{"abstract":"A car at exactly 80% keeps stopping for hall calls, or a lightly loaded car bypasses them.","category":"Elevator dispatch scheduling","checks":8,"contract":"Overload (load above 110% of rating) keeps the car at the floor: no departure, no hall service, no cancellation. Otherwise the car departs; at 80% or more it runs in bypass (ignores hall calls). Anti-nuisance cancels all car calls when the load is below 10% of rating and more than three car calls are registered. Percentages are exact integer comparisons.","evaluation_group":"w2-elevator_dispatch_scheduling-load-weighing","failed_approach":"Comparing free capacity with 80% triggers bypass at only 20% load.","family":"w2-elevator_dispatch_scheduling-load-weighing-bypass-threshold","id":"FA-67416","implementations":{"attempt":{"sha256":"2c2edf2975b1e8087bd9367c401223250da550b519cbcec998902deeac553463","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    r = x['rated_kg']\n    w = x['load_kg']\n    if w * 100 > r * 110:\n        return {'mode': 'overload', 'depart': False, 'serve_hall': False, 'cancel_car_calls': False}\n    full = (r - w) * 100 <= r * 80\n    nuisance = w * 100 < r * 10 and len(x['car_calls']) > 3\n    return {'mode': 'bypass' if full else 'normal', 'depart': True, 'serve_hall': not full, 'cancel_car_calls': nuisance}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('regression: exactly 80 percent', {'rated_kg': 630, 'load_kg': 504, 'car_calls': []}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('boundary: just under 80 percent', {'rated_kg': 630, 'load_kg': 503, 'car_calls': []}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('sampled regression 24', {'rated_kg': 630, 'load_kg': 504, 'car_calls': [4, 9, 2, 7, 5, 6]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 3', {'rated_kg': 450, 'load_kg': 321, 'car_calls': [9]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('boundary: exactly 110 percent', {'rated_kg': 1000, 'load_kg': 1100, 'car_calls': []}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('sampled regression 1', {'rated_kg': 1000, 'load_kg': 800, 'car_calls': [0]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 4', {'rated_kg': 1000, 'load_kg': 0, 'car_calls': [1, 6]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('control 7', {'rated_kg': 1000, 'load_kg': 1101, 'car_calls': [7, 6, 9, 4]}, {'mode': 'overload', 'depart': False, 'serve_hall': False, 'cancel_car_calls': False})], [('regression: exactly 80 percent', {'rated_kg': 630, 'load_kg': 504, 'car_calls': []}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('boundary: just under 80 percent', {'rated_kg': 630, 'load_kg': 503, 'car_calls': []}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('sampled regression 1', {'rated_kg': 1000, 'load_kg': 800, 'car_calls': [0]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 30', {'rated_kg': 675, 'load_kg': 524, 'car_calls': [3, 6, 7, 2, 9]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('boundary: empty car with four calls', {'rated_kg': 675, 'load_kg': 0, 'car_calls': [0, 1, 2, 3]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': True}), ('control 12', {'rated_kg': 1000, 'load_kg': 100, 'car_calls': [6, 7, 4, 3, 9, 0]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('control 15', {'rated_kg': 630, 'load_kg': 693, 'car_calls': [7, 4, 0]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 18', {'rated_kg': 450, 'load_kg': 45, 'car_calls': []}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False})], [('regression: exactly 80 percent', {'rated_kg': 630, 'load_kg': 504, 'car_calls': []}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('boundary: just under 80 percent', {'rated_kg': 630, 'load_kg': 503, 'car_calls': []}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('sampled regression 75', {'rated_kg': 450, 'load_kg': 360, 'car_calls': [2, 5]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 48', {'rated_kg': 675, 'load_kg': 153, 'car_calls': [1, 7, 4, 5, 6, 3]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('boundary: empty car with four calls', {'rated_kg': 675, 'load_kg': 0, 'car_calls': [0, 1, 2, 3]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': True}), ('control 23', {'rated_kg': 675, 'load_kg': 539, 'car_calls': [0, 7, 5, 9, 8, 4]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('sampled regression 26', {'rated_kg': 675, 'load_kg': 540, 'car_calls': [9, 6, 0]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 29', {'rated_kg': 675, 'load_kg': 66, 'car_calls': [3, 5]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False})], [('regression: exactly 80 percent', {'rated_kg': 630, 'load_kg': 504, 'car_calls': []}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('boundary: just under 80 percent', {'rated_kg': 630, 'load_kg': 503, 'car_calls': []}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('sampled regression 64', {'rated_kg': 675, 'load_kg': 540, 'car_calls': [3, 7, 8, 4, 0]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 3', {'rated_kg': 450, 'load_kg': 321, 'car_calls': [9]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('boundary: fractional ten percent threshold', {'rated_kg': 675, 'load_kg': 67, 'car_calls': [0, 1, 2, 3, 4]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': True}), ('control 34', {'rated_kg': 1275, 'load_kg': 126, 'car_calls': [7, 3, 1, 0, 2, 4]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': True}), ('control 37', {'rated_kg': 1000, 'load_kg': 100, 'car_calls': [0]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('control 40', {'rated_kg': 450, 'load_kg': 30, 'car_calls': []}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False})], [('regression: exactly 80 percent', {'rated_kg': 630, 'load_kg': 504, 'car_calls': []}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('boundary: just under 80 percent', {'rated_kg': 630, 'load_kg': 503, 'car_calls': []}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('sampled regression 26', {'rated_kg': 675, 'load_kg': 540, 'car_calls': [9, 6, 0]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 30', {'rated_kg': 675, 'load_kg': 524, 'car_calls': [3, 6, 7, 2, 9]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('boundary: exactly 110 percent', {'rated_kg': 1000, 'load_kg': 1100, 'car_calls': []}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 45', {'rated_kg': 630, 'load_kg': 464, 'car_calls': [8, 7, 5, 9, 2]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('control 48', {'rated_kg': 675, 'load_kg': 153, 'car_calls': [1, 7, 4, 5, 6, 3]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('control 51', {'rated_kg': 450, 'load_kg': 330, 'car_calls': [6, 0, 7, 9]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False})]]\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":"cadaf15e6d43e91c1b70fafdc5e4d8624a76c55fb82cf71709d0e577ad90ca7d","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    r = x['rated_kg']\n    w = x['load_kg']\n    if w * 100 > r * 110:\n        return {'mode': 'overload', 'depart': False, 'serve_hall': False, 'cancel_car_calls': False}\n    full = w * 100 > r * 80\n    nuisance = w * 100 < r * 10 and len(x['car_calls']) > 3\n    return {'mode': 'bypass' if full else 'normal', 'depart': True, 'serve_hall': not full, 'cancel_car_calls': nuisance}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('regression: exactly 80 percent', {'rated_kg': 630, 'load_kg': 504, 'car_calls': []}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('boundary: just under 80 percent', {'rated_kg': 630, 'load_kg': 503, 'car_calls': []}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('sampled regression 24', {'rated_kg': 630, 'load_kg': 504, 'car_calls': [4, 9, 2, 7, 5, 6]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 3', {'rated_kg': 450, 'load_kg': 321, 'car_calls': [9]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('boundary: exactly 110 percent', {'rated_kg': 1000, 'load_kg': 1100, 'car_calls': []}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('sampled regression 1', {'rated_kg': 1000, 'load_kg': 800, 'car_calls': [0]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 4', {'rated_kg': 1000, 'load_kg': 0, 'car_calls': [1, 6]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('control 7', {'rated_kg': 1000, 'load_kg': 1101, 'car_calls': [7, 6, 9, 4]}, {'mode': 'overload', 'depart': False, 'serve_hall': False, 'cancel_car_calls': False})], [('regression: exactly 80 percent', {'rated_kg': 630, 'load_kg': 504, 'car_calls': []}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('boundary: just under 80 percent', {'rated_kg': 630, 'load_kg': 503, 'car_calls': []}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('sampled regression 1', {'rated_kg': 1000, 'load_kg': 800, 'car_calls': [0]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 30', {'rated_kg': 675, 'load_kg': 524, 'car_calls': [3, 6, 7, 2, 9]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('boundary: empty car with four calls', {'rated_kg': 675, 'load_kg': 0, 'car_calls': [0, 1, 2, 3]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': True}), ('control 12', {'rated_kg': 1000, 'load_kg': 100, 'car_calls': [6, 7, 4, 3, 9, 0]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('control 15', {'rated_kg': 630, 'load_kg': 693, 'car_calls': [7, 4, 0]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 18', {'rated_kg': 450, 'load_kg': 45, 'car_calls': []}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False})], [('regression: exactly 80 percent', {'rated_kg': 630, 'load_kg': 504, 'car_calls': []}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('boundary: just under 80 percent', {'rated_kg': 630, 'load_kg': 503, 'car_calls': []}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('sampled regression 75', {'rated_kg': 450, 'load_kg': 360, 'car_calls': [2, 5]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 48', {'rated_kg': 675, 'load_kg': 153, 'car_calls': [1, 7, 4, 5, 6, 3]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('boundary: empty car with four calls', {'rated_kg': 675, 'load_kg': 0, 'car_calls': [0, 1, 2, 3]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': True}), ('control 23', {'rated_kg': 675, 'load_kg': 539, 'car_calls': [0, 7, 5, 9, 8, 4]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('sampled regression 26', {'rated_kg': 675, 'load_kg': 540, 'car_calls': [9, 6, 0]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 29', {'rated_kg': 675, 'load_kg': 66, 'car_calls': [3, 5]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False})], [('regression: exactly 80 percent', {'rated_kg': 630, 'load_kg': 504, 'car_calls': []}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('boundary: just under 80 percent', {'rated_kg': 630, 'load_kg': 503, 'car_calls': []}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('sampled regression 64', {'rated_kg': 675, 'load_kg': 540, 'car_calls': [3, 7, 8, 4, 0]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 3', {'rated_kg': 450, 'load_kg': 321, 'car_calls': [9]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('boundary: fractional ten percent threshold', {'rated_kg': 675, 'load_kg': 67, 'car_calls': [0, 1, 2, 3, 4]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': True}), ('control 34', {'rated_kg': 1275, 'load_kg': 126, 'car_calls': [7, 3, 1, 0, 2, 4]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': True}), ('control 37', {'rated_kg': 1000, 'load_kg': 100, 'car_calls': [0]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('control 40', {'rated_kg': 450, 'load_kg': 30, 'car_calls': []}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False})], [('regression: exactly 80 percent', {'rated_kg': 630, 'load_kg': 504, 'car_calls': []}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('boundary: just under 80 percent', {'rated_kg': 630, 'load_kg': 503, 'car_calls': []}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('sampled regression 26', {'rated_kg': 675, 'load_kg': 540, 'car_calls': [9, 6, 0]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 30', {'rated_kg': 675, 'load_kg': 524, 'car_calls': [3, 6, 7, 2, 9]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('boundary: exactly 110 percent', {'rated_kg': 1000, 'load_kg': 1100, 'car_calls': []}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 45', {'rated_kg': 630, 'load_kg': 464, 'car_calls': [8, 7, 5, 9, 2]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('control 48', {'rated_kg': 675, 'load_kg': 153, 'car_calls': [1, 7, 4, 5, 6, 3]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('control 51', {'rated_kg': 450, 'load_kg': 330, 'car_calls': [6, 0, 7, 9]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False})]]\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":"d1cc009717df5634e6b5c95abbb17efb2a4f70a604108521995cb3630c896513","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    r = x['rated_kg']\n    w = x['load_kg']\n    if w * 100 > r * 110:\n        return {'mode': 'overload', 'depart': False, 'serve_hall': False, 'cancel_car_calls': False}\n    full = w * 100 >= r * 80\n    nuisance = w * 100 < r * 10 and len(x['car_calls']) > 3\n    return {'mode': 'bypass' if full else 'normal', 'depart': True, 'serve_hall': not full, 'cancel_car_calls': nuisance}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('regression: exactly 80 percent', {'rated_kg': 630, 'load_kg': 504, 'car_calls': []}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('boundary: just under 80 percent', {'rated_kg': 630, 'load_kg': 503, 'car_calls': []}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('sampled regression 24', {'rated_kg': 630, 'load_kg': 504, 'car_calls': [4, 9, 2, 7, 5, 6]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 3', {'rated_kg': 450, 'load_kg': 321, 'car_calls': [9]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('boundary: exactly 110 percent', {'rated_kg': 1000, 'load_kg': 1100, 'car_calls': []}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('sampled regression 1', {'rated_kg': 1000, 'load_kg': 800, 'car_calls': [0]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 4', {'rated_kg': 1000, 'load_kg': 0, 'car_calls': [1, 6]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('control 7', {'rated_kg': 1000, 'load_kg': 1101, 'car_calls': [7, 6, 9, 4]}, {'mode': 'overload', 'depart': False, 'serve_hall': False, 'cancel_car_calls': False})], [('regression: exactly 80 percent', {'rated_kg': 630, 'load_kg': 504, 'car_calls': []}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('boundary: just under 80 percent', {'rated_kg': 630, 'load_kg': 503, 'car_calls': []}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('sampled regression 1', {'rated_kg': 1000, 'load_kg': 800, 'car_calls': [0]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 30', {'rated_kg': 675, 'load_kg': 524, 'car_calls': [3, 6, 7, 2, 9]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('boundary: empty car with four calls', {'rated_kg': 675, 'load_kg': 0, 'car_calls': [0, 1, 2, 3]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': True}), ('control 12', {'rated_kg': 1000, 'load_kg': 100, 'car_calls': [6, 7, 4, 3, 9, 0]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('control 15', {'rated_kg': 630, 'load_kg': 693, 'car_calls': [7, 4, 0]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 18', {'rated_kg': 450, 'load_kg': 45, 'car_calls': []}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False})], [('regression: exactly 80 percent', {'rated_kg': 630, 'load_kg': 504, 'car_calls': []}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('boundary: just under 80 percent', {'rated_kg': 630, 'load_kg': 503, 'car_calls': []}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('sampled regression 75', {'rated_kg': 450, 'load_kg': 360, 'car_calls': [2, 5]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 48', {'rated_kg': 675, 'load_kg': 153, 'car_calls': [1, 7, 4, 5, 6, 3]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('boundary: empty car with four calls', {'rated_kg': 675, 'load_kg': 0, 'car_calls': [0, 1, 2, 3]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': True}), ('control 23', {'rated_kg': 675, 'load_kg': 539, 'car_calls': [0, 7, 5, 9, 8, 4]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('sampled regression 26', {'rated_kg': 675, 'load_kg': 540, 'car_calls': [9, 6, 0]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 29', {'rated_kg': 675, 'load_kg': 66, 'car_calls': [3, 5]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False})], [('regression: exactly 80 percent', {'rated_kg': 630, 'load_kg': 504, 'car_calls': []}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('boundary: just under 80 percent', {'rated_kg': 630, 'load_kg': 503, 'car_calls': []}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('sampled regression 64', {'rated_kg': 675, 'load_kg': 540, 'car_calls': [3, 7, 8, 4, 0]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 3', {'rated_kg': 450, 'load_kg': 321, 'car_calls': [9]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('boundary: fractional ten percent threshold', {'rated_kg': 675, 'load_kg': 67, 'car_calls': [0, 1, 2, 3, 4]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': True}), ('control 34', {'rated_kg': 1275, 'load_kg': 126, 'car_calls': [7, 3, 1, 0, 2, 4]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': True}), ('control 37', {'rated_kg': 1000, 'load_kg': 100, 'car_calls': [0]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('control 40', {'rated_kg': 450, 'load_kg': 30, 'car_calls': []}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False})], [('regression: exactly 80 percent', {'rated_kg': 630, 'load_kg': 504, 'car_calls': []}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('boundary: just under 80 percent', {'rated_kg': 630, 'load_kg': 503, 'car_calls': []}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('sampled regression 26', {'rated_kg': 675, 'load_kg': 540, 'car_calls': [9, 6, 0]}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 30', {'rated_kg': 675, 'load_kg': 524, 'car_calls': [3, 6, 7, 2, 9]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('boundary: exactly 110 percent', {'rated_kg': 1000, 'load_kg': 1100, 'car_calls': []}, {'mode': 'bypass', 'depart': True, 'serve_hall': False, 'cancel_car_calls': False}), ('control 45', {'rated_kg': 630, 'load_kg': 464, 'car_calls': [8, 7, 5, 9, 2]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('control 48', {'rated_kg': 675, 'load_kg': 153, 'car_calls': [1, 7, 4, 5, 6, 3]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False}), ('control 51', {'rated_kg': 450, 'load_kg': 330, 'car_calls': [6, 0, 7, 9]}, {'mode': 'normal', 'depart': True, 'serve_hall': True, 'cancel_car_calls': False})]]\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-load-weighing-bypass-threshold","generated_at":"2026-09-29T14:47:52.621013+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":"Enter bypass at 80% of rating or more.","root_cause":"The bypass comparison is strict.","sha256":"daad2b7f7ccbc1d489ceb8bdb6a0649925f9ac0eeee296ede1990c93679caac2","title":"Load weighing dispatch modes: bypass threshold · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verification":{"attempt":{"elapsed_ms":39.247,"exit_code":1,"observations":[{"actual":{"cancel_car_calls":false,"depart":true,"mode":"bypass","serve_hall":false},"check":"regression: exactly 80 percent","expected":{"cancel_car_calls":false,"depart":true,"mode":"bypass","serve_hall":false},"passed":true},{"actual":{"cancel_car_calls":false,"depart":true,"mode":"bypass","serve_hall":false},"check":"boundary: just under 80 percent","expected":{"cancel_car_calls":false,"depart":true,"mode":"normal","serve_hall":true},"passed":false},{"actual":{"cancel_car_calls":false,"depart":true,"mode":"bypass","serve_hall":false},"check":"sampled regression 24","expected":{"cancel_car_calls":false,"depart":true,"mode":"bypass","serve_hall":false},"passed":true},{"actual":{"cancel_car_calls":false,"depart":true,"mode":"bypass","serve_hall":false},"check":"control 3","expected":{"cancel_car_calls":false,"depart":true,"mode":"normal","serve_hall":true},"passed":false},{"actual":{"cancel_car_calls":false,"depart":true,"mode":"bypass","serve_hall":false},"check":"boundary: exactly 110 percent","expected":{"cancel_car_calls":false,"depart":true,"mode":"bypass","serve_hall":false},"passed":true},{"actual":{"cancel_car_calls":false,"depart":true,"mode":"bypass","serve_hall":false},"check":"sampled regression 1","expected":{"cancel_car_calls":false,"depart":true,"mode":"bypass","serve_hall":false},"passed":true},{"actual":{"cancel_car_calls":false,"depart":true,"mode":"normal","serve_hall":true},"check":"control 4","expected":{"cancel_car_calls":false,"depart":true,"mode":"normal","serve_hall":true},"passed":true},{"actual":{"cancel_car_calls":false,"depart":false,"mode":"overload","serve_hall":false},"check":"control 7","expected":{"cancel_car_calls":false,"depart":false,"mode":"overload","serve_hall":false},"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"regression: exactly 80 percent\", \"actual\": {\"mode\": \"bypass\", \"depart\": true, \"serve_hall\": false, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"bypass\", \"depart\": true, \"serve_hall\": false, \"cancel_car_calls\": false}, \"passed\": true}, {\"check\": \"boundary: just under 80 percent\", \"actual\": {\"mode\": \"bypass\", \"depart\": true, \"serve_hall\": false, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"normal\", \"depart\": true, \"serve_hall\": true, \"cancel_car_calls\": false}, \"passed\": false}, {\"check\": \"sampled regression 24\", \"actual\": {\"mode\": \"bypass\", \"depart\": true, \"serve_hall\": false, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"bypass\", \"depart\": true, \"serve_hall\": false, \"cancel_car_calls\": false}, \"passed\": true}, {\"check\": \"control 3\", \"actual\": {\"mode\": \"bypass\", \"depart\": true, \"serve_hall\": false, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"normal\", \"depart\": true, \"serve_hall\": true, \"cancel_car_calls\": false}, \"passed\": false}, {\"check\": \"boundary: exactly 110 percent\", \"actual\": {\"mode\": \"bypass\", \"depart\": true, \"serve_hall\": false, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"bypass\", \"depart\": true, \"serve_hall\": false, \"cancel_car_calls\": false}, \"passed\": true}, {\"check\": \"sampled regression 1\", \"actual\": {\"mode\": \"bypass\", \"depart\": true, \"serve_hall\": false, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"bypass\", \"depart\": true, \"serve_hall\": false, \"cancel_car_calls\": false}, \"passed\": true}, {\"check\": \"control 4\", \"actual\": {\"mode\": \"normal\", \"depart\": true, \"serve_hall\": true, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"normal\", \"depart\": true, \"serve_hall\": true, \"cancel_car_calls\": false}, \"passed\": true}, {\"check\": \"control 7\", \"actual\": {\"mode\": \"overload\", \"depart\": false, \"serve_hall\": false, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"overload\", \"depart\": false, \"serve_hall\": false, \"cancel_car_calls\": false}, \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":40.075,"exit_code":1,"observations":[{"actual":{"cancel_car_calls":false,"depart":true,"mode":"normal","serve_hall":true},"check":"regression: exactly 80 percent","expected":{"cancel_car_calls":false,"depart":true,"mode":"bypass","serve_hall":false},"passed":false},{"actual":{"cancel_car_calls":false,"depart":true,"mode":"normal","serve_hall":true},"check":"boundary: just under 80 percent","expected":{"cancel_car_calls":false,"depart":true,"mode":"normal","serve_hall":true},"passed":true},{"actual":{"cancel_car_calls":false,"depart":true,"mode":"normal","serve_hall":true},"check":"sampled regression 24","expected":{"cancel_car_calls":false,"depart":true,"mode":"bypass","serve_hall":false},"passed":false},{"actual":{"cancel_car_calls":false,"depart":true,"mode":"normal","serve_hall":true},"check":"control 3","expected":{"cancel_car_calls":false,"depart":true,"mode":"normal","serve_hall":true},"passed":true},{"actual":{"cancel_car_calls":false,"depart":true,"mode":"bypass","serve_hall":false},"check":"boundary: exactly 110 percent","expected":{"cancel_car_calls":false,"depart":true,"mode":"bypass","serve_hall":false},"passed":true},{"actual":{"cancel_car_calls":false,"depart":true,"mode":"normal","serve_hall":true},"check":"sampled regression 1","expected":{"cancel_car_calls":false,"depart":true,"mode":"bypass","serve_hall":false},"passed":false},{"actual":{"cancel_car_calls":false,"depart":true,"mode":"normal","serve_hall":true},"check":"control 4","expected":{"cancel_car_calls":false,"depart":true,"mode":"normal","serve_hall":true},"passed":true},{"actual":{"cancel_car_calls":false,"depart":false,"mode":"overload","serve_hall":false},"check":"control 7","expected":{"cancel_car_calls":false,"depart":false,"mode":"overload","serve_hall":false},"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"regression: exactly 80 percent\", \"actual\": {\"mode\": \"normal\", \"depart\": true, \"serve_hall\": true, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"bypass\", \"depart\": true, \"serve_hall\": false, \"cancel_car_calls\": false}, \"passed\": false}, {\"check\": \"boundary: just under 80 percent\", \"actual\": {\"mode\": \"normal\", \"depart\": true, \"serve_hall\": true, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"normal\", \"depart\": true, \"serve_hall\": true, \"cancel_car_calls\": false}, \"passed\": true}, {\"check\": \"sampled regression 24\", \"actual\": {\"mode\": \"normal\", \"depart\": true, \"serve_hall\": true, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"bypass\", \"depart\": true, \"serve_hall\": false, \"cancel_car_calls\": false}, \"passed\": false}, {\"check\": \"control 3\", \"actual\": {\"mode\": \"normal\", \"depart\": true, \"serve_hall\": true, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"normal\", \"depart\": true, \"serve_hall\": true, \"cancel_car_calls\": false}, \"passed\": true}, {\"check\": \"boundary: exactly 110 percent\", \"actual\": {\"mode\": \"bypass\", \"depart\": true, \"serve_hall\": false, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"bypass\", \"depart\": true, \"serve_hall\": false, \"cancel_car_calls\": false}, \"passed\": true}, {\"check\": \"sampled regression 1\", \"actual\": {\"mode\": \"normal\", \"depart\": true, \"serve_hall\": true, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"bypass\", \"depart\": true, \"serve_hall\": false, \"cancel_car_calls\": false}, \"passed\": false}, {\"check\": \"control 4\", \"actual\": {\"mode\": \"normal\", \"depart\": true, \"serve_hall\": true, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"normal\", \"depart\": true, \"serve_hall\": true, \"cancel_car_calls\": false}, \"passed\": true}, {\"check\": \"control 7\", \"actual\": {\"mode\": \"overload\", \"depart\": false, \"serve_hall\": false, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"overload\", \"depart\": false, \"serve_hall\": false, \"cancel_car_calls\": false}, \"passed\": true}], \"passed\": false}\n"},"fixed":{"elapsed_ms":40.761,"exit_code":0,"observations":[{"actual":{"cancel_car_calls":false,"depart":true,"mode":"bypass","serve_hall":false},"check":"regression: exactly 80 percent","expected":{"cancel_car_calls":false,"depart":true,"mode":"bypass","serve_hall":false},"passed":true},{"actual":{"cancel_car_calls":false,"depart":true,"mode":"normal","serve_hall":true},"check":"boundary: just under 80 percent","expected":{"cancel_car_calls":false,"depart":true,"mode":"normal","serve_hall":true},"passed":true},{"actual":{"cancel_car_calls":false,"depart":true,"mode":"bypass","serve_hall":false},"check":"sampled regression 24","expected":{"cancel_car_calls":false,"depart":true,"mode":"bypass","serve_hall":false},"passed":true},{"actual":{"cancel_car_calls":false,"depart":true,"mode":"normal","serve_hall":true},"check":"control 3","expected":{"cancel_car_calls":false,"depart":true,"mode":"normal","serve_hall":true},"passed":true},{"actual":{"cancel_car_calls":false,"depart":true,"mode":"bypass","serve_hall":false},"check":"boundary: exactly 110 percent","expected":{"cancel_car_calls":false,"depart":true,"mode":"bypass","serve_hall":false},"passed":true},{"actual":{"cancel_car_calls":false,"depart":true,"mode":"bypass","serve_hall":false},"check":"sampled regression 1","expected":{"cancel_car_calls":false,"depart":true,"mode":"bypass","serve_hall":false},"passed":true},{"actual":{"cancel_car_calls":false,"depart":true,"mode":"normal","serve_hall":true},"check":"control 4","expected":{"cancel_car_calls":false,"depart":true,"mode":"normal","serve_hall":true},"passed":true},{"actual":{"cancel_car_calls":false,"depart":false,"mode":"overload","serve_hall":false},"check":"control 7","expected":{"cancel_car_calls":false,"depart":false,"mode":"overload","serve_hall":false},"passed":true}],"passed":true,"stderr":"","stdout":"{\"observations\": [{\"check\": \"regression: exactly 80 percent\", \"actual\": {\"mode\": \"bypass\", \"depart\": true, \"serve_hall\": false, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"bypass\", \"depart\": true, \"serve_hall\": false, \"cancel_car_calls\": false}, \"passed\": true}, {\"check\": \"boundary: just under 80 percent\", \"actual\": {\"mode\": \"normal\", \"depart\": true, \"serve_hall\": true, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"normal\", \"depart\": true, \"serve_hall\": true, \"cancel_car_calls\": false}, \"passed\": true}, {\"check\": \"sampled regression 24\", \"actual\": {\"mode\": \"bypass\", \"depart\": true, \"serve_hall\": false, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"bypass\", \"depart\": true, \"serve_hall\": false, \"cancel_car_calls\": false}, \"passed\": true}, {\"check\": \"control 3\", \"actual\": {\"mode\": \"normal\", \"depart\": true, \"serve_hall\": true, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"normal\", \"depart\": true, \"serve_hall\": true, \"cancel_car_calls\": false}, \"passed\": true}, {\"check\": \"boundary: exactly 110 percent\", \"actual\": {\"mode\": \"bypass\", \"depart\": true, \"serve_hall\": false, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"bypass\", \"depart\": true, \"serve_hall\": false, \"cancel_car_calls\": false}, \"passed\": true}, {\"check\": \"sampled regression 1\", \"actual\": {\"mode\": \"bypass\", \"depart\": true, \"serve_hall\": false, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"bypass\", \"depart\": true, \"serve_hall\": false, \"cancel_car_calls\": false}, \"passed\": true}, {\"check\": \"control 4\", \"actual\": {\"mode\": \"normal\", \"depart\": true, \"serve_hall\": true, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"normal\", \"depart\": true, \"serve_hall\": true, \"cancel_car_calls\": false}, \"passed\": true}, {\"check\": \"control 7\", \"actual\": {\"mode\": \"overload\", \"depart\": false, \"serve_hall\": false, \"cancel_car_calls\": false}, \"expected\": {\"mode\": \"overload\", \"depart\": false, \"serve_hall\": false, \"cancel_car_calls\": false}, \"passed\": true}], \"passed\": true}\n"}},"verified":true,"visibility":"public"}