{"abstract":"Http2 reset releases only the target stream.","category":"Multiplexed protocols","checks":4,"contract":"Bounded offline decision model: http2 reset releases only the target stream. Inputs are already validated protocol fields; the explicit fixtures define the supported policy, not a complete protocol implementation.","evaluation_group":"xh-http2-reset-releases-only-the-target-stream","failed_approach":"The attempted repair uses `streams` and still violates a separate fixture.","family":"xh-http2-reset-releases-only-the-target-stream","id":"FA-7536","implementations":{"attempt":{"sha256":"5ea6b6bdecdc1486040477b25328536f76e11cfb1a3a05fdcc54346390f95270","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport ipaddress\nimport re\nfrom urllib.parse import urlsplit, urljoin\nN = 1\nobservations = []\ndef solve(streams, target):\n    return streams\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\n_fixtures = [\"check('fixture 1', solve([1, 3, 5], 3), [1, 5])\", \"check('fixture 2', solve([], 3), [])\", \"check('fixture 3', solve([1], 1), [])\", \"check('fixture 4', solve([1], 3), [1])\"]\nfor _line in _fixtures[N % len(_fixtures):] + _fixtures[:N % len(_fixtures)]:\n    exec(_line)\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":"8543f8b69a4bd5a7ca9911c2b748590a18b6ceef5e80a1ef0f42bfd35e9ba746","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport ipaddress\nimport re\nfrom urllib.parse import urlsplit, urljoin\nN = 1\nobservations = []\ndef solve(streams, target):\n    return []\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\n_fixtures = [\"check('fixture 1', solve([1, 3, 5], 3), [1, 5])\", \"check('fixture 2', solve([], 3), [])\", \"check('fixture 3', solve([1], 1), [])\", \"check('fixture 4', solve([1], 3), [1])\"]\nfor _line in _fixtures[N % len(_fixtures):] + _fixtures[:N % len(_fixtures)]:\n    exec(_line)\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":"5c0fe02ac0532489d4e29f2142241ca928547c0134a2f6f221fef786246f3d38","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport ipaddress\nimport re\nfrom urllib.parse import urlsplit, urljoin\nN = 1\nobservations = []\ndef solve(streams, target):\n    return [s for s in streams if s != target]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\n_fixtures = [\"check('fixture 1', solve([1, 3, 5], 3), [1, 5])\", \"check('fixture 2', solve([], 3), [])\", \"check('fixture 3', solve([1], 1), [])\", \"check('fixture 4', solve([1], 3), [1])\"]\nfor _line in _fixtures[N % len(_fixtures):] + _fixtures[:N % len(_fixtures)]:\n    exec(_line)\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":"Bounded deterministic policy model over validated inputs; not a complete protocol stack or an interoperability claim. The five variants rotate the same explicit fixture set. 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":"xh-http2-reset-releases-only-the-target-stream","generated_at":"2026-09-29T14:38:12.955422+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"This deterministic multiplexed protocols model isolates the http2-reset-releases-only-the-target-stream policy at a network component boundary.","repair":"Apply the explicit http2-reset-releases-only-the-target-stream contract, including the tested boundary and negative cases.","root_cause":"The faulty implementation uses `[]` for the http2-reset-releases-only-the-target-stream decision.","sha256":"6fe0750b7cfb72f7a623933e9bce70d4661202cec97ee7f75f0703c3204ffcc0","title":"Http2 reset releases only the target stream · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verification":{"attempt":{"elapsed_ms":38.425,"exit_code":1,"observations":[{"actual":[],"check":"fixture 2","expected":[],"passed":true},{"actual":[1],"check":"fixture 3","expected":[],"passed":false},{"actual":[1],"check":"fixture 4","expected":[1],"passed":true},{"actual":[1,3,5],"check":"fixture 1","expected":[1,5],"passed":false}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"fixture 2\", \"actual\": [], \"expected\": [], \"passed\": true}, {\"check\": \"fixture 3\", \"actual\": [1], \"expected\": [], \"passed\": false}, {\"check\": \"fixture 4\", \"actual\": [1], \"expected\": [1], \"passed\": true}, {\"check\": \"fixture 1\", \"actual\": [1, 3, 5], \"expected\": [1, 5], \"passed\": false}], \"passed\": false}\n"},"broken":{"elapsed_ms":35.81,"exit_code":1,"observations":[{"actual":[],"check":"fixture 2","expected":[],"passed":true},{"actual":[],"check":"fixture 3","expected":[],"passed":true},{"actual":[],"check":"fixture 4","expected":[1],"passed":false},{"actual":[],"check":"fixture 1","expected":[1,5],"passed":false}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"fixture 2\", \"actual\": [], \"expected\": [], \"passed\": true}, {\"check\": \"fixture 3\", \"actual\": [], \"expected\": [], \"passed\": true}, {\"check\": \"fixture 4\", \"actual\": [], \"expected\": [1], \"passed\": false}, {\"check\": \"fixture 1\", \"actual\": [], \"expected\": [1, 5], \"passed\": false}], \"passed\": false}\n"},"fixed":{"elapsed_ms":40.841,"exit_code":0,"observations":[{"actual":[],"check":"fixture 2","expected":[],"passed":true},{"actual":[],"check":"fixture 3","expected":[],"passed":true},{"actual":[1],"check":"fixture 4","expected":[1],"passed":true},{"actual":[1,5],"check":"fixture 1","expected":[1,5],"passed":true}],"passed":true,"stderr":"","stdout":"{\"observations\": [{\"check\": \"fixture 2\", \"actual\": [], \"expected\": [], \"passed\": true}, {\"check\": \"fixture 3\", \"actual\": [], \"expected\": [], \"passed\": true}, {\"check\": \"fixture 4\", \"actual\": [1], \"expected\": [1], \"passed\": true}, {\"check\": \"fixture 1\", \"actual\": [1, 5], \"expected\": [1, 5], \"passed\": true}], \"passed\": true}\n"}},"verified":true,"visibility":"public"}