{"abstract":"A long instance already in progress when the window opens is missing from the result.","category":"Calendar recurrence rules","checks":7,"contract":"Instances start at dtstart + k*interval_hours for k < count and last duration_min minutes. A window [window_start, window_end) returns every instance whose half-open span [s, s+duration) overlaps it; a zero-duration instance is returned when window_start <= s < window_end. The query may skip ahead but COUNT is always counted from dtstart. Return ISO start times (minutes).","contract_signature":"dtstart, interval_hours, duration_min, count, window_start, window_end","evaluation_group":"w2-calendar-recurrence-rules-window-overlap-query","failed_approach":"The partial repair `max(0, (ws - first) // step - 1)` looks back a single step, which is insufficient when the duration exceeds the interval.","family":"w2-calendar-recurrence-rules-window-overlap-query-fast-forward","id":"FA-77041","implementations":{"attempt":{"sha256":"a93f9b45c12d1aaed16c497fca72ab2fa88f3808c0a4c139f257239109a1800b","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport datetime as dt\nimport calendar\nN = 1\nobservations = []\ndef solve(dtstart, interval_hours, duration_min, count, window_start, window_end):\n    first = dt.datetime.fromisoformat(dtstart)\n    ws = dt.datetime.fromisoformat(window_start)\n    we = dt.datetime.fromisoformat(window_end)\n    dur = dt.timedelta(minutes=duration_min)\n    step = dt.timedelta(hours=interval_hours)\n    k0 = max(0, (ws - first) // step - 1)\n    out = []\n    for k in range(k0, count):\n        s = first + k * step\n        if s >= we:\n            break\n        if (s + dur > ws) if duration_min else s >= ws:\n            out.append(s.isoformat(timespec='minutes'))\n    return out\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('regression: in-progress long meeting',\n   ['2024-01-01T00:00', 1, 180, 20, '2024-01-01T10:30', '2024-01-01T12:00'],\n   ['2024-01-01T08:00', '2024-01-01T09:00', '2024-01-01T10:00', '2024-01-01T11:00']),\n  ('touching end excluded',\n   ['2024-01-01T08:00', 2, 60, 10, '2024-01-01T09:00', '2024-01-01T12:00'],\n   ['2024-01-01T10:00']),\n  ('window end exclusive',\n   ['2024-01-01T08:00', 2, 30, 10, '2024-01-01T08:15', '2024-01-01T12:00'],\n   ['2024-01-01T08:00', '2024-01-01T10:00']),\n  ('zero duration instants',\n   ['2024-01-01T00:00', 6, 0, 10, '2024-01-01T12:00', '2024-01-02T00:00'],\n   ['2024-01-01T12:00', '2024-01-01T18:00']),\n  ('late window beyond count',\n   ['2024-01-01T00:00', 24, 60, 5, '2024-01-04T00:00', '2024-01-10T00:00'],\n   ['2024-01-04T00:00', '2024-01-05T00:00']),\n  ('window before dtstart',\n   ['2024-01-05T09:00', 24, 90, 3, '2024-01-01T00:00', '2024-01-06T12:00'],\n   ['2024-01-05T09:00', '2024-01-06T09:00']),\n  ('duration longer than interval',\n   ['2024-02-01T00:00', 2, 300, 12, '2024-02-01T09:00', '2024-02-01T10:00'],\n   ['2024-02-01T06:00', '2024-02-01T08:00'])],\n [('window end exclusive',\n   ['2024-01-01T08:00', 2, 30, 10, '2024-01-01T08:15', '2024-01-01T12:00'],\n   ['2024-01-01T08:00', '2024-01-01T10:00']),\n  ('zero duration instants',\n   ['2024-01-01T00:00', 6, 0, 10, '2024-01-01T12:00', '2024-01-02T00:00'],\n   ['2024-01-01T12:00', '2024-01-01T18:00']),\n  ('late window beyond count',\n   ['2024-01-01T00:00', 24, 60, 5, '2024-01-04T00:00', '2024-01-10T00:00'],\n   ['2024-01-04T00:00', '2024-01-05T00:00']),\n  ('window before dtstart',\n   ['2024-01-05T09:00', 24, 90, 3, '2024-01-01T00:00', '2024-01-06T12:00'],\n   ['2024-01-05T09:00', '2024-01-06T09:00']),\n  ('duration longer than interval',\n   ['2024-02-01T00:00', 2, 300, 12, '2024-02-01T09:00', '2024-02-01T10:00'],\n   ['2024-02-01T06:00', '2024-02-01T08:00']),\n  ('window mid series',\n   ['2024-03-01T06:00', 4, 120, 30, '2024-03-02T07:00', '2024-03-02T15:00'],\n   ['2024-03-02T06:00', '2024-03-02T10:00', '2024-03-02T14:00']),\n  ('instance ends at window start',\n   ['2024-03-01T00:00', 3, 180, 8, '2024-03-01T06:00', '2024-03-01T07:00'],\n   ['2024-03-01T06:00']),\n  ('regression: in-progress long meeting',\n   ['2024-01-01T00:00', 1, 180, 20, '2024-01-01T10:30', '2024-01-01T12:00'],\n   ['2024-01-01T08:00', '2024-01-01T09:00', '2024-01-01T10:00', '2024-01-01T11:00'])],\n [('late window beyond count',\n   ['2024-01-01T00:00', 24, 60, 5, '2024-01-04T00:00', '2024-01-10T00:00'],\n   ['2024-01-04T00:00', '2024-01-05T00:00']),\n  ('window before dtstart',\n   ['2024-01-05T09:00', 24, 90, 3, '2024-01-01T00:00', '2024-01-06T12:00'],\n   ['2024-01-05T09:00', '2024-01-06T09:00']),\n  ('duration longer than interval',\n   ['2024-02-01T00:00', 2, 300, 12, '2024-02-01T09:00', '2024-02-01T10:00'],\n   ['2024-02-01T06:00', '2024-02-01T08:00']),\n  ('window mid series',\n   ['2024-03-01T06:00', 4, 120, 30, '2024-03-02T07:00', '2024-03-02T15:00'],\n   ['2024-03-02T06:00', '2024-03-02T10:00', '2024-03-02T14:00']),\n  ('instance ends at window start',\n   ['2024-03-01T00:00', 3, 180, 8, '2024-03-01T06:00', '2024-03-01T07:00'],\n   ['2024-03-01T06:00']),\n  ('count exactly reaches window',\n   ['2024-04-01T00:00', 12, 60, 4, '2024-04-02T11:30', '2024-04-03T00:00'],\n   ['2024-04-02T12:00']),\n  ('long instance from before window, short count',\n   ['2024-05-01T00:00', 1, 600, 3, '2024-05-01T05:00', '2024-05-01T06:00'],\n   ['2024-05-01T00:00', '2024-05-01T01:00', '2024-05-01T02:00'])],\n [('duration longer than interval',\n   ['2024-02-01T00:00', 2, 300, 12, '2024-02-01T09:00', '2024-02-01T10:00'],\n   ['2024-02-01T06:00', '2024-02-01T08:00']),\n  ('window mid series',\n   ['2024-03-01T06:00', 4, 120, 30, '2024-03-02T07:00', '2024-03-02T15:00'],\n   ['2024-03-02T06:00', '2024-03-02T10:00', '2024-03-02T14:00']),\n  ('instance ends at window start',\n   ['2024-03-01T00:00', 3, 180, 8, '2024-03-01T06:00', '2024-03-01T07:00'],\n   ['2024-03-01T06:00']),\n  ('count exactly reaches window',\n   ['2024-04-01T00:00', 12, 60, 4, '2024-04-02T11:30', '2024-04-03T00:00'],\n   ['2024-04-02T12:00']),\n  ('long instance from before window, short count',\n   ['2024-05-01T00:00', 1, 600, 3, '2024-05-01T05:00', '2024-05-01T06:00'],\n   ['2024-05-01T00:00', '2024-05-01T01:00', '2024-05-01T02:00']),\n  ('regression: in-progress long meeting',\n   ['2024-01-01T00:00', 1, 180, 20, '2024-01-01T10:30', '2024-01-01T12:00'],\n   ['2024-01-01T08:00', '2024-01-01T09:00', '2024-01-01T10:00', '2024-01-01T11:00']),\n  ('touching end excluded',\n   ['2024-01-01T08:00', 2, 60, 10, '2024-01-01T09:00', '2024-01-01T12:00'],\n   ['2024-01-01T10:00'])],\n [('instance ends at window start',\n   ['2024-03-01T00:00', 3, 180, 8, '2024-03-01T06:00', '2024-03-01T07:00'],\n   ['2024-03-01T06:00']),\n  ('count exactly reaches window',\n   ['2024-04-01T00:00', 12, 60, 4, '2024-04-02T11:30', '2024-04-03T00:00'],\n   ['2024-04-02T12:00']),\n  ('long instance from before window, short count',\n   ['2024-05-01T00:00', 1, 600, 3, '2024-05-01T05:00', '2024-05-01T06:00'],\n   ['2024-05-01T00:00', '2024-05-01T01:00', '2024-05-01T02:00']),\n  ('regression: in-progress long meeting',\n   ['2024-01-01T00:00', 1, 180, 20, '2024-01-01T10:30', '2024-01-01T12:00'],\n   ['2024-01-01T08:00', '2024-01-01T09:00', '2024-01-01T10:00', '2024-01-01T11:00']),\n  ('touching end excluded',\n   ['2024-01-01T08:00', 2, 60, 10, '2024-01-01T09:00', '2024-01-01T12:00'],\n   ['2024-01-01T10:00']),\n  ('window end exclusive',\n   ['2024-01-01T08:00', 2, 30, 10, '2024-01-01T08:15', '2024-01-01T12:00'],\n   ['2024-01-01T08:00', '2024-01-01T10:00']),\n  ('zero duration instants',\n   ['2024-01-01T00:00', 6, 0, 10, '2024-01-01T12:00', '2024-01-02T00:00'],\n   ['2024-01-01T12:00', '2024-01-01T18:00'])]]\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":"52d5ec35f4be716e6ff937d90bb83c0267cdf9349dbb8fc0c300706c8a33830f","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport datetime as dt\nimport calendar\nN = 1\nobservations = []\ndef solve(dtstart, interval_hours, duration_min, count, window_start, window_end):\n    first = dt.datetime.fromisoformat(dtstart)\n    ws = dt.datetime.fromisoformat(window_start)\n    we = dt.datetime.fromisoformat(window_end)\n    dur = dt.timedelta(minutes=duration_min)\n    step = dt.timedelta(hours=interval_hours)\n    k0 = max(0, (ws - first) // step)\n    out = []\n    for k in range(k0, count):\n        s = first + k * step\n        if s >= we:\n            break\n        if (s + dur > ws) if duration_min else s >= ws:\n            out.append(s.isoformat(timespec='minutes'))\n    return out\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('regression: in-progress long meeting',\n   ['2024-01-01T00:00', 1, 180, 20, '2024-01-01T10:30', '2024-01-01T12:00'],\n   ['2024-01-01T08:00', '2024-01-01T09:00', '2024-01-01T10:00', '2024-01-01T11:00']),\n  ('touching end excluded',\n   ['2024-01-01T08:00', 2, 60, 10, '2024-01-01T09:00', '2024-01-01T12:00'],\n   ['2024-01-01T10:00']),\n  ('window end exclusive',\n   ['2024-01-01T08:00', 2, 30, 10, '2024-01-01T08:15', '2024-01-01T12:00'],\n   ['2024-01-01T08:00', '2024-01-01T10:00']),\n  ('zero duration instants',\n   ['2024-01-01T00:00', 6, 0, 10, '2024-01-01T12:00', '2024-01-02T00:00'],\n   ['2024-01-01T12:00', '2024-01-01T18:00']),\n  ('late window beyond count',\n   ['2024-01-01T00:00', 24, 60, 5, '2024-01-04T00:00', '2024-01-10T00:00'],\n   ['2024-01-04T00:00', '2024-01-05T00:00']),\n  ('window before dtstart',\n   ['2024-01-05T09:00', 24, 90, 3, '2024-01-01T00:00', '2024-01-06T12:00'],\n   ['2024-01-05T09:00', '2024-01-06T09:00']),\n  ('duration longer than interval',\n   ['2024-02-01T00:00', 2, 300, 12, '2024-02-01T09:00', '2024-02-01T10:00'],\n   ['2024-02-01T06:00', '2024-02-01T08:00'])],\n [('window end exclusive',\n   ['2024-01-01T08:00', 2, 30, 10, '2024-01-01T08:15', '2024-01-01T12:00'],\n   ['2024-01-01T08:00', '2024-01-01T10:00']),\n  ('zero duration instants',\n   ['2024-01-01T00:00', 6, 0, 10, '2024-01-01T12:00', '2024-01-02T00:00'],\n   ['2024-01-01T12:00', '2024-01-01T18:00']),\n  ('late window beyond count',\n   ['2024-01-01T00:00', 24, 60, 5, '2024-01-04T00:00', '2024-01-10T00:00'],\n   ['2024-01-04T00:00', '2024-01-05T00:00']),\n  ('window before dtstart',\n   ['2024-01-05T09:00', 24, 90, 3, '2024-01-01T00:00', '2024-01-06T12:00'],\n   ['2024-01-05T09:00', '2024-01-06T09:00']),\n  ('duration longer than interval',\n   ['2024-02-01T00:00', 2, 300, 12, '2024-02-01T09:00', '2024-02-01T10:00'],\n   ['2024-02-01T06:00', '2024-02-01T08:00']),\n  ('window mid series',\n   ['2024-03-01T06:00', 4, 120, 30, '2024-03-02T07:00', '2024-03-02T15:00'],\n   ['2024-03-02T06:00', '2024-03-02T10:00', '2024-03-02T14:00']),\n  ('instance ends at window start',\n   ['2024-03-01T00:00', 3, 180, 8, '2024-03-01T06:00', '2024-03-01T07:00'],\n   ['2024-03-01T06:00']),\n  ('regression: in-progress long meeting',\n   ['2024-01-01T00:00', 1, 180, 20, '2024-01-01T10:30', '2024-01-01T12:00'],\n   ['2024-01-01T08:00', '2024-01-01T09:00', '2024-01-01T10:00', '2024-01-01T11:00'])],\n [('late window beyond count',\n   ['2024-01-01T00:00', 24, 60, 5, '2024-01-04T00:00', '2024-01-10T00:00'],\n   ['2024-01-04T00:00', '2024-01-05T00:00']),\n  ('window before dtstart',\n   ['2024-01-05T09:00', 24, 90, 3, '2024-01-01T00:00', '2024-01-06T12:00'],\n   ['2024-01-05T09:00', '2024-01-06T09:00']),\n  ('duration longer than interval',\n   ['2024-02-01T00:00', 2, 300, 12, '2024-02-01T09:00', '2024-02-01T10:00'],\n   ['2024-02-01T06:00', '2024-02-01T08:00']),\n  ('window mid series',\n   ['2024-03-01T06:00', 4, 120, 30, '2024-03-02T07:00', '2024-03-02T15:00'],\n   ['2024-03-02T06:00', '2024-03-02T10:00', '2024-03-02T14:00']),\n  ('instance ends at window start',\n   ['2024-03-01T00:00', 3, 180, 8, '2024-03-01T06:00', '2024-03-01T07:00'],\n   ['2024-03-01T06:00']),\n  ('count exactly reaches window',\n   ['2024-04-01T00:00', 12, 60, 4, '2024-04-02T11:30', '2024-04-03T00:00'],\n   ['2024-04-02T12:00']),\n  ('long instance from before window, short count',\n   ['2024-05-01T00:00', 1, 600, 3, '2024-05-01T05:00', '2024-05-01T06:00'],\n   ['2024-05-01T00:00', '2024-05-01T01:00', '2024-05-01T02:00'])],\n [('duration longer than interval',\n   ['2024-02-01T00:00', 2, 300, 12, '2024-02-01T09:00', '2024-02-01T10:00'],\n   ['2024-02-01T06:00', '2024-02-01T08:00']),\n  ('window mid series',\n   ['2024-03-01T06:00', 4, 120, 30, '2024-03-02T07:00', '2024-03-02T15:00'],\n   ['2024-03-02T06:00', '2024-03-02T10:00', '2024-03-02T14:00']),\n  ('instance ends at window start',\n   ['2024-03-01T00:00', 3, 180, 8, '2024-03-01T06:00', '2024-03-01T07:00'],\n   ['2024-03-01T06:00']),\n  ('count exactly reaches window',\n   ['2024-04-01T00:00', 12, 60, 4, '2024-04-02T11:30', '2024-04-03T00:00'],\n   ['2024-04-02T12:00']),\n  ('long instance from before window, short count',\n   ['2024-05-01T00:00', 1, 600, 3, '2024-05-01T05:00', '2024-05-01T06:00'],\n   ['2024-05-01T00:00', '2024-05-01T01:00', '2024-05-01T02:00']),\n  ('regression: in-progress long meeting',\n   ['2024-01-01T00:00', 1, 180, 20, '2024-01-01T10:30', '2024-01-01T12:00'],\n   ['2024-01-01T08:00', '2024-01-01T09:00', '2024-01-01T10:00', '2024-01-01T11:00']),\n  ('touching end excluded',\n   ['2024-01-01T08:00', 2, 60, 10, '2024-01-01T09:00', '2024-01-01T12:00'],\n   ['2024-01-01T10:00'])],\n [('instance ends at window start',\n   ['2024-03-01T00:00', 3, 180, 8, '2024-03-01T06:00', '2024-03-01T07:00'],\n   ['2024-03-01T06:00']),\n  ('count exactly reaches window',\n   ['2024-04-01T00:00', 12, 60, 4, '2024-04-02T11:30', '2024-04-03T00:00'],\n   ['2024-04-02T12:00']),\n  ('long instance from before window, short count',\n   ['2024-05-01T00:00', 1, 600, 3, '2024-05-01T05:00', '2024-05-01T06:00'],\n   ['2024-05-01T00:00', '2024-05-01T01:00', '2024-05-01T02:00']),\n  ('regression: in-progress long meeting',\n   ['2024-01-01T00:00', 1, 180, 20, '2024-01-01T10:30', '2024-01-01T12:00'],\n   ['2024-01-01T08:00', '2024-01-01T09:00', '2024-01-01T10:00', '2024-01-01T11:00']),\n  ('touching end excluded',\n   ['2024-01-01T08:00', 2, 60, 10, '2024-01-01T09:00', '2024-01-01T12:00'],\n   ['2024-01-01T10:00']),\n  ('window end exclusive',\n   ['2024-01-01T08:00', 2, 30, 10, '2024-01-01T08:15', '2024-01-01T12:00'],\n   ['2024-01-01T08:00', '2024-01-01T10:00']),\n  ('zero duration instants',\n   ['2024-01-01T00:00', 6, 0, 10, '2024-01-01T12:00', '2024-01-02T00:00'],\n   ['2024-01-01T12:00', '2024-01-01T18:00'])]]\nfor label, args, expected in fixtures[N-1]:\n    check(label, solve(*args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"}},"limitations":"Stipulated, bounded recurrence-expansion model evaluated offline on explicit fixtures; it is not a complete iCalendar implementation and makes no claim of 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-calendar-recurrence-rules-window-overlap-query-fast-forward","generated_at":"2026-09-29T14:49:21.888981+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Recurring calendar series are expanded into concrete instances for display, reminders and conflict checks.","root_cause":"The skip-ahead index ignores instance duration and jumps past instances still running at window start.","sha256":"35d67a5d37a78f38b94b772f7ee569ac8fd87cbd36dfb00246a52436ce40bf45","title":"Window query for recurring instances with duration: fast forward · 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":38.166,"exit_code":1,"observations":[{"actual":["2024-01-01T09:00","2024-01-01T10:00","2024-01-01T11:00"],"check":"regression: in-progress long meeting","expected":["2024-01-01T08:00","2024-01-01T09:00","2024-01-01T10:00","2024-01-01T11:00"],"passed":false},{"actual":["2024-01-01T10:00"],"check":"touching end excluded","expected":["2024-01-01T10:00"],"passed":true},{"actual":["2024-01-01T08:00","2024-01-01T10:00"],"check":"window end exclusive","expected":["2024-01-01T08:00","2024-01-01T10:00"],"passed":true},{"actual":["2024-01-01T12:00","2024-01-01T18:00"],"check":"zero duration instants","expected":["2024-01-01T12:00","2024-01-01T18:00"],"passed":true},{"actual":["2024-01-04T00:00","2024-01-05T00:00"],"check":"late window beyond count","expected":["2024-01-04T00:00","2024-01-05T00:00"],"passed":true},{"actual":["2024-01-05T09:00","2024-01-06T09:00"],"check":"window before dtstart","expected":["2024-01-05T09:00","2024-01-06T09:00"],"passed":true},{"actual":["2024-02-01T06:00","2024-02-01T08:00"],"check":"duration longer than interval","expected":["2024-02-01T06:00","2024-02-01T08:00"],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"regression: in-progress long meeting\", \"actual\": [\"2024-01-01T09:00\", \"2024-01-01T10:00\", \"2024-01-01T11:00\"], \"expected\": [\"2024-01-01T08:00\", \"2024-01-01T09:00\", \"2024-01-01T10:00\", \"2024-01-01T11:00\"], \"passed\": false}, {\"check\": \"touching end excluded\", \"actual\": [\"2024-01-01T10:00\"], \"expected\": [\"2024-01-01T10:00\"], \"passed\": true}, {\"check\": \"window end exclusive\", \"actual\": [\"2024-01-01T08:00\", \"2024-01-01T10:00\"], \"expected\": [\"2024-01-01T08:00\", \"2024-01-01T10:00\"], \"passed\": true}, {\"check\": \"zero duration instants\", \"actual\": [\"2024-01-01T12:00\", \"2024-01-01T18:00\"], \"expected\": [\"2024-01-01T12:00\", \"2024-01-01T18:00\"], \"passed\": true}, {\"check\": \"late window beyond count\", \"actual\": [\"2024-01-04T00:00\", \"2024-01-05T00:00\"], \"expected\": [\"2024-01-04T00:00\", \"2024-01-05T00:00\"], \"passed\": true}, {\"check\": \"window before dtstart\", \"actual\": [\"2024-01-05T09:00\", \"2024-01-06T09:00\"], \"expected\": [\"2024-01-05T09:00\", \"2024-01-06T09:00\"], \"passed\": true}, {\"check\": \"duration longer than interval\", \"actual\": [\"2024-02-01T06:00\", \"2024-02-01T08:00\"], \"expected\": [\"2024-02-01T06:00\", \"2024-02-01T08:00\"], \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":40.337,"exit_code":1,"observations":[{"actual":["2024-01-01T10:00","2024-01-01T11:00"],"check":"regression: in-progress long meeting","expected":["2024-01-01T08:00","2024-01-01T09:00","2024-01-01T10:00","2024-01-01T11:00"],"passed":false},{"actual":["2024-01-01T10:00"],"check":"touching end 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\"2024-01-01T09:00\", \"2024-01-01T10:00\", \"2024-01-01T11:00\"], \"passed\": false}, {\"check\": \"touching end excluded\", \"actual\": [\"2024-01-01T10:00\"], \"expected\": [\"2024-01-01T10:00\"], \"passed\": true}, {\"check\": \"window end exclusive\", \"actual\": [\"2024-01-01T08:00\", \"2024-01-01T10:00\"], \"expected\": [\"2024-01-01T08:00\", \"2024-01-01T10:00\"], \"passed\": true}, {\"check\": \"zero duration instants\", \"actual\": [\"2024-01-01T12:00\", \"2024-01-01T18:00\"], \"expected\": [\"2024-01-01T12:00\", \"2024-01-01T18:00\"], \"passed\": true}, {\"check\": \"late window beyond count\", \"actual\": [\"2024-01-04T00:00\", \"2024-01-05T00:00\"], \"expected\": [\"2024-01-04T00:00\", \"2024-01-05T00:00\"], \"passed\": true}, {\"check\": \"window before dtstart\", \"actual\": [\"2024-01-05T09:00\", \"2024-01-06T09:00\"], \"expected\": [\"2024-01-05T09:00\", \"2024-01-06T09:00\"], \"passed\": true}, {\"check\": \"duration longer than interval\", \"actual\": [\"2024-02-01T08:00\"], \"expected\": [\"2024-02-01T06:00\", \"2024-02-01T08:00\"], \"passed\": false}], \"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."}}