{"abstract":"A lone rz(5pi/2) is emitted as \"5/2\" instead of \"1/2\".","category":"Quantum circuit simulation","checks":7,"contract":"Input a gate list: [\"rz\", q, angle] (angle in units of pi as a fraction string), [\"x\", q], [\"h\", q], [\"cx\", c, t]. Scan left to right; a new gate looks back to the last op touching its qubit, except that rz may look past a cx whose control is that qubit. rz merges into a found rz, angles normalized to (-1, 1] and zero rotations dropped; x or h cancels a found identical gate. Return the optimized list with angles as fraction strings.","contract_signature":"x","evaluation_group":"w2-quantum_circuit_simulation-rz-merge-peephole","failed_approach":"The attempted repair reduces the new angle modulo 2 but does not map it into (-1, 1].","family":"w2-quantum_circuit_simulation-rz-merge-peephole-standalone-angle-normalization","id":"FA-91286","implementations":{"attempt":{"sha256":"46ba4640e3d970d07bc99859785d588137613f84ee79353d3639f7e143f44a49","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nfrom fractions import Fraction\nN = 1\nobservations = []\ndef solve(x):\n    ops = x\n    out = []\n    def touches(op, q):\n        if op[0] == 'cx':\n            return q in (op[1], op[2])\n        return op[1] == q\n    def norm(a):\n        a = a % 2\n        if a > 1:\n            a -= 2\n        return a\n    for op in ops:\n        name = op[0]\n        if name == 'cx':\n            out.append(['cx', op[1], op[2]])\n            continue\n        q = op[1]\n        j = len(out) - 1\n        while j >= 0:\n            prev = out[j]\n            if not touches(prev, q):\n                j -= 1\n                continue\n            if name == 'rz' and prev[0] == 'cx' and prev[1] == q:\n                j -= 1\n                continue\n            break\n        if name == 'rz':\n            ang = Fraction(op[2])\n            if j >= 0 and out[j][0] == 'rz':\n                merged = norm(out[j][2] + ang)\n                if merged == 0:\n                    out.pop(j)\n                else:\n                    out[j][2] = merged\n            else:\n                ang = ang % 2\n                if ang != 0:\n                    out.append(['rz', q, ang])\n        elif name in ('x', 'h') and j >= 0 and out[j][0] == name:\n            out.pop(j)\n        else:\n            out.append([name, q])\n    return [[o[0], o[1], str(o[2])] if o[0] == 'rz' else o for o in out]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[['regression: unnormalized single rz', [['rz', 2, '5/2']], [['rz', 2, '1/2']]], ['regression: random peephole 3', [['x', 0], ['rz', 1, '1/2'], ['rz', 1, '1/4'], ['rz', 0, '-1'], ['cx', 2, 0], ['rz', 0, '0'], ['h', 0], ['cx', 1, 2]], [['x', 0], ['rz', 1, '3/4'], ['rz', 0, '1'], ['cx', 2, 0], ['h', 0], ['cx', 1, 2]]], ['repair check: random peephole 6', [['rz', 1, '-1/4'], ['rz', 0, '1'], ['x', 0], ['x', 1], ['cx', 1, 0], ['rz', 0, '1'], ['rz', 2, '1/4'], ['x', 0]], [['rz', 1, '-1/4'], ['rz', 0, '1'], ['x', 0], ['x', 1], ['cx', 1, 0], ['rz', 0, '1'], ['rz', 2, '1/4'], ['x', 0]]], ['control: rz merges to pi', [['rz', 0, '1/2'], ['rz', 0, '1/2']], [['rz', 0, '1']]], ['control: rz commutes through cx control', [['rz', 0, '1/4'], ['cx', 0, 1], ['rz', 0, '1/4']], [['rz', 0, '1/2'], ['cx', 0, 1]]], ['control: rz blocked by cx target', [['rz', 1, '1/4'], ['cx', 0, 1], ['rz', 1, '1/4']], [['rz', 1, '1/4'], ['cx', 0, 1], ['rz', 1, '1/4']]], ['control: merge cancels to zero', [['rz', 0, '3/4'], ['rz', 0, '5/4']], []]], [['regression: random peephole 9', [['cx', 2, 1], ['rz', 1, '-1/4'], ['rz', 0, '-1'], ['rz', 2, '0'], ['x', 0], ['rz', 1, '-1/2'], ['cx', 2, 1]], [['cx', 2, 1], ['rz', 1, '-3/4'], ['rz', 0, '1'], ['x', 0], ['cx', 2, 1]]], ['regression: random peephole 10', [['cx', 1, 2], ['rz', 0, '5/4'], ['rz', 2, '7/4'], ['rz', 0, '-1/4'], ['h', 1], ['rz', 0, '3/2'], ['rz', 0, '7/4'], ['x', 2]], [['cx', 1, 2], ['rz', 0, '1/4'], ['rz', 2, '-1/4'], ['h', 1], ['x', 2]]], ['regression: random peephole 11', [['rz', 0, '-1/2'], ['h', 1], ['x', 2], ['cx', 0, 1], ['rz', 1, '3/2'], ['h', 1], ['cx', 2, 0], ['cx', 1, 0]], [['rz', 0, '-1/2'], ['h', 1], ['x', 2], ['cx', 0, 1], ['rz', 1, '-1/2'], ['h', 1], ['cx', 2, 0], ['cx', 1, 0]]], ['control: rz of pi alone', [['rz', 0, '1']], [['rz', 0, '1']]], ['control: x on different qubits', [['x', 0], ['x', 1]], [['x', 0], ['x', 1]]], ['control: x cancels across other qubit', [['x', 0], ['h', 1], ['x', 0]], [['h', 1]]], ['control: h blocked by rz', [['h', 0], ['rz', 0, '1/2'], ['h', 0]], [['h', 0], ['rz', 0, '1/2'], ['h', 0]]]], [['regression: random peephole 13', [['h', 1], ['rz', 0, '1/2'], ['rz', 2, '5/4']], [['h', 1], ['rz', 0, '1/2'], ['rz', 2, '-3/4']]], ['regression: random peephole 14', [['rz', 2, '7/4'], ['cx', 0, 2], ['h', 2], ['h', 0], ['h', 0], ['rz', 0, '1/2'], ['cx', 2, 1], ['rz', 1, '1/2']], [['rz', 2, '-1/4'], ['cx', 0, 2], ['h', 2], ['rz', 0, '1/2'], ['cx', 2, 1], ['rz', 1, '1/2']]], ['regression: random peephole 15', [['rz', 0, '3/2'], ['cx', 1, 0], ['rz', 2, '-1'], ['rz', 1, '0'], ['rz', 2, '5/4'], ['rz', 2, '2']], [['rz', 0, '-1/2'], ['cx', 1, 0], ['rz', 2, '1/4']]], ['control: random peephole 0', [['rz', 0, '1/2'], ['rz', 0, '-1/2'], ['rz', 1, '3/2'], ['rz', 2, '0'], ['rz', 1, '2'], ['x', 2], ['cx', 1, 0], ['x', 2]], [['rz', 1, '-1/2'], ['cx', 1, 0]]], ['control: random peephole 1', [['cx', 2, 0], ['x', 0]], [['cx', 2, 0], ['x', 0]]], ['control: random peephole 2', [['h', 1], ['h', 0], ['h', 1]], [['h', 0]]], ['control: random peephole 4', [['rz', 2, '5/4'], ['rz', 2, '-1/2'], ['rz', 1, '1/4'], ['rz', 1, '3'], ['cx', 1, 0], ['cx', 2, 0]], [['rz', 2, '3/4'], ['rz', 1, '-3/4'], ['cx', 1, 0], ['cx', 2, 0]]]], [['regression: random peephole 16', [['cx', 2, 0], ['h', 0], ['cx', 2, 0], ['cx', 1, 0], ['rz', 1, '5/4'], ['cx', 0, 1], ['rz', 1, '3/2']], [['cx', 2, 0], ['h', 0], ['cx', 2, 0], ['cx', 1, 0], ['rz', 1, '-3/4'], ['cx', 0, 1], ['rz', 1, '-1/2']]], ['regression: random peephole 19', [['h', 1], ['cx', 2, 0], ['rz', 1, '3/2']], [['h', 1], ['cx', 2, 0], ['rz', 1, '-1/2']]], ['regression: random peephole 15', [['rz', 0, '3/2'], ['cx', 1, 0], ['rz', 2, '-1'], ['rz', 1, '0'], ['rz', 2, '5/4'], ['rz', 2, '2']], [['rz', 0, '-1/2'], ['cx', 1, 0], ['rz', 2, '1/4']]], ['control: random peephole 5', [['x', 2], ['rz', 2, '3/2'], ['rz', 2, '1'], ['x', 1]], [['x', 2], ['rz', 2, '1/2'], ['x', 1]]], ['control: random peephole 8', [['rz', 2, '1/4'], ['rz', 2, '3/4'], ['rz', 2, '1'], ['x', 0], ['rz', 2, '3/4']], [['x', 0], ['rz', 2, '3/4']]], ['control: random peephole 12', [['x', 2], ['h', 0]], [['x', 2], ['h', 0]]], ['control: random peephole 17', [['cx', 0, 2], ['x', 2], ['rz', 0, '1'], ['h', 0]], [['cx', 0, 2], ['x', 2], ['rz', 0, '1'], ['h', 0]]]], [['regression: random peephole 23', [['h', 0], ['cx', 1, 2], ['rz', 0, '1/4'], ['rz', 1, '7/4'], ['x', 1]], [['h', 0], ['cx', 1, 2], ['rz', 0, '1/4'], ['rz', 1, '-1/4'], ['x', 1]]], ['regression: random peephole 27', [['x', 2], ['cx', 0, 1], ['rz', 0, '0'], ['rz', 0, '5/4'], ['h', 2], ['h', 2], ['h', 0], ['x', 2]], [['cx', 0, 1], ['rz', 0, '-3/4'], ['h', 0]]], ['regression: random peephole 19', [['h', 1], ['cx', 2, 0], ['rz', 1, '3/2']], [['h', 1], ['cx', 2, 0], ['rz', 1, '-1/2']]], ['control: random peephole 18', [['h', 1], ['cx', 0, 2]], [['h', 1], ['cx', 0, 2]]], ['control: random peephole 20', [['rz', 1, '3'], ['cx', 0, 2], ['rz', 1, '2'], ['cx', 2, 0], ['rz', 1, '0'], ['cx', 1, 2], ['h', 0]], [['rz', 1, '1'], ['cx', 0, 2], ['cx', 2, 0], ['cx', 1, 2], ['h', 0]]], ['control: random peephole 21', [['rz', 0, '1'], ['x', 2]], [['rz', 0, '1'], ['x', 2]]], ['control: random peephole 24', [['h', 2], ['cx', 1, 0], ['h', 2], ['cx', 2, 1]], [['cx', 1, 0], ['cx', 2, 1]]]]]\nfor label, args, expected in fixtures[N-1]:\n    check(label, solve(args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"},"broken":{"sha256":"3af4b992d396501e5f78b93b1dc64ba0d06db6de71b07426176ed3936c4266a6","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nfrom fractions import Fraction\nN = 1\nobservations = []\ndef solve(x):\n    ops = x\n    out = []\n    def touches(op, q):\n        if op[0] == 'cx':\n            return q in (op[1], op[2])\n        return op[1] == q\n    def norm(a):\n        a = a % 2\n        if a > 1:\n            a -= 2\n        return a\n    for op in ops:\n        name = op[0]\n        if name == 'cx':\n            out.append(['cx', op[1], op[2]])\n            continue\n        q = op[1]\n        j = len(out) - 1\n        while j >= 0:\n            prev = out[j]\n            if not touches(prev, q):\n                j -= 1\n                continue\n            if name == 'rz' and prev[0] == 'cx' and prev[1] == q:\n                j -= 1\n                continue\n            break\n        if name == 'rz':\n            ang = Fraction(op[2])\n            if j >= 0 and out[j][0] == 'rz':\n                merged = norm(out[j][2] + ang)\n                if merged == 0:\n                    out.pop(j)\n                else:\n                    out[j][2] = merged\n            else:\n                if ang != 0:\n                    out.append(['rz', q, ang])\n        elif name in ('x', 'h') and j >= 0 and out[j][0] == name:\n            out.pop(j)\n        else:\n            out.append([name, q])\n    return [[o[0], o[1], str(o[2])] if o[0] == 'rz' else o for o in out]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[['regression: unnormalized single rz', [['rz', 2, '5/2']], [['rz', 2, '1/2']]], ['regression: random peephole 3', [['x', 0], ['rz', 1, '1/2'], ['rz', 1, '1/4'], ['rz', 0, '-1'], ['cx', 2, 0], ['rz', 0, '0'], ['h', 0], ['cx', 1, 2]], [['x', 0], ['rz', 1, '3/4'], ['rz', 0, '1'], ['cx', 2, 0], ['h', 0], ['cx', 1, 2]]], ['repair check: random peephole 6', [['rz', 1, '-1/4'], ['rz', 0, '1'], ['x', 0], ['x', 1], ['cx', 1, 0], ['rz', 0, '1'], ['rz', 2, '1/4'], ['x', 0]], [['rz', 1, '-1/4'], ['rz', 0, '1'], ['x', 0], ['x', 1], ['cx', 1, 0], ['rz', 0, '1'], ['rz', 2, '1/4'], ['x', 0]]], ['control: rz merges to pi', [['rz', 0, '1/2'], ['rz', 0, '1/2']], [['rz', 0, '1']]], ['control: rz commutes through cx control', [['rz', 0, '1/4'], ['cx', 0, 1], ['rz', 0, '1/4']], [['rz', 0, '1/2'], ['cx', 0, 1]]], ['control: rz blocked by cx target', [['rz', 1, '1/4'], ['cx', 0, 1], ['rz', 1, '1/4']], [['rz', 1, '1/4'], ['cx', 0, 1], ['rz', 1, '1/4']]], ['control: merge cancels to zero', [['rz', 0, '3/4'], ['rz', 0, '5/4']], []]], [['regression: random peephole 9', [['cx', 2, 1], ['rz', 1, '-1/4'], ['rz', 0, '-1'], ['rz', 2, '0'], ['x', 0], ['rz', 1, '-1/2'], ['cx', 2, 1]], [['cx', 2, 1], ['rz', 1, '-3/4'], ['rz', 0, '1'], ['x', 0], ['cx', 2, 1]]], ['regression: random peephole 10', [['cx', 1, 2], ['rz', 0, '5/4'], ['rz', 2, '7/4'], ['rz', 0, '-1/4'], ['h', 1], ['rz', 0, '3/2'], ['rz', 0, '7/4'], ['x', 2]], [['cx', 1, 2], ['rz', 0, '1/4'], ['rz', 2, '-1/4'], ['h', 1], ['x', 2]]], ['regression: random peephole 11', [['rz', 0, '-1/2'], ['h', 1], ['x', 2], ['cx', 0, 1], ['rz', 1, '3/2'], ['h', 1], ['cx', 2, 0], ['cx', 1, 0]], [['rz', 0, '-1/2'], ['h', 1], ['x', 2], ['cx', 0, 1], ['rz', 1, '-1/2'], ['h', 1], ['cx', 2, 0], ['cx', 1, 0]]], ['control: rz of pi alone', [['rz', 0, '1']], [['rz', 0, '1']]], ['control: x on different qubits', [['x', 0], ['x', 1]], [['x', 0], ['x', 1]]], ['control: x cancels across other qubit', [['x', 0], ['h', 1], ['x', 0]], [['h', 1]]], ['control: h blocked by rz', [['h', 0], ['rz', 0, '1/2'], ['h', 0]], [['h', 0], ['rz', 0, '1/2'], ['h', 0]]]], [['regression: random peephole 13', [['h', 1], ['rz', 0, '1/2'], ['rz', 2, '5/4']], [['h', 1], ['rz', 0, '1/2'], ['rz', 2, '-3/4']]], ['regression: random peephole 14', [['rz', 2, '7/4'], ['cx', 0, 2], ['h', 2], ['h', 0], ['h', 0], ['rz', 0, '1/2'], ['cx', 2, 1], ['rz', 1, '1/2']], [['rz', 2, '-1/4'], ['cx', 0, 2], ['h', 2], ['rz', 0, '1/2'], ['cx', 2, 1], ['rz', 1, '1/2']]], ['regression: random peephole 15', [['rz', 0, '3/2'], ['cx', 1, 0], ['rz', 2, '-1'], ['rz', 1, '0'], ['rz', 2, '5/4'], ['rz', 2, '2']], [['rz', 0, '-1/2'], ['cx', 1, 0], ['rz', 2, '1/4']]], ['control: random peephole 0', [['rz', 0, '1/2'], ['rz', 0, '-1/2'], ['rz', 1, '3/2'], ['rz', 2, '0'], ['rz', 1, '2'], ['x', 2], ['cx', 1, 0], ['x', 2]], [['rz', 1, '-1/2'], ['cx', 1, 0]]], ['control: random peephole 1', [['cx', 2, 0], ['x', 0]], [['cx', 2, 0], ['x', 0]]], ['control: random peephole 2', [['h', 1], ['h', 0], ['h', 1]], [['h', 0]]], ['control: random peephole 4', [['rz', 2, '5/4'], ['rz', 2, '-1/2'], ['rz', 1, '1/4'], ['rz', 1, '3'], ['cx', 1, 0], ['cx', 2, 0]], [['rz', 2, '3/4'], ['rz', 1, '-3/4'], ['cx', 1, 0], ['cx', 2, 0]]]], [['regression: random peephole 16', [['cx', 2, 0], ['h', 0], ['cx', 2, 0], ['cx', 1, 0], ['rz', 1, '5/4'], ['cx', 0, 1], ['rz', 1, '3/2']], [['cx', 2, 0], ['h', 0], ['cx', 2, 0], ['cx', 1, 0], ['rz', 1, '-3/4'], ['cx', 0, 1], ['rz', 1, '-1/2']]], ['regression: random peephole 19', [['h', 1], ['cx', 2, 0], ['rz', 1, '3/2']], [['h', 1], ['cx', 2, 0], ['rz', 1, '-1/2']]], ['regression: random peephole 15', [['rz', 0, '3/2'], ['cx', 1, 0], ['rz', 2, '-1'], ['rz', 1, '0'], ['rz', 2, '5/4'], ['rz', 2, '2']], [['rz', 0, '-1/2'], ['cx', 1, 0], ['rz', 2, '1/4']]], ['control: random peephole 5', [['x', 2], ['rz', 2, '3/2'], ['rz', 2, '1'], ['x', 1]], [['x', 2], ['rz', 2, '1/2'], ['x', 1]]], ['control: random peephole 8', [['rz', 2, '1/4'], ['rz', 2, '3/4'], ['rz', 2, '1'], ['x', 0], ['rz', 2, '3/4']], [['x', 0], ['rz', 2, '3/4']]], ['control: random peephole 12', [['x', 2], ['h', 0]], [['x', 2], ['h', 0]]], ['control: random peephole 17', [['cx', 0, 2], ['x', 2], ['rz', 0, '1'], ['h', 0]], [['cx', 0, 2], ['x', 2], ['rz', 0, '1'], ['h', 0]]]], [['regression: random peephole 23', [['h', 0], ['cx', 1, 2], ['rz', 0, '1/4'], ['rz', 1, '7/4'], ['x', 1]], [['h', 0], ['cx', 1, 2], ['rz', 0, '1/4'], ['rz', 1, '-1/4'], ['x', 1]]], ['regression: random peephole 27', [['x', 2], ['cx', 0, 1], ['rz', 0, '0'], ['rz', 0, '5/4'], ['h', 2], ['h', 2], ['h', 0], ['x', 2]], [['cx', 0, 1], ['rz', 0, '-3/4'], ['h', 0]]], ['regression: random peephole 19', [['h', 1], ['cx', 2, 0], ['rz', 1, '3/2']], [['h', 1], ['cx', 2, 0], ['rz', 1, '-1/2']]], ['control: random peephole 18', [['h', 1], ['cx', 0, 2]], [['h', 1], ['cx', 0, 2]]], ['control: random peephole 20', [['rz', 1, '3'], ['cx', 0, 2], ['rz', 1, '2'], ['cx', 2, 0], ['rz', 1, '0'], ['cx', 1, 2], ['h', 0]], [['rz', 1, '1'], ['cx', 0, 2], ['cx', 2, 0], ['cx', 1, 2], ['h', 0]]], ['control: random peephole 21', [['rz', 0, '1'], ['x', 2]], [['rz', 0, '1'], ['x', 2]]], ['control: random peephole 24', [['h', 2], ['cx', 1, 0], ['h', 2], ['cx', 2, 1]], [['cx', 1, 0], ['cx', 2, 1]]]]]\nfor label, args, expected in fixtures[N-1]:\n    check(label, solve(args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"}},"limitations":"A deterministic bounded teaching model with a stipulated toy contract; amplitudes are rounded to fixed decimals for strict JSON output. It is not a production quantum SDK and claims no standards conformance. 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-quantum_circuit_simulation-rz-merge-peephole-standalone-angle-normalization","generated_at":"2026-09-29T14:51:34.493313+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Rotation merging and cancellation are the cheapest transpiler wins; commutation or normalization slips change circuit semantics.","root_cause":"Only merged angles pass through the normalizer; the first rz on a qubit is stored raw.","sha256":"66fba6e42a121118ff65f4b79a6188d5dc57a5bee14b7389fff40352715e8d64","title":"Rotation merger leaves isolated angles unnormalized · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verified":true,"visibility":"public","verification":{"attempt":{"elapsed_ms":43.885,"exit_code":1,"observations":[{"actual":[["rz",2,"1/2"]],"check":"regression: unnormalized single rz","expected":[["rz",2,"1/2"]],"passed":true},{"actual":[["x",0],["rz",1,"3/4"],["rz",0,"1"],["cx",2,0],["h",0],["cx",1,2]],"check":"regression: random peephole 3","expected":[["x",0],["rz",1,"3/4"],["rz",0,"1"],["cx",2,0],["h",0],["cx",1,2]],"passed":true},{"actual":[["rz",1,"7/4"],["rz",0,"1"],["x",0],["x",1],["cx",1,0],["rz",0,"1"],["rz",2,"1/4"],["x",0]],"check":"repair check: random peephole 6","expected":[["rz",1,"-1/4"],["rz",0,"1"],["x",0],["x",1],["cx",1,0],["rz",0,"1"],["rz",2,"1/4"],["x",0]],"passed":false},{"actual":[["rz",0,"1"]],"check":"control: rz merges to pi","expected":[["rz",0,"1"]],"passed":true},{"actual":[["rz",0,"1/2"],["cx",0,1]],"check":"control: rz commutes through cx control","expected":[["rz",0,"1/2"],["cx",0,1]],"passed":true},{"actual":[["rz",1,"1/4"],["cx",0,1],["rz",1,"1/4"]],"check":"control: rz blocked by cx target","expected":[["rz",1,"1/4"],["cx",0,1],["rz",1,"1/4"]],"passed":true},{"actual":[],"check":"control: merge cancels to zero","expected":[],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"regression: unnormalized single rz\", \"actual\": [[\"rz\", 2, \"1/2\"]], \"expected\": [[\"rz\", 2, \"1/2\"]], \"passed\": true}, {\"check\": \"regression: random peephole 3\", \"actual\": [[\"x\", 0], [\"rz\", 1, \"3/4\"], [\"rz\", 0, \"1\"], [\"cx\", 2, 0], [\"h\", 0], [\"cx\", 1, 2]], \"expected\": [[\"x\", 0], [\"rz\", 1, \"3/4\"], [\"rz\", 0, \"1\"], [\"cx\", 2, 0], [\"h\", 0], [\"cx\", 1, 2]], \"passed\": true}, {\"check\": \"repair check: random peephole 6\", \"actual\": [[\"rz\", 1, \"7/4\"], [\"rz\", 0, \"1\"], [\"x\", 0], [\"x\", 1], [\"cx\", 1, 0], [\"rz\", 0, \"1\"], [\"rz\", 2, \"1/4\"], [\"x\", 0]], \"expected\": [[\"rz\", 1, \"-1/4\"], [\"rz\", 0, \"1\"], [\"x\", 0], [\"x\", 1], [\"cx\", 1, 0], [\"rz\", 0, \"1\"], [\"rz\", 2, \"1/4\"], [\"x\", 0]], \"passed\": false}, {\"check\": \"control: rz merges to pi\", \"actual\": [[\"rz\", 0, \"1\"]], \"expected\": [[\"rz\", 0, \"1\"]], \"passed\": true}, {\"check\": \"control: rz commutes through cx control\", \"actual\": [[\"rz\", 0, \"1/2\"], [\"cx\", 0, 1]], \"expected\": [[\"rz\", 0, \"1/2\"], [\"cx\", 0, 1]], \"passed\": true}, {\"check\": \"control: rz blocked by cx target\", \"actual\": [[\"rz\", 1, \"1/4\"], [\"cx\", 0, 1], [\"rz\", 1, \"1/4\"]], \"expected\": [[\"rz\", 1, \"1/4\"], [\"cx\", 0, 1], [\"rz\", 1, \"1/4\"]], \"passed\": true}, {\"check\": \"control: merge cancels to zero\", \"actual\": [], \"expected\": [], \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":44.282,"exit_code":1,"observations":[{"actual":[["rz",2,"5/2"]],"check":"regression: unnormalized single rz","expected":[["rz",2,"1/2"]],"passed":false},{"actual":[["x",0],["rz",1,"3/4"],["rz",0,"-1"],["cx",2,0],["h",0],["cx",1,2]],"check":"regression: random peephole 3","expected":[["x",0],["rz",1,"3/4"],["rz",0,"1"],["cx",2,0],["h",0],["cx",1,2]],"passed":false},{"actual":[["rz",1,"-1/4"],["rz",0,"1"],["x",0],["x",1],["cx",1,0],["rz",0,"1"],["rz",2,"1/4"],["x",0]],"check":"repair check: random peephole 6","expected":[["rz",1,"-1/4"],["rz",0,"1"],["x",0],["x",1],["cx",1,0],["rz",0,"1"],["rz",2,"1/4"],["x",0]],"passed":true},{"actual":[["rz",0,"1"]],"check":"control: rz merges to pi","expected":[["rz",0,"1"]],"passed":true},{"actual":[["rz",0,"1/2"],["cx",0,1]],"check":"control: rz commutes through cx control","expected":[["rz",0,"1/2"],["cx",0,1]],"passed":true},{"actual":[["rz",1,"1/4"],["cx",0,1],["rz",1,"1/4"]],"check":"control: rz blocked by cx target","expected":[["rz",1,"1/4"],["cx",0,1],["rz",1,"1/4"]],"passed":true},{"actual":[],"check":"control: merge cancels to zero","expected":[],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"regression: unnormalized single rz\", \"actual\": [[\"rz\", 2, \"5/2\"]], \"expected\": [[\"rz\", 2, \"1/2\"]], \"passed\": false}, {\"check\": \"regression: random peephole 3\", \"actual\": [[\"x\", 0], [\"rz\", 1, \"3/4\"], [\"rz\", 0, \"-1\"], [\"cx\", 2, 0], [\"h\", 0], [\"cx\", 1, 2]], \"expected\": [[\"x\", 0], [\"rz\", 1, \"3/4\"], [\"rz\", 0, \"1\"], [\"cx\", 2, 0], [\"h\", 0], [\"cx\", 1, 2]], \"passed\": false}, {\"check\": \"repair check: random peephole 6\", \"actual\": [[\"rz\", 1, \"-1/4\"], [\"rz\", 0, \"1\"], [\"x\", 0], [\"x\", 1], [\"cx\", 1, 0], [\"rz\", 0, \"1\"], [\"rz\", 2, \"1/4\"], [\"x\", 0]], \"expected\": [[\"rz\", 1, \"-1/4\"], [\"rz\", 0, \"1\"], [\"x\", 0], [\"x\", 1], [\"cx\", 1, 0], [\"rz\", 0, \"1\"], [\"rz\", 2, \"1/4\"], [\"x\", 0]], \"passed\": true}, {\"check\": \"control: rz merges to pi\", \"actual\": [[\"rz\", 0, \"1\"]], \"expected\": [[\"rz\", 0, \"1\"]], \"passed\": true}, {\"check\": \"control: rz commutes through cx control\", \"actual\": [[\"rz\", 0, \"1/2\"], [\"cx\", 0, 1]], \"expected\": [[\"rz\", 0, \"1/2\"], [\"cx\", 0, 1]], \"passed\": true}, {\"check\": \"control: rz blocked by cx target\", \"actual\": [[\"rz\", 1, \"1/4\"], [\"cx\", 0, 1], [\"rz\", 1, \"1/4\"]], \"expected\": [[\"rz\", 1, \"1/4\"], [\"cx\", 0, 1], [\"rz\", 1, \"1/4\"]], \"passed\": true}, {\"check\": \"control: merge cancels to zero\", \"actual\": [], \"expected\": [], \"passed\": true}], \"passed\": false}\n"}},"member_only":{"stages":["fixed"],"fields":["implementations.fixed","verification.fixed","harness","repair"],"note":"The verified repair, its recorded checks, the repair description, and the scoring harness are available to members."}}