152c21556f522","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport math\nimport calendar\nimport statistics\nimport itertools\nfrom fractions import Fraction\nfrom datetime import date, datetime, timedelta, timezone\nfrom decimal import Decimal, ROUND_HALF_UP, ROUND_DOWN, ROUND_CEILING, ROUND_FLOOR\n\nN = 1\nobservations = []\ndef solve(p, box):\n    return box[0]<p[0]<box[2] and box[1]<p[1]<box[3]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\ncheck('fixture 1: ((0, 0), (0, 0, 2, 2))', solve(*((0, 0), (0, 0, 2, 2))), True)\ncheck('fixture 2: ((1, 1), (0, 0, 2, 2))', solve(*((1, 1), (0, 0, 2, 2))), True)\ncheck('fixture 3: ((3, 1), (0, 0, 2, 2))', solve(*((3, 1), (0, 0, 2, 2))), False)\ncheck('fixture 4: ((2, 2), (0, 0, 2, 2))', solve(*((2, 2), (0, 0, 2, 2))), True)\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":" 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":"xn-axis-aligned-point-containment-closed","generated_at":"2026-09-29T14:37:54.702139+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Small exact fixtures expose this error without platform timing, external services, or probabilistic observations. Planar geometry results depend on the stated convention.","root_cause":"Strict comparisons exclude the closed boundary.","sha256":"a1c521c7fa846fcec561449ad25be3bf4f9f3c32e792334fb62cd0bd69d28680","title":"Axis aligned point containment closed · 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":51.574,"exit_code":1,"observations":[{"actual":true,"check":"fixture 1: ((0, 0), (0, 0, 2, 2))","expected":true,"passed":true},{"actual":true,"check":"fixture 2: ((1, 1), (0, 0, 2, 2))","expected":true,"passed":true},{"actual":true,"check":"fixture 3: ((3, 1), (0, 0, 2, 2))","expected":false,"passed":false},{"actual":true,"check":"fixture 4: ((2, 2), (0, 0, 2, 2))","expected":true,"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"fixture 1: ((0, 0), (0, 0, 2, 2))\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"fixture 2: ((1, 1), (0, 0, 2, 2))\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"fixture 3: ((3, 1), (0, 0, 2, 2))\", \"actual\": true, \"expected\": false, \"passed\": false}, {\"check\": \"fixture 4: ((2, 2), (0, 0, 2, 2))\", \"actual\": true, \"expected\": true, \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":50.774,"exit_code":1,"observations":[{"actual":false,"check":"fixture 1: ((0, 0), (0, 0, 2, 2))","expected":true,"passed":false},{"actual":true,"check":"fixture 2: ((1, 1), (0, 0, 2, 2))","expected":true,"passed":true},{"actual":false,"check":"fixture 3: ((3, 1), (0, 0, 2, 2))","expected":false,"passed":true},{"actual":false,"check":"fixture 4: ((2, 2), (0, 0, 2, 2))","expected":true,"passed":false}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"fixture 1: ((0, 0), (0, 0, 2, 2))\", \"actual\": false, \"expected\": true, \"passed\": false}, {\"check\": \"fixture 2: ((1, 1), (0, 0, 2, 2))\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"fixture 3: ((3, 1), (0, 0, 2, 2))\", \"actual\": false, \"expected\": false, \"passed\": true}, {\"check\": \"fixture 4: ((2, 2), (0, 0, 2, 2))\", \"actual\": false, \"expected\": true, \"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."}}