{"abstract":"Employees who enroll in new deductions after a levy shrink the levy payment.","category":"Payroll withholding rules","checks":8,"contract":"Input {gross, taxes, pre_levy_ded, post_levy_ded, status, dependents, freq}. Annual exempt = standard amount (single 14,600, mfj 29,200, hoh 21,900 dollars) + 5,050.00 per dependent (the taxpayer is not a dependent); per-period exempt = annual/periods half-up (weekly 52, biweekly 26, semimonthly 24, monthly 12). Take-home counts only deductions in place before the levy. Levy = max(0, take-home - exempt). Return [exempt, levy].","evaluation_group":"w2-payroll-withholding-wage-levy-exempt-amount","failed_approach":"The attempt subtracts the post-levy deductions instead of the pre-levy ones.","family":"w2-payroll-withholding-wage-levy-exempt-amount-post-levy-deductions-excluded","id":"FA-59241","implementations":{"attempt":{"sha256":"30b878e8828b5d368f193ead3e0c5b8ada1ac19b24170b6c3cf8d6f85c93796c","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    periods = {'weekly': 52, 'biweekly': 26, 'semimonthly': 24, 'monthly': 12}[x['freq']]\n    std = {'single': 1460000, 'mfj': 2920000, 'hoh': 2190000}[x['status']]\n    annual = std + 505000 * x['dependents']\n    exempt = (annual * 2 + periods) // (2 * periods)\n    take_home = x['gross'] - x['taxes'] - x['post_levy_ded']\n    levy = max(0, take_home - exempt)\n    return [exempt, levy]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('regression', {'gross': 314207, 'taxes': 9435, 'pre_levy_ded': 16283, 'post_levy_ded': 19170, 'status': 'hoh', 'dependents': 0, 'freq': 'semimonthly'}, [91250, 197239]), ('regression', {'gross': 375806, 'taxes': 85086, 'pre_levy_ded': 17388, 'post_levy_ded': 18649, 'status': 'mfj', 'dependents': 1, 'freq': 'semimonthly'}, [142708, 130624]), ('partial-repair probe', {'gross': 662079, 'taxes': 145163, 'pre_levy_ded': 13433, 'post_levy_ded': 24210, 'status': 'mfj', 'dependents': 4, 'freq': 'monthly'}, [411667, 91816]), ('partial-repair probe', {'gross': 479258, 'taxes': 23759, 'pre_levy_ded': 40016, 'post_levy_ded': 17364, 'status': 'mfj', 'dependents': 2, 'freq': 'weekly'}, [75577, 339906]), ('normal control', {'gross': 367596, 'taxes': 19999, 'pre_levy_ded': 20821, 'post_levy_ded': 35382, 'status': 'mfj', 'dependents': 5, 'freq': 'monthly'}, [453750, 0]), ('normal control', {'gross': 85343, 'taxes': 8434, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'single', 'dependents': 1, 'freq': 'weekly'}, [37788, 39121]), ('normal control', {'gross': 776186, 'taxes': 132647, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'single', 'dependents': 1, 'freq': 'semimonthly'}, [81875, 561664]), ('normal control', {'gross': 563938, 'taxes': 31966, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'hoh', 'dependents': 3, 'freq': 'weekly'}, [71250, 460722])], [('regression', {'gross': 375806, 'taxes': 85086, 'pre_levy_ded': 17388, 'post_levy_ded': 18649, 'status': 'mfj', 'dependents': 1, 'freq': 'semimonthly'}, [142708, 130624]), ('regression', {'gross': 662079, 'taxes': 145163, 'pre_levy_ded': 13433, 'post_levy_ded': 24210, 'status': 'mfj', 'dependents': 4, 'freq': 'monthly'}, [411667, 91816]), ('partial-repair probe', {'gross': 479258, 'taxes': 23759, 'pre_levy_ded': 40016, 'post_levy_ded': 17364, 'status': 'mfj', 'dependents': 2, 'freq': 'weekly'}, [75577, 339906]), ('partial-repair probe', {'gross': 558221, 'taxes': 118600, 'pre_levy_ded': 0, 'post_levy_ded': 47539, 'status': 'hoh', 'dependents': 2, 'freq': 'biweekly'}, [123077, 316544]), ('normal control', {'gross': 138753, 'taxes': 7542, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'single', 'dependents': 0, 'freq': 'weekly'}, [28077, 103134]), ('normal control', {'gross': 577739, 'taxes': 20404, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'single', 'dependents': 3, 'freq': 'biweekly'}, [114423, 442912]), ('normal control', {'gross': 63591, 'taxes': 13599, 'pre_levy_ded': 16434, 'post_levy_ded': 21975, 'status': 'single', 'dependents': 1, 'freq': 'monthly'}, [163750, 0]), ('normal control', {'gross': 395451, 'taxes': 34942, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'mfj', 'dependents': 3, 'freq': 'monthly'}, [369583, 0])], [('regression', {'gross': 662079, 'taxes': 145163, 'pre_levy_ded': 13433, 'post_levy_ded': 24210, 'status': 'mfj', 'dependents': 4, 'freq': 'monthly'}, [411667, 91816]), ('regression', {'gross': 479258, 'taxes': 23759, 'pre_levy_ded': 40016, 'post_levy_ded': 17364, 'status': 'mfj', 'dependents': 2, 'freq': 'weekly'}, [75577, 339906]), ('partial-repair probe', {'gross': 558221, 'taxes': 118600, 'pre_levy_ded': 0, 'post_levy_ded': 47539, 'status': 'hoh', 'dependents': 2, 'freq': 'biweekly'}, [123077, 316544]), ('partial-repair probe', {'gross': 531960, 'taxes': 121383, 'pre_levy_ded': 0, 'post_levy_ded': 49273, 'status': 'mfj', 'dependents': 2, 'freq': 'monthly'}, [327500, 83077]), ('normal control', {'gross': 305137, 'taxes': 19564, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'single', 'dependents': 3, 'freq': 'semimonthly'}, [123958, 161615]), ('normal control', {'gross': 635528, 'taxes': 132531, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'mfj', 'dependents': 3, 'freq': 'semimonthly'}, [184792, 318205]), ('normal control', {'gross': 366618, 'taxes': 60829, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'single', 'dependents': 3, 'freq': 'semimonthly'}, [123958, 181831]), ('normal control', {'gross': 8853, 'taxes': 59, 'pre_levy_ded': 24787, 'post_levy_ded': 28519, 'status': 'hoh', 'dependents': 4, 'freq': 'weekly'}, [80962, 0])], [('regression', {'gross': 479258, 'taxes': 23759, 'pre_levy_ded': 40016, 'post_levy_ded': 17364, 'status': 'mfj', 'dependents': 2, 'freq': 'weekly'}, [75577, 339906]), ('regression', {'gross': 558221, 'taxes': 118600, 'pre_levy_ded': 0, 'post_levy_ded': 47539, 'status': 'hoh', 'dependents': 2, 'freq': 'biweekly'}, [123077, 316544]), ('partial-repair probe', {'gross': 714333, 'taxes': 49017, 'pre_levy_ded': 0, 'post_levy_ded': 19873, 'status': 'single', 'dependents': 0, 'freq': 'monthly'}, [121667, 543649]), ('partial-repair probe', {'gross': 269535, 'taxes': 50302, 'pre_levy_ded': 0, 'post_levy_ded': 6956, 'status': 'mfj', 'dependents': 5, 'freq': 'weekly'}, [104712, 114521]), ('normal control', {'gross': 779132, 'taxes': 128015, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'single', 'dependents': 1, 'freq': 'weekly'}, [37788, 613329]), ('normal control', {'gross': 69342, 'taxes': 11860, 'pre_levy_ded': 41829, 'post_levy_ded': 14623, 'status': 'mfj', 'dependents': 5, 'freq': 'weekly'}, [104712, 0]), ('normal control', {'gross': 6064, 'taxes': 1426, 'pre_levy_ded': 22874, 'post_levy_ded': 33677, 'status': 'hoh', 'dependents': 3, 'freq': 'monthly'}, [308750, 0]), ('normal control', {'gross': 33043, 'taxes': 265, 'pre_levy_ded': 23066, 'post_levy_ded': 21163, 'status': 'hoh', 'dependents': 2, 'freq': 'biweekly'}, [123077, 0])], [('regression', {'gross': 558221, 'taxes': 118600, 'pre_levy_ded': 0, 'post_levy_ded': 47539, 'status': 'hoh', 'dependents': 2, 'freq': 'biweekly'}, [123077, 316544]), ('regression', {'gross': 531960, 'taxes': 121383, 'pre_levy_ded': 0, 'post_levy_ded': 49273, 'status': 'mfj', 'dependents': 2, 'freq': 'monthly'}, [327500, 83077]), ('partial-repair probe', {'gross': 725985, 'taxes': 84896, 'pre_levy_ded': 30943, 'post_levy_ded': 0, 'status': 'single', 'dependents': 4, 'freq': 'weekly'}, [66923, 543223]), ('partial-repair probe', {'gross': 477116, 'taxes': 107625, 'pre_levy_ded': 42879, 'post_levy_ded': 0, 'status': 'single', 'dependents': 2, 'freq': 'monthly'}, [205833, 120779]), ('normal control', {'gross': 151095, 'taxes': 31116, 'pre_levy_ded': 0, 'post_levy_ded': 34683, 'status': 'hoh', 'dependents': 2, 'freq': 'semimonthly'}, [133333, 0]), ('normal control', {'gross': 203821, 'taxes': 29456, 'pre_levy_ded': 8462, 'post_levy_ded': 0, 'status': 'single', 'dependents': 3, 'freq': 'monthly'}, [247917, 0]), ('normal control', {'gross': 537193, 'taxes': 28810, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'mfj', 'dependents': 5, 'freq': 'monthly'}, [453750, 54633]), ('normal control', {'gross': 311681, 'taxes': 23321, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'mfj', 'dependents': 5, 'freq': 'biweekly'}, [209423, 78937])]]\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":"2e1d6d9f65f1a1deeaeeb17b0823055a24b0aafde8dfa1ad3eb944468bc516a0","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    periods = {'weekly': 52, 'biweekly': 26, 'semimonthly': 24, 'monthly': 12}[x['freq']]\n    std = {'single': 1460000, 'mfj': 2920000, 'hoh': 2190000}[x['status']]\n    annual = std + 505000 * x['dependents']\n    exempt = (annual * 2 + periods) // (2 * periods)\n    take_home = x['gross'] - x['taxes'] - x['pre_levy_ded'] - x['post_levy_ded']\n    levy = max(0, take_home - exempt)\n    return [exempt, levy]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('regression', {'gross': 314207, 'taxes': 9435, 'pre_levy_ded': 16283, 'post_levy_ded': 19170, 'status': 'hoh', 'dependents': 0, 'freq': 'semimonthly'}, [91250, 197239]), ('regression', {'gross': 375806, 'taxes': 85086, 'pre_levy_ded': 17388, 'post_levy_ded': 18649, 'status': 'mfj', 'dependents': 1, 'freq': 'semimonthly'}, [142708, 130624]), ('partial-repair probe', {'gross': 662079, 'taxes': 145163, 'pre_levy_ded': 13433, 'post_levy_ded': 24210, 'status': 'mfj', 'dependents': 4, 'freq': 'monthly'}, [411667, 91816]), ('partial-repair probe', {'gross': 479258, 'taxes': 23759, 'pre_levy_ded': 40016, 'post_levy_ded': 17364, 'status': 'mfj', 'dependents': 2, 'freq': 'weekly'}, [75577, 339906]), ('normal control', {'gross': 367596, 'taxes': 19999, 'pre_levy_ded': 20821, 'post_levy_ded': 35382, 'status': 'mfj', 'dependents': 5, 'freq': 'monthly'}, [453750, 0]), ('normal control', {'gross': 85343, 'taxes': 8434, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'single', 'dependents': 1, 'freq': 'weekly'}, [37788, 39121]), ('normal control', {'gross': 776186, 'taxes': 132647, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'single', 'dependents': 1, 'freq': 'semimonthly'}, [81875, 561664]), ('normal control', {'gross': 563938, 'taxes': 31966, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'hoh', 'dependents': 3, 'freq': 'weekly'}, [71250, 460722])], [('regression', {'gross': 375806, 'taxes': 85086, 'pre_levy_ded': 17388, 'post_levy_ded': 18649, 'status': 'mfj', 'dependents': 1, 'freq': 'semimonthly'}, [142708, 130624]), ('regression', {'gross': 662079, 'taxes': 145163, 'pre_levy_ded': 13433, 'post_levy_ded': 24210, 'status': 'mfj', 'dependents': 4, 'freq': 'monthly'}, [411667, 91816]), ('partial-repair probe', {'gross': 479258, 'taxes': 23759, 'pre_levy_ded': 40016, 'post_levy_ded': 17364, 'status': 'mfj', 'dependents': 2, 'freq': 'weekly'}, [75577, 339906]), ('partial-repair probe', {'gross': 558221, 'taxes': 118600, 'pre_levy_ded': 0, 'post_levy_ded': 47539, 'status': 'hoh', 'dependents': 2, 'freq': 'biweekly'}, [123077, 316544]), ('normal control', {'gross': 138753, 'taxes': 7542, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'single', 'dependents': 0, 'freq': 'weekly'}, [28077, 103134]), ('normal control', {'gross': 577739, 'taxes': 20404, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'single', 'dependents': 3, 'freq': 'biweekly'}, [114423, 442912]), ('normal control', {'gross': 63591, 'taxes': 13599, 'pre_levy_ded': 16434, 'post_levy_ded': 21975, 'status': 'single', 'dependents': 1, 'freq': 'monthly'}, [163750, 0]), ('normal control', {'gross': 395451, 'taxes': 34942, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'mfj', 'dependents': 3, 'freq': 'monthly'}, [369583, 0])], [('regression', {'gross': 662079, 'taxes': 145163, 'pre_levy_ded': 13433, 'post_levy_ded': 24210, 'status': 'mfj', 'dependents': 4, 'freq': 'monthly'}, [411667, 91816]), ('regression', {'gross': 479258, 'taxes': 23759, 'pre_levy_ded': 40016, 'post_levy_ded': 17364, 'status': 'mfj', 'dependents': 2, 'freq': 'weekly'}, [75577, 339906]), ('partial-repair probe', {'gross': 558221, 'taxes': 118600, 'pre_levy_ded': 0, 'post_levy_ded': 47539, 'status': 'hoh', 'dependents': 2, 'freq': 'biweekly'}, [123077, 316544]), ('partial-repair probe', {'gross': 531960, 'taxes': 121383, 'pre_levy_ded': 0, 'post_levy_ded': 49273, 'status': 'mfj', 'dependents': 2, 'freq': 'monthly'}, [327500, 83077]), ('normal control', {'gross': 305137, 'taxes': 19564, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'single', 'dependents': 3, 'freq': 'semimonthly'}, [123958, 161615]), ('normal control', {'gross': 635528, 'taxes': 132531, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'mfj', 'dependents': 3, 'freq': 'semimonthly'}, [184792, 318205]), ('normal control', {'gross': 366618, 'taxes': 60829, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'single', 'dependents': 3, 'freq': 'semimonthly'}, [123958, 181831]), ('normal control', {'gross': 8853, 'taxes': 59, 'pre_levy_ded': 24787, 'post_levy_ded': 28519, 'status': 'hoh', 'dependents': 4, 'freq': 'weekly'}, [80962, 0])], [('regression', {'gross': 479258, 'taxes': 23759, 'pre_levy_ded': 40016, 'post_levy_ded': 17364, 'status': 'mfj', 'dependents': 2, 'freq': 'weekly'}, [75577, 339906]), ('regression', {'gross': 558221, 'taxes': 118600, 'pre_levy_ded': 0, 'post_levy_ded': 47539, 'status': 'hoh', 'dependents': 2, 'freq': 'biweekly'}, [123077, 316544]), ('partial-repair probe', {'gross': 714333, 'taxes': 49017, 'pre_levy_ded': 0, 'post_levy_ded': 19873, 'status': 'single', 'dependents': 0, 'freq': 'monthly'}, [121667, 543649]), ('partial-repair probe', {'gross': 269535, 'taxes': 50302, 'pre_levy_ded': 0, 'post_levy_ded': 6956, 'status': 'mfj', 'dependents': 5, 'freq': 'weekly'}, [104712, 114521]), ('normal control', {'gross': 779132, 'taxes': 128015, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'single', 'dependents': 1, 'freq': 'weekly'}, [37788, 613329]), ('normal control', {'gross': 69342, 'taxes': 11860, 'pre_levy_ded': 41829, 'post_levy_ded': 14623, 'status': 'mfj', 'dependents': 5, 'freq': 'weekly'}, [104712, 0]), ('normal control', {'gross': 6064, 'taxes': 1426, 'pre_levy_ded': 22874, 'post_levy_ded': 33677, 'status': 'hoh', 'dependents': 3, 'freq': 'monthly'}, [308750, 0]), ('normal control', {'gross': 33043, 'taxes': 265, 'pre_levy_ded': 23066, 'post_levy_ded': 21163, 'status': 'hoh', 'dependents': 2, 'freq': 'biweekly'}, [123077, 0])], [('regression', {'gross': 558221, 'taxes': 118600, 'pre_levy_ded': 0, 'post_levy_ded': 47539, 'status': 'hoh', 'dependents': 2, 'freq': 'biweekly'}, [123077, 316544]), ('regression', {'gross': 531960, 'taxes': 121383, 'pre_levy_ded': 0, 'post_levy_ded': 49273, 'status': 'mfj', 'dependents': 2, 'freq': 'monthly'}, [327500, 83077]), ('partial-repair probe', {'gross': 725985, 'taxes': 84896, 'pre_levy_ded': 30943, 'post_levy_ded': 0, 'status': 'single', 'dependents': 4, 'freq': 'weekly'}, [66923, 543223]), ('partial-repair probe', {'gross': 477116, 'taxes': 107625, 'pre_levy_ded': 42879, 'post_levy_ded': 0, 'status': 'single', 'dependents': 2, 'freq': 'monthly'}, [205833, 120779]), ('normal control', {'gross': 151095, 'taxes': 31116, 'pre_levy_ded': 0, 'post_levy_ded': 34683, 'status': 'hoh', 'dependents': 2, 'freq': 'semimonthly'}, [133333, 0]), ('normal control', {'gross': 203821, 'taxes': 29456, 'pre_levy_ded': 8462, 'post_levy_ded': 0, 'status': 'single', 'dependents': 3, 'freq': 'monthly'}, [247917, 0]), ('normal control', {'gross': 537193, 'taxes': 28810, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'mfj', 'dependents': 5, 'freq': 'monthly'}, [453750, 54633]), ('normal control', {'gross': 311681, 'taxes': 23321, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'mfj', 'dependents': 5, 'freq': 'biweekly'}, [209423, 78937])]]\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"},"fixed":{"sha256":"d83b6a85b199d144df0311e0fe3ea77aac5be9c40d780d9fdecd0253c86ded8f","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    periods = {'weekly': 52, 'biweekly': 26, 'semimonthly': 24, 'monthly': 12}[x['freq']]\n    std = {'single': 1460000, 'mfj': 2920000, 'hoh': 2190000}[x['status']]\n    annual = std + 505000 * x['dependents']\n    exempt = (annual * 2 + periods) // (2 * periods)\n    take_home = x['gross'] - x['taxes'] - x['pre_levy_ded']\n    levy = max(0, take_home - exempt)\n    return [exempt, levy]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('regression', {'gross': 314207, 'taxes': 9435, 'pre_levy_ded': 16283, 'post_levy_ded': 19170, 'status': 'hoh', 'dependents': 0, 'freq': 'semimonthly'}, [91250, 197239]), ('regression', {'gross': 375806, 'taxes': 85086, 'pre_levy_ded': 17388, 'post_levy_ded': 18649, 'status': 'mfj', 'dependents': 1, 'freq': 'semimonthly'}, [142708, 130624]), ('partial-repair probe', {'gross': 662079, 'taxes': 145163, 'pre_levy_ded': 13433, 'post_levy_ded': 24210, 'status': 'mfj', 'dependents': 4, 'freq': 'monthly'}, [411667, 91816]), ('partial-repair probe', {'gross': 479258, 'taxes': 23759, 'pre_levy_ded': 40016, 'post_levy_ded': 17364, 'status': 'mfj', 'dependents': 2, 'freq': 'weekly'}, [75577, 339906]), ('normal control', {'gross': 367596, 'taxes': 19999, 'pre_levy_ded': 20821, 'post_levy_ded': 35382, 'status': 'mfj', 'dependents': 5, 'freq': 'monthly'}, [453750, 0]), ('normal control', {'gross': 85343, 'taxes': 8434, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'single', 'dependents': 1, 'freq': 'weekly'}, [37788, 39121]), ('normal control', {'gross': 776186, 'taxes': 132647, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'single', 'dependents': 1, 'freq': 'semimonthly'}, [81875, 561664]), ('normal control', {'gross': 563938, 'taxes': 31966, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'hoh', 'dependents': 3, 'freq': 'weekly'}, [71250, 460722])], [('regression', {'gross': 375806, 'taxes': 85086, 'pre_levy_ded': 17388, 'post_levy_ded': 18649, 'status': 'mfj', 'dependents': 1, 'freq': 'semimonthly'}, [142708, 130624]), ('regression', {'gross': 662079, 'taxes': 145163, 'pre_levy_ded': 13433, 'post_levy_ded': 24210, 'status': 'mfj', 'dependents': 4, 'freq': 'monthly'}, [411667, 91816]), ('partial-repair probe', {'gross': 479258, 'taxes': 23759, 'pre_levy_ded': 40016, 'post_levy_ded': 17364, 'status': 'mfj', 'dependents': 2, 'freq': 'weekly'}, [75577, 339906]), ('partial-repair probe', {'gross': 558221, 'taxes': 118600, 'pre_levy_ded': 0, 'post_levy_ded': 47539, 'status': 'hoh', 'dependents': 2, 'freq': 'biweekly'}, [123077, 316544]), ('normal control', {'gross': 138753, 'taxes': 7542, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'single', 'dependents': 0, 'freq': 'weekly'}, [28077, 103134]), ('normal control', {'gross': 577739, 'taxes': 20404, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'single', 'dependents': 3, 'freq': 'biweekly'}, [114423, 442912]), ('normal control', {'gross': 63591, 'taxes': 13599, 'pre_levy_ded': 16434, 'post_levy_ded': 21975, 'status': 'single', 'dependents': 1, 'freq': 'monthly'}, [163750, 0]), ('normal control', {'gross': 395451, 'taxes': 34942, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'mfj', 'dependents': 3, 'freq': 'monthly'}, [369583, 0])], [('regression', {'gross': 662079, 'taxes': 145163, 'pre_levy_ded': 13433, 'post_levy_ded': 24210, 'status': 'mfj', 'dependents': 4, 'freq': 'monthly'}, [411667, 91816]), ('regression', {'gross': 479258, 'taxes': 23759, 'pre_levy_ded': 40016, 'post_levy_ded': 17364, 'status': 'mfj', 'dependents': 2, 'freq': 'weekly'}, [75577, 339906]), ('partial-repair probe', {'gross': 558221, 'taxes': 118600, 'pre_levy_ded': 0, 'post_levy_ded': 47539, 'status': 'hoh', 'dependents': 2, 'freq': 'biweekly'}, [123077, 316544]), ('partial-repair probe', {'gross': 531960, 'taxes': 121383, 'pre_levy_ded': 0, 'post_levy_ded': 49273, 'status': 'mfj', 'dependents': 2, 'freq': 'monthly'}, [327500, 83077]), ('normal control', {'gross': 305137, 'taxes': 19564, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'single', 'dependents': 3, 'freq': 'semimonthly'}, [123958, 161615]), ('normal control', {'gross': 635528, 'taxes': 132531, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'mfj', 'dependents': 3, 'freq': 'semimonthly'}, [184792, 318205]), ('normal control', {'gross': 366618, 'taxes': 60829, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'single', 'dependents': 3, 'freq': 'semimonthly'}, [123958, 181831]), ('normal control', {'gross': 8853, 'taxes': 59, 'pre_levy_ded': 24787, 'post_levy_ded': 28519, 'status': 'hoh', 'dependents': 4, 'freq': 'weekly'}, [80962, 0])], [('regression', {'gross': 479258, 'taxes': 23759, 'pre_levy_ded': 40016, 'post_levy_ded': 17364, 'status': 'mfj', 'dependents': 2, 'freq': 'weekly'}, [75577, 339906]), ('regression', {'gross': 558221, 'taxes': 118600, 'pre_levy_ded': 0, 'post_levy_ded': 47539, 'status': 'hoh', 'dependents': 2, 'freq': 'biweekly'}, [123077, 316544]), ('partial-repair probe', {'gross': 714333, 'taxes': 49017, 'pre_levy_ded': 0, 'post_levy_ded': 19873, 'status': 'single', 'dependents': 0, 'freq': 'monthly'}, [121667, 543649]), ('partial-repair probe', {'gross': 269535, 'taxes': 50302, 'pre_levy_ded': 0, 'post_levy_ded': 6956, 'status': 'mfj', 'dependents': 5, 'freq': 'weekly'}, [104712, 114521]), ('normal control', {'gross': 779132, 'taxes': 128015, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'single', 'dependents': 1, 'freq': 'weekly'}, [37788, 613329]), ('normal control', {'gross': 69342, 'taxes': 11860, 'pre_levy_ded': 41829, 'post_levy_ded': 14623, 'status': 'mfj', 'dependents': 5, 'freq': 'weekly'}, [104712, 0]), ('normal control', {'gross': 6064, 'taxes': 1426, 'pre_levy_ded': 22874, 'post_levy_ded': 33677, 'status': 'hoh', 'dependents': 3, 'freq': 'monthly'}, [308750, 0]), ('normal control', {'gross': 33043, 'taxes': 265, 'pre_levy_ded': 23066, 'post_levy_ded': 21163, 'status': 'hoh', 'dependents': 2, 'freq': 'biweekly'}, [123077, 0])], [('regression', {'gross': 558221, 'taxes': 118600, 'pre_levy_ded': 0, 'post_levy_ded': 47539, 'status': 'hoh', 'dependents': 2, 'freq': 'biweekly'}, [123077, 316544]), ('regression', {'gross': 531960, 'taxes': 121383, 'pre_levy_ded': 0, 'post_levy_ded': 49273, 'status': 'mfj', 'dependents': 2, 'freq': 'monthly'}, [327500, 83077]), ('partial-repair probe', {'gross': 725985, 'taxes': 84896, 'pre_levy_ded': 30943, 'post_levy_ded': 0, 'status': 'single', 'dependents': 4, 'freq': 'weekly'}, [66923, 543223]), ('partial-repair probe', {'gross': 477116, 'taxes': 107625, 'pre_levy_ded': 42879, 'post_levy_ded': 0, 'status': 'single', 'dependents': 2, 'freq': 'monthly'}, [205833, 120779]), ('normal control', {'gross': 151095, 'taxes': 31116, 'pre_levy_ded': 0, 'post_levy_ded': 34683, 'status': 'hoh', 'dependents': 2, 'freq': 'semimonthly'}, [133333, 0]), ('normal control', {'gross': 203821, 'taxes': 29456, 'pre_levy_ded': 8462, 'post_levy_ded': 0, 'status': 'single', 'dependents': 3, 'freq': 'monthly'}, [247917, 0]), ('normal control', {'gross': 537193, 'taxes': 28810, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'mfj', 'dependents': 5, 'freq': 'monthly'}, [453750, 54633]), ('normal control', {'gross': 311681, 'taxes': 23321, 'pre_levy_ded': 0, 'post_levy_ded': 0, 'status': 'mfj', 'dependents': 5, 'freq': 'biweekly'}, [209423, 78937])]]\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 payroll rule with toy thresholds and rates. It makes no claim of conformance to any tax authority, statute or jurisdiction and is not payroll 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-payroll-withholding-wage-levy-exempt-amount-post-levy-deductions-excluded","generated_at":"2026-09-29T14:46:34.346862+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"A wage levy takes everything above an exempt amount, so the exempt computation and take-home definition decide the whole paycheck.","repair":"Restore the contract rule at the post-levy deductions excluded step: use `take_home = x['gross'] - x['taxes'] - x['pre_levy_ded']`.","root_cause":"Deductions started after the levy are subtracted from take-home pay.","sha256":"263d8e4e00a3687a87ecd8d32f19d6306cbb292007b252be9be2034509b8f190","title":"Wage levy exempt amount: post-levy deductions excluded · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verification":{"attempt":{"elapsed_ms":41.106,"exit_code":1,"observations":[{"actual":[91250,194352],"check":"regression 0","expected":[91250,197239],"passed":false},{"actual":[142708,129363],"check":"regression 1","expected":[142708,130624],"passed":false},{"actual":[411667,81039],"check":"partial-repair probe 2","expected":[411667,91816],"passed":false},{"actual":[75577,362558],"check":"partial-repair probe 3","expected":[75577,339906],"passed":false},{"actual":[453750,0],"check":"normal control 4","expected":[453750,0],"passed":true},{"actual":[37788,39121],"check":"normal control 5","expected":[37788,39121],"passed":true},{"actual":[81875,561664],"check":"normal control 6","expected":[81875,561664],"passed":true},{"actual":[71250,460722],"check":"normal control 7","expected":[71250,460722],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"regression 0\", \"actual\": [91250, 194352], \"expected\": [91250, 197239], \"passed\": false}, {\"check\": \"regression 1\", \"actual\": [142708, 129363], \"expected\": [142708, 130624], \"passed\": false}, {\"check\": \"partial-repair probe 2\", \"actual\": [411667, 81039], \"expected\": [411667, 91816], \"passed\": false}, {\"check\": \"partial-repair probe 3\", \"actual\": [75577, 362558], \"expected\": [75577, 339906], \"passed\": false}, {\"check\": \"normal control 4\", \"actual\": [453750, 0], \"expected\": [453750, 0], \"passed\": true}, {\"check\": \"normal control 5\", \"actual\": [37788, 39121], \"expected\": [37788, 39121], \"passed\": true}, {\"check\": \"normal control 6\", \"actual\": [81875, 561664], \"expected\": [81875, 561664], \"passed\": true}, {\"check\": \"normal control 7\", \"actual\": [71250, 460722], \"expected\": [71250, 460722], \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":42.947,"exit_code":1,"observations":[{"actual":[91250,178069],"check":"regression 0","expected":[91250,197239],"passed":false},{"actual":[142708,111975],"check":"regression 1","expected":[142708,130624],"passed":false},{"actual":[411667,67606],"check":"partial-repair probe 2","expected":[411667,91816],"passed":false},{"actual":[75577,322542],"check":"partial-repair probe 3","expected":[75577,339906],"passed":false},{"actual":[453750,0],"check":"normal control 4","expected":[453750,0],"passed":true},{"actual":[37788,39121],"check":"normal control 5","expected":[37788,39121],"passed":true},{"actual":[81875,561664],"check":"normal control 6","expected":[81875,561664],"passed":true},{"actual":[71250,460722],"check":"normal control 7","expected":[71250,460722],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"regression 0\", \"actual\": [91250, 178069], \"expected\": [91250, 197239], \"passed\": false}, {\"check\": \"regression 1\", \"actual\": [142708, 111975], \"expected\": [142708, 130624], \"passed\": false}, {\"check\": \"partial-repair probe 2\", \"actual\": [411667, 67606], \"expected\": [411667, 91816], \"passed\": false}, {\"check\": \"partial-repair probe 3\", \"actual\": [75577, 322542], \"expected\": [75577, 339906], \"passed\": false}, {\"check\": \"normal control 4\", \"actual\": [453750, 0], \"expected\": [453750, 0], \"passed\": true}, {\"check\": \"normal control 5\", \"actual\": [37788, 39121], \"expected\": [37788, 39121], \"passed\": true}, {\"check\": \"normal control 6\", \"actual\": [81875, 561664], \"expected\": [81875, 561664], \"passed\": true}, {\"check\": \"normal control 7\", \"actual\": [71250, 460722], \"expected\": [71250, 460722], \"passed\": true}], \"passed\": false}\n"},"fixed":{"elapsed_ms":41.308,"exit_code":0,"observations":[{"actual":[91250,197239],"check":"regression 0","expected":[91250,197239],"passed":true},{"actual":[142708,130624],"check":"regression 1","expected":[142708,130624],"passed":true},{"actual":[411667,91816],"check":"partial-repair probe 2","expected":[411667,91816],"passed":true},{"actual":[75577,339906],"check":"partial-repair probe 3","expected":[75577,339906],"passed":true},{"actual":[453750,0],"check":"normal control 4","expected":[453750,0],"passed":true},{"actual":[37788,39121],"check":"normal control 5","expected":[37788,39121],"passed":true},{"actual":[81875,561664],"check":"normal control 6","expected":[81875,561664],"passed":true},{"actual":[71250,460722],"check":"normal control 7","expected":[71250,460722],"passed":true}],"passed":true,"stderr":"","stdout":"{\"observations\": [{\"check\": \"regression 0\", \"actual\": [91250, 197239], \"expected\": [91250, 197239], \"passed\": true}, {\"check\": \"regression 1\", \"actual\": [142708, 130624], \"expected\": [142708, 130624], \"passed\": true}, {\"check\": \"partial-repair probe 2\", \"actual\": [411667, 91816], \"expected\": [411667, 91816], \"passed\": true}, {\"check\": \"partial-repair probe 3\", \"actual\": [75577, 339906], \"expected\": [75577, 339906], \"passed\": true}, {\"check\": \"normal control 4\", \"actual\": [453750, 0], \"expected\": [453750, 0], \"passed\": true}, {\"check\": \"normal control 5\", \"actual\": [37788, 39121], \"expected\": [37788, 39121], \"passed\": true}, {\"check\": \"normal control 6\", \"actual\": [81875, 561664], \"expected\": [81875, 561664], \"passed\": true}, {\"check\": \"normal control 7\", \"actual\": [71250, 460722], \"expected\": [71250, 460722], \"passed\": true}], \"passed\": true}\n"}},"verified":true,"visibility":"public"}