{"abstract":"Floor 12 disappears instead of 13 in buildings with a mezzanine.","category":"Elevator dispatch scheduling","checks":8,"contract":"Physical indices 0..floors-1 are labelled bottom-up: basements Bk..B1, then G, then M if there is a mezzanine, then 1, 2, 3 ... skipping 13 when skip13. label:i returns the label of index i (None outside the range); index:L returns the index of label L (case-insensitive) or None.","evaluation_group":"w2-elevator_dispatch_scheduling-floor-label-mapping","failed_approach":"Skipping every multiple of 13 also drops 26.","family":"w2-elevator_dispatch_scheduling-floor-label-mapping-unlucky-floor-skip","id":"FA-67461","implementations":{"attempt":{"sha256":"3e9846eaf0d955cfd6ae1f87d36f418b9ddcee302fc95e377cde98e5cfe5a7a8","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    labels = ['B%d' % i for i in range(x['basements'], 0, -1)] + ['G']\n    if x['mezz']:\n        labels.append('M')\n    num = 1\n    while len(labels) < x['floors']:\n        if x['skip13'] and num % 13 == 0:\n            num += 1\n            continue\n        labels.append(str(num))\n        num += 1\n    out = []\n    for q in x['queries']:\n        kind, val = q.split(':')\n        if kind == 'label':\n            i = int(val)\n            out.append(labels[i] if 0 <= i < len(labels) else None)\n        else:\n            v = val.upper()\n            out.append(labels.index(v) if v in labels else None)\n    return out\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('sampled regression 18', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 18, 'queries': ['index:B1', 'label:-1', 'index:12', 'index:15', 'label:16', 'index:20']}, [0, None, 14, 16, '15', None]), ('boundary: twenty-six with skip', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 30, 'queries': ['label:26', 'label:27', 'index:26']}, ['27', '28', 25]), ('sampled regression 64', {'basements': 2, 'mezz': True, 'skip13': True, 'floors': 20, 'queries': ['index:b2', 'label:18', 'index:G', 'index:15', 'label:15', 'label:18']}, [0, '16', 2, 17, '12', '16']), ('boundary: two basements', {'basements': 2, 'mezz': False, 'skip13': True, 'floors': 8, 'queries': ['label:0', 'label:1', 'index:B1', 'index:B2']}, ['B2', 'B1', 1, 0]), ('boundary: thirteen skipped', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 16, 'queries': ['label:13', 'index:14', 'index:13']}, ['14', 13, None]), ('control 1', {'basements': 0, 'mezz': True, 'skip13': True, 'floors': 9, 'queries': ['label:2', 'index:B1', 'index:B1', 'label:9', 'index:15', 'label:9']}, ['1', None, None, None, None, None]), ('control 4', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 15, 'queries': ['index:B1', 'label:-1', 'index:g', 'label:13', 'index:13', 'index:14']}, [None, None, 0, '14', None, 13]), ('control 7', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 9, 'queries': ['index:G', 'index:B2', 'index:14', 'label:8', 'label:-1', 'label:5']}, [1, None, None, '6', None, '3'])], [('sampled regression 44', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 15, 'queries': ['label:-1', 'label:15', 'label:16', 'index:13', 'index:g', 'label:4']}, [None, None, None, None, 1, '2']), ('boundary: twenty-six with skip', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 30, 'queries': ['label:26', 'label:27', 'index:26']}, ['27', '28', 25]), ('sampled regression 71', {'basements': 2, 'mezz': True, 'skip13': True, 'floors': 16, 'queries': ['label:4', 'label:0', 'index:13', 'label:4', 'label:14', 'label:4']}, ['1', 'B2', None, '1', '11', '1']), ('boundary: thirteen kept', {'basements': 0, 'mezz': False, 'skip13': False, 'floors': 16, 'queries': ['label:13', 'index:13']}, ['13', 13]), ('boundary: negative index', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 10, 'queries': ['label:-1', 'label:0']}, [None, 'B1']), ('control 12', {'basements': 0, 'mezz': True, 'skip13': True, 'floors': 8, 'queries': ['index:B2', 'index:20', 'index:12', 'index:13', 'index:12', 'label:-1']}, [None, None, None, None, None, None]), ('control 15', {'basements': 2, 'mezz': True, 'skip13': True, 'floors': 15, 'queries': ['label:14', 'index:1', 'index:13', 'label:0', 'label:7', 'index:X']}, ['11', 4, None, 'B2', '4', None]), ('sampled regression 18', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 18, 'queries': ['index:B1', 'label:-1', 'index:12', 'index:15', 'label:16', 'index:20']}, [0, None, 14, 16, '15', None])], [('sampled regression 48', {'basements': 0, 'mezz': True, 'skip13': True, 'floors': 17, 'queries': ['label:8', 'label:5', 'index:m', 'label:13', 'label:-1', 'label:16']}, ['7', '4', 1, '12', None, '16']), ('boundary: twenty-six with skip', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 30, 'queries': ['label:26', 'label:27', 'index:26']}, ['27', '28', 25]), ('sampled regression 72', {'basements': 0, 'mezz': True, 'skip13': True, 'floors': 15, 'queries': ['label:12', 'index:13', 'label:-1', 'index:X', 'label:-1', 'label:-2']}, ['11', None, None, None, None, None]), ('boundary: ground floor index', {'basements': 0, 'mezz': True, 'skip13': True, 'floors': 10, 'queries': ['label:0', 'index:g', 'index:m']}, ['G', 0, 1]), ('boundary: index past the top', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 6, 'queries': ['label:6', 'label:5']}, [None, '5']), ('control 23', {'basements': 2, 'mezz': True, 'skip13': True, 'floors': 18, 'queries': ['index:B2', 'label:5', 'index:15', 'index:B1', 'index:b2', 'index:g']}, [0, '2', 17, 1, 0, 2]), ('control 26', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 8, 'queries': ['index:G', 'label:-1', 'label:6', 'label:3', 'index:G', 'label:-1']}, [1, None, '4', '1', 1, None]), ('control 29', {'basements': 1, 'mezz': False, 'skip13': False, 'floors': 14, 'queries': ['label:11', 'label:6', 'label:14', 'label:2', 'index:b2', 'index:M']}, ['10', '5', None, '1', None, None])], [('sampled regression 64', {'basements': 2, 'mezz': True, 'skip13': True, 'floors': 20, 'queries': ['index:b2', 'label:18', 'index:G', 'index:15', 'label:15', 'label:18']}, [0, '16', 2, 17, '12', '16']), ('boundary: twenty-six with skip', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 30, 'queries': ['label:26', 'label:27', 'index:26']}, ['27', '28', 25]), ('sampled regression 18', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 18, 'queries': ['index:B1', 'label:-1', 'index:12', 'index:15', 'label:16', 'index:20']}, [0, None, 14, 16, '15', None]), ('boundary: index past the top', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 6, 'queries': ['label:6', 'label:5']}, [None, '5']), ('boundary: two basements', {'basements': 2, 'mezz': False, 'skip13': True, 'floors': 8, 'queries': ['label:0', 'label:1', 'index:B1', 'index:B2']}, ['B2', 'B1', 1, 0]), ('control 34', {'basements': 0, 'mezz': False, 'skip13': False, 'floors': 6, 'queries': ['index:B2', 'index:M', 'label:4', 'index:13', 'label:-2', 'label:5']}, [None, None, '4', None, None, '5']), ('control 37', {'basements': 1, 'mezz': False, 'skip13': True, 'floors': 19, 'queries': ['label:15', 'index:17', 'label:5', 'index:15', 'index:M', 'index:B1']}, ['15', 17, '4', 15, None, 0]), ('control 40', {'basements': 1, 'mezz': True, 'skip13': False, 'floors': 13, 'queries': ['index:B2', 'index:B2', 'index:g', 'index:17', 'index:17', 'label:13']}, [None, None, 1, None, None, None])], [('sampled regression 71', {'basements': 2, 'mezz': True, 'skip13': True, 'floors': 16, 'queries': ['label:4', 'label:0', 'index:13', 'label:4', 'label:14', 'label:4']}, ['1', 'B2', None, '1', '11', '1']), ('boundary: twenty-six with skip', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 30, 'queries': ['label:26', 'label:27', 'index:26']}, ['27', '28', 25]), ('sampled regression 44', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 15, 'queries': ['label:-1', 'label:15', 'label:16', 'index:13', 'index:g', 'label:4']}, [None, None, None, None, 1, '2']), ('boundary: thirteen skipped', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 16, 'queries': ['label:13', 'index:14', 'index:13']}, ['14', 13, None]), ('boundary: thirteen kept', {'basements': 0, 'mezz': False, 'skip13': False, 'floors': 16, 'queries': ['label:13', 'index:13']}, ['13', 13]), ('control 45', {'basements': 0, 'mezz': False, 'skip13': False, 'floors': 6, 'queries': ['index:m', 'index:15', 'label:4', 'index:g', 'index:17', 'label:7']}, [None, None, '4', 0, None, None]), ('sampled regression 48', {'basements': 0, 'mezz': True, 'skip13': True, 'floors': 17, 'queries': ['label:8', 'label:5', 'index:m', 'label:13', 'label:-1', 'label:16']}, ['7', '4', 1, '12', None, '16']), ('control 51', {'basements': 2, 'mezz': False, 'skip13': False, 'floors': 10, 'queries': ['label:6', 'label:-2', 'label:8', 'label:-2', 'label:7', 'index:B1']}, ['4', None, '6', None, '5', 1])]]\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":"7ae5ed765450c10bcbc169713497094c012b0a3a7ac7cab757709b440c8671c1","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    labels = ['B%d' % i for i in range(x['basements'], 0, -1)] + ['G']\n    if x['mezz']:\n        labels.append('M')\n    num = 1\n    while len(labels) < x['floors']:\n        if x['skip13'] and num + (1 if x['mezz'] else 0) == 13:\n            num += 1\n            continue\n        labels.append(str(num))\n        num += 1\n    out = []\n    for q in x['queries']:\n        kind, val = q.split(':')\n        if kind == 'label':\n            i = int(val)\n            out.append(labels[i] if 0 <= i < len(labels) else None)\n        else:\n            v = val.upper()\n            out.append(labels.index(v) if v in labels else None)\n    return out\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('sampled regression 18', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 18, 'queries': ['index:B1', 'label:-1', 'index:12', 'index:15', 'label:16', 'index:20']}, [0, None, 14, 16, '15', None]), ('boundary: twenty-six with skip', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 30, 'queries': ['label:26', 'label:27', 'index:26']}, ['27', '28', 25]), ('sampled regression 64', {'basements': 2, 'mezz': True, 'skip13': True, 'floors': 20, 'queries': ['index:b2', 'label:18', 'index:G', 'index:15', 'label:15', 'label:18']}, [0, '16', 2, 17, '12', '16']), ('boundary: two basements', {'basements': 2, 'mezz': False, 'skip13': True, 'floors': 8, 'queries': ['label:0', 'label:1', 'index:B1', 'index:B2']}, ['B2', 'B1', 1, 0]), ('boundary: thirteen skipped', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 16, 'queries': ['label:13', 'index:14', 'index:13']}, ['14', 13, None]), ('control 1', {'basements': 0, 'mezz': True, 'skip13': True, 'floors': 9, 'queries': ['label:2', 'index:B1', 'index:B1', 'label:9', 'index:15', 'label:9']}, ['1', None, None, None, None, None]), ('control 4', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 15, 'queries': ['index:B1', 'label:-1', 'index:g', 'label:13', 'index:13', 'index:14']}, [None, None, 0, '14', None, 13]), ('control 7', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 9, 'queries': ['index:G', 'index:B2', 'index:14', 'label:8', 'label:-1', 'label:5']}, [1, None, None, '6', None, '3'])], [('sampled regression 44', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 15, 'queries': ['label:-1', 'label:15', 'label:16', 'index:13', 'index:g', 'label:4']}, [None, None, None, None, 1, '2']), ('boundary: twenty-six with skip', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 30, 'queries': ['label:26', 'label:27', 'index:26']}, ['27', '28', 25]), ('sampled regression 71', {'basements': 2, 'mezz': True, 'skip13': True, 'floors': 16, 'queries': ['label:4', 'label:0', 'index:13', 'label:4', 'label:14', 'label:4']}, ['1', 'B2', None, '1', '11', '1']), ('boundary: thirteen kept', {'basements': 0, 'mezz': False, 'skip13': False, 'floors': 16, 'queries': ['label:13', 'index:13']}, ['13', 13]), ('boundary: negative index', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 10, 'queries': ['label:-1', 'label:0']}, [None, 'B1']), ('control 12', {'basements': 0, 'mezz': True, 'skip13': True, 'floors': 8, 'queries': ['index:B2', 'index:20', 'index:12', 'index:13', 'index:12', 'label:-1']}, [None, None, None, None, None, None]), ('control 15', {'basements': 2, 'mezz': True, 'skip13': True, 'floors': 15, 'queries': ['label:14', 'index:1', 'index:13', 'label:0', 'label:7', 'index:X']}, ['11', 4, None, 'B2', '4', None]), ('sampled regression 18', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 18, 'queries': ['index:B1', 'label:-1', 'index:12', 'index:15', 'label:16', 'index:20']}, [0, None, 14, 16, '15', None])], [('sampled regression 48', {'basements': 0, 'mezz': True, 'skip13': True, 'floors': 17, 'queries': ['label:8', 'label:5', 'index:m', 'label:13', 'label:-1', 'label:16']}, ['7', '4', 1, '12', None, '16']), ('boundary: twenty-six with skip', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 30, 'queries': ['label:26', 'label:27', 'index:26']}, ['27', '28', 25]), ('sampled regression 72', {'basements': 0, 'mezz': True, 'skip13': True, 'floors': 15, 'queries': ['label:12', 'index:13', 'label:-1', 'index:X', 'label:-1', 'label:-2']}, ['11', None, None, None, None, None]), ('boundary: ground floor index', {'basements': 0, 'mezz': True, 'skip13': True, 'floors': 10, 'queries': ['label:0', 'index:g', 'index:m']}, ['G', 0, 1]), ('boundary: index past the top', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 6, 'queries': ['label:6', 'label:5']}, [None, '5']), ('control 23', {'basements': 2, 'mezz': True, 'skip13': True, 'floors': 18, 'queries': ['index:B2', 'label:5', 'index:15', 'index:B1', 'index:b2', 'index:g']}, [0, '2', 17, 1, 0, 2]), ('control 26', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 8, 'queries': ['index:G', 'label:-1', 'label:6', 'label:3', 'index:G', 'label:-1']}, [1, None, '4', '1', 1, None]), ('control 29', {'basements': 1, 'mezz': False, 'skip13': False, 'floors': 14, 'queries': ['label:11', 'label:6', 'label:14', 'label:2', 'index:b2', 'index:M']}, ['10', '5', None, '1', None, None])], [('sampled regression 64', {'basements': 2, 'mezz': True, 'skip13': True, 'floors': 20, 'queries': ['index:b2', 'label:18', 'index:G', 'index:15', 'label:15', 'label:18']}, [0, '16', 2, 17, '12', '16']), ('boundary: twenty-six with skip', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 30, 'queries': ['label:26', 'label:27', 'index:26']}, ['27', '28', 25]), ('sampled regression 18', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 18, 'queries': ['index:B1', 'label:-1', 'index:12', 'index:15', 'label:16', 'index:20']}, [0, None, 14, 16, '15', None]), ('boundary: index past the top', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 6, 'queries': ['label:6', 'label:5']}, [None, '5']), ('boundary: two basements', {'basements': 2, 'mezz': False, 'skip13': True, 'floors': 8, 'queries': ['label:0', 'label:1', 'index:B1', 'index:B2']}, ['B2', 'B1', 1, 0]), ('control 34', {'basements': 0, 'mezz': False, 'skip13': False, 'floors': 6, 'queries': ['index:B2', 'index:M', 'label:4', 'index:13', 'label:-2', 'label:5']}, [None, None, '4', None, None, '5']), ('control 37', {'basements': 1, 'mezz': False, 'skip13': True, 'floors': 19, 'queries': ['label:15', 'index:17', 'label:5', 'index:15', 'index:M', 'index:B1']}, ['15', 17, '4', 15, None, 0]), ('control 40', {'basements': 1, 'mezz': True, 'skip13': False, 'floors': 13, 'queries': ['index:B2', 'index:B2', 'index:g', 'index:17', 'index:17', 'label:13']}, [None, None, 1, None, None, None])], [('sampled regression 71', {'basements': 2, 'mezz': True, 'skip13': True, 'floors': 16, 'queries': ['label:4', 'label:0', 'index:13', 'label:4', 'label:14', 'label:4']}, ['1', 'B2', None, '1', '11', '1']), ('boundary: twenty-six with skip', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 30, 'queries': ['label:26', 'label:27', 'index:26']}, ['27', '28', 25]), ('sampled regression 44', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 15, 'queries': ['label:-1', 'label:15', 'label:16', 'index:13', 'index:g', 'label:4']}, [None, None, None, None, 1, '2']), ('boundary: thirteen skipped', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 16, 'queries': ['label:13', 'index:14', 'index:13']}, ['14', 13, None]), ('boundary: thirteen kept', {'basements': 0, 'mezz': False, 'skip13': False, 'floors': 16, 'queries': ['label:13', 'index:13']}, ['13', 13]), ('control 45', {'basements': 0, 'mezz': False, 'skip13': False, 'floors': 6, 'queries': ['index:m', 'index:15', 'label:4', 'index:g', 'index:17', 'label:7']}, [None, None, '4', 0, None, None]), ('sampled regression 48', {'basements': 0, 'mezz': True, 'skip13': True, 'floors': 17, 'queries': ['label:8', 'label:5', 'index:m', 'label:13', 'label:-1', 'label:16']}, ['7', '4', 1, '12', None, '16']), ('control 51', {'basements': 2, 'mezz': False, 'skip13': False, 'floors': 10, 'queries': ['label:6', 'label:-2', 'label:8', 'label:-2', 'label:7', 'index:B1']}, ['4', None, '6', None, '5', 1])]]\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":"03aea883a9c3b57f6bc9ca5318f01eb58b85cca0613d6dcf6f6bbbbec5b53e9f","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    labels = ['B%d' % i for i in range(x['basements'], 0, -1)] + ['G']\n    if x['mezz']:\n        labels.append('M')\n    num = 1\n    while len(labels) < x['floors']:\n        if x['skip13'] and num == 13:\n            num += 1\n            continue\n        labels.append(str(num))\n        num += 1\n    out = []\n    for q in x['queries']:\n        kind, val = q.split(':')\n        if kind == 'label':\n            i = int(val)\n            out.append(labels[i] if 0 <= i < len(labels) else None)\n        else:\n            v = val.upper()\n            out.append(labels.index(v) if v in labels else None)\n    return out\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('sampled regression 18', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 18, 'queries': ['index:B1', 'label:-1', 'index:12', 'index:15', 'label:16', 'index:20']}, [0, None, 14, 16, '15', None]), ('boundary: twenty-six with skip', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 30, 'queries': ['label:26', 'label:27', 'index:26']}, ['27', '28', 25]), ('sampled regression 64', {'basements': 2, 'mezz': True, 'skip13': True, 'floors': 20, 'queries': ['index:b2', 'label:18', 'index:G', 'index:15', 'label:15', 'label:18']}, [0, '16', 2, 17, '12', '16']), ('boundary: two basements', {'basements': 2, 'mezz': False, 'skip13': True, 'floors': 8, 'queries': ['label:0', 'label:1', 'index:B1', 'index:B2']}, ['B2', 'B1', 1, 0]), ('boundary: thirteen skipped', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 16, 'queries': ['label:13', 'index:14', 'index:13']}, ['14', 13, None]), ('control 1', {'basements': 0, 'mezz': True, 'skip13': True, 'floors': 9, 'queries': ['label:2', 'index:B1', 'index:B1', 'label:9', 'index:15', 'label:9']}, ['1', None, None, None, None, None]), ('control 4', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 15, 'queries': ['index:B1', 'label:-1', 'index:g', 'label:13', 'index:13', 'index:14']}, [None, None, 0, '14', None, 13]), ('control 7', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 9, 'queries': ['index:G', 'index:B2', 'index:14', 'label:8', 'label:-1', 'label:5']}, [1, None, None, '6', None, '3'])], [('sampled regression 44', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 15, 'queries': ['label:-1', 'label:15', 'label:16', 'index:13', 'index:g', 'label:4']}, [None, None, None, None, 1, '2']), ('boundary: twenty-six with skip', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 30, 'queries': ['label:26', 'label:27', 'index:26']}, ['27', '28', 25]), ('sampled regression 71', {'basements': 2, 'mezz': True, 'skip13': True, 'floors': 16, 'queries': ['label:4', 'label:0', 'index:13', 'label:4', 'label:14', 'label:4']}, ['1', 'B2', None, '1', '11', '1']), ('boundary: thirteen kept', {'basements': 0, 'mezz': False, 'skip13': False, 'floors': 16, 'queries': ['label:13', 'index:13']}, ['13', 13]), ('boundary: negative index', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 10, 'queries': ['label:-1', 'label:0']}, [None, 'B1']), ('control 12', {'basements': 0, 'mezz': True, 'skip13': True, 'floors': 8, 'queries': ['index:B2', 'index:20', 'index:12', 'index:13', 'index:12', 'label:-1']}, [None, None, None, None, None, None]), ('control 15', {'basements': 2, 'mezz': True, 'skip13': True, 'floors': 15, 'queries': ['label:14', 'index:1', 'index:13', 'label:0', 'label:7', 'index:X']}, ['11', 4, None, 'B2', '4', None]), ('sampled regression 18', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 18, 'queries': ['index:B1', 'label:-1', 'index:12', 'index:15', 'label:16', 'index:20']}, [0, None, 14, 16, '15', None])], [('sampled regression 48', {'basements': 0, 'mezz': True, 'skip13': True, 'floors': 17, 'queries': ['label:8', 'label:5', 'index:m', 'label:13', 'label:-1', 'label:16']}, ['7', '4', 1, '12', None, '16']), ('boundary: twenty-six with skip', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 30, 'queries': ['label:26', 'label:27', 'index:26']}, ['27', '28', 25]), ('sampled regression 72', {'basements': 0, 'mezz': True, 'skip13': True, 'floors': 15, 'queries': ['label:12', 'index:13', 'label:-1', 'index:X', 'label:-1', 'label:-2']}, ['11', None, None, None, None, None]), ('boundary: ground floor index', {'basements': 0, 'mezz': True, 'skip13': True, 'floors': 10, 'queries': ['label:0', 'index:g', 'index:m']}, ['G', 0, 1]), ('boundary: index past the top', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 6, 'queries': ['label:6', 'label:5']}, [None, '5']), ('control 23', {'basements': 2, 'mezz': True, 'skip13': True, 'floors': 18, 'queries': ['index:B2', 'label:5', 'index:15', 'index:B1', 'index:b2', 'index:g']}, [0, '2', 17, 1, 0, 2]), ('control 26', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 8, 'queries': ['index:G', 'label:-1', 'label:6', 'label:3', 'index:G', 'label:-1']}, [1, None, '4', '1', 1, None]), ('control 29', {'basements': 1, 'mezz': False, 'skip13': False, 'floors': 14, 'queries': ['label:11', 'label:6', 'label:14', 'label:2', 'index:b2', 'index:M']}, ['10', '5', None, '1', None, None])], [('sampled regression 64', {'basements': 2, 'mezz': True, 'skip13': True, 'floors': 20, 'queries': ['index:b2', 'label:18', 'index:G', 'index:15', 'label:15', 'label:18']}, [0, '16', 2, 17, '12', '16']), ('boundary: twenty-six with skip', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 30, 'queries': ['label:26', 'label:27', 'index:26']}, ['27', '28', 25]), ('sampled regression 18', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 18, 'queries': ['index:B1', 'label:-1', 'index:12', 'index:15', 'label:16', 'index:20']}, [0, None, 14, 16, '15', None]), ('boundary: index past the top', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 6, 'queries': ['label:6', 'label:5']}, [None, '5']), ('boundary: two basements', {'basements': 2, 'mezz': False, 'skip13': True, 'floors': 8, 'queries': ['label:0', 'label:1', 'index:B1', 'index:B2']}, ['B2', 'B1', 1, 0]), ('control 34', {'basements': 0, 'mezz': False, 'skip13': False, 'floors': 6, 'queries': ['index:B2', 'index:M', 'label:4', 'index:13', 'label:-2', 'label:5']}, [None, None, '4', None, None, '5']), ('control 37', {'basements': 1, 'mezz': False, 'skip13': True, 'floors': 19, 'queries': ['label:15', 'index:17', 'label:5', 'index:15', 'index:M', 'index:B1']}, ['15', 17, '4', 15, None, 0]), ('control 40', {'basements': 1, 'mezz': True, 'skip13': False, 'floors': 13, 'queries': ['index:B2', 'index:B2', 'index:g', 'index:17', 'index:17', 'label:13']}, [None, None, 1, None, None, None])], [('sampled regression 71', {'basements': 2, 'mezz': True, 'skip13': True, 'floors': 16, 'queries': ['label:4', 'label:0', 'index:13', 'label:4', 'label:14', 'label:4']}, ['1', 'B2', None, '1', '11', '1']), ('boundary: twenty-six with skip', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 30, 'queries': ['label:26', 'label:27', 'index:26']}, ['27', '28', 25]), ('sampled regression 44', {'basements': 1, 'mezz': True, 'skip13': True, 'floors': 15, 'queries': ['label:-1', 'label:15', 'label:16', 'index:13', 'index:g', 'label:4']}, [None, None, None, None, 1, '2']), ('boundary: thirteen skipped', {'basements': 0, 'mezz': False, 'skip13': True, 'floors': 16, 'queries': ['label:13', 'index:14', 'index:13']}, ['14', 13, None]), ('boundary: thirteen kept', {'basements': 0, 'mezz': False, 'skip13': False, 'floors': 16, 'queries': ['label:13', 'index:13']}, ['13', 13]), ('control 45', {'basements': 0, 'mezz': False, 'skip13': False, 'floors': 6, 'queries': ['index:m', 'index:15', 'label:4', 'index:g', 'index:17', 'label:7']}, [None, None, '4', 0, None, None]), ('sampled regression 48', {'basements': 0, 'mezz': True, 'skip13': True, 'floors': 17, 'queries': ['label:8', 'label:5', 'index:m', 'label:13', 'label:-1', 'label:16']}, ['7', '4', 1, '12', None, '16']), ('control 51', {'basements': 2, 'mezz': False, 'skip13': False, 'floors': 10, 'queries': ['label:6', 'label:-2', 'label:8', 'label:-2', 'label:7', 'index:B1']}, ['4', None, '6', None, '5', 1])]]\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 toy lift-control contract for a bounded teaching model; it makes no claim of conformance to any lift code or vendor dispatcher and omits real safety cases. 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-elevator_dispatch_scheduling-floor-label-mapping-unlucky-floor-skip","generated_at":"2026-09-29T14:47:53.119777+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Lift group controllers make these decisions many times per minute; a wrong answer strands passengers, wastes trips or overrides a safety rule.","repair":"Skip the label number 13 itself.","root_cause":"The mezzanine is counted as a numbered storey when deciding which label to skip.","sha256":"b76d1026cb3dba0a270dc3dfb5d6908b4544ee120a8e4f36cd21049a88fb8d15","title":"Floor label and index mapping: unlucky floor skip · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verification":{"attempt":{"elapsed_ms":40.078,"exit_code":1,"observations":[{"actual":[0,null,14,16,"15",null],"check":"sampled regression 18","expected":[0,null,14,16,"15",null],"passed":true},{"actual":["28","29",null],"check":"boundary: twenty-six with skip","expected":["27","28",25],"passed":false},{"actual":[0,"16",2,17,"12","16"],"check":"sampled regression 64","expected":[0,"16",2,17,"12","16"],"passed":true},{"actual":["B2","B1",1,0],"check":"boundary: two basements","expected":["B2","B1",1,0],"passed":true},{"actual":["14",13,null],"check":"boundary: thirteen skipped","expected":["14",13,null],"passed":true},{"actual":["1",null,null,null,null,null],"check":"control 1","expected":["1",null,null,null,null,null],"passed":true},{"actual":[null,null,0,"14",null,13],"check":"control 4","expected":[null,null,0,"14",null,13],"passed":true},{"actual":[1,null,null,"6",null,"3"],"check":"control 7","expected":[1,null,null,"6",null,"3"],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"sampled regression 18\", \"actual\": [0, null, 14, 16, \"15\", null], \"expected\": [0, null, 14, 16, \"15\", null], \"passed\": true}, {\"check\": \"boundary: twenty-six with skip\", \"actual\": [\"28\", \"29\", null], \"expected\": [\"27\", \"28\", 25], \"passed\": false}, {\"check\": \"sampled regression 64\", \"actual\": [0, \"16\", 2, 17, \"12\", \"16\"], \"expected\": [0, \"16\", 2, 17, \"12\", \"16\"], \"passed\": true}, {\"check\": \"boundary: two basements\", \"actual\": [\"B2\", \"B1\", 1, 0], \"expected\": [\"B2\", \"B1\", 1, 0], \"passed\": true}, {\"check\": \"boundary: thirteen skipped\", \"actual\": [\"14\", 13, null], \"expected\": [\"14\", 13, null], \"passed\": true}, {\"check\": \"control 1\", \"actual\": [\"1\", null, null, null, null, null], \"expected\": [\"1\", null, null, null, null, null], \"passed\": true}, {\"check\": \"control 4\", \"actual\": [null, null, 0, \"14\", null, 13], \"expected\": [null, null, 0, \"14\", null, 13], \"passed\": true}, {\"check\": \"control 7\", \"actual\": [1, null, null, \"6\", null, \"3\"], \"expected\": [1, null, null, \"6\", null, \"3\"], \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":40.841,"exit_code":1,"observations":[{"actual":[0,null,null,16,"15",null],"check":"sampled regression 18","expected":[0,null,14,16,"15",null],"passed":false},{"actual":["27","28",25],"check":"boundary: twenty-six with skip","expected":["27","28",25],"passed":true},{"actual":[0,"16",2,17,"13","16"],"check":"sampled regression 64","expected":[0,"16",2,17,"12","16"],"passed":false},{"actual":["B2","B1",1,0],"check":"boundary: two basements","expected":["B2","B1",1,0],"passed":true},{"actual":["14",13,null],"check":"boundary: thirteen skipped","expected":["14",13,null],"passed":true},{"actual":["1",null,null,null,null,null],"check":"control 1","expected":["1",null,null,null,null,null],"passed":true},{"actual":[null,null,0,"14",null,13],"check":"control 4","expected":[null,null,0,"14",null,13],"passed":true},{"actual":[1,null,null,"6",null,"3"],"check":"control 7","expected":[1,null,null,"6",null,"3"],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"sampled regression 18\", \"actual\": [0, null, null, 16, \"15\", null], \"expected\": [0, null, 14, 16, \"15\", null], \"passed\": false}, {\"check\": \"boundary: twenty-six with skip\", \"actual\": [\"27\", \"28\", 25], \"expected\": [\"27\", \"28\", 25], \"passed\": true}, {\"check\": \"sampled regression 64\", \"actual\": [0, \"16\", 2, 17, \"13\", \"16\"], \"expected\": [0, \"16\", 2, 17, \"12\", \"16\"], \"passed\": false}, {\"check\": \"boundary: two basements\", \"actual\": [\"B2\", \"B1\", 1, 0], \"expected\": [\"B2\", \"B1\", 1, 0], \"passed\": true}, {\"check\": \"boundary: thirteen skipped\", \"actual\": [\"14\", 13, null], \"expected\": [\"14\", 13, null], \"passed\": true}, {\"check\": \"control 1\", \"actual\": [\"1\", null, null, null, null, null], \"expected\": [\"1\", null, null, null, null, null], \"passed\": true}, {\"check\": \"control 4\", \"actual\": [null, null, 0, \"14\", null, 13], \"expected\": [null, null, 0, \"14\", null, 13], \"passed\": true}, {\"check\": \"control 7\", \"actual\": [1, null, null, \"6\", null, \"3\"], \"expected\": [1, null, null, \"6\", null, \"3\"], \"passed\": true}], \"passed\": false}\n"},"fixed":{"elapsed_ms":39.527,"exit_code":0,"observations":[{"actual":[0,null,14,16,"15",null],"check":"sampled regression 18","expected":[0,null,14,16,"15",null],"passed":true},{"actual":["27","28",25],"check":"boundary: twenty-six with skip","expected":["27","28",25],"passed":true},{"actual":[0,"16",2,17,"12","16"],"check":"sampled regression 64","expected":[0,"16",2,17,"12","16"],"passed":true},{"actual":["B2","B1",1,0],"check":"boundary: two basements","expected":["B2","B1",1,0],"passed":true},{"actual":["14",13,null],"check":"boundary: thirteen skipped","expected":["14",13,null],"passed":true},{"actual":["1",null,null,null,null,null],"check":"control 1","expected":["1",null,null,null,null,null],"passed":true},{"actual":[null,null,0,"14",null,13],"check":"control 4","expected":[null,null,0,"14",null,13],"passed":true},{"actual":[1,null,null,"6",null,"3"],"check":"control 7","expected":[1,null,null,"6",null,"3"],"passed":true}],"passed":true,"stderr":"","stdout":"{\"observations\": [{\"check\": \"sampled regression 18\", \"actual\": [0, null, 14, 16, \"15\", null], \"expected\": [0, null, 14, 16, \"15\", null], \"passed\": true}, {\"check\": \"boundary: twenty-six with skip\", \"actual\": [\"27\", \"28\", 25], \"expected\": [\"27\", \"28\", 25], \"passed\": true}, {\"check\": \"sampled regression 64\", \"actual\": [0, \"16\", 2, 17, \"12\", \"16\"], \"expected\": [0, \"16\", 2, 17, \"12\", \"16\"], \"passed\": true}, {\"check\": \"boundary: two basements\", \"actual\": [\"B2\", \"B1\", 1, 0], \"expected\": [\"B2\", \"B1\", 1, 0], \"passed\": true}, {\"check\": \"boundary: thirteen skipped\", \"actual\": [\"14\", 13, null], \"expected\": [\"14\", 13, null], \"passed\": true}, {\"check\": \"control 1\", \"actual\": [\"1\", null, null, null, null, null], \"expected\": [\"1\", null, null, null, null, null], \"passed\": true}, {\"check\": \"control 4\", \"actual\": [null, null, 0, \"14\", null, 13], \"expected\": [null, null, 0, \"14\", null, 13], \"passed\": true}, {\"check\": \"control 7\", \"actual\": [1, null, null, \"6\", null, \"3\"], \"expected\": [1, null, null, \"6\", null, \"3\"], \"passed\": true}], \"passed\": true}\n"}},"verified":true,"visibility":"public"}