{"abstract":"Title transfers on only one required acceptance signature.","category":"Auction allocation rules","checks":10,"contract":"Award fulfillment tracks delivered, inspected, rejected and accepted units. Title and seller payout require acceptance, not shipping. Partial shipments and certificates refer to individual auction lot identifiers; freight and storage are fixed integer credits. Named decision title-acceptance: For title acceptance, apply the stipulated decision x[\"buyer_signed\"] and x[\"seller_signed\"].","contract_signature":"x","evaluation_group":"s3-auction-delivery-acceptance","failed_approach":"The attempted repair uses x[\"buyer_signed\"]; the explicit regression cases demonstrate that this still violates the stipulated auction rule.","family":"s3-auction-allocation-rules-delivery-acceptance-title-acceptance","id":"FA-56906","implementations":{"attempt":{"sha256":"d1bead8edd5e404c2d4371436405268f371ac861dadc3e973df6f3f8d8a9403b","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    v0 = min(x[\"delivered\"],x[\"inspected\"])\n    v1 = max(0,min(x[\"delivered\"],x[\"inspected\"])-x[\"rejected\"])\n    v2 = max(0,x[\"awarded\"]-x[\"delivered\"])\n    v3 = x[\"buyer_signed\"]\n    v4 = set(x[\"lots\"])<=set(x[\"certificate\"])\n    v5 = [i for i in x[\"lots\"] if i in x[\"certificate\"] and i not in x[\"damaged\"]]\n    v6 = min(x[\"paid\"],max(0,min(x[\"delivered\"],x[\"inspected\"])-x[\"rejected\"])*x[\"unit_price\"])\n    v7 = max(0,x[\"delivered\"]-x[\"returned\"])\n    v8 = x[\"storage\"] if x[\"now\"]>x[\"deadline\"] else 0\n    v9 = 0 if x[\"disputed\"] else max(0,x[\"paid\"]-x[\"freight\"])\n    return {'inspectable-units':v0,'accepted-unit-count':v1,'award-remainder':v2,'title-acceptance':v3,'certificate-coverage':v4,'undamaged-certificate-release':v5,'payout-payment-cap':v6,'returned-fulfillment':v7,'late-storage-charge':v8,'dispute-payout-hold':v9}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [('normal contract', {'awarded': 8, 'shipped': 6, 'delivered': 5, 'inspected': 4, 'rejected': 1, 'paid': 20, 'unit_price': 3, 'certificate': ['A'], 'lots': ['A', 'B'], 'damaged': ['B'], 'buyer_signed': False, 'seller_signed': True, 'freight': 4, 'storage': 2, 'returned': 1, 'deadline': 9, 'now': 7, 'disputed': False}, [False, False, False, False, False]), ('wrong certificate same count', {'awarded': 8, 'shipped': 6, 'delivered': 5, 'inspected': 4, 'rejected': 1, 'paid': 20, 'unit_price': 3, 'certificate': ['A', 'C'], 'lots': ['A', 'B'], 'damaged': ['B'], 'buyer_signed': False, 'seller_signed': True, 'freight': 4, 'storage': 2, 'returned': 1, 'deadline': 9, 'now': 7, 'disputed': False}, [False, False, False, False, False]), ('buyer accepts / seller unsigned', {'awarded': 8, 'shipped': 6, 'delivered': 5, 'inspected': 4, 'rejected': 1, 'paid': 20, 'unit_price': 3, 'certificate': ['A'], 'lots': ['A', 'B'], 'damaged': ['B'], 'buyer_signed': True, 'seller_signed': False, 'freight': 4, 'storage': 2, 'returned': 1, 'deadline': 9, 'now': 7, 'disputed': False}, [False, False, False, False, False]), ('delivery at deadline', {'awarded': 8, 'shipped': 6, 'delivered': 5, 'inspected': 4, 'rejected': 1, 'paid': 20, 'unit_price': 3, 'certificate': ['A'], 'lots': ['A', 'B'], 'damaged': ['B'], 'buyer_signed': False, 'seller_signed': True, 'freight': 4, 'storage': 2, 'returned': 1, 'deadline': 9, 'now': 9, 'disputed': False}, [False, False, False, False, False]), ('buyer accepts', {'awarded': 8, 'shipped': 6, 'delivered': 5, 'inspected': 4, 'rejected': 1, 'paid': 20, 'unit_price': 3, 'certificate': ['A'], 'lots': ['A', 'B'], 'damaged': ['B'], 'buyer_signed': True, 'seller_signed': True, 'freight': 4, 'storage': 2, 'returned': 1, 'deadline': 9, 'now': 7, 'disputed': False}, [True, True, True, True, True]), ('nothing delivered', {'awarded': 8, 'shipped': 6, 'delivered': 0, 'inspected': 0, 'rejected': 0, 'paid': 20, 'unit_price': 3, 'certificate': ['A'], 'lots': ['A', 'B'], 'damaged': ['B'], 'buyer_signed': False, 'seller_signed': True, 'freight': 4, 'storage': 2, 'returned': 1, 'deadline': 9, 'now': 7, 'disputed': False}, [False, False, False, False, False]), ('inspection exceeds delivery', {'awarded': 8, 'shipped': 6, 'delivered': 5, 'inspected': 8, 'rejected': 1, 'paid': 20, 'unit_price': 3, 'certificate': ['A'], 'lots': ['A', 'B'], 'damaged': ['B'], 'buyer_signed': False, 'seller_signed': True, 'freight': 4, 'storage': 2, 'returned': 1, 'deadline': 9, 'now': 7, 'disputed': False}, [False, False, False, False, False]), ('all inspected rejected', {'awarded': 8, 'shipped': 6, 'delivered': 5, 'inspected': 4, 'rejected': 4, 'paid': 20, 'unit_price': 3, 'certificate': ['A'], 'lots': ['A', 'B'], 'damaged': ['B'], 'buyer_signed': False, 'seller_signed': True, 'freight': 4, 'storage': 2, 'returned': 1, 'deadline': 9, 'now': 7, 'disputed': False}, [False, False, False, False, False]), ('all certified', {'awarded': 8, 'shipped': 6, 'delivered': 5, 'inspected': 4, 'rejected': 1, 'paid': 20, 'unit_price': 3, 'certificate': ['A', 'B'], 'lots': ['A', 'B'], 'damaged': ['B'], 'buyer_signed': False, 'seller_signed': True, 'freight': 4, 'storage': 2, 'returned': 1, 'deadline': 9, 'now': 7, 'disputed': False}, [False, False, False, False, False]), ('no damage', {'awarded': 8, 'shipped': 6, 'delivered': 5, 'inspected': 4, 'rejected': 1, 'paid': 20, 'unit_price': 3, 'certificate': ['A'], 'lots': ['A', 'B'], 'damaged': [], 'buyer_signed': False, 'seller_signed': True, 'freight': 4, 'storage': 2, 'returned': 1, 'deadline': 9, 'now': 7, 'disputed': False}, [False, False, False, False, False])]\ndef vary(value):\n if type(value) is int: return value*N\n if isinstance(value,list): return [vary(v) for v in value]\n if isinstance(value,dict): return {k:(v if k in ['count', 'delivery_index', 'disputed', 'maximum_set', 'minimum_set', 'stage', 'threshold', 'waived'] else vary(v)) for k,v in value.items()}\n return value\nfor label, request, expected in fixtures:\n check(label, solve(vary(request))['title-acceptance'], expected[N-1])\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":"c2a6d0c3bf6d887586ebd4e1bc7db07990eef2c9404f96d57db8a87aa367f973","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    v0 = min(x[\"delivered\"],x[\"inspected\"])\n    v1 = max(0,min(x[\"delivered\"],x[\"inspected\"])-x[\"rejected\"])\n    v2 = max(0,x[\"awarded\"]-x[\"delivered\"])\n    v3 = x[\"seller_signed\"]\n    v4 = set(x[\"lots\"])<=set(x[\"certificate\"])\n    v5 = [i for i in x[\"lots\"] if i in x[\"certificate\"] and i not in x[\"damaged\"]]\n    v6 = min(x[\"paid\"],max(0,min(x[\"delivered\"],x[\"inspected\"])-x[\"rejected\"])*x[\"unit_price\"])\n    v7 = max(0,x[\"delivered\"]-x[\"returned\"])\n    v8 = x[\"storage\"] if x[\"now\"]>x[\"deadline\"] else 0\n    v9 = 0 if x[\"disputed\"] else max(0,x[\"paid\"]-x[\"freight\"])\n    return {'inspectable-units':v0,'accepted-unit-count':v1,'award-remainder':v2,'title-acceptance':v3,'certificate-coverage':v4,'undamaged-certificate-release':v5,'payout-payment-cap':v6,'returned-fulfillment':v7,'late-storage-charge':v8,'dispute-payout-hold':v9}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [('normal contract', {'awarded': 8, 'shipped': 6, 'delivered': 5, 'inspected': 4, 'rejected': 1, 'paid': 20, 'unit_price': 3, 'certificate': ['A'], 'lots': ['A', 'B'], 'damaged': ['B'], 'buyer_signed': False, 'seller_signed': True, 'freight': 4, 'storage': 2, 'returned': 1, 'deadline': 9, 'now': 7, 'disputed': False}, [False, False, False, False, False]), ('wrong certificate same count', {'awarded': 8, 'shipped': 6, 'delivered': 5, 'inspected': 4, 'rejected': 1, 'paid': 20, 'unit_price': 3, 'certificate': ['A', 'C'], 'lots': ['A', 'B'], 'damaged': ['B'], 'buyer_signed': False, 'seller_signed': True, 'freight': 4, 'storage': 2, 'returned': 1, 'deadline': 9, 'now': 7, 'disputed': False}, [False, False, False, False, False]), ('buyer accepts / seller unsigned', {'awarded': 8, 'shipped': 6, 'delivered': 5, 'inspected': 4, 'rejected': 1, 'paid': 20, 'unit_price': 3, 'certificate': ['A'], 'lots': ['A', 'B'], 'damaged': ['B'], 'buyer_signed': True, 'seller_signed': False, 'freight': 4, 'storage': 2, 'returned': 1, 'deadline': 9, 'now': 7, 'disputed': False}, [False, False, False, False, False]), ('delivery at deadline', {'awarded': 8, 'shipped': 6, 'delivered': 5, 'inspected': 4, 'rejected': 1, 'paid': 20, 'unit_price': 3, 'certificate': ['A'], 'lots': ['A', 'B'], 'damaged': ['B'], 'buyer_signed': False, 'seller_signed': True, 'freight': 4, 'storage': 2, 'returned': 1, 'deadline': 9, 'now': 9, 'disputed': False}, [False, False, False, False, False]), ('buyer accepts', {'awarded': 8, 'shipped': 6, 'delivered': 5, 'inspected': 4, 'rejected': 1, 'paid': 20, 'unit_price': 3, 'certificate': ['A'], 'lots': ['A', 'B'], 'damaged': ['B'], 'buyer_signed': True, 'seller_signed': True, 'freight': 4, 'storage': 2, 'returned': 1, 'deadline': 9, 'now': 7, 'disputed': False}, [True, True, True, True, True]), ('nothing delivered', {'awarded': 8, 'shipped': 6, 'delivered': 0, 'inspected': 0, 'rejected': 0, 'paid': 20, 'unit_price': 3, 'certificate': ['A'], 'lots': ['A', 'B'], 'damaged': ['B'], 'buyer_signed': False, 'seller_signed': True, 'freight': 4, 'storage': 2, 'returned': 1, 'deadline': 9, 'now': 7, 'disputed': False}, [False, False, False, False, False]), ('inspection exceeds delivery', {'awarded': 8, 'shipped': 6, 'delivered': 5, 'inspected': 8, 'rejected': 1, 'paid': 20, 'unit_price': 3, 'certificate': ['A'], 'lots': ['A', 'B'], 'damaged': ['B'], 'buyer_signed': False, 'seller_signed': True, 'freight': 4, 'storage': 2, 'returned': 1, 'deadline': 9, 'now': 7, 'disputed': False}, [False, False, False, False, False]), ('all inspected rejected', {'awarded': 8, 'shipped': 6, 'delivered': 5, 'inspected': 4, 'rejected': 4, 'paid': 20, 'unit_price': 3, 'certificate': ['A'], 'lots': ['A', 'B'], 'damaged': ['B'], 'buyer_signed': False, 'seller_signed': True, 'freight': 4, 'storage': 2, 'returned': 1, 'deadline': 9, 'now': 7, 'disputed': False}, [False, False, False, False, False]), ('all certified', {'awarded': 8, 'shipped': 6, 'delivered': 5, 'inspected': 4, 'rejected': 1, 'paid': 20, 'unit_price': 3, 'certificate': ['A', 'B'], 'lots': ['A', 'B'], 'damaged': ['B'], 'buyer_signed': False, 'seller_signed': True, 'freight': 4, 'storage': 2, 'returned': 1, 'deadline': 9, 'now': 7, 'disputed': False}, [False, False, False, False, False]), ('no damage', {'awarded': 8, 'shipped': 6, 'delivered': 5, 'inspected': 4, 'rejected': 1, 'paid': 20, 'unit_price': 3, 'certificate': ['A'], 'lots': ['A', 'B'], 'damaged': [], 'buyer_signed': False, 'seller_signed': True, 'freight': 4, 'storage': 2, 'returned': 1, 'deadline': 9, 'now': 7, 'disputed': False}, [False, False, False, False, False])]\ndef vary(value):\n if type(value) is int: return value*N\n if isinstance(value,list): return [vary(v) for v in value]\n if isinstance(value,dict): return {k:(v if k in ['count', 'delivery_index', 'disputed', 'maximum_set', 'minimum_set', 'stage', 'threshold', 'waived'] else vary(v)) for k,v in value.items()}\n return value\nfor label, request, expected in fixtures:\n check(label, solve(vary(request))['title-acceptance'], expected[N-1])\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 toy auction rules, not a venue specification, financial advice, optimization claim, or live trading implementation. Nonnegative integer inputs and internally aligned list fields only. 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":"s3-auction-allocation-rules-delivery-acceptance-title-acceptance","generated_at":"2026-09-29T14:46:11.608192+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Offline administrative auction model for software failure analysis.","root_cause":"Title transfers on only one required acceptance signature.","sha256":"67564e81add4e99ad80f43d85b8ff0da429b6002633225309d916345dfdb7578","title":"Delivery acceptance: title acceptance · 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":40.765,"exit_code":1,"observations":[{"actual":false,"check":"normal contract","expected":false,"passed":true},{"actual":false,"check":"wrong certificate same count","expected":false,"passed":true},{"actual":true,"check":"buyer accepts / seller unsigned","expected":false,"passed":false},{"actual":false,"check":"delivery at deadline","expected":false,"passed":true},{"actual":true,"check":"buyer accepts","expected":true,"passed":true},{"actual":false,"check":"nothing delivered","expected":false,"passed":true},{"actual":false,"check":"inspection exceeds delivery","expected":false,"passed":true},{"actual":false,"check":"all inspected rejected","expected":false,"passed":true},{"actual":false,"check":"all certified","expected":false,"passed":true},{"actual":false,"check":"no damage","expected":false,"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"normal contract\", \"actual\": false, \"expected\": false, \"passed\": true}, {\"check\": \"wrong certificate same count\", \"actual\": false, \"expected\": false, \"passed\": true}, {\"check\": \"buyer accepts / seller unsigned\", \"actual\": true, \"expected\": false, \"passed\": false}, {\"check\": \"delivery at deadline\", \"actual\": false, \"expected\": false, \"passed\": true}, {\"check\": \"buyer accepts\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"nothing delivered\", \"actual\": false, \"expected\": false, \"passed\": true}, {\"check\": \"inspection exceeds delivery\", \"actual\": false, \"expected\": false, \"passed\": true}, {\"check\": \"all inspected rejected\", \"actual\": false, \"expected\": false, \"passed\": true}, {\"check\": \"all certified\", \"actual\": false, \"expected\": false, \"passed\": true}, {\"check\": \"no damage\", \"actual\": false, \"expected\": false, \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":41.123,"exit_code":1,"observations":[{"actual":true,"check":"normal contract","expected":false,"passed":false},{"actual":true,"check":"wrong certificate same count","expected":false,"passed":false},{"actual":false,"check":"buyer accepts / seller unsigned","expected":false,"passed":true},{"actual":true,"check":"delivery at deadline","expected":false,"passed":false},{"actual":true,"check":"buyer accepts","expected":true,"passed":true},{"actual":true,"check":"nothing delivered","expected":false,"passed":false},{"actual":true,"check":"inspection exceeds delivery","expected":false,"passed":false},{"actual":true,"check":"all inspected rejected","expected":false,"passed":false},{"actual":true,"check":"all certified","expected":false,"passed":false},{"actual":true,"check":"no damage","expected":false,"passed":false}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"normal contract\", \"actual\": true, \"expected\": false, \"passed\": false}, {\"check\": \"wrong certificate same count\", \"actual\": true, \"expected\": false, \"passed\": false}, {\"check\": \"buyer accepts / seller unsigned\", \"actual\": false, \"expected\": false, \"passed\": true}, {\"check\": \"delivery at deadline\", \"actual\": true, \"expected\": false, \"passed\": false}, {\"check\": \"buyer accepts\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"nothing delivered\", \"actual\": true, \"expected\": false, \"passed\": false}, {\"check\": \"inspection exceeds delivery\", \"actual\": true, \"expected\": false, \"passed\": false}, {\"check\": \"all inspected rejected\", \"actual\": true, \"expected\": false, \"passed\": false}, {\"check\": \"all certified\", \"actual\": true, \"expected\": false, \"passed\": false}, {\"check\": \"no damage\", \"actual\": true, \"expected\": false, \"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."}}