{"abstract":"Rooms at capacity are flagged.","category":"Exam timetabling constraints","checks":8,"contract":"placements [exam, room, seats]; rooms room -> [capacity, features]; needs exam -> required features. Features compare case-insensitively. Report [exam, room, \"features\", sorted missing] for each placement lacking features, then [\"*\", room, \"capacity\", [load, capacity]] for rooms whose total placed seats exceed capacity.","contract_signature":"placements, rooms, needs","evaluation_group":"w2-exam-timetabling-constraints-room-suitability-and-load","failed_approach":"Allowing one extra seat hides genuine overfill.","family":"w2-exam-timetabling-constraints-room-suitability-and-load-capacity-boundary","id":"FA-94781","implementations":{"attempt":{"sha256":"34ba220f519d34084c3426f949fa1700b09128e43caf44b2a19a27e05a06a2d8","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(placements, rooms, needs):\n    out = []\n    load = {}\n    for ex, room, seats in placements:\n        cap, fl = rooms[room]\n        have = {f.lower() for f in fl}\n        miss = sorted({f.lower() for f in needs.get(ex, [])} - have)\n        if miss:\n            out.append([ex, room, 'features', miss])\n        load[room] = load.get(room, 0) + seats\n    for room in sorted(load):\n        if load[room] > rooms[room][0] + 1:\n            out.append(['*', room, 'capacity', [load[room], rooms[room][0]]])\n    return out\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('regression: capacity boundary 1',\n   [[['A', 'R1', 2]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'A': ['computers']}],\n   []),\n  ('regression variant: capacity boundary 2',\n   [[['PHYS110', 'R2', 3], ['PHYS110', 'R3', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['accessible'],\n     'MATH101H': ['accessible'],\n     'PHYS110': ['computers'],\n     'CHEM120': ['accessible', 'Lab']}],\n   [['PHYS110', 'R2', 'features', ['computers']], ['PHYS110', 'R3', 'features', ['computers']],\n    ['*', 'R3', 'capacity', [3, 1]]]),\n  ('partial repair guard 3',\n   [[['MATH101', 'R2', 1], ['MATH101H', 'R3', 3], ['MATH101H', 'R1', 1], ['MATH101H', 'R1', 2],\n     ['MATH101', 'R3', 2]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['Lab', 'computers'], 'MATH101H': ['accessible'], 'PHYS110': [], 'CHEM120': ['Lab']}],\n   [['MATH101', 'R2', 'features', ['computers']], ['MATH101H', 'R3', 'features', ['accessible']],\n    ['MATH101', 'R3', 'features', ['computers', 'lab']], ['*', 'R1', 'capacity', [3, 2]],\n    ['*', 'R3', 'capacity', [5, 1]]]),\n  ('boundary control 4',\n   [[['A', 'R2', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'A': ['Lab']}],\n   []),\n  ('normal control 5',\n   [[['MATH101', 'R1', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': [], 'PHYS110': ['Lab'], 'CHEM120': ['accessible']}],\n   [['*', 'R1', 'capacity', [3, 2]]]),\n  ('normal control 6',\n   [[['MATH101', 'R4', 1], ['MATH101', 'R4', 1], ['MATH101', 'R3', 1], ['MATH101H', 'R4', 1],\n     ['CHEM120', 'R2', 2]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['accessible'], 'MATH101H': ['computers'], 'PHYS110': [], 'CHEM120': ['Lab']}],\n   [['MATH101', 'R3', 'features', ['accessible']], ['MATH101H', 'R4', 'features', ['computers']]]),\n  ('normal control 7',\n   [[['MATH101', 'R4', 2], ['PHYS110', 'R3', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['computers', 'accessible'],\n     'MATH101H': ['computers', 'accessible'],\n     'PHYS110': ['Lab', 'accessible'],\n     'CHEM120': ['computers']}],\n   [['MATH101', 'R4', 'features', ['computers']], ['PHYS110', 'R3', 'features', ['accessible', 'lab']],\n    ['*', 'R3', 'capacity', [3, 1]]]),\n  ('normal control 8',\n   [[['MATH101', 'R1', 1], ['MATH101', 'R3', 2], ['MATH101', 'R2', 3], ['MATH101H', 'R1', 3],\n     ['CHEM120', 'R1', 2]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['Lab'], 'MATH101H': ['computers', 'accessible'], 'PHYS110': [], 'CHEM120': ['accessible']}],\n   [['MATH101', 'R1', 'features', ['lab']], ['MATH101', 'R3', 'features', ['lab']],\n    ['*', 'R1', 'capacity', [6, 2]], ['*', 'R3', 'capacity', [2, 1]]])],\n [('regression: capacity boundary 1',\n   [[['A', 'R3', 1]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'A': ['Lab']}],\n   [['A', 'R3', 'features', ['lab']]]),\n  ('regression variant: capacity boundary 2',\n   [[['CHEM120', 'R2', 2], ['MATH101H', 'R3', 1], ['MATH101H', 'R1', 1]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': [], 'MATH101H': ['Lab'], 'PHYS110': ['computers', 'accessible']}],\n   [['MATH101H', 'R3', 'features', ['lab']], ['MATH101H', 'R1', 'features', ['lab']]]),\n  ('partial repair guard 3',\n   [[['PHYS110', 'R3', 1], ['MATH101H', 'R1', 3], ['MATH101', 'R3', 1], ['MATH101H', 'R4', 3],\n     ['MATH101H', 'R3', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101H': ['computers'], 'PHYS110': [], 'CHEM120': ['accessible', 'computers']}],\n   [['MATH101H', 'R4', 'features', ['computers']], ['MATH101H', 'R3', 'features', ['computers']],\n    ['*', 'R1', 'capacity', [3, 2]], ['*', 'R3', 'capacity', [5, 1]]]),\n  ('normal control 4',\n   [[['CHEM120', 'R4', 3], ['MATH101', 'R3', 3], ['CHEM120', 'R4', 1]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': [], 'MATH101H': [], 'PHYS110': ['Lab']}],\n   [['*', 'R3', 'capacity', [3, 1]]]),\n  ('normal control 5',\n   [[['MATH101', 'R1', 3], ['MATH101', 'R1', 1], ['MATH101', 'R3', 3], ['MATH101H', 'R4', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['Lab', 'computers'],\n     'PHYS110': ['computers', 'Lab'],\n     'CHEM120': ['computers', 'accessible']}],\n   [['MATH101', 'R1', 'features', ['lab']], ['MATH101', 'R1', 'features', ['lab']],\n    ['MATH101', 'R3', 'features', ['computers', 'lab']], ['*', 'R1', 'capacity', [4, 2]],\n    ['*', 'R3', 'capacity', [3, 1]]]),\n  ('normal control 6',\n   [[['PHYS110', 'R4', 3], ['PHYS110', 'R2', 1], ['MATH101H', 'R2', 3], ['MATH101', 'R4', 2]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': [], 'MATH101H': ['Lab'], 'PHYS110': ['accessible', 'Lab'], 'CHEM120': ['Lab', 'accessible']}],\n   [['PHYS110', 'R2', 'features', ['accessible']], ['*', 'R2', 'capacity', [4, 3]],\n    ['*', 'R4', 'capacity', [5, 4]]]),\n  ('normal control 7',\n   [[['CHEM120', 'R2', 3], ['PHYS110', 'R2', 2], ['PHYS110', 'R1', 2]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': [], 'CHEM120': ['Lab', 'computers']}],\n   [['CHEM120', 'R2', 'features', ['computers']], ['*', 'R2', 'capacity', [5, 3]]]),\n  ('normal control 8',\n   [[['MATH101H', 'R2', 3], ['PHYS110', 'R2', 3], ['CHEM120', 'R4', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['accessible'], 'PHYS110': [], 'CHEM120': ['computers']}],\n   [['CHEM120', 'R4', 'features', ['computers']], ['*', 'R2', 'capacity', [6, 3]]])],\n [('regression: capacity boundary 1',\n   [[['A', 'R2', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'A': ['Lab']}],\n   []),\n  ('regression variant: capacity boundary 2',\n   [[['CHEM120', 'R1', 1], ['PHYS110', 'R3', 2], ['MATH101', 'R3', 1], ['PHYS110', 'R2', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['accessible'], 'MATH101H': []}],\n   [['MATH101', 'R3', 'features', ['accessible']], ['*', 'R3', 'capacity', [3, 1]]]),\n  ('partial repair guard 3',\n   [[['CHEM120', 'R1', 3], ['PHYS110', 'R2', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['accessible'], 'PHYS110': ['Lab']}],\n   [['*', 'R1', 'capacity', [3, 2]]]),\n  ('boundary control 4',\n   [[['A', 'R4', 1]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'A': ['accessible', 'Lab']}],\n   []),\n  ('normal control 5',\n   [[['MATH101', 'R3', 2], ['PHYS110', 'R4', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': [], 'MATH101H': [], 'PHYS110': []}],\n   [['*', 'R3', 'capacity', [2, 1]]]),\n  ('normal control 6',\n   [[['MATH101', 'R3', 3], ['PHYS110', 'R1', 2]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': [], 'MATH101H': [], 'CHEM120': []}],\n   [['*', 'R3', 'capacity', [3, 1]]]),\n  ('normal control 7',\n   [[['MATH101H', 'R3', 2]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['computers'], 'MATH101H': [], 'PHYS110': ['Lab']}],\n   [['*', 'R3', 'capacity', [2, 1]]]),\n  ('normal control 8',\n   [[['MATH101', 'R2', 3], ['PHYS110', 'R2', 2], ['CHEM120', 'R1', 1], ['CHEM120', 'R2', 1]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': [], 'MATH101H': [], 'PHYS110': [], 'CHEM120': ['Lab', 'accessible']}],\n   [['CHEM120', 'R1', 'features', ['lab']], ['CHEM120', 'R2', 'features', ['accessible']],\n    ['*', 'R2', 'capacity', [6, 3]]])],\n [('regression: capacity boundary 1',\n   [[['MATH101H', 'R1', 2], ['PHYS110', 'R3', 2], ['MATH101H', 'R2', 1]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': [], 'MATH101H': ['accessible', 'Lab'], 'CHEM120': []}],\n   [['MATH101H', 'R1', 'features', ['lab']], ['MATH101H', 'R2', 'features', ['accessible']],\n    ['*', 'R3', 'capacity', [2, 1]]]),\n  ('regression variant: capacity boundary 2',\n   [[['MATH101H', 'R2', 3], ['PHYS110', 'R4', 1], ['CHEM120', 'R1', 2], ['MATH101H', 'R3', 2]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['Lab'], 'MATH101H': [], 'PHYS110': ['accessible', 'Lab'], 'CHEM120': ['computers', 'Lab']}],\n   [['CHEM120', 'R1', 'features', ['lab']], ['*', 'R3', 'capacity', [2, 1]]]),\n  ('partial repair guard 3',\n   [[['CHEM120', 'R2', 1], ['PHYS110', 'R3', 3], ['CHEM120', 'R2', 1], ['PHYS110', 'R4', 1],\n     ['MATH101H', 'R1', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['accessible', 'Lab'], 'MATH101H': ['computers'], 'CHEM120': []}],\n   [['*', 'R1', 'capacity', [3, 2]], ['*', 'R3', 'capacity', [3, 1]]]),\n  ('boundary control 4',\n   [[['A', 'R2', 2], ['B', 'R2', 2]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {}],\n   [['*', 'R2', 'capacity', [4, 3]]]),\n  ('normal control 5',\n   [[['MATH101H', 'R3', 2], ['MATH101', 'R3', 1], ['PHYS110', 'R3', 3], ['CHEM120', 'R4', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101H': ['accessible'], 'PHYS110': ['accessible'], 'CHEM120': ['Lab', 'accessible']}],\n   [['MATH101H', 'R3', 'features', ['accessible']], ['PHYS110', 'R3', 'features', ['accessible']],\n    ['*', 'R3', 'capacity', [6, 1]]]),\n  ('normal control 6',\n   [[['MATH101', 'R4', 1], ['MATH101', 'R1', 1], ['MATH101', 'R1', 3], ['CHEM120', 'R2', 1]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['accessible'],\n     'MATH101H': ['Lab', 'computers'],\n     'PHYS110': ['Lab'],\n     'CHEM120': ['accessible']}],\n   [['CHEM120', 'R2', 'features', ['accessible']], ['*', 'R1', 'capacity', [4, 2]]]),\n  ('normal control 7',\n   [[['MATH101', 'R2', 2], ['MATH101H', 'R3', 2], ['MATH101', 'R4', 2], ['CHEM120', 'R3', 1]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['Lab'], 'PHYS110': [], 'CHEM120': []}],\n   [['*', 'R3', 'capacity', [3, 1]]]),\n  ('normal control 8',\n   [[['MATH101', 'R1', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': [], 'PHYS110': ['Lab'], 'CHEM120': ['accessible']}],\n   [['*', 'R1', 'capacity', [3, 2]]])],\n [('regression: capacity boundary 1',\n   [[['CHEM120', 'R3', 1], ['CHEM120', 'R1', 1], ['CHEM120', 'R1', 1], ['PHYS110', 'R1', 3],\n     ['PHYS110', 'R2', 1]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': [], 'PHYS110': ['Lab', 'accessible'], 'CHEM120': ['accessible', 'computers']}],\n   [['CHEM120', 'R3', 'features', ['accessible', 'computers']], ['PHYS110', 'R1', 'features', ['lab']],\n    ['PHYS110', 'R2', 'features', ['accessible']], ['*', 'R1', 'capacity', [5, 2]]]),\n  ('regression variant: capacity boundary 2',\n   [[['MATH101H', 'R1', 2], ['MATH101', 'R4', 2], ['MATH101', 'R2', 1]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['Lab', 'computers'],\n     'PHYS110': ['Lab', 'computers'],\n     'CHEM120': ['accessible', 'computers']}],\n   [['MATH101', 'R4', 'features', ['computers']], ['MATH101', 'R2', 'features', ['computers']]]),\n  ('partial repair guard 3',\n   [[['MATH101H', 'R1', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['accessible'], 'MATH101H': ['accessible'], 'PHYS110': []}],\n   [['*', 'R1', 'capacity', [3, 2]]]),\n  ('boundary control 4',\n   [[['A', 'R1', 2]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'A': ['computers']}],\n   []),\n  ('normal control 5',\n   [[['CHEM120', 'R4', 3], ['MATH101H', 'R4', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101H': ['accessible'], 'PHYS110': ['Lab'], 'CHEM120': ['accessible', 'computers']}],\n   [['CHEM120', 'R4', 'features', ['computers']], ['*', 'R4', 'capacity', [6, 4]]]),\n  ('normal control 6',\n   [[['MATH101H', 'R3', 2], ['MATH101', 'R3', 1], ['PHYS110', 'R3', 3], ['CHEM120', 'R4', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101H': ['accessible'], 'PHYS110': ['accessible'], 'CHEM120': ['Lab', 'accessible']}],\n   [['MATH101H', 'R3', 'features', ['accessible']], ['PHYS110', 'R3', 'features', ['accessible']],\n    ['*', 'R3', 'capacity', [6, 1]]]),\n  ('normal control 7',\n   [[['CHEM120', 'R2', 3], ['CHEM120', 'R2', 2], ['MATH101H', 'R4', 1]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101H': ['computers', 'accessible'], 'PHYS110': [], 'CHEM120': ['Lab', 'computers']}],\n   [['CHEM120', 'R2', 'features', ['computers']], ['CHEM120', 'R2', 'features', ['computers']],\n    ['MATH101H', 'R4', 'features', ['computers']], ['*', 'R2', 'capacity', [5, 3]]]),\n  ('normal control 8',\n   [[['CHEM120', 'R1', 3], ['MATH101', 'R4', 1], ['MATH101H', 'R3', 3], ['CHEM120', 'R1', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101H': ['Lab', 'computers'], 'PHYS110': ['Lab', 'accessible'], 'CHEM120': []}],\n   [['MATH101H', 'R3', 'features', ['computers', 'lab']], ['*', 'R1', 'capacity', [6, 2]],\n    ['*', 'R3', 'capacity', [3, 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":"49128101a6ac331aab8d622ddabc1cfc527a8a4e937c39fad093b3dd70e0cd08","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(placements, rooms, needs):\n    out = []\n    load = {}\n    for ex, room, seats in placements:\n        cap, fl = rooms[room]\n        have = {f.lower() for f in fl}\n        miss = sorted({f.lower() for f in needs.get(ex, [])} - have)\n        if miss:\n            out.append([ex, room, 'features', miss])\n        load[room] = load.get(room, 0) + seats\n    for room in sorted(load):\n        if load[room] >= rooms[room][0]:\n            out.append(['*', room, 'capacity', [load[room], rooms[room][0]]])\n    return out\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('regression: capacity boundary 1',\n   [[['A', 'R1', 2]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'A': ['computers']}],\n   []),\n  ('regression variant: capacity boundary 2',\n   [[['PHYS110', 'R2', 3], ['PHYS110', 'R3', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['accessible'],\n     'MATH101H': ['accessible'],\n     'PHYS110': ['computers'],\n     'CHEM120': ['accessible', 'Lab']}],\n   [['PHYS110', 'R2', 'features', ['computers']], ['PHYS110', 'R3', 'features', ['computers']],\n    ['*', 'R3', 'capacity', [3, 1]]]),\n  ('partial repair guard 3',\n   [[['MATH101', 'R2', 1], ['MATH101H', 'R3', 3], ['MATH101H', 'R1', 1], ['MATH101H', 'R1', 2],\n     ['MATH101', 'R3', 2]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['Lab', 'computers'], 'MATH101H': ['accessible'], 'PHYS110': [], 'CHEM120': ['Lab']}],\n   [['MATH101', 'R2', 'features', ['computers']], ['MATH101H', 'R3', 'features', ['accessible']],\n    ['MATH101', 'R3', 'features', ['computers', 'lab']], ['*', 'R1', 'capacity', [3, 2]],\n    ['*', 'R3', 'capacity', [5, 1]]]),\n  ('boundary control 4',\n   [[['A', 'R2', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'A': ['Lab']}],\n   []),\n  ('normal control 5',\n   [[['MATH101', 'R1', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': [], 'PHYS110': ['Lab'], 'CHEM120': ['accessible']}],\n   [['*', 'R1', 'capacity', [3, 2]]]),\n  ('normal control 6',\n   [[['MATH101', 'R4', 1], ['MATH101', 'R4', 1], ['MATH101', 'R3', 1], ['MATH101H', 'R4', 1],\n     ['CHEM120', 'R2', 2]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['accessible'], 'MATH101H': ['computers'], 'PHYS110': [], 'CHEM120': ['Lab']}],\n   [['MATH101', 'R3', 'features', ['accessible']], ['MATH101H', 'R4', 'features', ['computers']]]),\n  ('normal control 7',\n   [[['MATH101', 'R4', 2], ['PHYS110', 'R3', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['computers', 'accessible'],\n     'MATH101H': ['computers', 'accessible'],\n     'PHYS110': ['Lab', 'accessible'],\n     'CHEM120': ['computers']}],\n   [['MATH101', 'R4', 'features', ['computers']], ['PHYS110', 'R3', 'features', ['accessible', 'lab']],\n    ['*', 'R3', 'capacity', [3, 1]]]),\n  ('normal control 8',\n   [[['MATH101', 'R1', 1], ['MATH101', 'R3', 2], ['MATH101', 'R2', 3], ['MATH101H', 'R1', 3],\n     ['CHEM120', 'R1', 2]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['Lab'], 'MATH101H': ['computers', 'accessible'], 'PHYS110': [], 'CHEM120': ['accessible']}],\n   [['MATH101', 'R1', 'features', ['lab']], ['MATH101', 'R3', 'features', ['lab']],\n    ['*', 'R1', 'capacity', [6, 2]], ['*', 'R3', 'capacity', [2, 1]]])],\n [('regression: capacity boundary 1',\n   [[['A', 'R3', 1]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'A': ['Lab']}],\n   [['A', 'R3', 'features', ['lab']]]),\n  ('regression variant: capacity boundary 2',\n   [[['CHEM120', 'R2', 2], ['MATH101H', 'R3', 1], ['MATH101H', 'R1', 1]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': [], 'MATH101H': ['Lab'], 'PHYS110': ['computers', 'accessible']}],\n   [['MATH101H', 'R3', 'features', ['lab']], ['MATH101H', 'R1', 'features', ['lab']]]),\n  ('partial repair guard 3',\n   [[['PHYS110', 'R3', 1], ['MATH101H', 'R1', 3], ['MATH101', 'R3', 1], ['MATH101H', 'R4', 3],\n     ['MATH101H', 'R3', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101H': ['computers'], 'PHYS110': [], 'CHEM120': ['accessible', 'computers']}],\n   [['MATH101H', 'R4', 'features', ['computers']], ['MATH101H', 'R3', 'features', ['computers']],\n    ['*', 'R1', 'capacity', [3, 2]], ['*', 'R3', 'capacity', [5, 1]]]),\n  ('normal control 4',\n   [[['CHEM120', 'R4', 3], ['MATH101', 'R3', 3], ['CHEM120', 'R4', 1]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': [], 'MATH101H': [], 'PHYS110': ['Lab']}],\n   [['*', 'R3', 'capacity', [3, 1]]]),\n  ('normal control 5',\n   [[['MATH101', 'R1', 3], ['MATH101', 'R1', 1], ['MATH101', 'R3', 3], ['MATH101H', 'R4', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['Lab', 'computers'],\n     'PHYS110': ['computers', 'Lab'],\n     'CHEM120': ['computers', 'accessible']}],\n   [['MATH101', 'R1', 'features', ['lab']], ['MATH101', 'R1', 'features', ['lab']],\n    ['MATH101', 'R3', 'features', ['computers', 'lab']], ['*', 'R1', 'capacity', [4, 2]],\n    ['*', 'R3', 'capacity', [3, 1]]]),\n  ('normal control 6',\n   [[['PHYS110', 'R4', 3], ['PHYS110', 'R2', 1], ['MATH101H', 'R2', 3], ['MATH101', 'R4', 2]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': [], 'MATH101H': ['Lab'], 'PHYS110': ['accessible', 'Lab'], 'CHEM120': ['Lab', 'accessible']}],\n   [['PHYS110', 'R2', 'features', ['accessible']], ['*', 'R2', 'capacity', [4, 3]],\n    ['*', 'R4', 'capacity', [5, 4]]]),\n  ('normal control 7',\n   [[['CHEM120', 'R2', 3], ['PHYS110', 'R2', 2], ['PHYS110', 'R1', 2]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': [], 'CHEM120': ['Lab', 'computers']}],\n   [['CHEM120', 'R2', 'features', ['computers']], ['*', 'R2', 'capacity', [5, 3]]]),\n  ('normal control 8',\n   [[['MATH101H', 'R2', 3], ['PHYS110', 'R2', 3], ['CHEM120', 'R4', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['accessible'], 'PHYS110': [], 'CHEM120': ['computers']}],\n   [['CHEM120', 'R4', 'features', ['computers']], ['*', 'R2', 'capacity', [6, 3]]])],\n [('regression: capacity boundary 1',\n   [[['A', 'R2', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'A': ['Lab']}],\n   []),\n  ('regression variant: capacity boundary 2',\n   [[['CHEM120', 'R1', 1], ['PHYS110', 'R3', 2], ['MATH101', 'R3', 1], ['PHYS110', 'R2', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['accessible'], 'MATH101H': []}],\n   [['MATH101', 'R3', 'features', ['accessible']], ['*', 'R3', 'capacity', [3, 1]]]),\n  ('partial repair guard 3',\n   [[['CHEM120', 'R1', 3], ['PHYS110', 'R2', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['accessible'], 'PHYS110': ['Lab']}],\n   [['*', 'R1', 'capacity', [3, 2]]]),\n  ('boundary control 4',\n   [[['A', 'R4', 1]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'A': ['accessible', 'Lab']}],\n   []),\n  ('normal control 5',\n   [[['MATH101', 'R3', 2], ['PHYS110', 'R4', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': [], 'MATH101H': [], 'PHYS110': []}],\n   [['*', 'R3', 'capacity', [2, 1]]]),\n  ('normal control 6',\n   [[['MATH101', 'R3', 3], ['PHYS110', 'R1', 2]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': [], 'MATH101H': [], 'CHEM120': []}],\n   [['*', 'R3', 'capacity', [3, 1]]]),\n  ('normal control 7',\n   [[['MATH101H', 'R3', 2]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['computers'], 'MATH101H': [], 'PHYS110': ['Lab']}],\n   [['*', 'R3', 'capacity', [2, 1]]]),\n  ('normal control 8',\n   [[['MATH101', 'R2', 3], ['PHYS110', 'R2', 2], ['CHEM120', 'R1', 1], ['CHEM120', 'R2', 1]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': [], 'MATH101H': [], 'PHYS110': [], 'CHEM120': ['Lab', 'accessible']}],\n   [['CHEM120', 'R1', 'features', ['lab']], ['CHEM120', 'R2', 'features', ['accessible']],\n    ['*', 'R2', 'capacity', [6, 3]]])],\n [('regression: capacity boundary 1',\n   [[['MATH101H', 'R1', 2], ['PHYS110', 'R3', 2], ['MATH101H', 'R2', 1]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': [], 'MATH101H': ['accessible', 'Lab'], 'CHEM120': []}],\n   [['MATH101H', 'R1', 'features', ['lab']], ['MATH101H', 'R2', 'features', ['accessible']],\n    ['*', 'R3', 'capacity', [2, 1]]]),\n  ('regression variant: capacity boundary 2',\n   [[['MATH101H', 'R2', 3], ['PHYS110', 'R4', 1], ['CHEM120', 'R1', 2], ['MATH101H', 'R3', 2]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['Lab'], 'MATH101H': [], 'PHYS110': ['accessible', 'Lab'], 'CHEM120': ['computers', 'Lab']}],\n   [['CHEM120', 'R1', 'features', ['lab']], ['*', 'R3', 'capacity', [2, 1]]]),\n  ('partial repair guard 3',\n   [[['CHEM120', 'R2', 1], ['PHYS110', 'R3', 3], ['CHEM120', 'R2', 1], ['PHYS110', 'R4', 1],\n     ['MATH101H', 'R1', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['accessible', 'Lab'], 'MATH101H': ['computers'], 'CHEM120': []}],\n   [['*', 'R1', 'capacity', [3, 2]], ['*', 'R3', 'capacity', [3, 1]]]),\n  ('boundary control 4',\n   [[['A', 'R2', 2], ['B', 'R2', 2]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {}],\n   [['*', 'R2', 'capacity', [4, 3]]]),\n  ('normal control 5',\n   [[['MATH101H', 'R3', 2], ['MATH101', 'R3', 1], ['PHYS110', 'R3', 3], ['CHEM120', 'R4', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101H': ['accessible'], 'PHYS110': ['accessible'], 'CHEM120': ['Lab', 'accessible']}],\n   [['MATH101H', 'R3', 'features', ['accessible']], ['PHYS110', 'R3', 'features', ['accessible']],\n    ['*', 'R3', 'capacity', [6, 1]]]),\n  ('normal control 6',\n   [[['MATH101', 'R4', 1], ['MATH101', 'R1', 1], ['MATH101', 'R1', 3], ['CHEM120', 'R2', 1]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['accessible'],\n     'MATH101H': ['Lab', 'computers'],\n     'PHYS110': ['Lab'],\n     'CHEM120': ['accessible']}],\n   [['CHEM120', 'R2', 'features', ['accessible']], ['*', 'R1', 'capacity', [4, 2]]]),\n  ('normal control 7',\n   [[['MATH101', 'R2', 2], ['MATH101H', 'R3', 2], ['MATH101', 'R4', 2], ['CHEM120', 'R3', 1]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['Lab'], 'PHYS110': [], 'CHEM120': []}],\n   [['*', 'R3', 'capacity', [3, 1]]]),\n  ('normal control 8',\n   [[['MATH101', 'R1', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': [], 'PHYS110': ['Lab'], 'CHEM120': ['accessible']}],\n   [['*', 'R1', 'capacity', [3, 2]]])],\n [('regression: capacity boundary 1',\n   [[['CHEM120', 'R3', 1], ['CHEM120', 'R1', 1], ['CHEM120', 'R1', 1], ['PHYS110', 'R1', 3],\n     ['PHYS110', 'R2', 1]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': [], 'PHYS110': ['Lab', 'accessible'], 'CHEM120': ['accessible', 'computers']}],\n   [['CHEM120', 'R3', 'features', ['accessible', 'computers']], ['PHYS110', 'R1', 'features', ['lab']],\n    ['PHYS110', 'R2', 'features', ['accessible']], ['*', 'R1', 'capacity', [5, 2]]]),\n  ('regression variant: capacity boundary 2',\n   [[['MATH101H', 'R1', 2], ['MATH101', 'R4', 2], ['MATH101', 'R2', 1]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['Lab', 'computers'],\n     'PHYS110': ['Lab', 'computers'],\n     'CHEM120': ['accessible', 'computers']}],\n   [['MATH101', 'R4', 'features', ['computers']], ['MATH101', 'R2', 'features', ['computers']]]),\n  ('partial repair guard 3',\n   [[['MATH101H', 'R1', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101': ['accessible'], 'MATH101H': ['accessible'], 'PHYS110': []}],\n   [['*', 'R1', 'capacity', [3, 2]]]),\n  ('boundary control 4',\n   [[['A', 'R1', 2]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'A': ['computers']}],\n   []),\n  ('normal control 5',\n   [[['CHEM120', 'R4', 3], ['MATH101H', 'R4', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101H': ['accessible'], 'PHYS110': ['Lab'], 'CHEM120': ['accessible', 'computers']}],\n   [['CHEM120', 'R4', 'features', ['computers']], ['*', 'R4', 'capacity', [6, 4]]]),\n  ('normal control 6',\n   [[['MATH101H', 'R3', 2], ['MATH101', 'R3', 1], ['PHYS110', 'R3', 3], ['CHEM120', 'R4', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101H': ['accessible'], 'PHYS110': ['accessible'], 'CHEM120': ['Lab', 'accessible']}],\n   [['MATH101H', 'R3', 'features', ['accessible']], ['PHYS110', 'R3', 'features', ['accessible']],\n    ['*', 'R3', 'capacity', [6, 1]]]),\n  ('normal control 7',\n   [[['CHEM120', 'R2', 3], ['CHEM120', 'R2', 2], ['MATH101H', 'R4', 1]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101H': ['computers', 'accessible'], 'PHYS110': [], 'CHEM120': ['Lab', 'computers']}],\n   [['CHEM120', 'R2', 'features', ['computers']], ['CHEM120', 'R2', 'features', ['computers']],\n    ['MATH101H', 'R4', 'features', ['computers']], ['*', 'R2', 'capacity', [5, 3]]]),\n  ('normal control 8',\n   [[['CHEM120', 'R1', 3], ['MATH101', 'R4', 1], ['MATH101H', 'R3', 3], ['CHEM120', 'R1', 3]],\n    {'R1': [2, ['Computers', 'accessible']],\n     'R2': [3, ['lab']],\n     'R3': [1, []],\n     'R4': [4, ['ACCESSIBLE', 'lab']]},\n    {'MATH101H': ['Lab', 'computers'], 'PHYS110': ['Lab', 'accessible'], 'CHEM120': []}],\n   [['MATH101H', 'R3', 'features', ['computers', 'lab']], ['*', 'R1', 'capacity', [6, 2]],\n    ['*', 'R3', 'capacity', [3, 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 exam-timetabling rule set for a bounded model; it does not claim conformance with any institution's regulations or a benchmark specification, and it performs no search or optimisation. 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-exam-timetabling-constraints-room-suitability-and-load-capacity-boundary","generated_at":"2026-09-29T14:52:07.613967+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Room suitability (labs, computers, accessibility) and capacity are hard constraints of room allocation.","root_cause":"The capacity comparison is inclusive.","sha256":"035f1356c8b893b4fa490676cb50d771338347848c724dc99e0bab2619d994a8","title":"Room filled exactly to capacity reported as overfull · 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":48.583,"exit_code":1,"observations":[{"actual":[],"check":"regression: capacity boundary 1","expected":[],"passed":true},{"actual":[["PHYS110","R2","features",["computers"]],["PHYS110","R3","features",["computers"]],["*","R3","capacity",[3,1]]],"check":"regression variant: capacity boundary 2","expected":[["PHYS110","R2","features",["computers"]],["PHYS110","R3","features",["computers"]],["*","R3","capacity",[3,1]]],"passed":true},{"actual":[["MATH101","R2","features",["computers"]],["MATH101H","R3","features",["accessible"]],["MATH101","R3","features",["computers","lab"]],["*","R3","capacity",[5,1]]],"check":"partial repair guard 3","expected":[["MATH101","R2","features",["computers"]],["MATH101H","R3","features",["accessible"]],["MATH101","R3","features",["computers","lab"]],["*","R1","capacity",[3,2]],["*","R3","capacity",[5,1]]],"passed":false},{"actual":[],"check":"boundary control 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