{"abstract":"An approved-but-banned or unapproved assignee receives a regulated award.","category":"Auction allocation rules","checks":11,"contract":"A winning bidder assigns an award subject to buyer, seller and assignee consents. Assignment transfers only undelivered units and the matching unpaid obligation. Partial assignments preserve original provenance and do not release an original guarantee without novation. Named decision assignee-admission: For assignee admission, apply the stipulated decision x[\"assignee\"] in x[\"approved_assignees\"] and x[\"assignee\"] not in x[\"banned\"].","contract_signature":"x","evaluation_group":"s3-auction-award-assignment","failed_approach":"The attempted repair uses x[\"assignee\"] not in x[\"banned\"]; the explicit regression cases demonstrate that this still violates the stipulated auction rule.","family":"s3-auction-allocation-rules-award-assignment-assignee-admission","id":"FA-57816","implementations":{"attempt":{"sha256":"b69cdb5fedf43af208591f10d8ee6708f40ccbf657825a935c0091bca599f895","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    v0 = x[\"seller_consents\"] and x[\"buyer_consents\"] and x[\"assignee_accepts\"]\n    v1 = min(x[\"assign\"],max(0,x[\"award\"]-x[\"delivered\"]))\n    v2 = max(0,x[\"award\"]-x[\"delivered\"]-x[\"assign\"])\n    v3 = min(x[\"assign\"],max(0,x[\"award\"]-x[\"paid_units\"]))\n    v4 = 0 if x[\"novation\"] and x[\"completed\"] else x[\"guarantee\"]\n    v5 = x[\"assignee\"] not in x[\"banned\"]\n    v6 = 0 if x[\"assignee\"]==x[\"original\"] else x[\"assign\"]\n    v7 = [x[\"new_id\"],x[\"source_id\"],x[\"original\"],x[\"assignee\"]]\n    v8 = x[\"new_id\"]!=x[\"source_id\"]\n    v9 = x[\"escrow\"]>=x[\"required_escrow\"]+x[\"assignment_fee\"]\n    return {'three-party-consent':v0,'undelivered-assignment-cap':v1,'remaining-original-obligation':v2,'assigned-unpaid-units':v3,'guarantee-novation':v4,'assignee-admission':v5,'self-assignment-noop':v6,'assignment-provenance':v7,'distinct-assignment-id':v8,'escrow-and-assignment-fee':v9}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [('approved banned assignee', {'award': 8, 'delivered': 3, 'assign': 4, 'original': 'a', 'assignee': 'b', 'seller_consents': True, 'buyer_consents': True, 'assignee_accepts': False, 'paid_units': 2, 'guarantee': 10, 'novation': False, 'approved_assignees': ['b'], 'banned': ['b'], 'assignments': [['b', 2], ['c', 1]], 'source_id': 'w1', 'new_id': 'w2', 'completed': False, 'escrow': 12, 'required_escrow': 8, 'assignment_fee': 2}, [False, False, False, False, False]), ('approved banned assignee / fee exceeds residual escrow', {'award': 8, 'delivered': 3, 'assign': 4, 'original': 'a', 'assignee': 'b', 'seller_consents': True, 'buyer_consents': True, 'assignee_accepts': False, 'paid_units': 2, 'guarantee': 10, 'novation': False, 'approved_assignees': ['b'], 'banned': ['b'], 'assignments': [['b', 2], ['c', 1]], 'source_id': 'w1', 'new_id': 'w2', 'completed': False, 'escrow': 9, 'required_escrow': 8, 'assignment_fee': 2}, [False, False, False, False, False]), ('unapproved unbanned assignee', {'award': 8, 'delivered': 3, 'assign': 4, 'original': 'a', 'assignee': 'b', 'seller_consents': True, 'buyer_consents': True, 'assignee_accepts': False, 'paid_units': 2, 'guarantee': 10, 'novation': False, 'approved_assignees': [], 'banned': ['c'], 'assignments': [['b', 2], ['c', 1]], 'source_id': 'w1', 'new_id': 'w2', 'completed': False, 'escrow': 12, 'required_escrow': 8, 'assignment_fee': 2}, [False, False, False, False, False]), ('approved banned assignee / banned assignee', {'award': 8, 'delivered': 3, 'assign': 4, 'original': 'a', 'assignee': 'c', 'seller_consents': True, 'buyer_consents': True, 'assignee_accepts': False, 'paid_units': 2, 'guarantee': 10, 'novation': False, 'approved_assignees': ['b'], 'banned': ['b'], 'assignments': [['b', 2], ['c', 1]], 'source_id': 'w1', 'new_id': 'w2', 'completed': False, 'escrow': 12, 'required_escrow': 8, 'assignment_fee': 2}, [False, False, False, False, False]), ('normal contract', {'award': 8, 'delivered': 3, 'assign': 4, 'original': 'a', 'assignee': 'b', 'seller_consents': True, 'buyer_consents': True, 'assignee_accepts': False, 'paid_units': 2, 'guarantee': 10, 'novation': False, 'approved_assignees': ['b'], 'banned': ['c'], 'assignments': [['b', 2], ['c', 1]], 'source_id': 'w1', 'new_id': 'w2', 'completed': False, 'escrow': 12, 'required_escrow': 8, 'assignment_fee': 2}, [True, True, True, True, True]), ('fee exceeds residual escrow', {'award': 8, 'delivered': 3, 'assign': 4, 'original': 'a', 'assignee': 'b', 'seller_consents': True, 'buyer_consents': True, 'assignee_accepts': False, 'paid_units': 2, 'guarantee': 10, 'novation': False, 'approved_assignees': ['b'], 'banned': ['c'], 'assignments': [['b', 2], ['c', 1]], 'source_id': 'w1', 'new_id': 'w2', 'completed': False, 'escrow': 9, 'required_escrow': 8, 'assignment_fee': 2}, [True, True, True, True, True]), ('all consents', {'award': 8, 'delivered': 3, 'assign': 4, 'original': 'a', 'assignee': 'b', 'seller_consents': True, 'buyer_consents': True, 'assignee_accepts': True, 'paid_units': 2, 'guarantee': 10, 'novation': False, 'approved_assignees': ['b'], 'banned': ['c'], 'assignments': [['b', 2], ['c', 1]], 'source_id': 'w1', 'new_id': 'w2', 'completed': False, 'escrow': 12, 'required_escrow': 8, 'assignment_fee': 2}, [True, True, True, True, True]), ('seller refuses', {'award': 8, 'delivered': 3, 'assign': 4, 'original': 'a', 'assignee': 'b', 'seller_consents': False, 'buyer_consents': True, 'assignee_accepts': False, 'paid_units': 2, 'guarantee': 10, 'novation': False, 'approved_assignees': ['b'], 'banned': ['c'], 'assignments': [['b', 2], ['c', 1]], 'source_id': 'w1', 'new_id': 'w2', 'completed': False, 'escrow': 12, 'required_escrow': 8, 'assignment_fee': 2}, [True, True, True, True, True]), ('buyer refuses', {'award': 8, 'delivered': 3, 'assign': 4, 'original': 'a', 'assignee': 'b', 'seller_consents': True, 'buyer_consents': False, 'assignee_accepts': False, 'paid_units': 2, 'guarantee': 10, 'novation': False, 'approved_assignees': ['b'], 'banned': ['c'], 'assignments': [['b', 2], ['c', 1]], 'source_id': 'w1', 'new_id': 'w2', 'completed': False, 'escrow': 12, 'required_escrow': 8, 'assignment_fee': 2}, [True, True, True, True, True]), ('overassignment', {'award': 8, 'delivered': 3, 'assign': 7, 'original': 'a', 'assignee': 'b', 'seller_consents': True, 'buyer_consents': True, 'assignee_accepts': False, 'paid_units': 2, 'guarantee': 10, 'novation': False, 'approved_assignees': ['b'], 'banned': ['c'], 'assignments': [['b', 2], ['c', 1]], 'source_id': 'w1', 'new_id': 'w2', 'completed': False, 'escrow': 12, 'required_escrow': 8, 'assignment_fee': 2}, [True, True, True, True, True]), ('all delivered', {'award': 8, 'delivered': 8, 'assign': 4, 'original': 'a', 'assignee': 'b', 'seller_consents': True, 'buyer_consents': True, 'assignee_accepts': False, 'paid_units': 2, 'guarantee': 10, 'novation': False, 'approved_assignees': ['b'], 'banned': ['c'], 'assignments': [['b', 2], ['c', 1]], 'source_id': 'w1', 'new_id': 'w2', 'completed': False, 'escrow': 12, 'required_escrow': 8, 'assignment_fee': 2}, [True, True, True, True, True])]\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))['assignee-admission'], 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":"32ca342ad5f84fc708fc6499044e9fb928f7917411702e04fe77fc78057aeb05","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    v0 = x[\"seller_consents\"] and x[\"buyer_consents\"] and x[\"assignee_accepts\"]\n    v1 = min(x[\"assign\"],max(0,x[\"award\"]-x[\"delivered\"]))\n    v2 = max(0,x[\"award\"]-x[\"delivered\"]-x[\"assign\"])\n    v3 = min(x[\"assign\"],max(0,x[\"award\"]-x[\"paid_units\"]))\n    v4 = 0 if x[\"novation\"] and x[\"completed\"] else x[\"guarantee\"]\n    v5 = x[\"assignee\"] in x[\"approved_assignees\"]\n    v6 = 0 if x[\"assignee\"]==x[\"original\"] else x[\"assign\"]\n    v7 = [x[\"new_id\"],x[\"source_id\"],x[\"original\"],x[\"assignee\"]]\n    v8 = x[\"new_id\"]!=x[\"source_id\"]\n    v9 = x[\"escrow\"]>=x[\"required_escrow\"]+x[\"assignment_fee\"]\n    return {'three-party-consent':v0,'undelivered-assignment-cap':v1,'remaining-original-obligation':v2,'assigned-unpaid-units':v3,'guarantee-novation':v4,'assignee-admission':v5,'self-assignment-noop':v6,'assignment-provenance':v7,'distinct-assignment-id':v8,'escrow-and-assignment-fee':v9}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [('approved banned assignee', {'award': 8, 'delivered': 3, 'assign': 4, 'original': 'a', 'assignee': 'b', 'seller_consents': True, 'buyer_consents': True, 'assignee_accepts': False, 'paid_units': 2, 'guarantee': 10, 'novation': False, 'approved_assignees': ['b'], 'banned': ['b'], 'assignments': [['b', 2], ['c', 1]], 'source_id': 'w1', 'new_id': 'w2', 'completed': False, 'escrow': 12, 'required_escrow': 8, 'assignment_fee': 2}, [False, False, False, False, False]), ('approved banned assignee / fee exceeds residual escrow', {'award': 8, 'delivered': 3, 'assign': 4, 'original': 'a', 'assignee': 'b', 'seller_consents': True, 'buyer_consents': True, 'assignee_accepts': False, 'paid_units': 2, 'guarantee': 10, 'novation': False, 'approved_assignees': ['b'], 'banned': ['b'], 'assignments': [['b', 2], ['c', 1]], 'source_id': 'w1', 'new_id': 'w2', 'completed': False, 'escrow': 9, 'required_escrow': 8, 'assignment_fee': 2}, [False, False, False, False, False]), ('unapproved unbanned assignee', {'award': 8, 'delivered': 3, 'assign': 4, 'original': 'a', 'assignee': 'b', 'seller_consents': True, 'buyer_consents': True, 'assignee_accepts': False, 'paid_units': 2, 'guarantee': 10, 'novation': False, 'approved_assignees': [], 'banned': ['c'], 'assignments': [['b', 2], ['c', 1]], 'source_id': 'w1', 'new_id': 'w2', 'completed': False, 'escrow': 12, 'required_escrow': 8, 'assignment_fee': 2}, [False, False, False, False, False]), ('approved banned assignee / banned assignee', {'award': 8, 'delivered': 3, 'assign': 4, 'original': 'a', 'assignee': 'c', 'seller_consents': True, 'buyer_consents': True, 'assignee_accepts': False, 'paid_units': 2, 'guarantee': 10, 'novation': False, 'approved_assignees': ['b'], 'banned': ['b'], 'assignments': [['b', 2], ['c', 1]], 'source_id': 'w1', 'new_id': 'w2', 'completed': False, 'escrow': 12, 'required_escrow': 8, 'assignment_fee': 2}, [False, False, False, False, False]), ('normal contract', {'award': 8, 'delivered': 3, 'assign': 4, 'original': 'a', 'assignee': 'b', 'seller_consents': True, 'buyer_consents': True, 'assignee_accepts': False, 'paid_units': 2, 'guarantee': 10, 'novation': False, 'approved_assignees': ['b'], 'banned': ['c'], 'assignments': [['b', 2], ['c', 1]], 'source_id': 'w1', 'new_id': 'w2', 'completed': False, 'escrow': 12, 'required_escrow': 8, 'assignment_fee': 2}, [True, True, True, True, True]), ('fee exceeds residual escrow', {'award': 8, 'delivered': 3, 'assign': 4, 'original': 'a', 'assignee': 'b', 'seller_consents': True, 'buyer_consents': True, 'assignee_accepts': False, 'paid_units': 2, 'guarantee': 10, 'novation': False, 'approved_assignees': ['b'], 'banned': ['c'], 'assignments': [['b', 2], ['c', 1]], 'source_id': 'w1', 'new_id': 'w2', 'completed': False, 'escrow': 9, 'required_escrow': 8, 'assignment_fee': 2}, [True, True, True, True, True]), ('all consents', {'award': 8, 'delivered': 3, 'assign': 4, 'original': 'a', 'assignee': 'b', 'seller_consents': True, 'buyer_consents': True, 'assignee_accepts': True, 'paid_units': 2, 'guarantee': 10, 'novation': False, 'approved_assignees': ['b'], 'banned': ['c'], 'assignments': [['b', 2], ['c', 1]], 'source_id': 'w1', 'new_id': 'w2', 'completed': False, 'escrow': 12, 'required_escrow': 8, 'assignment_fee': 2}, [True, True, True, True, True]), ('seller refuses', {'award': 8, 'delivered': 3, 'assign': 4, 'original': 'a', 'assignee': 'b', 'seller_consents': False, 'buyer_consents': True, 'assignee_accepts': False, 'paid_units': 2, 'guarantee': 10, 'novation': False, 'approved_assignees': ['b'], 'banned': ['c'], 'assignments': [['b', 2], ['c', 1]], 'source_id': 'w1', 'new_id': 'w2', 'completed': False, 'escrow': 12, 'required_escrow': 8, 'assignment_fee': 2}, [True, True, True, True, True]), ('buyer refuses', {'award': 8, 'delivered': 3, 'assign': 4, 'original': 'a', 'assignee': 'b', 'seller_consents': True, 'buyer_consents': False, 'assignee_accepts': False, 'paid_units': 2, 'guarantee': 10, 'novation': False, 'approved_assignees': ['b'], 'banned': ['c'], 'assignments': [['b', 2], ['c', 1]], 'source_id': 'w1', 'new_id': 'w2', 'completed': False, 'escrow': 12, 'required_escrow': 8, 'assignment_fee': 2}, [True, True, True, True, True]), ('overassignment', {'award': 8, 'delivered': 3, 'assign': 7, 'original': 'a', 'assignee': 'b', 'seller_consents': True, 'buyer_consents': True, 'assignee_accepts': False, 'paid_units': 2, 'guarantee': 10, 'novation': False, 'approved_assignees': ['b'], 'banned': ['c'], 'assignments': [['b', 2], ['c', 1]], 'source_id': 'w1', 'new_id': 'w2', 'completed': False, 'escrow': 12, 'required_escrow': 8, 'assignment_fee': 2}, [True, True, True, True, True]), ('all delivered', {'award': 8, 'delivered': 8, 'assign': 4, 'original': 'a', 'assignee': 'b', 'seller_consents': True, 'buyer_consents': True, 'assignee_accepts': False, 'paid_units': 2, 'guarantee': 10, 'novation': False, 'approved_assignees': ['b'], 'banned': ['c'], 'assignments': [['b', 2], ['c', 1]], 'source_id': 'w1', 'new_id': 'w2', 'completed': False, 'escrow': 12, 'required_escrow': 8, 'assignment_fee': 2}, [True, True, True, True, True])]\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))['assignee-admission'], 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-award-assignment-assignee-admission","generated_at":"2026-09-29T14:46:20.730637+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":"An approved-but-banned or unapproved assignee receives a regulated award.","sha256":"7a8e602eeb1976955d01a75490d3604b61e10b362c4e79b04656b2efc54ef447","title":"Award assignment: assignee admission · 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":43.374,"exit_code":1,"observations":[{"actual":false,"check":"approved banned assignee","expected":false,"passed":true},{"actual":false,"check":"approved banned assignee / fee exceeds residual escrow","expected":false,"passed":true},{"actual":true,"check":"unapproved unbanned assignee","expected":false,"passed":false},{"actual":true,"check":"approved banned assignee / banned assignee","expected":false,"passed":false},{"actual":true,"check":"normal contract","expected":true,"passed":true},{"actual":true,"check":"fee exceeds residual escrow","expected":true,"passed":true},{"actual":true,"check":"all consents","expected":true,"passed":true},{"actual":true,"check":"seller refuses","expected":true,"passed":true},{"actual":true,"check":"buyer refuses","expected":true,"passed":true},{"actual":true,"check":"overassignment","expected":true,"passed":true},{"actual":true,"check":"all delivered","expected":true,"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"approved banned assignee\", \"actual\": false, \"expected\": false, \"passed\": true}, {\"check\": \"approved banned assignee / fee exceeds residual escrow\", \"actual\": false, \"expected\": false, \"passed\": true}, {\"check\": \"unapproved unbanned assignee\", \"actual\": true, \"expected\": false, \"passed\": false}, {\"check\": \"approved banned assignee / banned assignee\", \"actual\": true, \"expected\": false, \"passed\": false}, {\"check\": \"normal contract\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"fee exceeds residual escrow\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"all consents\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"seller refuses\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"buyer refuses\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"overassignment\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"all delivered\", \"actual\": true, \"expected\": true, \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":41.848,"exit_code":1,"observations":[{"actual":true,"check":"approved banned assignee","expected":false,"passed":false},{"actual":true,"check":"approved banned assignee / fee exceeds residual escrow","expected":false,"passed":false},{"actual":false,"check":"unapproved unbanned assignee","expected":false,"passed":true},{"actual":false,"check":"approved banned assignee / banned assignee","expected":false,"passed":true},{"actual":true,"check":"normal contract","expected":true,"passed":true},{"actual":true,"check":"fee exceeds residual escrow","expected":true,"passed":true},{"actual":true,"check":"all consents","expected":true,"passed":true},{"actual":true,"check":"seller refuses","expected":true,"passed":true},{"actual":true,"check":"buyer refuses","expected":true,"passed":true},{"actual":true,"check":"overassignment","expected":true,"passed":true},{"actual":true,"check":"all delivered","expected":true,"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"approved banned assignee\", \"actual\": true, \"expected\": false, \"passed\": false}, {\"check\": \"approved banned assignee / fee exceeds residual escrow\", \"actual\": true, \"expected\": false, \"passed\": false}, {\"check\": \"unapproved unbanned assignee\", \"actual\": false, \"expected\": false, \"passed\": true}, {\"check\": \"approved banned assignee / banned assignee\", \"actual\": false, \"expected\": false, \"passed\": true}, {\"check\": \"normal contract\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"fee exceeds residual escrow\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"all consents\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"seller refuses\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"buyer refuses\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"overassignment\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"all delivered\", \"actual\": true, \"expected\": true, \"passed\": true}], \"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."}}