{"abstract":"Nested list numbering survives a parent item advance in the controlled document model.","category":"Document structure integrity","checks":6,"contract":"For levels 0 through 7, emit that level counter after incrementing it and reset all deeper counters to zero; skipped levels are legal.","evaluation_group":"model-b5b4fd49748b03c7","failed_approach":"Resetting only the immediate child leaves skipped deeper levels stale.","family":"z-documents-list-level-reset","id":"FA-11801","implementations":{"attempt":{"sha256":"82a65cbe2fb8d09dfc9ca45ed047ec992c20c1da78f5788247dc595da65488dc","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(levels):\n    counts=[0]*8\n    out=[]\n    for level in levels:\n        counts[level]+=1\n        if level+1<8: counts[level+1]=0\n        out.append(counts[level])\n    return out\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [(([0,2,2,0,2]+[2]*N,),[1,1,2,2,1]+list(range(2,N+2))), (([],),[]), (([0,0],),[1,2]), (([1,2,1,2],),[1,1,2,1]), (([7,7],),[1,2]), (([0,1,2,0,2],),[1,1,1,2,1])]\nfor i, (args, expected) in enumerate(fixtures):\n    check(\"document fixture \" + str(i), 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":"ffafdcc11629dade75922d839622d933f8201668cb489cedc408dc81211ae200","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(levels):\n    counts=[0]*8\n    out=[]\n    for level in levels:\n        counts[level]+=1\n        out.append(counts[level])\n    return out\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [(([0,2,2,0,2]+[2]*N,),[1,1,2,2,1]+list(range(2,N+2))), (([],),[]), (([0,0],),[1,2]), (([1,2,1,2],),[1,1,2,1]), (([7,7],),[1,2]), (([0,1,2,0,2],),[1,1,1,2,1])]\nfor i, (args, expected) in enumerate(fixtures):\n    check(\"document fixture \" + str(i), 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":"3ada181f9e5013f3323ff979265171c134f0d78defa3e4b5531697fb810e9a6a","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(levels):\n    counts=[0]*8\n    out=[]\n    for level in levels:\n        counts[level]+=1\n        for child in range(level+1,8): counts[child]=0\n        out.append(counts[level])\n    return out\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [(([0,2,2,0,2]+[2]*N,),[1,1,2,2,1]+list(range(2,N+2))), (([],),[]), (([0,0],),[1,2]), (([1,2,1,2],),[1,1,2,1]), (([7,7],),[1,2]), (([0,1,2,0,2],),[1,1,1,2,1])]\nfor i, (args, expected) in enumerate(fixtures):\n    check(\"document fixture \" + str(i), 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":"An offline simplified document model, not a claim of conformance to any office file format. 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":"z-documents-list-level-reset","generated_at":"2026-09-29T14:38:51.124904+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Structured editing must preserve document semantics independently of visual rendering.","repair":"Reset every deeper counter whenever a list item is emitted.","root_cause":"Counters are independent even though advancing an ancestor restarts descendant list levels.","sha256":"a923a92808334b7eef7dd60463e6d0b372c736bb4548098cebfdd94619eea43d","title":"Nested list numbering survives a parent item advance · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verification":{"attempt":{"elapsed_ms":37.471,"exit_code":1,"observations":[{"actual":[1,1,2,2,3,4],"check":"document fixture 0","expected":[1,1,2,2,1,2],"passed":false},{"actual":[],"check":"document fixture 1","expected":[],"passed":true},{"actual":[1,2],"check":"document fixture 2","expected":[1,2],"passed":true},{"actual":[1,1,2,1],"check":"document fixture 3","expected":[1,1,2,1],"passed":true},{"actual":[1,2],"check":"document fixture 4","expected":[1,2],"passed":true},{"actual":[1,1,1,2,2],"check":"document fixture 5","expected":[1,1,1,2,1],"passed":false}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"document fixture 0\", \"actual\": [1, 1, 2, 2, 3, 4], \"expected\": [1, 1, 2, 2, 1, 2], \"passed\": false}, {\"check\": \"document fixture 1\", \"actual\": [], \"expected\": [], \"passed\": true}, {\"check\": \"document fixture 2\", \"actual\": [1, 2], \"expected\": [1, 2], \"passed\": true}, {\"check\": \"document fixture 3\", \"actual\": [1, 1, 2, 1], \"expected\": [1, 1, 2, 1], \"passed\": true}, {\"check\": \"document fixture 4\", \"actual\": [1, 2], \"expected\": [1, 2], \"passed\": true}, {\"check\": \"document fixture 5\", \"actual\": [1, 1, 1, 2, 2], \"expected\": [1, 1, 1, 2, 1], \"passed\": false}], \"passed\": false}\n"},"broken":{"elapsed_ms":38.661,"exit_code":1,"observations":[{"actual":[1,1,2,2,3,4],"check":"document fixture 0","expected":[1,1,2,2,1,2],"passed":false},{"actual":[],"check":"document fixture 1","expected":[],"passed":true},{"actual":[1,2],"check":"document fixture 2","expected":[1,2],"passed":true},{"actual":[1,1,2,2],"check":"document fixture 3","expected":[1,1,2,1],"passed":false},{"actual":[1,2],"check":"document fixture 4","expected":[1,2],"passed":true},{"actual":[1,1,1,2,2],"check":"document fixture 5","expected":[1,1,1,2,1],"passed":false}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"document fixture 0\", \"actual\": [1, 1, 2, 2, 3, 4], \"expected\": [1, 1, 2, 2, 1, 2], \"passed\": false}, {\"check\": \"document fixture 1\", \"actual\": [], \"expected\": [], \"passed\": true}, {\"check\": \"document fixture 2\", \"actual\": [1, 2], \"expected\": [1, 2], \"passed\": true}, {\"check\": \"document fixture 3\", \"actual\": [1, 1, 2, 2], \"expected\": [1, 1, 2, 1], \"passed\": false}, {\"check\": \"document fixture 4\", \"actual\": [1, 2], \"expected\": [1, 2], \"passed\": true}, {\"check\": \"document fixture 5\", \"actual\": [1, 1, 1, 2, 2], \"expected\": [1, 1, 1, 2, 1], \"passed\": false}], \"passed\": false}\n"},"fixed":{"elapsed_ms":38.524,"exit_code":0,"observations":[{"actual":[1,1,2,2,1,2],"check":"document fixture 0","expected":[1,1,2,2,1,2],"passed":true},{"actual":[],"check":"document fixture 1","expected":[],"passed":true},{"actual":[1,2],"check":"document fixture 2","expected":[1,2],"passed":true},{"actual":[1,1,2,1],"check":"document fixture 3","expected":[1,1,2,1],"passed":true},{"actual":[1,2],"check":"document fixture 4","expected":[1,2],"passed":true},{"actual":[1,1,1,2,1],"check":"document fixture 5","expected":[1,1,1,2,1],"passed":true}],"passed":true,"stderr":"","stdout":"{\"observations\": [{\"check\": \"document fixture 0\", \"actual\": [1, 1, 2, 2, 1, 2], \"expected\": [1, 1, 2, 2, 1, 2], \"passed\": true}, {\"check\": \"document fixture 1\", \"actual\": [], \"expected\": [], \"passed\": true}, {\"check\": \"document fixture 2\", \"actual\": [1, 2], \"expected\": [1, 2], \"passed\": true}, {\"check\": \"document fixture 3\", \"actual\": [1, 1, 2, 1], \"expected\": [1, 1, 2, 1], \"passed\": true}, {\"check\": \"document fixture 4\", \"actual\": [1, 2], \"expected\": [1, 2], \"passed\": true}, {\"check\": \"document fixture 5\", \"actual\": [1, 1, 1, 2, 1], \"expected\": [1, 1, 1, 2, 1], \"passed\": true}], \"passed\": true}\n"}},"verified":true,"visibility":"public"}