{"abstract":"Empty input is misreported as blocked observer demand; the returned lifecycle plan violates the stated transition contract.","category":"Listener lifecycle","checks":8,"contract":"Plan local observer demand credit, not a network queue. A positive request adds credit up to a configured cap; nonpositive requests are rejected without consuming credit. Unlimited mode bypasses credit checks but not cancellation. A delivery consumes one credit only if delivered; buffered callbacks count against pending capacity, not demand. Cancellation clears outstanding demand. For the request-batch projection only, -1 is an explicit unlimited sentinel and the normalized result is None, otherwise positive requests saturate at cap. Inputs are finite state snapshots, including transitional and stale states; output fields are the exact independent actions/metadata defined by the corrected expression table. Numeric fixture capacities and counts vary with N.\nField definitions, each independently computed from the input snapshot: grant = min(s['cap'],s['credit']+max(0,s['request'])); invalid = s['request']<=0; allow = s['has_value'] and not s['cancel'] and (s['unlimited'] or s['credit']>0); consume = max(0,s['credit']-int(s['delivered'] and not s['unlimited'])); cancel_credit = None if -1 in s['requests'] else min(s['cap'],sum(max(0,x) for x in s['requests'])); buffer_space = max(0,s['capacity']-s['pending']); backpressured = s['has_value'] and not s['unlimited'] and s['credit']==0 and not s['cancel']; terminal_wait = s['complete'] and s['pending']>0 and not s['cancel']; request_upstream = max(0,s['request']) if not s['cancel'] and not s['complete'] else 0; saturation = s['credit']>=s['cap']","evaluation_group":"s3-listener-demand-credit","failed_approach":"The partial repair uses s['has_value'] and s['credit']==0; a retained regression distinguishes it from the full transition.","family":"s3-listener-demand-credit-backpressured","id":"FA-41971","implementations":{"attempt":{"sha256":"b9f8e2c42e101a16d4c43677f6c1fcbda4bdfd664392ad2c56d72c14c45e2455","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(s):\n    return {\n        'grant': min(s['cap'],s['credit']+max(0,s['request'])),\n        'invalid': s['request']<=0,\n        'allow': s['has_value'] and not s['cancel'] and (s['unlimited'] or s['credit']>0),\n        'consume': max(0,s['credit']-int(s['delivered'] and not s['unlimited'])),\n        'cancel_credit': None if -1 in s['requests'] else min(s['cap'],sum(max(0,x) for x in s['requests'])),\n        'buffer_space': max(0,s['capacity']-s['pending']),\n        'backpressured': s['has_value'] and s['credit']==0,\n        'terminal_wait': s['complete'] and s['pending']>0 and not s['cancel'],\n        'request_upstream': max(0,s['request']) if not s['cancel'] and not s['complete'] else 0,\n        'saturation': s['credit']>=s['cap'],\n    }\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = {1: [({'credit': 4, 'request': 0, 'cap': 2, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': False, 'pending': 3, 'capacity': 0, 'complete': True, 'requests': [2, -1, 3]}, {'grant': 2, 'invalid': True, 'allow': False, 'consume': 4, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': 3, 'cap': 0, 'unlimited': True, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 0, 'capacity': 0, 'complete': True, 'requests': [1, 2]}, {'grant': 0, 'invalid': False, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': [2, -1, 3]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 4, 'request': 0, 'cap': 8, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': [2, -1, 3]}, {'grant': 4, 'invalid': True, 'allow': False, 'consume': 4, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False}), ({'credit': 4, 'request': 3, 'cap': 8, 'unlimited': False, 'cancel': False, 'has_value': True, 'delivered': True, 'pending': 3, 'capacity': 0, 'complete': True, 'requests': [2, -1, 3]}, {'grant': 7, 'invalid': False, 'allow': True, 'consume': 3, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': True, 'request_upstream': 0, 'saturation': False}), ({'credit': 1, 'request': 3, 'cap': 2, 'unlimited': False, 'cancel': True, 'has_value': False, 'delivered': True, 'pending': 0, 'capacity': 2, 'complete': True, 'requests': []}, {'grant': 2, 'invalid': False, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 2, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': []}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 4, 'request': 3, 'cap': 8, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 3, 'capacity': 5, 'complete': True, 'requests': [1, 2]}, {'grant': 7, 'invalid': False, 'allow': False, 'consume': 4, 'cancel_credit': 3, 'buffer_space': 2, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False})], 2: [({'credit': 8, 'request': 0, 'cap': 0, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 6, 'capacity': 4, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 8, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': 6, 'cap': 0, 'unlimited': True, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 6, 'capacity': 10, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': False, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 4, 'backpressured': False, 'terminal_wait': True, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': False, 'cancel': True, 'has_value': True, 'delivered': False, 'pending': 0, 'capacity': 0, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 8, 'request': -1, 'cap': 0, 'unlimited': True, 'cancel': True, 'has_value': False, 'delivered': True, 'pending': 0, 'capacity': 10, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 8, 'cancel_credit': None, 'buffer_space': 10, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 8, 'request': 0, 'cap': 0, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 6, 'capacity': 0, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 8, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': True, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': 0, 'cap': 4, 'unlimited': True, 'cancel': False, 'has_value': False, 'delivered': True, 'pending': 0, 'capacity': 10, 'complete': False, 'requests': [1, 4]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': 4, 'buffer_space': 10, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': []}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 8, 'request': 6, 'cap': 16, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 6, 'capacity': 10, 'complete': True, 'requests': [1, 4]}, {'grant': 14, 'invalid': False, 'allow': False, 'consume': 8, 'cancel_credit': 5, 'buffer_space': 4, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False})], 3: [({'credit': 1, 'request': 0, 'cap': 0, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 9, 'capacity': 6, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 1, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': 9, 'cap': 0, 'unlimited': True, 'cancel': False, 'has_value': True, 'delivered': False, 'pending': 0, 'capacity': 6, 'complete': True, 'requests': [1, 6]}, {'grant': 0, 'invalid': False, 'allow': True, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 6, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': -1, 'cap': 24, 'unlimited': True, 'cancel': False, 'has_value': False, 'delivered': True, 'pending': 9, 'capacity': 6, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': True, 'request_upstream': 0, 'saturation': False}), ({'credit': 0, 'request': 9, 'cap': 24, 'unlimited': False, 'cancel': True, 'has_value': True, 'delivered': False, 'pending': 0, 'capacity': 6, 'complete': True, 'requests': []}, {'grant': 9, 'invalid': False, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 6, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False}), ({'credit': 12, 'request': -1, 'cap': 6, 'unlimited': True, 'cancel': False, 'has_value': True, 'delivered': True, 'pending': 0, 'capacity': 6, 'complete': False, 'requests': [1, 6]}, {'grant': 6, 'invalid': True, 'allow': True, 'consume': 12, 'cancel_credit': 6, 'buffer_space': 6, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 1, 'request': 0, 'cap': 24, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': True, 'pending': 9, 'capacity': 0, 'complete': True, 'requests': [-1]}, {'grant': 1, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': True, 'request_upstream': 0, 'saturation': False}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': []}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 12, 'request': 9, 'cap': 24, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 9, 'capacity': 15, 'complete': True, 'requests': [1, 6]}, {'grant': 21, 'invalid': False, 'allow': False, 'consume': 12, 'cancel_credit': 7, 'buffer_space': 6, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False})], 4: [({'credit': 16, 'request': 12, 'cap': 8, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 12, 'capacity': 8, 'complete': True, 'requests': [8, -1, 12]}, {'grant': 8, 'invalid': False, 'allow': False, 'consume': 16, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': True, 'cancel': False, 'has_value': True, 'delivered': False, 'pending': 12, 'capacity': 20, 'complete': False, 'requests': []}, {'grant': 0, 'invalid': True, 'allow': True, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 8, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 1, 'request': 0, 'cap': 8, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 12, 'capacity': 20, 'complete': True, 'requests': [8, -1, 12]}, {'grant': 1, 'invalid': True, 'allow': False, 'consume': 1, 'cancel_credit': None, 'buffer_space': 8, 'backpressured': False, 'terminal_wait': True, 'request_upstream': 0, 'saturation': False}), ({'credit': 1, 'request': 12, 'cap': 8, 'unlimited': False, 'cancel': False, 'has_value': True, 'delivered': True, 'pending': 12, 'capacity': 8, 'complete': True, 'requests': [8, -1, 12]}, {'grant': 8, 'invalid': False, 'allow': True, 'consume': 0, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': True, 'request_upstream': 0, 'saturation': False}), ({'credit': 1, 'request': 12, 'cap': 32, 'unlimited': True, 'cancel': False, 'has_value': False, 'delivered': True, 'pending': 0, 'capacity': 20, 'complete': False, 'requests': [8, -1, 12]}, {'grant': 13, 'invalid': False, 'allow': False, 'consume': 1, 'cancel_credit': None, 'buffer_space': 20, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 12, 'saturation': False}), ({'credit': 0, 'request': 12, 'cap': 0, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': False, 'pending': 0, 'capacity': 8, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': False, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 8, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': []}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 16, 'request': 12, 'cap': 32, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 12, 'capacity': 20, 'complete': True, 'requests': [1, 8]}, {'grant': 28, 'invalid': False, 'allow': False, 'consume': 16, 'cancel_credit': 9, 'buffer_space': 8, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False})], 5: [({'credit': 20, 'request': 0, 'cap': 0, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 15, 'capacity': 0, 'complete': True, 'requests': [10, -1, 15]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 20, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': 15, 'cap': 0, 'unlimited': True, 'cancel': False, 'has_value': False, 'delivered': True, 'pending': 0, 'capacity': 0, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': False, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': -1, 'cap': 10, 'unlimited': False, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 15, 'capacity': 25, 'complete': False, 'requests': [-1]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 10, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False}), ({'credit': 20, 'request': 15, 'cap': 10, 'unlimited': False, 'cancel': False, 'has_value': True, 'delivered': True, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': [1, 10]}, {'grant': 10, 'invalid': False, 'allow': True, 'consume': 19, 'cancel_credit': 10, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 15, 'saturation': True}), ({'credit': 1, 'request': 0, 'cap': 40, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 15, 'capacity': 25, 'complete': False, 'requests': []}, {'grant': 1, 'invalid': True, 'allow': False, 'consume': 1, 'cancel_credit': 0, 'buffer_space': 10, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False}), ({'credit': 20, 'request': -1, 'cap': 10, 'unlimited': True, 'cancel': False, 'has_value': True, 'delivered': True, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': [10, -1, 15]}, {'grant': 10, 'invalid': True, 'allow': True, 'consume': 20, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': []}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 20, 'request': 15, 'cap': 40, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 15, 'capacity': 25, 'complete': True, 'requests': [1, 10]}, {'grant': 35, 'invalid': False, 'allow': False, 'consume': 20, 'cancel_credit': 11, 'buffer_space': 10, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False})]}\nfor i,(state,expected) in enumerate(fixtures[N]):\n    check(\"transition \"+str(i), solve(state), 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":"56fff9012df009396fc170b29a8d142a889f5309e1d644d8ed0596cf8b8a257f","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(s):\n    return {\n        'grant': min(s['cap'],s['credit']+max(0,s['request'])),\n        'invalid': s['request']<=0,\n        'allow': s['has_value'] and not s['cancel'] and (s['unlimited'] or s['credit']>0),\n        'consume': max(0,s['credit']-int(s['delivered'] and not s['unlimited'])),\n        'cancel_credit': None if -1 in s['requests'] else min(s['cap'],sum(max(0,x) for x in s['requests'])),\n        'buffer_space': max(0,s['capacity']-s['pending']),\n        'backpressured': s['credit']==0,\n        'terminal_wait': s['complete'] and s['pending']>0 and not s['cancel'],\n        'request_upstream': max(0,s['request']) if not s['cancel'] and not s['complete'] else 0,\n        'saturation': s['credit']>=s['cap'],\n    }\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = {1: [({'credit': 4, 'request': 0, 'cap': 2, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': False, 'pending': 3, 'capacity': 0, 'complete': True, 'requests': [2, -1, 3]}, {'grant': 2, 'invalid': True, 'allow': False, 'consume': 4, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': 3, 'cap': 0, 'unlimited': True, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 0, 'capacity': 0, 'complete': True, 'requests': [1, 2]}, {'grant': 0, 'invalid': False, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': [2, -1, 3]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 4, 'request': 0, 'cap': 8, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': [2, -1, 3]}, {'grant': 4, 'invalid': True, 'allow': False, 'consume': 4, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False}), ({'credit': 4, 'request': 3, 'cap': 8, 'unlimited': False, 'cancel': False, 'has_value': True, 'delivered': True, 'pending': 3, 'capacity': 0, 'complete': True, 'requests': [2, -1, 3]}, {'grant': 7, 'invalid': False, 'allow': True, 'consume': 3, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': True, 'request_upstream': 0, 'saturation': False}), ({'credit': 1, 'request': 3, 'cap': 2, 'unlimited': False, 'cancel': True, 'has_value': False, 'delivered': True, 'pending': 0, 'capacity': 2, 'complete': True, 'requests': []}, {'grant': 2, 'invalid': False, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 2, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': []}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 4, 'request': 3, 'cap': 8, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 3, 'capacity': 5, 'complete': True, 'requests': [1, 2]}, {'grant': 7, 'invalid': False, 'allow': False, 'consume': 4, 'cancel_credit': 3, 'buffer_space': 2, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False})], 2: [({'credit': 8, 'request': 0, 'cap': 0, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 6, 'capacity': 4, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 8, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': 6, 'cap': 0, 'unlimited': True, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 6, 'capacity': 10, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': False, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 4, 'backpressured': False, 'terminal_wait': True, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': False, 'cancel': True, 'has_value': True, 'delivered': False, 'pending': 0, 'capacity': 0, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 8, 'request': -1, 'cap': 0, 'unlimited': True, 'cancel': True, 'has_value': False, 'delivered': True, 'pending': 0, 'capacity': 10, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 8, 'cancel_credit': None, 'buffer_space': 10, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 8, 'request': 0, 'cap': 0, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 6, 'capacity': 0, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 8, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': True, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': 0, 'cap': 4, 'unlimited': True, 'cancel': False, 'has_value': False, 'delivered': True, 'pending': 0, 'capacity': 10, 'complete': False, 'requests': [1, 4]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': 4, 'buffer_space': 10, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': []}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 8, 'request': 6, 'cap': 16, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 6, 'capacity': 10, 'complete': True, 'requests': [1, 4]}, {'grant': 14, 'invalid': False, 'allow': False, 'consume': 8, 'cancel_credit': 5, 'buffer_space': 4, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False})], 3: [({'credit': 1, 'request': 0, 'cap': 0, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 9, 'capacity': 6, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 1, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': 9, 'cap': 0, 'unlimited': True, 'cancel': False, 'has_value': True, 'delivered': False, 'pending': 0, 'capacity': 6, 'complete': True, 'requests': [1, 6]}, {'grant': 0, 'invalid': False, 'allow': True, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 6, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': -1, 'cap': 24, 'unlimited': True, 'cancel': False, 'has_value': False, 'delivered': True, 'pending': 9, 'capacity': 6, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': True, 'request_upstream': 0, 'saturation': False}), ({'credit': 0, 'request': 9, 'cap': 24, 'unlimited': False, 'cancel': True, 'has_value': True, 'delivered': False, 'pending': 0, 'capacity': 6, 'complete': True, 'requests': []}, {'grant': 9, 'invalid': False, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 6, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False}), ({'credit': 12, 'request': -1, 'cap': 6, 'unlimited': True, 'cancel': False, 'has_value': True, 'delivered': True, 'pending': 0, 'capacity': 6, 'complete': False, 'requests': [1, 6]}, {'grant': 6, 'invalid': True, 'allow': True, 'consume': 12, 'cancel_credit': 6, 'buffer_space': 6, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 1, 'request': 0, 'cap': 24, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': True, 'pending': 9, 'capacity': 0, 'complete': True, 'requests': [-1]}, {'grant': 1, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': True, 'request_upstream': 0, 'saturation': False}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': []}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 12, 'request': 9, 'cap': 24, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 9, 'capacity': 15, 'complete': True, 'requests': [1, 6]}, {'grant': 21, 'invalid': False, 'allow': False, 'consume': 12, 'cancel_credit': 7, 'buffer_space': 6, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False})], 4: [({'credit': 16, 'request': 12, 'cap': 8, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 12, 'capacity': 8, 'complete': True, 'requests': [8, -1, 12]}, {'grant': 8, 'invalid': False, 'allow': False, 'consume': 16, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': True, 'cancel': False, 'has_value': True, 'delivered': False, 'pending': 12, 'capacity': 20, 'complete': False, 'requests': []}, {'grant': 0, 'invalid': True, 'allow': True, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 8, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 1, 'request': 0, 'cap': 8, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 12, 'capacity': 20, 'complete': True, 'requests': [8, -1, 12]}, {'grant': 1, 'invalid': True, 'allow': False, 'consume': 1, 'cancel_credit': None, 'buffer_space': 8, 'backpressured': False, 'terminal_wait': True, 'request_upstream': 0, 'saturation': False}), ({'credit': 1, 'request': 12, 'cap': 8, 'unlimited': False, 'cancel': False, 'has_value': True, 'delivered': True, 'pending': 12, 'capacity': 8, 'complete': True, 'requests': [8, -1, 12]}, {'grant': 8, 'invalid': False, 'allow': True, 'consume': 0, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': True, 'request_upstream': 0, 'saturation': False}), ({'credit': 1, 'request': 12, 'cap': 32, 'unlimited': True, 'cancel': False, 'has_value': False, 'delivered': True, 'pending': 0, 'capacity': 20, 'complete': False, 'requests': [8, -1, 12]}, {'grant': 13, 'invalid': False, 'allow': False, 'consume': 1, 'cancel_credit': None, 'buffer_space': 20, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 12, 'saturation': False}), ({'credit': 0, 'request': 12, 'cap': 0, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': False, 'pending': 0, 'capacity': 8, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': False, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 8, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': []}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 16, 'request': 12, 'cap': 32, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 12, 'capacity': 20, 'complete': True, 'requests': [1, 8]}, {'grant': 28, 'invalid': False, 'allow': False, 'consume': 16, 'cancel_credit': 9, 'buffer_space': 8, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False})], 5: [({'credit': 20, 'request': 0, 'cap': 0, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 15, 'capacity': 0, 'complete': True, 'requests': [10, -1, 15]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 20, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': 15, 'cap': 0, 'unlimited': True, 'cancel': False, 'has_value': False, 'delivered': True, 'pending': 0, 'capacity': 0, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': False, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': -1, 'cap': 10, 'unlimited': False, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 15, 'capacity': 25, 'complete': False, 'requests': [-1]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 10, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False}), ({'credit': 20, 'request': 15, 'cap': 10, 'unlimited': False, 'cancel': False, 'has_value': True, 'delivered': True, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': [1, 10]}, {'grant': 10, 'invalid': False, 'allow': True, 'consume': 19, 'cancel_credit': 10, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 15, 'saturation': True}), ({'credit': 1, 'request': 0, 'cap': 40, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 15, 'capacity': 25, 'complete': False, 'requests': []}, {'grant': 1, 'invalid': True, 'allow': False, 'consume': 1, 'cancel_credit': 0, 'buffer_space': 10, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False}), ({'credit': 20, 'request': -1, 'cap': 10, 'unlimited': True, 'cancel': False, 'has_value': True, 'delivered': True, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': [10, -1, 15]}, {'grant': 10, 'invalid': True, 'allow': True, 'consume': 20, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': []}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 20, 'request': 15, 'cap': 40, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 15, 'capacity': 25, 'complete': True, 'requests': [1, 10]}, {'grant': 35, 'invalid': False, 'allow': False, 'consume': 20, 'cancel_credit': 11, 'buffer_space': 10, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False})]}\nfor i,(state,expected) in enumerate(fixtures[N]):\n    check(\"transition \"+str(i), solve(state), 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":"6bd5c862e4a7469cc2964e27ba88e3b4c15fd110068c70e920d792b83d6f7dee","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(s):\n    return {\n        'grant': min(s['cap'],s['credit']+max(0,s['request'])),\n        'invalid': s['request']<=0,\n        'allow': s['has_value'] and not s['cancel'] and (s['unlimited'] or s['credit']>0),\n        'consume': max(0,s['credit']-int(s['delivered'] and not s['unlimited'])),\n        'cancel_credit': None if -1 in s['requests'] else min(s['cap'],sum(max(0,x) for x in s['requests'])),\n        'buffer_space': max(0,s['capacity']-s['pending']),\n        'backpressured': s['has_value'] and not s['unlimited'] and s['credit']==0 and not s['cancel'],\n        'terminal_wait': s['complete'] and s['pending']>0 and not s['cancel'],\n        'request_upstream': max(0,s['request']) if not s['cancel'] and not s['complete'] else 0,\n        'saturation': s['credit']>=s['cap'],\n    }\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = {1: [({'credit': 4, 'request': 0, 'cap': 2, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': False, 'pending': 3, 'capacity': 0, 'complete': True, 'requests': [2, -1, 3]}, {'grant': 2, 'invalid': True, 'allow': False, 'consume': 4, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': 3, 'cap': 0, 'unlimited': True, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 0, 'capacity': 0, 'complete': True, 'requests': [1, 2]}, {'grant': 0, 'invalid': False, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': [2, -1, 3]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 4, 'request': 0, 'cap': 8, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': [2, -1, 3]}, {'grant': 4, 'invalid': True, 'allow': False, 'consume': 4, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False}), ({'credit': 4, 'request': 3, 'cap': 8, 'unlimited': False, 'cancel': False, 'has_value': True, 'delivered': True, 'pending': 3, 'capacity': 0, 'complete': True, 'requests': [2, -1, 3]}, {'grant': 7, 'invalid': False, 'allow': True, 'consume': 3, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': True, 'request_upstream': 0, 'saturation': False}), ({'credit': 1, 'request': 3, 'cap': 2, 'unlimited': False, 'cancel': True, 'has_value': False, 'delivered': True, 'pending': 0, 'capacity': 2, 'complete': True, 'requests': []}, {'grant': 2, 'invalid': False, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 2, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': []}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 4, 'request': 3, 'cap': 8, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 3, 'capacity': 5, 'complete': True, 'requests': [1, 2]}, {'grant': 7, 'invalid': False, 'allow': False, 'consume': 4, 'cancel_credit': 3, 'buffer_space': 2, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False})], 2: [({'credit': 8, 'request': 0, 'cap': 0, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 6, 'capacity': 4, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 8, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': 6, 'cap': 0, 'unlimited': True, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 6, 'capacity': 10, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': False, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 4, 'backpressured': False, 'terminal_wait': True, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': False, 'cancel': True, 'has_value': True, 'delivered': False, 'pending': 0, 'capacity': 0, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 8, 'request': -1, 'cap': 0, 'unlimited': True, 'cancel': True, 'has_value': False, 'delivered': True, 'pending': 0, 'capacity': 10, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 8, 'cancel_credit': None, 'buffer_space': 10, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 8, 'request': 0, 'cap': 0, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 6, 'capacity': 0, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 8, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': True, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': 0, 'cap': 4, 'unlimited': True, 'cancel': False, 'has_value': False, 'delivered': True, 'pending': 0, 'capacity': 10, 'complete': False, 'requests': [1, 4]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': 4, 'buffer_space': 10, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': []}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 8, 'request': 6, 'cap': 16, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 6, 'capacity': 10, 'complete': True, 'requests': [1, 4]}, {'grant': 14, 'invalid': False, 'allow': False, 'consume': 8, 'cancel_credit': 5, 'buffer_space': 4, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False})], 3: [({'credit': 1, 'request': 0, 'cap': 0, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 9, 'capacity': 6, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 1, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': 9, 'cap': 0, 'unlimited': True, 'cancel': False, 'has_value': True, 'delivered': False, 'pending': 0, 'capacity': 6, 'complete': True, 'requests': [1, 6]}, {'grant': 0, 'invalid': False, 'allow': True, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 6, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': -1, 'cap': 24, 'unlimited': True, 'cancel': False, 'has_value': False, 'delivered': True, 'pending': 9, 'capacity': 6, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': True, 'request_upstream': 0, 'saturation': False}), ({'credit': 0, 'request': 9, 'cap': 24, 'unlimited': False, 'cancel': True, 'has_value': True, 'delivered': False, 'pending': 0, 'capacity': 6, 'complete': True, 'requests': []}, {'grant': 9, 'invalid': False, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 6, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False}), ({'credit': 12, 'request': -1, 'cap': 6, 'unlimited': True, 'cancel': False, 'has_value': True, 'delivered': True, 'pending': 0, 'capacity': 6, 'complete': False, 'requests': [1, 6]}, {'grant': 6, 'invalid': True, 'allow': True, 'consume': 12, 'cancel_credit': 6, 'buffer_space': 6, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 1, 'request': 0, 'cap': 24, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': True, 'pending': 9, 'capacity': 0, 'complete': True, 'requests': [-1]}, {'grant': 1, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': True, 'request_upstream': 0, 'saturation': False}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': []}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 12, 'request': 9, 'cap': 24, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 9, 'capacity': 15, 'complete': True, 'requests': [1, 6]}, {'grant': 21, 'invalid': False, 'allow': False, 'consume': 12, 'cancel_credit': 7, 'buffer_space': 6, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False})], 4: [({'credit': 16, 'request': 12, 'cap': 8, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 12, 'capacity': 8, 'complete': True, 'requests': [8, -1, 12]}, {'grant': 8, 'invalid': False, 'allow': False, 'consume': 16, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': True, 'cancel': False, 'has_value': True, 'delivered': False, 'pending': 12, 'capacity': 20, 'complete': False, 'requests': []}, {'grant': 0, 'invalid': True, 'allow': True, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 8, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 1, 'request': 0, 'cap': 8, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 12, 'capacity': 20, 'complete': True, 'requests': [8, -1, 12]}, {'grant': 1, 'invalid': True, 'allow': False, 'consume': 1, 'cancel_credit': None, 'buffer_space': 8, 'backpressured': False, 'terminal_wait': True, 'request_upstream': 0, 'saturation': False}), ({'credit': 1, 'request': 12, 'cap': 8, 'unlimited': False, 'cancel': False, 'has_value': True, 'delivered': True, 'pending': 12, 'capacity': 8, 'complete': True, 'requests': [8, -1, 12]}, {'grant': 8, 'invalid': False, 'allow': True, 'consume': 0, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': True, 'request_upstream': 0, 'saturation': False}), ({'credit': 1, 'request': 12, 'cap': 32, 'unlimited': True, 'cancel': False, 'has_value': False, 'delivered': True, 'pending': 0, 'capacity': 20, 'complete': False, 'requests': [8, -1, 12]}, {'grant': 13, 'invalid': False, 'allow': False, 'consume': 1, 'cancel_credit': None, 'buffer_space': 20, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 12, 'saturation': False}), ({'credit': 0, 'request': 12, 'cap': 0, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': False, 'pending': 0, 'capacity': 8, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': False, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 8, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': []}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 16, 'request': 12, 'cap': 32, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 12, 'capacity': 20, 'complete': True, 'requests': [1, 8]}, {'grant': 28, 'invalid': False, 'allow': False, 'consume': 16, 'cancel_credit': 9, 'buffer_space': 8, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False})], 5: [({'credit': 20, 'request': 0, 'cap': 0, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 15, 'capacity': 0, 'complete': True, 'requests': [10, -1, 15]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 20, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': 15, 'cap': 0, 'unlimited': True, 'cancel': False, 'has_value': False, 'delivered': True, 'pending': 0, 'capacity': 0, 'complete': True, 'requests': [-1]}, {'grant': 0, 'invalid': False, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': -1, 'cap': 10, 'unlimited': False, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 15, 'capacity': 25, 'complete': False, 'requests': [-1]}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': None, 'buffer_space': 10, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False}), ({'credit': 20, 'request': 15, 'cap': 10, 'unlimited': False, 'cancel': False, 'has_value': True, 'delivered': True, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': [1, 10]}, {'grant': 10, 'invalid': False, 'allow': True, 'consume': 19, 'cancel_credit': 10, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 15, 'saturation': True}), ({'credit': 1, 'request': 0, 'cap': 40, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 15, 'capacity': 25, 'complete': False, 'requests': []}, {'grant': 1, 'invalid': True, 'allow': False, 'consume': 1, 'cancel_credit': 0, 'buffer_space': 10, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False}), ({'credit': 20, 'request': -1, 'cap': 10, 'unlimited': True, 'cancel': False, 'has_value': True, 'delivered': True, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': [10, -1, 15]}, {'grant': 10, 'invalid': True, 'allow': True, 'consume': 20, 'cancel_credit': None, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 0, 'request': -1, 'cap': 0, 'unlimited': False, 'cancel': False, 'has_value': False, 'delivered': False, 'pending': 0, 'capacity': 0, 'complete': False, 'requests': []}, {'grant': 0, 'invalid': True, 'allow': False, 'consume': 0, 'cancel_credit': 0, 'buffer_space': 0, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': True}), ({'credit': 20, 'request': 15, 'cap': 40, 'unlimited': True, 'cancel': True, 'has_value': True, 'delivered': True, 'pending': 15, 'capacity': 25, 'complete': True, 'requests': [1, 10]}, {'grant': 35, 'invalid': False, 'allow': False, 'consume': 20, 'cancel_credit': 11, 'buffer_space': 10, 'backpressured': False, 'terminal_wait': False, 'request_upstream': 0, 'saturation': False})]}\nfor i,(state,expected) in enumerate(fixtures[N]):\n    check(\"transition \"+str(i), solve(state), 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":"A deterministic, bounded, single-threaded transition planner. Returned plans model state changes; they do not implement a production event framework. This reproducer isolates one failure mechanism. Results cover the supplied fixtures. Variants within a family share a test contract and should remain grouped when constructing evaluation splits. Related mechanisms with a shared evaluation_group must also remain together; these controlled models are not independent production incidents.","method":"Deterministic executable model with adversarial boundary fixtures.","provenance":{"created_by":"Failure Map","dependencies":"Python standard library","family":"s3-listener-demand-credit-backpressured","generated_at":"2026-09-29T14:43:46.770932+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Observer implementations need to preserve this state while subscriptions enter, execute, and leave their lifecycle.","repair":"Compute the backpressured decision from the complete contract: s['has_value'] and not s['unlimited'] and s['credit']==0 and not s['cancel'].","root_cause":"The backpressured decision in the demand-credit listener model is computed as s['credit']==0, losing a required lifecycle condition.","sha256":"e24f2552e7df1f968aab4502a12971a86c8f4037400143c53a65d4aac4c4845b","title":"Empty input is misreported as blocked observer demand · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verification":{"attempt":{"elapsed_ms":42.077,"exit_code":1,"observations":[{"actual":{"allow":false,"backpressured":false,"buffer_space":0,"cancel_credit":null,"consume":4,"grant":2,"invalid":true,"request_upstream":0,"saturation":true,"terminal_wait":false},"check":"transition 0","expected":{"allow":false,"backpressured":false,"buffer_space":0,"cancel_credit":null,"consume":4,"grant":2,"invalid":true,"request_upstream":0,"saturation":true,"terminal_wait":false},"passed":true},{"actual":{"allow":false,"backpressured":false,"buffer_space":0,"cancel_credit":0,"consume":0,"grant":0,"invalid":false,"request_upstream":0,"saturation":true,"terminal_wait":false},"check":"transition 1","expected":{"allow":false,"backpressured":false,"buffer_space":0,"cancel_credit":0,"consume":0,"grant":0,"invalid":false,"request_upstream":0,"saturation":true,"terminal_wait":false},"passed":true},{"actual":{"allow":false,"backpressured":true,"buffer_space":0,"cancel_credit":null,"consume":0,"grant":0,"invalid":true,"request_upstream":0,"saturation":true,"terminal_wait":false},"check":"transition 2","expected":{"allow":false,"backpressured":false,"buffer_space":0,"cancel_credit":null,"consume":0,"grant":0,"invalid":true,"request_upstream":0,"saturation":true,"terminal_wait":false},"passed":false},{"actual":{"allow":false,"backpressured":false,"buffer_space":0,"cancel_credit":null,"consume":4,"grant":4,"invalid":true,"request_upstream":0,"saturation":false,"terminal_wait":false},"check":"transition 3","expected":{"allow":false,"backpressured":false,"buffer_space":0,"cancel_credit":null,"consume":4,"grant":4,"invalid":true,"request_upstream":0,"saturation":false,"terminal_wait":false},"passed":true},{"actual":{"allow":true,"backpressured":false,"buffer_space":0,"cancel_credit":null,"consume":3,"grant":7,"invalid":false,"request_upstream":0,"saturation":false,"terminal_wait":true},"check":"transition 4","expected":{"allow":true,"backpressured":false,"buffer_space":0,"cancel_credit":null,"consume":3,"grant":7,"invalid":false,"request_upstream":0,"saturation":false,"terminal_wait":true},"passed":true},{"actual":{"allow":false,"backpressured":false,"buffer_space":2,"cancel_credit":0,"consume":0,"grant":2,"invalid":false,"request_upstream":0,"saturation":false,"terminal_wait":false},"check":"transition 5","expected":{"allow":false,"backpressured":false,"buffer_space":2,"cancel_credit":0,"consume":0,"grant":2,"invalid":false,"request_upstream":0,"saturation":false,"terminal_wait":false},"passed":true},{"actual":{"allow":false,"backpressured":false,"buffer_space":0,"cancel_credit":0,"consume":0,"grant":0,"invalid":true,"request_upstream":0,"saturation":true,"terminal_wait":false},"check":"transition 6","expected":{"allow":false,"backpressured":false,"buffer_space":0,"cancel_credit":0,"consume":0,"grant":0,"invalid":true,"request_upstream":0,"saturation":true,"terminal_wait":false},"passed":true},{"actual":{"allow":false,"backpressured":false,"buffer_space":2,"cancel_credit":3,"consume":4,"grant":7,"invalid":false,"request_upstream":0,"saturation":false,"terminal_wait":false},"check":"transition 7","expected":{"allow":false,"backpressured":false,"buffer_space":2,"cancel_credit":3,"consume":4,"grant":7,"invalid":false,"request_upstream":0,"saturation":false,"terminal_wait":false},"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"transition 0\", \"actual\": {\"grant\": 2, \"invalid\": true, \"allow\": false, \"consume\": 4, \"cancel_credit\": null, \"buffer_space\": 0, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": true}, \"expected\": {\"grant\": 2, \"invalid\": true, \"allow\": false, \"consume\": 4, \"cancel_credit\": null, \"buffer_space\": 0, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": true}, \"passed\": true}, {\"check\": \"transition 1\", \"actual\": {\"grant\": 0, \"invalid\": false, \"allow\": false, \"consume\": 0, \"cancel_credit\": 0, \"buffer_space\": 0, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": true}, \"expected\": {\"grant\": 0, \"invalid\": false, \"allow\": false, \"consume\": 0, \"cancel_credit\": 0, \"buffer_space\": 0, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": true}, \"passed\": true}, {\"check\": \"transition 2\", \"actual\": {\"grant\": 0, \"invalid\": true, \"allow\": false, \"consume\": 0, \"cancel_credit\": null, \"buffer_space\": 0, \"backpressured\": true, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": true}, \"expected\": {\"grant\": 0, \"invalid\": true, \"allow\": false, \"consume\": 0, \"cancel_credit\": null, \"buffer_space\": 0, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": true}, \"passed\": false}, {\"check\": \"transition 3\", \"actual\": {\"grant\": 4, \"invalid\": true, \"allow\": false, \"consume\": 4, \"cancel_credit\": null, \"buffer_space\": 0, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": false}, \"expected\": {\"grant\": 4, \"invalid\": true, \"allow\": false, \"consume\": 4, \"cancel_credit\": null, \"buffer_space\": 0, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": false}, \"passed\": true}, {\"check\": \"transition 4\", \"actual\": {\"grant\": 7, \"invalid\": false, \"allow\": true, \"consume\": 3, \"cancel_credit\": null, \"buffer_space\": 0, \"backpressured\": false, \"terminal_wait\": true, \"request_upstream\": 0, \"saturation\": false}, \"expected\": {\"grant\": 7, \"invalid\": false, \"allow\": true, \"consume\": 3, \"cancel_credit\": null, \"buffer_space\": 0, \"backpressured\": false, \"terminal_wait\": true, \"request_upstream\": 0, \"saturation\": false}, \"passed\": true}, {\"check\": \"transition 5\", \"actual\": {\"grant\": 2, \"invalid\": false, \"allow\": false, \"consume\": 0, \"cancel_credit\": 0, \"buffer_space\": 2, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": false}, \"expected\": {\"grant\": 2, \"invalid\": false, \"allow\": false, \"consume\": 0, \"cancel_credit\": 0, \"buffer_space\": 2, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": false}, \"passed\": true}, {\"check\": \"transition 6\", \"actual\": {\"grant\": 0, \"invalid\": true, \"allow\": false, \"consume\": 0, \"cancel_credit\": 0, \"buffer_space\": 0, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": true}, \"expected\": {\"grant\": 0, \"invalid\": true, \"allow\": false, \"consume\": 0, \"cancel_credit\": 0, \"buffer_space\": 0, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": true}, \"passed\": true}, {\"check\": \"transition 7\", \"actual\": {\"grant\": 7, \"invalid\": false, \"allow\": false, \"consume\": 4, \"cancel_credit\": 3, \"buffer_space\": 2, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": false}, \"expected\": {\"grant\": 7, \"invalid\": false, \"allow\": false, \"consume\": 4, \"cancel_credit\": 3, \"buffer_space\": 2, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": false}, \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":43.826,"exit_code":1,"observations":[{"actual":{"allow":false,"backpressured":false,"buffer_space":0,"cancel_credit":null,"consume":4,"grant":2,"invalid":true,"request_upstream":0,"saturation":true,"terminal_wait":false},"check":"transition 0","expected":{"allow":false,"backpressured":false,"buffer_space":0,"cancel_credit":null,"consume":4,"grant":2,"invalid":true,"request_upstream":0,"saturation":true,"terminal_wait":false},"passed":true},{"actual":{"allow":false,"backpressured":true,"buffer_space":0,"cancel_credit":0,"consume":0,"grant":0,"invalid":false,"request_upstream":0,"saturation":true,"terminal_wait":false},"check":"transition 1","expected":{"allow":false,"backpressured":false,"buffer_space":0,"cancel_credit":0,"consume":0,"grant":0,"invalid":false,"request_upstream":0,"saturation":true,"terminal_wait":false},"passed":false},{"actual":{"allow":false,"backpressured":true,"buffer_space":0,"cancel_credit":null,"consume":0,"grant":0,"invalid":true,"request_upstream":0,"saturation":true,"terminal_wait":false},"check":"transition 2","expected":{"allow":false,"backpressured":false,"buffer_space":0,"cancel_credit":null,"consume":0,"grant":0,"invalid":true,"request_upstream":0,"saturation":true,"terminal_wait":false},"passed":false},{"actual":{"allow":false,"backpressured":false,"buffer_space":0,"cancel_credit":null,"consume":4,"grant":4,"invalid":true,"request_upstream":0,"saturation":false,"terminal_wait":false},"check":"transition 3","expected":{"allow":false,"backpressured":false,"buffer_space":0,"cancel_credit":null,"consume":4,"grant":4,"invalid":true,"request_upstream":0,"saturation":false,"terminal_wait":false},"passed":true},{"actual":{"allow":true,"backpressured":false,"buffer_space":0,"cancel_credit":null,"consume":3,"grant":7,"invalid":false,"request_upstream":0,"saturation":false,"terminal_wait":true},"check":"transition 4","expected":{"allow":true,"backpressured":false,"buffer_space":0,"cancel_credit":null,"consume":3,"grant":7,"invalid":false,"request_upstream":0,"saturation":false,"terminal_wait":true},"passed":true},{"actual":{"allow":false,"backpressured":false,"buffer_space":2,"cancel_credit":0,"consume":0,"grant":2,"invalid":false,"request_upstream":0,"saturation":false,"terminal_wait":false},"check":"transition 5","expected":{"allow":false,"backpressured":false,"buffer_space":2,"cancel_credit":0,"consume":0,"grant":2,"invalid":false,"request_upstream":0,"saturation":false,"terminal_wait":false},"passed":true},{"actual":{"allow":false,"backpressured":true,"buffer_space":0,"cancel_credit":0,"consume":0,"grant":0,"invalid":true,"request_upstream":0,"saturation":true,"terminal_wait":false},"check":"transition 6","expected":{"allow":false,"backpressured":false,"buffer_space":0,"cancel_credit":0,"consume":0,"grant":0,"invalid":true,"request_upstream":0,"saturation":true,"terminal_wait":false},"passed":false},{"actual":{"allow":false,"backpressured":false,"buffer_space":2,"cancel_credit":3,"consume":4,"grant":7,"invalid":false,"request_upstream":0,"saturation":false,"terminal_wait":false},"check":"transition 7","expected":{"allow":false,"backpressured":false,"buffer_space":2,"cancel_credit":3,"consume":4,"grant":7,"invalid":false,"request_upstream":0,"saturation":false,"terminal_wait":false},"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"transition 0\", \"actual\": {\"grant\": 2, \"invalid\": true, \"allow\": false, \"consume\": 4, \"cancel_credit\": null, \"buffer_space\": 0, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": true}, \"expected\": {\"grant\": 2, \"invalid\": true, \"allow\": false, \"consume\": 4, \"cancel_credit\": null, \"buffer_space\": 0, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": true}, \"passed\": true}, {\"check\": \"transition 1\", \"actual\": {\"grant\": 0, \"invalid\": false, \"allow\": false, \"consume\": 0, \"cancel_credit\": 0, \"buffer_space\": 0, \"backpressured\": true, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": true}, \"expected\": {\"grant\": 0, \"invalid\": false, \"allow\": false, \"consume\": 0, \"cancel_credit\": 0, \"buffer_space\": 0, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": true}, \"passed\": false}, {\"check\": \"transition 2\", \"actual\": {\"grant\": 0, \"invalid\": true, \"allow\": false, \"consume\": 0, \"cancel_credit\": null, \"buffer_space\": 0, \"backpressured\": true, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": true}, \"expected\": {\"grant\": 0, \"invalid\": true, \"allow\": false, \"consume\": 0, \"cancel_credit\": null, \"buffer_space\": 0, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": true}, \"passed\": false}, {\"check\": \"transition 3\", \"actual\": {\"grant\": 4, \"invalid\": true, \"allow\": false, \"consume\": 4, \"cancel_credit\": null, \"buffer_space\": 0, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": false}, \"expected\": {\"grant\": 4, \"invalid\": true, \"allow\": false, \"consume\": 4, \"cancel_credit\": null, \"buffer_space\": 0, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": false}, \"passed\": true}, {\"check\": \"transition 4\", \"actual\": {\"grant\": 7, \"invalid\": false, \"allow\": true, \"consume\": 3, \"cancel_credit\": null, \"buffer_space\": 0, \"backpressured\": false, \"terminal_wait\": true, \"request_upstream\": 0, \"saturation\": false}, \"expected\": {\"grant\": 7, \"invalid\": false, \"allow\": true, \"consume\": 3, \"cancel_credit\": null, \"buffer_space\": 0, \"backpressured\": false, \"terminal_wait\": true, \"request_upstream\": 0, \"saturation\": false}, \"passed\": true}, {\"check\": \"transition 5\", \"actual\": {\"grant\": 2, \"invalid\": false, \"allow\": false, \"consume\": 0, \"cancel_credit\": 0, \"buffer_space\": 2, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": false}, \"expected\": {\"grant\": 2, \"invalid\": false, \"allow\": false, \"consume\": 0, \"cancel_credit\": 0, \"buffer_space\": 2, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": false}, \"passed\": true}, {\"check\": \"transition 6\", \"actual\": {\"grant\": 0, \"invalid\": true, \"allow\": false, \"consume\": 0, \"cancel_credit\": 0, \"buffer_space\": 0, \"backpressured\": true, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": true}, \"expected\": {\"grant\": 0, \"invalid\": true, \"allow\": false, \"consume\": 0, \"cancel_credit\": 0, \"buffer_space\": 0, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": true}, \"passed\": false}, {\"check\": \"transition 7\", \"actual\": {\"grant\": 7, \"invalid\": false, \"allow\": false, \"consume\": 4, \"cancel_credit\": 3, \"buffer_space\": 2, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": false}, \"expected\": {\"grant\": 7, \"invalid\": false, \"allow\": false, \"consume\": 4, \"cancel_credit\": 3, \"buffer_space\": 2, \"backpressured\": false, \"terminal_wait\": false, \"request_upstream\": 0, \"saturation\": false}, \"passed\": true}], \"passed\": false}\n"},"fixed":{"elapsed_ms":44.168,"exit_code":0,"observations":[{"actual":{"allow":false,"backpressured":false,"buffer_space":0,"cancel_credit":null,"consume":4,"grant":2,"invalid":true,"request_upstream":0,"saturation":true,"terminal_wait":false},"check":"transition 0","expected":{"allow":false,"backpressured":false,"buffer_space":0,"cancel_credit":null,"consume":4,"grant":2,"invalid":true,"request_upstream":0,"saturation":true,"terminal_wait":false},"passed":true},{"actual":{"allow":false,"backpressured":false,"buffer_space":0,"cancel_credit":0,"consume":0,"grant":0,"invalid":false,"request_upstream":0,"saturation":true,"terminal_wait":false},"check":"transition 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