{"abstract":"Total interest excludes the interest in the balloon payment.","category":"Loan amortization schedules","checks":7,"contract":"x = {'principal', 'rate_bp', 'amort_months', 'term_months'}. The level payment amortizes over amort_months (exact annuity, half-up). Payments run to the earlier of term and amortization end; the last one pays balance + interest (the balloon). Monthly interest is round_half_up(balance*bp/120000). Return {'payment', 'final_payment', 'balloon_excess': final - payment, 'total_interest'}.","contract_signature":"x","evaluation_group":"w2-loan-amortization-schedules-balloon-maturity","failed_approach":"Skipping the first month instead still leaves a month out.","family":"w2-loan-amortization-schedules-balloon-maturity-interest-total-scope","id":"FA-58586","implementations":{"attempt":{"sha256":"681157b35f88e816c0525f7b9acabed3f48e1beef44bdb7bb99b04c2da304cab","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport math\nfrom fractions import Fraction\nN = 1\nobservations = []\ndef solve(x):\n    def rnd(n, d):\n        q, r = divmod(n, d)\n        return q + (1 if 2 * r >= d else 0)\n    def level(P, n):\n        if n <= 0 or P <= 0:\n            return 0\n        if bp == 0:\n            exact = Fraction(P, n)\n        else:\n            r = Fraction(bp, 120000)\n            exact = P * r / (1 - (1 + r) ** -n)\n        return math.floor(exact + Fraction(1, 2))\n    bp = x['rate_bp']\n    P = x['principal']\n    pay = level(P, x['amort_months'])\n    last_k = min(x['term_months'], x['amort_months'])\n    bal = P\n    total = 0\n    final = 0\n    for k in range(1, last_k + 1):\n        interest = rnd(bal * bp, 120000)\n        total += interest if k > 1 else 0\n        if k == last_k:\n            final = bal + interest\n        else:\n            bal -= pay - interest\n    return {'payment': pay, 'final_payment': final, 'balloon_excess': final - pay, 'total_interest': total}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[['regression: interest total scope', {'principal': 55555, 'rate_bp': 600, 'amort_months': 12, 'term_months': 84}, {'payment': 4781, 'final_payment': 4786, 'balloon_excess': 5, 'total_interest': 1822}], ['control 1', {'principal': 100000, 'rate_bp': 0, 'amort_months': 5, 'term_months': 3}, {'payment': 20000, 'final_payment': 60000, 'balloon_excess': 40000, 'total_interest': 0}], ['control 2', {'principal': 55555, 'rate_bp': 0, 'amort_months': 360, 'term_months': 5}, {'payment': 154, 'final_payment': 54939, 'balloon_excess': 54785, 'total_interest': 0}], ['control 3', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 5, 'term_months': 84}, {'payment': 600000, 'final_payment': 600000, 'balloon_excess': 0, 'total_interest': 0}], ['control 4', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 360, 'term_months': 5}, {'payment': 8333, 'final_payment': 2966668, 'balloon_excess': 2958335, 'total_interest': 0}], ['control 5', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 60, 'term_months': 5}, {'payment': 50000, 'final_payment': 2800000, 'balloon_excess': 2750000, 'total_interest': 0}], ['control 6', {'principal': 55555, 'rate_bp': 0, 'amort_months': 12, 'term_months': 3}, {'payment': 4630, 'final_payment': 46295, 'balloon_excess': 41665, 'total_interest': 0}]], [['regression: interest total scope', {'principal': 100000, 'rate_bp': 725, 'amort_months': 360, 'term_months': 5}, {'payment': 682, 'final_payment': 100288, 'balloon_excess': 99606, 'total_interest': 3016}], ['control 1', {'principal': 100000, 'rate_bp': 0, 'amort_months': 12, 'term_months': 5}, {'payment': 8333, 'final_payment': 66668, 'balloon_excess': 58335, 'total_interest': 0}], ['control 2', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 60, 'term_months': 12}, {'payment': 50000, 'final_payment': 2450000, 'balloon_excess': 2400000, 'total_interest': 0}], ['control 3', {'principal': 55555, 'rate_bp': 0, 'amort_months': 360, 'term_months': 84}, {'payment': 154, 'final_payment': 42773, 'balloon_excess': 42619, 'total_interest': 0}], ['control 4', {'principal': 55555, 'rate_bp': 0, 'amort_months': 360, 'term_months': 3}, {'payment': 154, 'final_payment': 55247, 'balloon_excess': 55093, 'total_interest': 0}], ['control 5', {'principal': 100000, 'rate_bp': 0, 'amort_months': 60, 'term_months': 60}, {'payment': 1667, 'final_payment': 1647, 'balloon_excess': -20, 'total_interest': 0}], ['control 6', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 360, 'term_months': 60}, {'payment': 8333, 'final_payment': 2508353, 'balloon_excess': 2500020, 'total_interest': 0}]], [['regression: interest total scope', {'principal': 55555, 'rate_bp': 600, 'amort_months': 5, 'term_months': 3}, {'payment': 11278, 'final_payment': 33668, 'balloon_excess': 22390, 'total_interest': 669}], ['control 1', {'principal': 100000, 'rate_bp': 0, 'amort_months': 5, 'term_months': 3}, {'payment': 20000, 'final_payment': 60000, 'balloon_excess': 40000, 'total_interest': 0}], ['control 2', {'principal': 100000, 'rate_bp': 0, 'amort_months': 60, 'term_months': 5}, {'payment': 1667, 'final_payment': 93332, 'balloon_excess': 91665, 'total_interest': 0}], ['control 3', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 5, 'term_months': 60}, {'payment': 600000, 'final_payment': 600000, 'balloon_excess': 0, 'total_interest': 0}], ['control 4', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 12, 'term_months': 5}, {'payment': 250000, 'final_payment': 2000000, 'balloon_excess': 1750000, 'total_interest': 0}], ['control 5', {'principal': 100000, 'rate_bp': 0, 'amort_months': 12, 'term_months': 12}, {'payment': 8333, 'final_payment': 8337, 'balloon_excess': 4, 'total_interest': 0}], ['control 6', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 360, 'term_months': 12}, {'payment': 8333, 'final_payment': 2908337, 'balloon_excess': 2900004, 'total_interest': 0}]], [['regression: interest total scope', {'principal': 1000000, 'rate_bp': 725, 'amort_months': 360, 'term_months': 12}, {'payment': 6822, 'final_payment': 997140, 'balloon_excess': 990318, 'total_interest': 72182}], ['control 1', {'principal': 55555, 'rate_bp': 0, 'amort_months': 5, 'term_months': 84}, {'payment': 11111, 'final_payment': 11111, 'balloon_excess': 0, 'total_interest': 0}], ['control 2', {'principal': 1000000, 'rate_bp': 0, 'amort_months': 60, 'term_months': 3}, {'payment': 16667, 'final_payment': 966666, 'balloon_excess': 949999, 'total_interest': 0}], ['control 3', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 60, 'term_months': 84}, {'payment': 50000, 'final_payment': 50000, 'balloon_excess': 0, 'total_interest': 0}], ['control 4', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 5, 'term_months': 84}, {'payment': 600000, 'final_payment': 600000, 'balloon_excess': 0, 'total_interest': 0}], ['control 5', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 5, 'term_months': 12}, {'payment': 600000, 'final_payment': 600000, 'balloon_excess': 0, 'total_interest': 0}], ['control 6', {'principal': 100000, 'rate_bp': 0, 'amort_months': 60, 'term_months': 12}, {'payment': 1667, 'final_payment': 81663, 'balloon_excess': 79996, 'total_interest': 0}]], [['regression: interest total scope', {'principal': 3000000, 'rate_bp': 1200, 'amort_months': 60, 'term_months': 12}, {'payment': 66733, 'final_payment': 2600867, 'balloon_excess': 2534134, 'total_interest': 334930}], ['control 1', {'principal': 55555, 'rate_bp': 0, 'amort_months': 60, 'term_months': 60}, {'payment': 926, 'final_payment': 921, 'balloon_excess': -5, 'total_interest': 0}], ['control 2', {'principal': 1000000, 'rate_bp': 0, 'amort_months': 5, 'term_months': 3}, {'payment': 200000, 'final_payment': 600000, 'balloon_excess': 400000, 'total_interest': 0}], ['control 3', {'principal': 1000000, 'rate_bp': 0, 'amort_months': 360, 'term_months': 60}, {'payment': 2778, 'final_payment': 836098, 'balloon_excess': 833320, 'total_interest': 0}], ['control 4', {'principal': 100000, 'rate_bp': 0, 'amort_months': 360, 'term_months': 3}, {'payment': 278, 'final_payment': 99444, 'balloon_excess': 99166, 'total_interest': 0}], ['control 5', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 5, 'term_months': 3}, {'payment': 600000, 'final_payment': 1800000, 'balloon_excess': 1200000, 'total_interest': 0}], ['control 6', {'principal': 55555, 'rate_bp': 0, 'amort_months': 60, 'term_months': 84}, {'payment': 926, 'final_payment': 921, 'balloon_excess': -5, 'total_interest': 0}]]]\nfor label, args, expected in fixtures[N-1]:\n    try:\n        actual = solve(args)\n    except Exception as exc:\n        actual = 'raised ' + type(exc).__name__\n    check(label, actual, 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":"0047f2b993078f4cb007955a04512c084f1402fab83c38c620ae961e79965e6d","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport math\nfrom fractions import Fraction\nN = 1\nobservations = []\ndef solve(x):\n    def rnd(n, d):\n        q, r = divmod(n, d)\n        return q + (1 if 2 * r >= d else 0)\n    def level(P, n):\n        if n <= 0 or P <= 0:\n            return 0\n        if bp == 0:\n            exact = Fraction(P, n)\n        else:\n            r = Fraction(bp, 120000)\n            exact = P * r / (1 - (1 + r) ** -n)\n        return math.floor(exact + Fraction(1, 2))\n    bp = x['rate_bp']\n    P = x['principal']\n    pay = level(P, x['amort_months'])\n    last_k = min(x['term_months'], x['amort_months'])\n    bal = P\n    total = 0\n    final = 0\n    for k in range(1, last_k + 1):\n        interest = rnd(bal * bp, 120000)\n        total += interest if k < last_k else 0\n        if k == last_k:\n            final = bal + interest\n        else:\n            bal -= pay - interest\n    return {'payment': pay, 'final_payment': final, 'balloon_excess': final - pay, 'total_interest': total}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[['regression: interest total scope', {'principal': 55555, 'rate_bp': 600, 'amort_months': 12, 'term_months': 84}, {'payment': 4781, 'final_payment': 4786, 'balloon_excess': 5, 'total_interest': 1822}], ['control 1', {'principal': 100000, 'rate_bp': 0, 'amort_months': 5, 'term_months': 3}, {'payment': 20000, 'final_payment': 60000, 'balloon_excess': 40000, 'total_interest': 0}], ['control 2', {'principal': 55555, 'rate_bp': 0, 'amort_months': 360, 'term_months': 5}, {'payment': 154, 'final_payment': 54939, 'balloon_excess': 54785, 'total_interest': 0}], ['control 3', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 5, 'term_months': 84}, {'payment': 600000, 'final_payment': 600000, 'balloon_excess': 0, 'total_interest': 0}], ['control 4', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 360, 'term_months': 5}, {'payment': 8333, 'final_payment': 2966668, 'balloon_excess': 2958335, 'total_interest': 0}], ['control 5', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 60, 'term_months': 5}, {'payment': 50000, 'final_payment': 2800000, 'balloon_excess': 2750000, 'total_interest': 0}], ['control 6', {'principal': 55555, 'rate_bp': 0, 'amort_months': 12, 'term_months': 3}, {'payment': 4630, 'final_payment': 46295, 'balloon_excess': 41665, 'total_interest': 0}]], [['regression: interest total scope', {'principal': 100000, 'rate_bp': 725, 'amort_months': 360, 'term_months': 5}, {'payment': 682, 'final_payment': 100288, 'balloon_excess': 99606, 'total_interest': 3016}], ['control 1', {'principal': 100000, 'rate_bp': 0, 'amort_months': 12, 'term_months': 5}, {'payment': 8333, 'final_payment': 66668, 'balloon_excess': 58335, 'total_interest': 0}], ['control 2', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 60, 'term_months': 12}, {'payment': 50000, 'final_payment': 2450000, 'balloon_excess': 2400000, 'total_interest': 0}], ['control 3', {'principal': 55555, 'rate_bp': 0, 'amort_months': 360, 'term_months': 84}, {'payment': 154, 'final_payment': 42773, 'balloon_excess': 42619, 'total_interest': 0}], ['control 4', {'principal': 55555, 'rate_bp': 0, 'amort_months': 360, 'term_months': 3}, {'payment': 154, 'final_payment': 55247, 'balloon_excess': 55093, 'total_interest': 0}], ['control 5', {'principal': 100000, 'rate_bp': 0, 'amort_months': 60, 'term_months': 60}, {'payment': 1667, 'final_payment': 1647, 'balloon_excess': -20, 'total_interest': 0}], ['control 6', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 360, 'term_months': 60}, {'payment': 8333, 'final_payment': 2508353, 'balloon_excess': 2500020, 'total_interest': 0}]], [['regression: interest total scope', {'principal': 55555, 'rate_bp': 600, 'amort_months': 5, 'term_months': 3}, {'payment': 11278, 'final_payment': 33668, 'balloon_excess': 22390, 'total_interest': 669}], ['control 1', {'principal': 100000, 'rate_bp': 0, 'amort_months': 5, 'term_months': 3}, {'payment': 20000, 'final_payment': 60000, 'balloon_excess': 40000, 'total_interest': 0}], ['control 2', {'principal': 100000, 'rate_bp': 0, 'amort_months': 60, 'term_months': 5}, {'payment': 1667, 'final_payment': 93332, 'balloon_excess': 91665, 'total_interest': 0}], ['control 3', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 5, 'term_months': 60}, {'payment': 600000, 'final_payment': 600000, 'balloon_excess': 0, 'total_interest': 0}], ['control 4', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 12, 'term_months': 5}, {'payment': 250000, 'final_payment': 2000000, 'balloon_excess': 1750000, 'total_interest': 0}], ['control 5', {'principal': 100000, 'rate_bp': 0, 'amort_months': 12, 'term_months': 12}, {'payment': 8333, 'final_payment': 8337, 'balloon_excess': 4, 'total_interest': 0}], ['control 6', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 360, 'term_months': 12}, {'payment': 8333, 'final_payment': 2908337, 'balloon_excess': 2900004, 'total_interest': 0}]], [['regression: interest total scope', {'principal': 1000000, 'rate_bp': 725, 'amort_months': 360, 'term_months': 12}, {'payment': 6822, 'final_payment': 997140, 'balloon_excess': 990318, 'total_interest': 72182}], ['control 1', {'principal': 55555, 'rate_bp': 0, 'amort_months': 5, 'term_months': 84}, {'payment': 11111, 'final_payment': 11111, 'balloon_excess': 0, 'total_interest': 0}], ['control 2', {'principal': 1000000, 'rate_bp': 0, 'amort_months': 60, 'term_months': 3}, {'payment': 16667, 'final_payment': 966666, 'balloon_excess': 949999, 'total_interest': 0}], ['control 3', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 60, 'term_months': 84}, {'payment': 50000, 'final_payment': 50000, 'balloon_excess': 0, 'total_interest': 0}], ['control 4', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 5, 'term_months': 84}, {'payment': 600000, 'final_payment': 600000, 'balloon_excess': 0, 'total_interest': 0}], ['control 5', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 5, 'term_months': 12}, {'payment': 600000, 'final_payment': 600000, 'balloon_excess': 0, 'total_interest': 0}], ['control 6', {'principal': 100000, 'rate_bp': 0, 'amort_months': 60, 'term_months': 12}, {'payment': 1667, 'final_payment': 81663, 'balloon_excess': 79996, 'total_interest': 0}]], [['regression: interest total scope', {'principal': 3000000, 'rate_bp': 1200, 'amort_months': 60, 'term_months': 12}, {'payment': 66733, 'final_payment': 2600867, 'balloon_excess': 2534134, 'total_interest': 334930}], ['control 1', {'principal': 55555, 'rate_bp': 0, 'amort_months': 60, 'term_months': 60}, {'payment': 926, 'final_payment': 921, 'balloon_excess': -5, 'total_interest': 0}], ['control 2', {'principal': 1000000, 'rate_bp': 0, 'amort_months': 5, 'term_months': 3}, {'payment': 200000, 'final_payment': 600000, 'balloon_excess': 400000, 'total_interest': 0}], ['control 3', {'principal': 1000000, 'rate_bp': 0, 'amort_months': 360, 'term_months': 60}, {'payment': 2778, 'final_payment': 836098, 'balloon_excess': 833320, 'total_interest': 0}], ['control 4', {'principal': 100000, 'rate_bp': 0, 'amort_months': 360, 'term_months': 3}, {'payment': 278, 'final_payment': 99444, 'balloon_excess': 99166, 'total_interest': 0}], ['control 5', {'principal': 3000000, 'rate_bp': 0, 'amort_months': 5, 'term_months': 3}, {'payment': 600000, 'final_payment': 1800000, 'balloon_excess': 1200000, 'total_interest': 0}], ['control 6', {'principal': 55555, 'rate_bp': 0, 'amort_months': 60, 'term_months': 84}, {'payment': 926, 'final_payment': 921, 'balloon_excess': -5, 'total_interest': 0}]]]\nfor label, args, expected in fixtures[N-1]:\n    try:\n        actual = solve(args)\n    except Exception as exc:\n        actual = 'raised ' + type(exc).__name__\n    check(label, actual, 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 stipulated toy lending rules stated in the contract; money is integer cents and rates are basis points; it makes no claim of conformance to any regulation, servicing standard or product. 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-loan-amortization-schedules-balloon-maturity-interest-total-scope","generated_at":"2026-09-29T14:46:28.139519+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Amortization engines drive borrower statements, payoff quotes and investor remittances; a misplaced rounding step, boundary or ordering rule compounds across hundreds of periods.","root_cause":"Interest of the final month is not accumulated.","sha256":"cfbc7c54d7309ab7fca57f42e7fffc0d7487d8fd4fa1b202d36a4b04d42c3161","title":"Balloon maturity payment: interest total scope · 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":45.954,"exit_code":1,"observations":[{"actual":{"balloon_excess":5,"final_payment":4786,"payment":4781,"total_interest":1544},"check":"regression: interest total scope","expected":{"balloon_excess":5,"final_payment":4786,"payment":4781,"total_interest":1822},"passed":false},{"actual":{"balloon_excess":40000,"final_payment":60000,"payment":20000,"total_interest":0},"check":"control 1","expected":{"balloon_excess":40000,"final_payment":60000,"payment":20000,"total_interest":0},"passed":true},{"actual":{"balloon_excess":54785,"final_payment":54939,"payment":154,"total_interest":0},"check":"control 2","expected":{"balloon_excess":54785,"final_payment":54939,"payment":154,"total_interest":0},"passed":true},{"actual":{"balloon_excess":0,"final_payment":600000,"payment":600000,"total_interest":0},"check":"control 3","expected":{"balloon_excess":0,"final_payment":600000,"payment":600000,"total_interest":0},"passed":true},{"actual":{"balloon_excess":2958335,"final_payment":2966668,"payment":8333,"total_interest":0},"check":"control 4","expected":{"balloon_excess":2958335,"final_payment":2966668,"payment":8333,"total_interest":0},"passed":true},{"actual":{"balloon_excess":2750000,"final_payment":2800000,"payment":50000,"total_interest":0},"check":"control 5","expected":{"balloon_excess":2750000,"final_payment":2800000,"payment":50000,"total_interest":0},"passed":true},{"actual":{"balloon_excess":41665,"final_payment":46295,"payment":4630,"total_interest":0},"check":"control 6","expected":{"balloon_excess":41665,"final_payment":46295,"payment":4630,"total_interest":0},"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"regression: interest total scope\", \"actual\": {\"payment\": 4781, \"final_payment\": 4786, \"balloon_excess\": 5, \"total_interest\": 1544}, \"expected\": {\"payment\": 4781, \"final_payment\": 4786, \"balloon_excess\": 5, \"total_interest\": 1822}, \"passed\": false}, {\"check\": \"control 1\", \"actual\": {\"payment\": 20000, \"final_payment\": 60000, \"balloon_excess\": 40000, \"total_interest\": 0}, \"expected\": {\"payment\": 20000, \"final_payment\": 60000, \"balloon_excess\": 40000, \"total_interest\": 0}, \"passed\": true}, {\"check\": \"control 2\", \"actual\": {\"payment\": 154, \"final_payment\": 54939, \"balloon_excess\": 54785, \"total_interest\": 0}, \"expected\": {\"payment\": 154, \"final_payment\": 54939, \"balloon_excess\": 54785, \"total_interest\": 0}, \"passed\": true}, {\"check\": \"control 3\", \"actual\": {\"payment\": 600000, \"final_payment\": 600000, \"balloon_excess\": 0, \"total_interest\": 0}, \"expected\": {\"payment\": 600000, \"final_payment\": 600000, \"balloon_excess\": 0, \"total_interest\": 0}, \"passed\": true}, {\"check\": \"control 4\", \"actual\": {\"payment\": 8333, \"final_payment\": 2966668, \"balloon_excess\": 2958335, \"total_interest\": 0}, \"expected\": {\"payment\": 8333, \"final_payment\": 2966668, \"balloon_excess\": 2958335, \"total_interest\": 0}, \"passed\": true}, {\"check\": \"control 5\", \"actual\": {\"payment\": 50000, \"final_payment\": 2800000, \"balloon_excess\": 2750000, \"total_interest\": 0}, \"expected\": {\"payment\": 50000, \"final_payment\": 2800000, \"balloon_excess\": 2750000, \"total_interest\": 0}, \"passed\": true}, {\"check\": \"control 6\", \"actual\": {\"payment\": 4630, \"final_payment\": 46295, \"balloon_excess\": 41665, \"total_interest\": 0}, \"expected\": {\"payment\": 4630, \"final_payment\": 46295, \"balloon_excess\": 41665, \"total_interest\": 0}, \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":43.87,"exit_code":1,"observations":[{"actual":{"balloon_excess":5,"final_payment":4786,"payment":4781,"total_interest":1798},"check":"regression: interest total scope","expected":{"balloon_excess":5,"final_payment":4786,"payment":4781,"total_interest":1822},"passed":false},{"actual":{"balloon_excess":40000,"final_payment":60000,"payment":20000,"total_interest":0},"check":"control 1","expected":{"balloon_excess":40000,"final_payment":60000,"payment":20000,"total_interest":0},"passed":true},{"actual":{"balloon_excess":54785,"final_payment":54939,"payment":154,"total_interest":0},"check":"control 2","expected":{"balloon_excess":54785,"final_payment":54939,"payment":154,"total_interest":0},"passed":true},{"actual":{"balloon_excess":0,"final_payment":600000,"payment":600000,"total_interest":0},"check":"control 3","expected":{"balloon_excess":0,"final_payment":600000,"payment":600000,"total_interest":0},"passed":true},{"actual":{"balloon_excess":2958335,"final_payment":2966668,"payment":8333,"total_interest":0},"check":"control 4","expected":{"balloon_excess":2958335,"final_payment":2966668,"payment":8333,"total_interest":0},"passed":true},{"actual":{"balloon_excess":2750000,"final_payment":2800000,"payment":50000,"total_interest":0},"check":"control 5","expected":{"balloon_excess":2750000,"final_payment":2800000,"payment":50000,"total_interest":0},"passed":true},{"actual":{"balloon_excess":41665,"final_payment":46295,"payment":4630,"total_interest":0},"check":"control 6","expected":{"balloon_excess":41665,"final_payment":46295,"payment":4630,"total_interest":0},"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"regression: interest total scope\", \"actual\": {\"payment\": 4781, \"final_payment\": 4786, \"balloon_excess\": 5, \"total_interest\": 1798}, \"expected\": {\"payment\": 4781, \"final_payment\": 4786, \"balloon_excess\": 5, \"total_interest\": 1822}, \"passed\": false}, {\"check\": \"control 1\", \"actual\": {\"payment\": 20000, \"final_payment\": 60000, \"balloon_excess\": 40000, \"total_interest\": 0}, \"expected\": {\"payment\": 20000, \"final_payment\": 60000, \"balloon_excess\": 40000, \"total_interest\": 0}, \"passed\": true}, {\"check\": \"control 2\", \"actual\": {\"payment\": 154, \"final_payment\": 54939, \"balloon_excess\": 54785, \"total_interest\": 0}, \"expected\": {\"payment\": 154, \"final_payment\": 54939, \"balloon_excess\": 54785, \"total_interest\": 0}, \"passed\": true}, {\"check\": \"control 3\", \"actual\": {\"payment\": 600000, \"final_payment\": 600000, \"balloon_excess\": 0, \"total_interest\": 0}, \"expected\": {\"payment\": 600000, \"final_payment\": 600000, \"balloon_excess\": 0, \"total_interest\": 0}, \"passed\": true}, {\"check\": \"control 4\", \"actual\": {\"payment\": 8333, \"final_payment\": 2966668, \"balloon_excess\": 2958335, \"total_interest\": 0}, \"expected\": {\"payment\": 8333, \"final_payment\": 2966668, \"balloon_excess\": 2958335, \"total_interest\": 0}, \"passed\": true}, {\"check\": \"control 5\", \"actual\": {\"payment\": 50000, \"final_payment\": 2800000, \"balloon_excess\": 2750000, \"total_interest\": 0}, \"expected\": {\"payment\": 50000, \"final_payment\": 2800000, \"balloon_excess\": 2750000, \"total_interest\": 0}, \"passed\": true}, {\"check\": \"control 6\", \"actual\": {\"payment\": 4630, \"final_payment\": 46295, \"balloon_excess\": 41665, \"total_interest\": 0}, \"expected\": {\"payment\": 4630, \"final_payment\": 46295, \"balloon_excess\": 41665, \"total_interest\": 0}, \"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."}}