{"abstract":"Biweekly plans are treated as weekly.","category":"Subscription proration billing","checks":9,"contract":"Input {anchor, interval week|month|year, count, at >= anchor}. Period k starts at anchor + k*count intervals (weeks as 7 days; months/years by calendar month with the anchor day clamped to month length). Return [start ISO, end ISO] of the period with start <= at < end.","contract_signature":"x","evaluation_group":"w2-subscription-proration-current-period-lookup","failed_approach":"The attempt adds the count instead of multiplying it.","family":"w2-subscription-proration-current-period-lookup-weekly-count-multiplier","id":"FA-59731","implementations":{"attempt":{"sha256":"021f46f77a74e3ca11066d39e9bcf1f7abb942141aa0e0e7549be3b4c20b9398","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport datetime\nimport calendar\nN = 1\nobservations = []\ndef solve(x):\n    a = datetime.date(*x['anchor'])\n    t = datetime.date(*x['at'])\n    def shift(k):\n        if x['interval'] == 'week':\n            return a + datetime.timedelta(days=7 * (x['count'] + k - 1))\n        months = k * x['count'] * (12 if x['interval'] == 'year' else 1)\n        tot = a.month - 1 + months\n        y, m = a.year + tot // 12, tot % 12 + 1\n        return datetime.date(y, m, min(a.day, calendar.monthrange(y, m)[1]))\n    k = 0\n    while shift(k + 1) <= t:\n        k += 1\n    return [shift(k).isoformat(), shift(k + 1).isoformat()]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('regression (boundary)', {'anchor': [2024, 1, 10], 'interval': 'week', 'count': 2, 'at': [2024, 1, 24]}, ['2024-01-24', '2024-02-07']), ('regression', {'anchor': [2020, 8, 2], 'interval': 'week', 'count': 3, 'at': [2020, 9, 4]}, ['2020-08-23', '2020-09-13']), ('partial-repair probe', {'anchor': [2020, 8, 7], 'interval': 'week', 'count': 2, 'at': [2023, 10, 30]}, ['2023-10-27', '2023-11-10']), ('partial-repair probe', {'anchor': [2020, 11, 21], 'interval': 'week', 'count': 2, 'at': [2022, 7, 12]}, ['2022-07-02', '2022-07-16']), ('boundary control', {'anchor': [2024, 1, 31], 'interval': 'month', 'count': 1, 'at': [2024, 2, 29]}, ['2024-02-29', '2024-03-31']), ('normal control', {'anchor': [2020, 10, 31], 'interval': 'year', 'count': 1, 'at': [2022, 2, 15]}, ['2021-10-31', '2022-10-31']), ('normal control', {'anchor': [2023, 10, 31], 'interval': 'month', 'count': 2, 'at': [2024, 2, 3]}, ['2023-12-31', '2024-02-29']), ('normal control', {'anchor': [2022, 10, 31], 'interval': 'month', 'count': 2, 'at': [2023, 6, 30]}, ['2023-06-30', '2023-08-31']), ('normal control', {'anchor': [2023, 5, 19], 'interval': 'year', 'count': 1, 'at': [2025, 8, 18]}, ['2025-05-19', '2026-05-19'])], [('regression', {'anchor': [2020, 8, 2], 'interval': 'week', 'count': 3, 'at': [2020, 9, 4]}, ['2020-08-23', '2020-09-13']), ('regression', {'anchor': [2020, 8, 7], 'interval': 'week', 'count': 2, 'at': [2023, 10, 30]}, ['2023-10-27', '2023-11-10']), ('partial-repair probe', {'anchor': [2020, 11, 21], 'interval': 'week', 'count': 2, 'at': [2022, 7, 12]}, ['2022-07-02', '2022-07-16']), ('partial-repair probe', {'anchor': [2020, 1, 18], 'interval': 'week', 'count': 3, 'at': [2021, 11, 30]}, ['2021-11-20', '2021-12-11']), ('boundary control', {'anchor': [2024, 1, 31], 'interval': 'month', 'count': 1, 'at': [2024, 2, 29]}, ['2024-02-29', '2024-03-31']), ('normal control', {'anchor': [2021, 11, 24], 'interval': 'year', 'count': 3, 'at': [2022, 4, 18]}, ['2021-11-24', '2024-11-24']), ('normal control', {'anchor': [2021, 2, 28], 'interval': 'year', 'count': 2, 'at': [2021, 8, 29]}, ['2021-02-28', '2023-02-28']), ('normal control', {'anchor': [2020, 11, 28], 'interval': 'year', 'count': 2, 'at': [2023, 9, 6]}, ['2022-11-28', '2024-11-28']), ('normal control', {'anchor': [2023, 12, 31], 'interval': 'month', 'count': 1, 'at': [2024, 7, 11]}, ['2024-06-30', '2024-07-31'])], [('regression', {'anchor': [2020, 8, 7], 'interval': 'week', 'count': 2, 'at': [2023, 10, 30]}, ['2023-10-27', '2023-11-10']), ('regression', {'anchor': [2020, 11, 21], 'interval': 'week', 'count': 2, 'at': [2022, 7, 12]}, ['2022-07-02', '2022-07-16']), ('partial-repair probe', {'anchor': [2020, 1, 18], 'interval': 'week', 'count': 3, 'at': [2021, 11, 30]}, ['2021-11-20', '2021-12-11']), ('partial-repair probe', {'anchor': [2020, 7, 6], 'interval': 'week', 'count': 2, 'at': [2023, 9, 7]}, ['2023-08-28', '2023-09-11']), ('boundary control', {'anchor': [2024, 1, 31], 'interval': 'month', 'count': 1, 'at': [2024, 2, 29]}, ['2024-02-29', '2024-03-31']), ('normal control', {'anchor': [2020, 2, 20], 'interval': 'month', 'count': 1, 'at': [2022, 12, 10]}, ['2022-11-20', '2022-12-20']), ('normal control', {'anchor': [2021, 8, 15], 'interval': 'week', 'count': 1, 'at': [2024, 10, 23]}, ['2024-10-20', '2024-10-27']), ('normal control', {'anchor': [2023, 3, 14], 'interval': 'month', 'count': 3, 'at': [2026, 4, 3]}, ['2026-03-14', '2026-06-14']), ('normal control', {'anchor': [2021, 8, 31], 'interval': 'year', 'count': 1, 'at': [2022, 7, 27]}, ['2021-08-31', '2022-08-31'])], [('regression', {'anchor': [2020, 11, 21], 'interval': 'week', 'count': 2, 'at': [2022, 7, 12]}, ['2022-07-02', '2022-07-16']), ('regression', {'anchor': [2020, 1, 18], 'interval': 'week', 'count': 3, 'at': [2021, 11, 30]}, ['2021-11-20', '2021-12-11']), ('partial-repair probe', {'anchor': [2021, 1, 2], 'interval': 'week', 'count': 2, 'at': [2021, 7, 13]}, ['2021-07-03', '2021-07-17']), ('partial-repair probe', {'anchor': [2021, 2, 1], 'interval': 'week', 'count': 2, 'at': [2022, 4, 22]}, ['2022-04-11', '2022-04-25']), ('boundary control', {'anchor': [2024, 1, 31], 'interval': 'month', 'count': 1, 'at': [2024, 2, 29]}, ['2024-02-29', '2024-03-31']), ('normal control', {'anchor': [2022, 10, 31], 'interval': 'month', 'count': 1, 'at': [2023, 11, 30]}, ['2023-11-30', '2023-12-31']), ('normal control', {'anchor': [2021, 5, 20], 'interval': 'week', 'count': 1, 'at': [2022, 8, 31]}, ['2022-08-25', '2022-09-01']), ('normal control', {'anchor': [2022, 6, 30], 'interval': 'month', 'count': 1, 'at': [2023, 6, 1]}, ['2023-05-30', '2023-06-30']), ('normal control', {'anchor': [2022, 12, 6], 'interval': 'month', 'count': 1, 'at': [2025, 6, 30]}, ['2025-06-06', '2025-07-06'])], [('regression', {'anchor': [2020, 1, 18], 'interval': 'week', 'count': 3, 'at': [2021, 11, 30]}, ['2021-11-20', '2021-12-11']), ('regression', {'anchor': [2020, 7, 6], 'interval': 'week', 'count': 2, 'at': [2023, 9, 7]}, ['2023-08-28', '2023-09-11']), ('partial-repair probe', {'anchor': [2020, 12, 28], 'interval': 'week', 'count': 2, 'at': [2021, 6, 22]}, ['2021-06-14', '2021-06-28']), ('partial-repair probe', {'anchor': [2023, 12, 20], 'interval': 'week', 'count': 3, 'at': [2026, 5, 31]}, ['2026-05-20', '2026-06-10']), ('boundary control', {'anchor': [2024, 1, 31], 'interval': 'month', 'count': 1, 'at': [2024, 2, 29]}, ['2024-02-29', '2024-03-31']), ('normal control', {'anchor': [2022, 8, 21], 'interval': 'week', 'count': 1, 'at': [2025, 1, 26]}, ['2025-01-26', '2025-02-02']), ('normal control', {'anchor': [2021, 4, 30], 'interval': 'month', 'count': 1, 'at': [2023, 4, 25]}, ['2023-03-30', '2023-04-30']), ('normal control', {'anchor': [2020, 4, 24], 'interval': 'week', 'count': 1, 'at': [2021, 1, 14]}, ['2021-01-08', '2021-01-15']), ('normal control', {'anchor': [2021, 7, 13], 'interval': 'year', 'count': 1, 'at': [2021, 11, 5]}, ['2021-07-13', '2022-07-13'])]]\nfor i, (label, args, expected) in enumerate(fixtures[N-1]):\n    check(\"%s %d\" % (label, i), 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":"d4beef38497d4fec10b29d56f75aaf59aadf6fdc20175294de374269afc2c5a5","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport datetime\nimport calendar\nN = 1\nobservations = []\ndef solve(x):\n    a = datetime.date(*x['anchor'])\n    t = datetime.date(*x['at'])\n    def shift(k):\n        if x['interval'] == 'week':\n            return a + datetime.timedelta(days=7 * k)\n        months = k * x['count'] * (12 if x['interval'] == 'year' else 1)\n        tot = a.month - 1 + months\n        y, m = a.year + tot // 12, tot % 12 + 1\n        return datetime.date(y, m, min(a.day, calendar.monthrange(y, m)[1]))\n    k = 0\n    while shift(k + 1) <= t:\n        k += 1\n    return [shift(k).isoformat(), shift(k + 1).isoformat()]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('regression (boundary)', {'anchor': [2024, 1, 10], 'interval': 'week', 'count': 2, 'at': [2024, 1, 24]}, ['2024-01-24', '2024-02-07']), ('regression', {'anchor': [2020, 8, 2], 'interval': 'week', 'count': 3, 'at': [2020, 9, 4]}, ['2020-08-23', '2020-09-13']), ('partial-repair probe', {'anchor': [2020, 8, 7], 'interval': 'week', 'count': 2, 'at': [2023, 10, 30]}, ['2023-10-27', '2023-11-10']), ('partial-repair probe', {'anchor': [2020, 11, 21], 'interval': 'week', 'count': 2, 'at': [2022, 7, 12]}, ['2022-07-02', '2022-07-16']), ('boundary control', {'anchor': [2024, 1, 31], 'interval': 'month', 'count': 1, 'at': [2024, 2, 29]}, ['2024-02-29', '2024-03-31']), ('normal control', {'anchor': [2020, 10, 31], 'interval': 'year', 'count': 1, 'at': [2022, 2, 15]}, ['2021-10-31', '2022-10-31']), ('normal control', {'anchor': [2023, 10, 31], 'interval': 'month', 'count': 2, 'at': [2024, 2, 3]}, ['2023-12-31', '2024-02-29']), ('normal control', {'anchor': [2022, 10, 31], 'interval': 'month', 'count': 2, 'at': [2023, 6, 30]}, ['2023-06-30', '2023-08-31']), ('normal control', {'anchor': [2023, 5, 19], 'interval': 'year', 'count': 1, 'at': [2025, 8, 18]}, ['2025-05-19', '2026-05-19'])], [('regression', {'anchor': [2020, 8, 2], 'interval': 'week', 'count': 3, 'at': [2020, 9, 4]}, ['2020-08-23', '2020-09-13']), ('regression', {'anchor': [2020, 8, 7], 'interval': 'week', 'count': 2, 'at': [2023, 10, 30]}, ['2023-10-27', '2023-11-10']), ('partial-repair probe', {'anchor': [2020, 11, 21], 'interval': 'week', 'count': 2, 'at': [2022, 7, 12]}, ['2022-07-02', '2022-07-16']), ('partial-repair probe', {'anchor': [2020, 1, 18], 'interval': 'week', 'count': 3, 'at': [2021, 11, 30]}, ['2021-11-20', '2021-12-11']), ('boundary control', {'anchor': [2024, 1, 31], 'interval': 'month', 'count': 1, 'at': [2024, 2, 29]}, ['2024-02-29', '2024-03-31']), ('normal control', {'anchor': [2021, 11, 24], 'interval': 'year', 'count': 3, 'at': [2022, 4, 18]}, ['2021-11-24', '2024-11-24']), ('normal control', {'anchor': [2021, 2, 28], 'interval': 'year', 'count': 2, 'at': [2021, 8, 29]}, ['2021-02-28', '2023-02-28']), ('normal control', {'anchor': [2020, 11, 28], 'interval': 'year', 'count': 2, 'at': [2023, 9, 6]}, ['2022-11-28', '2024-11-28']), ('normal control', {'anchor': [2023, 12, 31], 'interval': 'month', 'count': 1, 'at': [2024, 7, 11]}, ['2024-06-30', '2024-07-31'])], [('regression', {'anchor': [2020, 8, 7], 'interval': 'week', 'count': 2, 'at': [2023, 10, 30]}, ['2023-10-27', '2023-11-10']), ('regression', {'anchor': [2020, 11, 21], 'interval': 'week', 'count': 2, 'at': [2022, 7, 12]}, ['2022-07-02', '2022-07-16']), ('partial-repair probe', {'anchor': [2020, 1, 18], 'interval': 'week', 'count': 3, 'at': [2021, 11, 30]}, ['2021-11-20', '2021-12-11']), ('partial-repair probe', {'anchor': [2020, 7, 6], 'interval': 'week', 'count': 2, 'at': [2023, 9, 7]}, ['2023-08-28', '2023-09-11']), ('boundary control', {'anchor': [2024, 1, 31], 'interval': 'month', 'count': 1, 'at': [2024, 2, 29]}, ['2024-02-29', '2024-03-31']), ('normal control', {'anchor': [2020, 2, 20], 'interval': 'month', 'count': 1, 'at': [2022, 12, 10]}, ['2022-11-20', '2022-12-20']), ('normal control', {'anchor': [2021, 8, 15], 'interval': 'week', 'count': 1, 'at': [2024, 10, 23]}, ['2024-10-20', '2024-10-27']), ('normal control', {'anchor': [2023, 3, 14], 'interval': 'month', 'count': 3, 'at': [2026, 4, 3]}, ['2026-03-14', '2026-06-14']), ('normal control', {'anchor': [2021, 8, 31], 'interval': 'year', 'count': 1, 'at': [2022, 7, 27]}, ['2021-08-31', '2022-08-31'])], [('regression', {'anchor': [2020, 11, 21], 'interval': 'week', 'count': 2, 'at': [2022, 7, 12]}, ['2022-07-02', '2022-07-16']), ('regression', {'anchor': [2020, 1, 18], 'interval': 'week', 'count': 3, 'at': [2021, 11, 30]}, ['2021-11-20', '2021-12-11']), ('partial-repair probe', {'anchor': [2021, 1, 2], 'interval': 'week', 'count': 2, 'at': [2021, 7, 13]}, ['2021-07-03', '2021-07-17']), ('partial-repair probe', {'anchor': [2021, 2, 1], 'interval': 'week', 'count': 2, 'at': [2022, 4, 22]}, ['2022-04-11', '2022-04-25']), ('boundary control', {'anchor': [2024, 1, 31], 'interval': 'month', 'count': 1, 'at': [2024, 2, 29]}, ['2024-02-29', '2024-03-31']), ('normal control', {'anchor': [2022, 10, 31], 'interval': 'month', 'count': 1, 'at': [2023, 11, 30]}, ['2023-11-30', '2023-12-31']), ('normal control', {'anchor': [2021, 5, 20], 'interval': 'week', 'count': 1, 'at': [2022, 8, 31]}, ['2022-08-25', '2022-09-01']), ('normal control', {'anchor': [2022, 6, 30], 'interval': 'month', 'count': 1, 'at': [2023, 6, 1]}, ['2023-05-30', '2023-06-30']), ('normal control', {'anchor': [2022, 12, 6], 'interval': 'month', 'count': 1, 'at': [2025, 6, 30]}, ['2025-06-06', '2025-07-06'])], [('regression', {'anchor': [2020, 1, 18], 'interval': 'week', 'count': 3, 'at': [2021, 11, 30]}, ['2021-11-20', '2021-12-11']), ('regression', {'anchor': [2020, 7, 6], 'interval': 'week', 'count': 2, 'at': [2023, 9, 7]}, ['2023-08-28', '2023-09-11']), ('partial-repair probe', {'anchor': [2020, 12, 28], 'interval': 'week', 'count': 2, 'at': [2021, 6, 22]}, ['2021-06-14', '2021-06-28']), ('partial-repair probe', {'anchor': [2023, 12, 20], 'interval': 'week', 'count': 3, 'at': [2026, 5, 31]}, ['2026-05-20', '2026-06-10']), ('boundary control', {'anchor': [2024, 1, 31], 'interval': 'month', 'count': 1, 'at': [2024, 2, 29]}, ['2024-02-29', '2024-03-31']), ('normal control', {'anchor': [2022, 8, 21], 'interval': 'week', 'count': 1, 'at': [2025, 1, 26]}, ['2025-01-26', '2025-02-02']), ('normal control', {'anchor': [2021, 4, 30], 'interval': 'month', 'count': 1, 'at': [2023, 4, 25]}, ['2023-03-30', '2023-04-30']), ('normal control', {'anchor': [2020, 4, 24], 'interval': 'week', 'count': 1, 'at': [2021, 1, 14]}, ['2021-01-08', '2021-01-15']), ('normal control', {'anchor': [2021, 7, 13], 'interval': 'year', 'count': 1, 'at': [2021, 11, 5]}, ['2021-07-13', '2022-07-13'])]]\nfor i, (label, args, expected) in enumerate(fixtures[N-1]):\n    check(\"%s %d\" % (label, i), 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 teaching model of a stipulated billing rule. It makes no claim to reproduce any billing provider's exact behaviour and is not billing software. 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-subscription-proration-current-period-lookup-weekly-count-multiplier","generated_at":"2026-09-29T14:46:39.004886+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Proration needs the exact period containing a change date; boundary dates belong to the new period.","root_cause":"The interval count is ignored for weekly plans.","sha256":"d8d425aba35d5312898a085b6bc6e612f7182ef7f650cb9e727338ef0a3f1275","title":"Current billing period containing a date: weekly count multiplier · 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":41.585,"exit_code":1,"observations":[{"actual":["2024-01-24","2024-01-31"],"check":"regression (boundary) 0","expected":["2024-01-24","2024-02-07"],"passed":false},{"actual":["2020-08-30","2020-09-06"],"check":"regression 1","expected":["2020-08-23","2020-09-13"],"passed":false},{"actual":["2023-10-27","2023-11-03"],"check":"partial-repair probe 2","expected":["2023-10-27","2023-11-10"],"passed":false},{"actual":["2022-07-09","2022-07-16"],"check":"partial-repair probe 3","expected":["2022-07-02","2022-07-16"],"passed":false},{"actual":["2024-02-29","2024-03-31"],"check":"boundary control 4","expected":["2024-02-29","2024-03-31"],"passed":true},{"actual":["2021-10-31","2022-10-31"],"check":"normal control 5","expected":["2021-10-31","2022-10-31"],"passed":true},{"actual":["2023-12-31","2024-02-29"],"check":"normal control 6","expected":["2023-12-31","2024-02-29"],"passed":true},{"actual":["2023-06-30","2023-08-31"],"check":"normal control 7","expected":["2023-06-30","2023-08-31"],"passed":true},{"actual":["2025-05-19","2026-05-19"],"check":"normal control 8","expected":["2025-05-19","2026-05-19"],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"regression (boundary) 0\", \"actual\": [\"2024-01-24\", \"2024-01-31\"], \"expected\": [\"2024-01-24\", \"2024-02-07\"], \"passed\": false}, {\"check\": \"regression 1\", \"actual\": [\"2020-08-30\", \"2020-09-06\"], \"expected\": [\"2020-08-23\", \"2020-09-13\"], \"passed\": false}, {\"check\": \"partial-repair probe 2\", \"actual\": [\"2023-10-27\", \"2023-11-03\"], \"expected\": [\"2023-10-27\", \"2023-11-10\"], \"passed\": false}, {\"check\": \"partial-repair probe 3\", \"actual\": [\"2022-07-09\", \"2022-07-16\"], \"expected\": [\"2022-07-02\", \"2022-07-16\"], \"passed\": false}, {\"check\": \"boundary control 4\", \"actual\": [\"2024-02-29\", \"2024-03-31\"], \"expected\": [\"2024-02-29\", \"2024-03-31\"], \"passed\": true}, {\"check\": \"normal control 5\", \"actual\": [\"2021-10-31\", \"2022-10-31\"], \"expected\": [\"2021-10-31\", \"2022-10-31\"], \"passed\": true}, {\"check\": \"normal control 6\", \"actual\": [\"2023-12-31\", \"2024-02-29\"], \"expected\": [\"2023-12-31\", \"2024-02-29\"], \"passed\": true}, {\"check\": \"normal control 7\", \"actual\": [\"2023-06-30\", \"2023-08-31\"], \"expected\": [\"2023-06-30\", \"2023-08-31\"], \"passed\": true}, {\"check\": \"normal control 8\", \"actual\": [\"2025-05-19\", \"2026-05-19\"], \"expected\": [\"2025-05-19\", \"2026-05-19\"], \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":42.401,"exit_code":1,"observations":[{"actual":["2024-01-24","2024-01-31"],"check":"regression (boundary) 0","expected":["2024-01-24","2024-02-07"],"passed":false},{"actual":["2020-08-30","2020-09-06"],"check":"regression 1","expected":["2020-08-23","2020-09-13"],"passed":false},{"actual":["2023-10-27","2023-11-03"],"check":"partial-repair probe 2","expected":["2023-10-27","2023-11-10"],"passed":false},{"actual":["2022-07-09","2022-07-16"],"check":"partial-repair probe 3","expected":["2022-07-02","2022-07-16"],"passed":false},{"actual":["2024-02-29","2024-03-31"],"check":"boundary control 4","expected":["2024-02-29","2024-03-31"],"passed":true},{"actual":["2021-10-31","2022-10-31"],"check":"normal control 5","expected":["2021-10-31","2022-10-31"],"passed":true},{"actual":["2023-12-31","2024-02-29"],"check":"normal control 6","expected":["2023-12-31","2024-02-29"],"passed":true},{"actual":["2023-06-30","2023-08-31"],"check":"normal control 7","expected":["2023-06-30","2023-08-31"],"passed":true},{"actual":["2025-05-19","2026-05-19"],"check":"normal control 8","expected":["2025-05-19","2026-05-19"],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"regression (boundary) 0\", \"actual\": [\"2024-01-24\", \"2024-01-31\"], \"expected\": [\"2024-01-24\", \"2024-02-07\"], \"passed\": false}, {\"check\": \"regression 1\", \"actual\": [\"2020-08-30\", \"2020-09-06\"], \"expected\": [\"2020-08-23\", \"2020-09-13\"], \"passed\": false}, {\"check\": \"partial-repair probe 2\", \"actual\": [\"2023-10-27\", \"2023-11-03\"], \"expected\": [\"2023-10-27\", \"2023-11-10\"], \"passed\": false}, {\"check\": \"partial-repair probe 3\", \"actual\": [\"2022-07-09\", \"2022-07-16\"], \"expected\": [\"2022-07-02\", \"2022-07-16\"], \"passed\": false}, {\"check\": \"boundary control 4\", \"actual\": [\"2024-02-29\", \"2024-03-31\"], \"expected\": [\"2024-02-29\", \"2024-03-31\"], \"passed\": true}, {\"check\": \"normal control 5\", \"actual\": [\"2021-10-31\", \"2022-10-31\"], \"expected\": [\"2021-10-31\", \"2022-10-31\"], \"passed\": true}, {\"check\": \"normal control 6\", \"actual\": [\"2023-12-31\", \"2024-02-29\"], \"expected\": [\"2023-12-31\", \"2024-02-29\"], \"passed\": true}, {\"check\": \"normal control 7\", \"actual\": [\"2023-06-30\", \"2023-08-31\"], \"expected\": [\"2023-06-30\", \"2023-08-31\"], \"passed\": true}, {\"check\": \"normal control 8\", \"actual\": [\"2025-05-19\", \"2026-05-19\"], \"expected\": [\"2025-05-19\", \"2026-05-19\"], \"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."}}