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bank_transactions_nop_85

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sample_id int64 0 99	prompt stringlengths 4.22k 6k	bug_type stringclasses 4 values	bug_location stringlengths 5 5	explanation stringlengths 29 37	metadata_bug_type stringclasses 4 values	n_operations int64 68 102	full_label stringlengths 101 107	full_metadata stringlengths 39 42
42	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $859: A=4000 → 3141, B=4200 → 5059 [TX002] Transfer $152: A=3141 → 2989, B=5059 → 5211 [TX003] Transfer $82: B=5211 → 5129, A=2989 → 3071 [TX004] Transfer $14: A=3071 → 3057, B=5129 → 5143 [TX005] Transfer $785: B=5143 → 4358, A=3057 → 3842 [TX006] Transfer $763: A=3842 → 3079, B=4358 → 5121 [TX007] Transfer $483: A=3079 → 2596, B=5121 → 5604 [TX008] Transfer $456: B=5604 → 5148, A=2596 → 3052 [TX009] Transfer $115: A=3052 → 2937, B=5148 → 5263 [TX010] Transfer $904: A=2937 → 2033, B=5263 → 6167 [TX011] Transfer $517: A=2033 → 1516, B=6167 → 6684 [TX012] Transfer $407: A=1516 → 1109, B=6684 → 7091 [TX013] Transfer $569: B=7091 → 6522, A=1109 → 1678 [TX014] Transfer $728: B=6522 → 5794, A=1678 → 2406 [TX015] Transfer $955: A=2406 → 1451, B=5794 → 6749 [TX016] Transfer $998: A=1451 → 453, B=6749 → 7747 [TX017] Transfer $66: A=453 → 387, B=7747 → 7813 [TX018] Transfer $30: A=387 → 357, B=7813 → 7843 [TX019] Transfer $96: A=357 → 261, B=7843 → 7939 [TX020] Transfer $124: A=261 → 137, B=7939 → 8063 [TX021] Transfer $849: B=8063 → 7214, A=137 → 986 [TX022] Transfer $57: B=7214 → 7157, A=986 → 1043 [TX023] Transfer $201: B=7157 → 6956, A=1043 → 1244 [TX024] Transfer $108: B=6956 → 6848, A=1244 → 1352 [TX025] Transfer $619: A=1352 → 733, B=6848 → 7467 [TX026] Transfer $247: B=7467 → 7220, A=733 → 980 [TX027] Transfer $556: B=7220 → 6664, A=980 → 1536 [TX028] Transfer $218: A=1536 → 1318, B=6664 → 6882 [TX029] Transfer $194: A=1318 → 1124, B=6882 → 7076 [TX030] Transfer $248: A=1124 → 876, B=7076 → 7324 [TX031] Transfer $585: B=7324 → 6739, A=876 → 1461 [TX032] Transfer $48: A=1461 → 1413, B=6739 → 6787 [TX033] Transfer $97: A=1413 → 1316, B=6787 → 6884 [TX034] Transfer $367: B=6884 → 6517, A=1316 → 1683 [TX035] Transfer $514: B=6517 → 6003, A=1683 → 2197 [TX036] Transfer $771: A=2197 → 1426, B=6003 → 6774 [TX037] Transfer $999: B=6774 → 5775, A=1426 → 2425 [TX038] Transfer $341: A=2425 → 2084, B=5775 → 6116 [TX039] Transfer $516: B=6116 → 5600, A=2084 → 2600 [TX040] Transfer $603: A=2600 → 1997, B=5600 → 6203 [TX041] Transfer $602: B=6203 → 5601, A=1997 → 2599 [TX042] Transfer $167: A=2599 → 2432, B=5601 → 5768 [TX043] Transfer $82: A=2432 → 2350, B=5768 → 5850 [TX044] Transfer $907: A=2350 → 1443, B=5850 → 6757 [TX045] Transfer $789: A=1443 → 654, B=6757 → 7546 [TX046] Transfer $460: A=654 → 194, B=7546 → 8006 [TX047] Transfer $39: A=194 → 155, B=8006 → 8045 [TX048] Transfer $42: B=8045 → 8003, A=155 → 197 [TX049] Transfer $215: B=8003 → 7788, A=197 → 412 [TX050] Transfer $292: A=412 → 120, B=7788 → 8080 [TX051] Transfer $826: B=8080 → 7254, A=120 → 946 [TX052] Transfer $786: A=946 → 160, B=7254 → 8040 [TX053] Transfer $512: B=8040 → 7528, A=160 → 672 [TX054] Transfer $323: A=672 → 349, B=7528 → 7851 [TX055] Transfer $43: A=349 → 306, B=7851 → 7894 [TX056] Transfer $149: A=306 → 157, B=7894 → 8043 [TX057] Transfer $93: B=8043 → 7950, A=157 → 250 [TX058] Transfer $119: A=250 → 131, B=7950 → 8069 [TX059] Transfer $264: B=8069 → 7805, A=131 → 395 [TX060] Transfer $964: B=7805 → 6841, A=395 → 1359 [TX061] Transfer $42: A=1359 → 1317, B=6841 → 6883 [TX062] Transfer $412: B=6883 → 6471, A=1317 → 1729 [TX063] Transfer $453: B=6471 → 6018, A=1729 → 2182 [TX064] Transfer $384: B=6018 → 5634, A=2182 → 2566 [TX065] Transfer $520: A=2566 → 2046, B=5634 → 6154 [TX066] Transfer $900: B=6154 → 5254, A=2046 → 2946 [TX067] Transfer $760: A=2946 → 2186, B=5254 → 6014 [TX068] Transfer $160: A=2186 → 2026, B=6014 → 6174 [TX069] Transfer $386: A=2026 → 1640, B=6174 → 6560 [TX070] Transfer $876: A=1640 → 764, B=6560 → 7436 [TX071] Transfer $399: A=764 → 365, B=7436 → 7835 [TX072] Transfer $359: B=7835 → 7476, A=365 → 724 [TX073] Transfer $659: B=7476 → 6817, A=724 → 1383 [TX074] Transfer $89: B=6817 → 6728, A=1383 → 1472 [TX075] Transfer $941: A=1472 → 531, B=6728 → 7669 [TX076] Transfer $206: B=7669 → 7463, A=531 → 737 [TX077] Transfer $68: B=7463 → 7395, A=737 → 805 [TX078] Transfer $620: B=7395 → 6775, A=805 → 1425 [TX079] Transfer $721: B=6775 → 6054, A=1425 → 2146 [TX080] Transfer $287: B=6054 → 5767, A=2146 → 2433 [TX081] Transfer $560: B=5767 → 5207, A=2433 → 2993 [TX082] Transfer $151: A=2993 → 2842, B=5207 → 5358 [TX083] Transfer $583: A=2842 → 2259, B=5358 → 5941 [TX084] Transfer $65: A=2259 → 2194, B=5941 → 6006 [TX085] Thread T1: READ B=6006 [TX086] Thread T2: READ B=6006 [TX087] Thread T1: COMMIT B=6006 → 5846 [TX088] Thread T2: COMMIT B=6006 → 5835 [TX089] Transfer $218: A=2194 → 1976, B=5835 → 6053 [TX090] Transfer $278: A=1976 → 1698, B=6053 → 6331 [TX091] Transfer $87: B=6331 → 6244, A=1698 → 1785 [TX092] Transfer $282: A=1785 → 1503, B=6244 → 6526 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	LOST_UPDATE	TX088	Thread T2 overwrites T1's change	LOST_UPDATE	92	{"bug_type": "LOST_UPDATE", "bug_location": "TX088", "explanation": "Thread T2 overwrites T1's change"}	{"bug_type": "LOST_UPDATE", "n_ops": 92}
41	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $231: A=4000 → 3769, B=4200 → 4431 [TX002] Transfer $300: A=3769 → 3469, B=4431 → 4731 [TX003] Transfer $966: A=3469 → 2503, B=4731 → 5697 [TX004] Transfer $278: B=5697 → 5419, A=2503 → 2781 [TX005] Transfer $845: A=2781 → 1936, B=5419 → 6264 [TX006] Transfer $3: A=1936 → 1933, B=6264 → 6267 [TX007] Transfer $334: B=6267 → 5933, A=1933 → 2267 [TX008] Transfer $741: A=2267 → 1526, B=5933 → 6674 [TX009] Transfer $921: A=1526 → 605, B=6674 → 7595 [TX010] Transfer $60: B=7595 → 7535, A=605 → 665 [TX011] Transfer $226: A=665 → 439, B=7535 → 7761 [TX012] Transfer $264: B=7761 → 7497, A=439 → 703 [TX013] Transfer $393: A=703 → 310, B=7497 → 7890 [TX014] Transfer $838: B=7890 → 7052, A=310 → 1148 [TX015] Transfer $334: B=7052 → 6718, A=1148 → 1482 [TX016] Transfer $597: B=6718 → 6121, A=1482 → 2079 [TX017] Transfer $458: B=6121 → 5663, A=2079 → 2537 [TX018] Transfer $379: A=2537 → 2158, B=5663 → 6042 [TX019] Transfer $97: A=2158 → 2061, B=6042 → 6139 [TX020] Transfer $472: B=6139 → 5667, A=2061 → 2533 [TX021] Transfer $195: A=2533 → 2338, B=5667 → 5862 [TX022] Transfer $665: B=5862 → 5197, A=2338 → 3003 [TX023] Transfer $319: B=5197 → 4878, A=3003 → 3322 [TX024] Transfer $839: A=3322 → 2483, B=4878 → 5717 [TX025] Transfer $73: B=5717 → 5644, A=2483 → 2556 [TX026] Transfer $438: A=2556 → 2118, B=5644 → 6082 [TX027] Transfer $932: A=2118 → 1186, B=6082 → 7014 [TX028] Transfer $743: B=7014 → 6271, A=1186 → 1929 [TX029] Transfer $619: A=1929 → 1310, B=6271 → 6890 [TX030] Transfer $395: A=1310 → 915, B=6890 → 7285 [TX031] Transfer $15: A=915 → 900, B=7285 → 7300 [TX032] Transfer $256: A=900 → 644, B=7300 → 7556 [TX033] Transfer $148: A=644 → 496, B=7556 → 7704 [TX034] Transfer $56: A=496 → 440, B=7704 → 7760 [TX035] Transfer $209: B=7760 → 7551, A=440 → 649 [TX036] Transfer $456: A=649 → 193, B=7551 → 8006 [TX037] Transfer $492: B=8007 → 7515, A=193 → 685 [TX038] Transfer $59: A=685 → 626, B=7515 → 7574 [TX039] Transfer $23: B=7574 → 7551, A=626 → 649 [TX040] Transfer $305: A=649 → 344, B=7551 → 7856 [TX041] Transfer $38: A=344 → 306, B=7856 → 7894 [TX042] Transfer $8: A=306 → 298, B=7894 → 7902 [TX043] Transfer $100: A=298 → 198, B=7902 → 8002 [TX044] Transfer $85: A=198 → 113, B=8002 → 8087 [TX045] Transfer $945: B=8087 → 7142, A=113 → 1058 [TX046] Transfer $505: B=7142 → 6637, A=1058 → 1563 [TX047] Transfer $231: A=1563 → 1332, B=6637 → 6868 [TX048] Transfer $367: A=1332 → 965, B=6868 → 7235 [TX049] Transfer $123: A=965 → 842, B=7235 → 7358 [TX050] Transfer $919: B=7358 → 6439, A=842 → 1761 [TX051] Transfer $184: A=1761 → 1577, B=6439 → 6623 [TX052] Transfer $616: B=6623 → 6007, A=1577 → 2193 [TX053] Transfer $155: A=2193 → 2038, B=6007 → 6162 [TX054] Transfer $358: B=6162 → 5804, A=2038 → 2396 [TX055] Transfer $940: A=2396 → 1456, B=5804 → 6744 [TX056] Transfer $957: B=6744 → 5787, A=1456 → 2413 [TX057] Transfer $809: B=5787 → 4978, A=2413 → 3222 [TX058] Transfer $798: A=3222 → 2424, B=4978 → 5776 [TX059] Transfer $153: A=2424 → 2271, B=5776 → 5929 [TX060] Transfer $740: B=5929 → 5189, A=2271 → 3011 [TX061] Transfer $117: B=5189 → 5072, A=3011 → 3128 [TX062] Transfer $150: B=5072 → 4922, A=3128 → 3278 [TX063] Transfer $132: A=3278 → 3146, B=4922 → 5054 [TX064] Transfer $363: A=3146 → 2783, B=5054 → 5417 [TX065] Transfer $436: B=5417 → 4981, A=2783 → 3219 [TX066] Transfer $618: B=4981 → 4363, A=3219 → 3837 [TX067] Transfer $823: B=4363 → 3540, A=3837 → 4660 [TX068] Transfer $430: A=4660 → 4230, B=3540 → 3970 [TX069] Transfer $547: B=3970 → 3423, A=4230 → 4777 [TX070] Transfer $87: A=4777 → 4690, B=3423 → 3510 [TX071] Transfer $721: B=3510 → 2789, A=4690 → 5411 [TX072] Transfer $372: A=5411 → 5039, B=2789 → 3161 [TX073] Transfer $873: A=5039 → 4166, B=3161 → 4034 [TX074] Transfer $573: A=4166 → 3593, B=4034 → 4607 [TX075] Transfer $945: B=4607 → 3662, A=3593 → 4538 [TX076] Transfer $935: A=4538 → 3603, B=3662 → 4597 [TX077] Transfer $871: B=4597 → 3726, A=3603 → 4474 [TX078] Transfer $473: A=4474 → 4001, B=3726 → 4199 [TX079] Transfer $250: A=4001 → 3751, B=4199 → 4449 [TX080] Transfer $59: A=3751 → 3692, B=4449 → 4508 [TX081] Transfer $987: A=3692 → 2705, B=4508 → 5495 [TX082] Transfer $752: A=2705 → 1953, B=5495 → 6247 [TX083] Transfer $382: A=1953 → 1571, B=6247 → 6629 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	CALC_ERROR	TX036	Mathematical calculation is incorrect	CALC_ERROR	83	{"bug_type": "CALC_ERROR", "bug_location": "TX036", "explanation": "Mathematical calculation is incorrect"}	{"bug_type": "CALC_ERROR", "n_ops": 83}
91	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $677: A=4000 → 3323, B=4200 → 4877 [TX002] Transfer $660: B=4877 → 4217, A=3323 → 3983 [TX003] Transfer $105: A=3983 → 3878, B=4217 → 4322 [TX004] Transfer $561: B=4322 → 3761, A=3878 → 4439 [TX005] Transfer $476: A=4439 → 3963, B=3761 → 4237 [TX006] Transfer $879: A=3963 → 3084, B=4237 → 5116 [TX007] Transfer $316: B=5116 → 4800, A=3084 → 3400 [TX008] Transfer $695: A=3400 → 2705, B=4800 → 5495 [TX009] Transfer $743: B=5495 → 4752, A=2705 → 3448 [TX010] Transfer $602: A=3448 → 2846, B=4752 → 5354 [TX011] Transfer $416: B=5354 → 4938, A=2846 → 3262 [TX012] Transfer $888: B=4938 → 4050, A=3262 → 4150 [TX013] Transfer $869: A=4150 → 3281, B=4050 → 4919 [TX014] Transfer $46: A=3281 → 3235, B=4919 → 4965 [TX015] Transfer $166: A=3235 → 3069, B=4965 → 5131 [TX016] Transfer $202: B=5131 → 4929, A=3069 → 3271 [TX017] Transfer $823: B=4929 → 4106, A=3271 → 4094 [TX018] Transfer $885: A=4094 → 3209, B=4106 → 4991 [TX019] Transfer $727: A=3209 → 2482, B=4991 → 5718 [TX020] Transfer $320: B=5718 → 5398, A=2482 → 2802 [TX021] Transfer $845: B=5398 → 4553, A=2802 → 3647 [TX022] Transfer $147: A=3647 → 3500, B=4553 → 4700 [TX023] Transfer $56: A=3500 → 3444, B=4700 → 4756 [TX024] Transfer $3450: A=3444 → -6, B=4756 → 8206 [TX025] Balance check: A=-6 [TX026] Balance check: A=-6 [TX027] Balance check: A=-6 [TX028] Balance check: A=-6 [TX029] Balance check: A=-6 [TX030] Balance check: A=-6 [TX031] Transfer $248: B=8206 → 7958, A=-6 → 242 [TX032] Transfer $27: A=242 → 215, B=7958 → 7985 [TX033] Transfer $48: B=7985 → 7937, A=215 → 263 [TX034] Transfer $41: A=263 → 222, B=7937 → 7978 [TX035] Transfer $741: B=7978 → 7237, A=222 → 963 [TX036] Transfer $597: B=7237 → 6640, A=963 → 1560 [TX037] Transfer $843: B=6640 → 5797, A=1560 → 2403 [TX038] Transfer $945: B=5797 → 4852, A=2403 → 3348 [TX039] Transfer $80: A=3348 → 3268, B=4852 → 4932 [TX040] Transfer $350: A=3268 → 2918, B=4932 → 5282 [TX041] Transfer $544: A=2918 → 2374, B=5282 → 5826 [TX042] Transfer $25: A=2374 → 2349, B=5826 → 5851 [TX043] Transfer $573: B=5851 → 5278, A=2349 → 2922 [TX044] Transfer $484: B=5278 → 4794, A=2922 → 3406 [TX045] Transfer $615: A=3406 → 2791, B=4794 → 5409 [TX046] Transfer $481: A=2791 → 2310, B=5409 → 5890 [TX047] Transfer $110: A=2310 → 2200, B=5890 → 6000 [TX048] Transfer $567: B=6000 → 5433, A=2200 → 2767 [TX049] Transfer $856: A=2767 → 1911, B=5433 → 6289 [TX050] Transfer $917: A=1911 → 994, B=6289 → 7206 [TX051] Transfer $259: A=994 → 735, B=7206 → 7465 [TX052] Transfer $795: B=7465 → 6670, A=735 → 1530 [TX053] Transfer $498: A=1530 → 1032, B=6670 → 7168 [TX054] Transfer $43: B=7168 → 7125, A=1032 → 1075 [TX055] Transfer $575: B=7125 → 6550, A=1075 → 1650 [TX056] Transfer $188: A=1650 → 1462, B=6550 → 6738 [TX057] Transfer $691: B=6738 → 6047, A=1462 → 2153 [TX058] Transfer $478: B=6047 → 5569, A=2153 → 2631 [TX059] Transfer $175: A=2631 → 2456, B=5569 → 5744 [TX060] Transfer $200: B=5744 → 5544, A=2456 → 2656 [TX061] Transfer $899: A=2656 → 1757, B=5544 → 6443 [TX062] Transfer $168: B=6443 → 6275, A=1757 → 1925 [TX063] Transfer $601: A=1925 → 1324, B=6275 → 6876 [TX064] Transfer $618: A=1324 → 706, B=6876 → 7494 [TX065] Transfer $869: B=7494 → 6625, A=706 → 1575 [TX066] Transfer $409: B=6625 → 6216, A=1575 → 1984 [TX067] Transfer $400: B=6216 → 5816, A=1984 → 2384 [TX068] Transfer $69: B=5816 → 5747, A=2384 → 2453 [TX069] Transfer $253: B=5747 → 5494, A=2453 → 2706 [TX070] Transfer $93: B=5494 → 5401, A=2706 → 2799 [TX071] Transfer $755: B=5401 → 4646, A=2799 → 3554 [TX072] Transfer $918: A=3554 → 2636, B=4646 → 5564 [TX073] Transfer $399: B=5564 → 5165, A=2636 → 3035 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	NEGATIVE_BAL	TX024	Account balance goes negative	NEGATIVE_BAL	73	{"bug_type": "NEGATIVE_BAL", "bug_location": "TX024", "explanation": "Account balance goes negative"}	{"bug_type": "NEGATIVE_BAL", "n_ops": 73}
9	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $708: B=4200 → 3492, A=4000 → 4708 [TX002] Transfer $493: B=3492 → 2999, A=4708 → 5201 [TX003] Transfer $296: B=2999 → 2703, A=5201 → 5497 [TX004] Transfer $919: A=5497 → 4578, B=2703 → 3622 [TX005] Transfer $979: B=3622 → 2643, A=4578 → 5557 [TX006] Transfer $45: A=5557 → 5512, B=2643 → 2688 [TX007] Transfer $356: B=2688 → 2332, A=5512 → 5868 [TX008] Transfer $767: B=2332 → 1565, A=5868 → 6635 [TX009] Transfer $208: B=1565 → 1357, A=6635 → 6843 [TX010] Transfer $142: B=1357 → 1215, A=6843 → 6985 [TX011] Transfer $250: A=6985 → 6735, B=1215 → 1465 [TX012] Transfer $655: A=6735 → 6080, B=1465 → 2120 [TX013] Transfer $104: A=6080 → 5976, B=2120 → 2224 [TX014] Transfer $736: B=2224 → 1488, A=5976 → 6712 [TX015] Transfer $699: B=1488 → 789, A=6712 → 7411 [TX016] Transfer $989: A=7411 → 6422, B=789 → 1778 [TX017] Transfer $670: A=6422 → 5752, B=1778 → 2448 [TX018] Transfer $668: B=2448 → 1780, A=5752 → 6420 [TX019] Transfer $330: A=6420 → 6090, B=1780 → 2110 [TX020] Transfer $931: B=2110 → 1179, A=6090 → 7021 [TX021] Transfer $549: A=7021 → 6472, B=1179 → 1728 [TX022] Transfer $429: A=6472 → 6043, B=1728 → 2157 [TX023] Transfer $858: A=6043 → 5185, B=2157 → 3015 [TX024] Transfer $192: B=3015 → 2823, A=5185 → 5377 [TX025] Transfer $11: B=2823 → 2812, A=5377 → 5388 [TX026] Transfer $952: B=2812 → 1860, A=5388 → 6340 [TX027] Transfer $467: B=1860 → 1393, A=6340 → 6807 [TX028] Transfer $873: B=1393 → 520, A=6807 → 7680 [TX029] Transfer $100: B=520 → 420, A=7680 → 7780 [TX030] Transfer $168: A=7780 → 7612, B=420 → 588 [TX031] Transfer $369: B=588 → 219, A=7612 → 7981 [TX032] Transfer $756: A=7981 → 7225, B=219 → 975 [TX033] Transfer $583: B=975 → 392, A=7225 → 7808 [TX034] Transfer $627: A=7808 → 7181, B=392 → 1019 [TX035] Transfer $529: B=1019 → 490, A=7181 → 7710 [TX036] Transfer $207: B=490 → 283, A=7710 → 7917 [TX037] Transfer $145: A=7917 → 7772, B=283 → 428 [TX038] Transfer $129: B=428 → 299, A=7772 → 7901 [TX039] Transfer $394: A=7901 → 7507, B=299 → 693 [TX040] Transfer $773: A=7507 → 6734, B=693 → 1468 [TX041] Transfer $598: B=1466 → 868, A=6734 → 7332 [TX042] Transfer $671: A=7332 → 6661, B=868 → 1539 [TX043] Transfer $65: B=1539 → 1474, A=6661 → 6726 [TX044] Transfer $316: A=6726 → 6410, B=1474 → 1790 [TX045] Transfer $704: A=6410 → 5706, B=1790 → 2494 [TX046] Transfer $656: B=2494 → 1838, A=5706 → 6362 [TX047] Transfer $631: B=1838 → 1207, A=6362 → 6993 [TX048] Transfer $982: A=6993 → 6011, B=1207 → 2189 [TX049] Transfer $158: A=6011 → 5853, B=2189 → 2347 [TX050] Transfer $427: B=2347 → 1920, A=5853 → 6280 [TX051] Transfer $782: B=1920 → 1138, A=6280 → 7062 [TX052] Transfer $540: A=7062 → 6522, B=1138 → 1678 [TX053] Transfer $81: B=1678 → 1597, A=6522 → 6603 [TX054] Transfer $850: A=6603 → 5753, B=1597 → 2447 [TX055] Transfer $170: A=5753 → 5583, B=2447 → 2617 [TX056] Transfer $121: B=2617 → 2496, A=5583 → 5704 [TX057] Transfer $95: A=5704 → 5609, B=2496 → 2591 [TX058] Transfer $466: B=2591 → 2125, A=5609 → 6075 [TX059] Transfer $469: A=6075 → 5606, B=2125 → 2594 [TX060] Transfer $690: A=5606 → 4916, B=2594 → 3284 [TX061] Transfer $407: B=3284 → 2877, A=4916 → 5323 [TX062] Transfer $765: B=2877 → 2112, A=5323 → 6088 [TX063] Transfer $48: A=6088 → 6040, B=2112 → 2160 [TX064] Transfer $719: B=2160 → 1441, A=6040 → 6759 [TX065] Transfer $959: A=6759 → 5800, B=1441 → 2400 [TX066] Transfer $34: A=5800 → 5766, B=2400 → 2434 [TX067] Transfer $186: B=2434 → 2248, A=5766 → 5952 [TX068] Transfer $385: A=5952 → 5567, B=2248 → 2633 [TX069] Transfer $892: B=2633 → 1741, A=5567 → 6459 [TX070] Transfer $84: B=1741 → 1657, A=6459 → 6543 [TX071] Transfer $123: A=6543 → 6420, B=1657 → 1780 [TX072] Transfer $543: A=6420 → 5877, B=1780 → 2323 [TX073] Transfer $856: A=5877 → 5021, B=2323 → 3179 [TX074] Transfer $307: A=5021 → 4714, B=3179 → 3486 [TX075] Transfer $546: B=3486 → 2940, A=4714 → 5260 [TX076] Transfer $255: B=2940 → 2685, A=5260 → 5515 [TX077] Transfer $160: B=2685 → 2525, A=5515 → 5675 [TX078] Transfer $961: B=2525 → 1564, A=5675 → 6636 [TX079] Transfer $830: A=6636 → 5806, B=1564 → 2394 [TX080] Transfer $248: B=2394 → 2146, A=5806 → 6054 [TX081] Transfer $105: A=6054 → 5949, B=2146 → 2251 [TX082] Transfer $614: A=5949 → 5335, B=2251 → 2865 [TX083] Transfer $760: A=5335 → 4575, B=2865 → 3625 [TX084] Transfer $451: A=4575 → 4124, B=3625 → 4076 [TX085] Transfer $774: A=4124 → 3350, B=4076 → 4850 [TX086] Transfer $517: A=3350 → 2833, B=4850 → 5367 [TX087] Transfer $837: B=5367 → 4530, A=2833 → 3670 [TX088] Transfer $244: B=4530 → 4286, A=3670 → 3914 [TX089] Transfer $678: B=4286 → 3608, A=3914 → 4592 [TX090] Transfer $309: A=4592 → 4283, B=3608 → 3917 [TX091] Transfer $572: B=3917 → 3345, A=4283 → 4855 [TX092] Transfer $571: A=4855 → 4284, B=3345 → 3916 [TX093] Transfer $997: B=3916 → 2919, A=4284 → 5281 [TX094] Transfer $806: B=2919 → 2113, A=5281 → 6087 [TX095] Transfer $420: B=2113 → 1693, A=6087 → 6507 [TX096] Transfer $387: A=6507 → 6120, B=1693 → 2080 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	CALC_ERROR	TX040	Mathematical calculation is incorrect	CALC_ERROR	96	{"bug_type": "CALC_ERROR", "bug_location": "TX040", "explanation": "Mathematical calculation is incorrect"}	{"bug_type": "CALC_ERROR", "n_ops": 96}
65	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $671: B=4200 → 3529, A=4000 → 4671 [TX002] Transfer $828: B=3529 → 2701, A=4671 → 5499 [TX003] Transfer $684: A=5499 → 4815, B=2701 → 3385 [TX004] Transfer $248: B=3385 → 3137, A=4815 → 5063 [TX005] Transfer $722: B=3137 → 2415, A=5063 → 5785 [TX006] Transfer $83: A=5785 → 5702, B=2415 → 2498 [TX007] Transfer $153: A=5702 → 5549, B=2498 → 2651 [TX008] Transfer $131: A=5549 → 5418, B=2651 → 2782 [TX009] Transfer $291: A=5418 → 5127, B=2782 → 3073 [TX010] Transfer $595: B=3073 → 2478, A=5127 → 5722 [TX011] Transfer $447: A=5722 → 5275, B=2478 → 2925 [TX012] Transfer $954: B=2925 → 1971, A=5275 → 6229 [TX013] Transfer $919: B=1971 → 1052, A=6229 → 7148 [TX014] Transfer $374: B=1052 → 678, A=7148 → 7522 [TX015] Transfer $198: A=7522 → 7324, B=678 → 876 [TX016] Transfer $52: B=876 → 824, A=7324 → 7376 [TX017] Transfer $400: A=7376 → 6976, B=824 → 1224 [TX018] Transfer $476: A=6976 → 6500, B=1224 → 1700 [TX019] Transfer $462: B=1700 → 1238, A=6500 → 6962 [TX020] Transfer $765: A=6962 → 6197, B=1238 → 2003 [TX021] Transfer $983: B=2003 → 1020, A=6197 → 7180 [TX022] Transfer $892: A=7180 → 6288, B=1020 → 1912 [TX023] Transfer $427: A=6288 → 5861, B=1912 → 2339 [TX024] Transfer $898: A=5861 → 4963, B=2339 → 3237 [TX025] Transfer $45: B=3237 → 3192, A=4963 → 5008 [TX026] Transfer $527: A=5008 → 4481, B=3192 → 3719 [TX027] Transfer $931: B=3719 → 2788, A=4481 → 5412 [TX028] Transfer $429: A=5412 → 4983, B=2788 → 3217 [TX029] Transfer $648: A=4983 → 4335, B=3217 → 3865 [TX030] Transfer $821: B=3865 → 3044, A=4335 → 5156 [TX031] Transfer $4: B=3044 → 3040, A=5156 → 5160 [TX032] Transfer $792: A=5160 → 4368, B=3040 → 3832 [TX033] Transfer $153: A=4368 → 4215, B=3832 → 3985 [TX034] Transfer $545: B=3985 → 3440, A=4215 → 4760 [TX035] Transfer $447: B=3440 → 2993, A=4760 → 5207 [TX036] Transfer $989: A=5207 → 4218, B=2993 → 3982 [TX037] Transfer $47: B=3982 → 3935, A=4218 → 4265 [TX038] Transfer $20: B=3935 → 3915, A=4265 → 4285 [TX039] Transfer $487: B=3915 → 3428, A=4285 → 4772 [TX040] Transfer $938: B=3428 → 2490, A=4772 → 5710 [TX041] Transfer $856: A=5710 → 4854, B=2490 → 3346 [TX042] Transfer $273: A=4854 → 4581, B=3346 → 3619 [TX043] Transfer $838: B=3619 → 2781, A=4581 → 5419 [TX044] Transfer $406: A=5419 → 5013, B=2781 → 3187 [TX045] Transfer $545: B=3187 → 2642, A=5013 → 5558 [TX046] Transfer $229: A=5558 → 5329, B=2642 → 2871 [TX047] Transfer $408: B=2871 → 2463, A=5329 → 5737 [TX048] Transfer $50: A=5737 → 5687, B=2463 → 2513 [TX049] Transfer $550: A=5687 → 5137, B=2513 → 3063 [TX050] Transfer $515: B=3063 → 2548, A=5137 → 5652 [TX051] Transfer $510: B=2548 → 2038, A=5652 → 6162 [TX052] Transfer $800: A=6162 → 5362, B=2038 → 2838 [TX053] Transfer $949: A=5362 → 4413, B=2838 → 3787 [TX054] Transfer $183: B=3787 → 3604, A=4413 → 4596 [TX055] Transfer $703: A=4596 → 3893, B=3604 → 4307 [TX056] Transfer $338: B=4307 → 3969, A=3893 → 4231 [TX057] Transfer $23: A=4231 → 4208, B=3969 → 3992 [TX058] Transfer $955: A=4208 → 3253, B=3992 → 4947 [TX059] Transfer $675: B=4947 → 4272, A=3253 → 3928 [TX060] Transfer $427: B=4272 → 3845, A=3928 → 4355 [TX061] Transfer $210: A=4355 → 4145, B=3845 → 4055 [TX062] Transfer $101: A=4145 → 4044, B=4055 → 4156 [TX063] Transfer $557: B=4156 → 3599, A=4044 → 4601 [TX064] Transfer $161: A=4601 → 4440, B=3599 → 3760 [TX065] Transfer $978: A=4440 → 3462, B=3760 → 4738 [TX066] Transfer $799: A=3462 → 2663, B=4738 → 5537 [TX067] Transfer $5541: B=5537 → -4, A=2663 → 8204 [TX068] Balance check: B=-4 [TX069] Transfer $525: A=8204 → 7679, B=-4 → 521 [TX070] Transfer $686: A=7679 → 6993, B=521 → 1207 [TX071] Transfer $366: B=1207 → 841, A=6993 → 7359 [TX072] Transfer $182: A=7359 → 7177, B=841 → 1023 [TX073] Transfer $560: B=1023 → 463, A=7177 → 7737 [TX074] Transfer $319: B=463 → 144, A=7737 → 8056 [TX075] Transfer $168: A=8056 → 7888, B=144 → 312 [TX076] Transfer $166: A=7888 → 7722, B=312 → 478 [TX077] Transfer $948: A=7722 → 6774, B=478 → 1426 [TX078] Transfer $350: B=1426 → 1076, A=6774 → 7124 [TX079] Transfer $108: B=1076 → 968, A=7124 → 7232 [TX080] Transfer $173: B=968 → 795, A=7232 → 7405 [TX081] Transfer $794: A=7405 → 6611, B=795 → 1589 [TX082] Transfer $856: A=6611 → 5755, B=1589 → 2445 [TX083] Transfer $398: B=2445 → 2047, A=5755 → 6153 [TX084] Transfer $205: B=2047 → 1842, A=6153 → 6358 [TX085] Transfer $465: A=6358 → 5893, B=1842 → 2307 [TX086] Transfer $586: A=5893 → 5307, B=2307 → 2893 [TX087] Transfer $682: B=2893 → 2211, A=5307 → 5989 [TX088] Transfer $427: B=2211 → 1784, A=5989 → 6416 [TX089] Transfer $884: A=6416 → 5532, B=1784 → 2668 [TX090] Transfer $139: B=2668 → 2529, A=5532 → 5671 [TX091] Transfer $609: A=5671 → 5062, B=2529 → 3138 [TX092] Transfer $508: A=5062 → 4554, B=3138 → 3646 [TX093] Transfer $641: B=3646 → 3005, A=4554 → 5195 [TX094] Transfer $253: A=5195 → 4942, B=3005 → 3258 [TX095] Transfer $302: B=3258 → 2956, A=4942 → 5244 [TX096] Transfer $58: A=5244 → 5186, B=2956 → 3014 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	NEGATIVE_BAL	TX067	Account balance goes negative	NEGATIVE_BAL	96	{"bug_type": "NEGATIVE_BAL", "bug_location": "TX067", "explanation": "Account balance goes negative"}	{"bug_type": "NEGATIVE_BAL", "n_ops": 96}
50	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $533: A=4000 → 3467, B=4200 → 4733 [TX002] Transfer $475: B=4733 → 4258, A=3467 → 3942 [TX003] Transfer $951: A=3942 → 2991, B=4258 → 5209 [TX004] Transfer $538: A=2991 → 2453, B=5209 → 5747 [TX005] Transfer $327: B=5747 → 5420, A=2453 → 2780 [TX006] Transfer $155: B=5420 → 5265, A=2780 → 2935 [TX007] Transfer $7: B=5265 → 5258, A=2935 → 2942 [TX008] Transfer $206: B=5258 → 5052, A=2942 → 3148 [TX009] Transfer $340: A=3148 → 2808, B=5052 → 5392 [TX010] Transfer $641: A=2808 → 2167, B=5392 → 6033 [TX011] Transfer $70: B=6033 → 5963, A=2167 → 2237 [TX012] Transfer $355: B=5963 → 5608, A=2237 → 2592 [TX013] Transfer $283: A=2592 → 2309, B=5608 → 5891 [TX014] Transfer $600: B=5891 → 5291, A=2309 → 2909 [TX015] Transfer $641: B=5291 → 4650, A=2909 → 3550 [TX016] Transfer $576: B=4650 → 4074, A=3550 → 4126 [TX017] Transfer $608: A=4126 → 3518, B=4074 → 4682 [TX018] Transfer $750: A=3518 → 2768, B=4682 → 5432 [TX019] Transfer $184: A=2768 → 2584, B=5432 → 5616 [TX020] Transfer $131: B=5616 → 5485, A=2584 → 2715 [TX021] Transfer $591: B=5485 → 4894, A=2715 → 3306 [TX022] Transfer $216: B=4894 → 4678, A=3306 → 3522 [TX023] Transfer $804: A=3522 → 2718, B=4678 → 5482 [TX024] Transfer $95: A=2718 → 2623, B=5482 → 5577 [TX025] Transfer $170: A=2623 → 2453, B=5577 → 5747 [TX026] Transfer $333: B=5747 → 5414, A=2453 → 2786 [TX027] Transfer $142: A=2786 → 2644, B=5414 → 5556 [TX028] Transfer $682: B=5556 → 4874, A=2644 → 3326 [TX029] Transfer $311: B=4874 → 4563, A=3326 → 3637 [TX030] Transfer $575: A=3637 → 3062, B=4563 → 5138 [TX031] Transfer $794: B=5138 → 4344, A=3062 → 3856 [TX032] Transfer $365: B=4344 → 3979, A=3856 → 4221 [TX033] Transfer $545: B=3979 → 3434, A=4221 → 4766 [TX034] Transfer $980: A=4766 → 3786, B=3434 → 4414 [TX035] Transfer $730: A=3786 → 3056, B=4414 → 5144 [TX036] Transfer $575: A=3056 → 2481, B=5144 → 5719 [TX037] Transfer $713: B=5719 → 5006, A=2481 → 3194 [TX038] Transfer $573: B=5006 → 4433, A=3194 → 3767 [TX039] Transfer $184: B=4433 → 4249, A=3767 → 3952 [TX040] Transfer $791: B=4249 → 3458, A=3951 → 4742 [TX041] Transfer $220: B=3458 → 3238, A=4742 → 4962 [TX042] Transfer $385: A=4962 → 4577, B=3238 → 3623 [TX043] Transfer $202: A=4577 → 4375, B=3623 → 3825 [TX044] Transfer $540: B=3825 → 3285, A=4375 → 4915 [TX045] Transfer $602: A=4915 → 4313, B=3285 → 3887 [TX046] Transfer $98: B=3887 → 3789, A=4313 → 4411 [TX047] Transfer $516: B=3789 → 3273, A=4411 → 4927 [TX048] Transfer $36: A=4927 → 4891, B=3273 → 3309 [TX049] Transfer $409: B=3309 → 2900, A=4891 → 5300 [TX050] Transfer $282: A=5300 → 5018, B=2900 → 3182 [TX051] Transfer $885: A=5018 → 4133, B=3182 → 4067 [TX052] Transfer $504: B=4067 → 3563, A=4133 → 4637 [TX053] Transfer $769: A=4637 → 3868, B=3563 → 4332 [TX054] Transfer $380: A=3868 → 3488, B=4332 → 4712 [TX055] Transfer $724: A=3488 → 2764, B=4712 → 5436 [TX056] Transfer $86: A=2764 → 2678, B=5436 → 5522 [TX057] Transfer $59: B=5522 → 5463, A=2678 → 2737 [TX058] Transfer $323: B=5463 → 5140, A=2737 → 3060 [TX059] Transfer $875: A=3060 → 2185, B=5140 → 6015 [TX060] Transfer $342: A=2185 → 1843, B=6015 → 6357 [TX061] Transfer $929: B=6357 → 5428, A=1843 → 2772 [TX062] Transfer $965: B=5428 → 4463, A=2772 → 3737 [TX063] Transfer $859: B=4463 → 3604, A=3737 → 4596 [TX064] Transfer $199: A=4596 → 4397, B=3604 → 3803 [TX065] Transfer $87: A=4397 → 4310, B=3803 → 3890 [TX066] Transfer $47: A=4310 → 4263, B=3890 → 3937 [TX067] Transfer $707: B=3937 → 3230, A=4263 → 4970 [TX068] Transfer $652: B=3230 → 2578, A=4970 → 5622 [TX069] Transfer $282: A=5622 → 5340, B=2578 → 2860 [TX070] Transfer $351: B=2860 → 2509, A=5340 → 5691 [TX071] Transfer $581: B=2509 → 1928, A=5691 → 6272 [TX072] Transfer $121: B=1928 → 1807, A=6272 → 6393 [TX073] Transfer $749: A=6393 → 5644, B=1807 → 2556 [TX074] Transfer $327: A=5644 → 5317, B=2556 → 2883 [TX075] Transfer $809: A=5317 → 4508, B=2883 → 3692 [TX076] Transfer $655: A=4508 → 3853, B=3692 → 4347 [TX077] Transfer $85: B=4347 → 4262, A=3853 → 3938 [TX078] Transfer $859: A=3938 → 3079, B=4262 → 5121 [TX079] Transfer $319: A=3079 → 2760, B=5121 → 5440 [TX080] Transfer $724: A=2760 → 2036, B=5440 → 6164 [TX081] Transfer $287: B=6164 → 5877, A=2036 → 2323 [TX082] Transfer $425: A=2323 → 1898, B=5877 → 6302 [TX083] Transfer $281: A=1898 → 1617, B=6302 → 6583 [TX084] Transfer $304: A=1617 → 1313, B=6583 → 6887 [TX085] Transfer $272: B=6887 → 6615, A=1313 → 1585 [TX086] Transfer $365: A=1585 → 1220, B=6615 → 6980 [TX087] Transfer $792: B=6980 → 6188, A=1220 → 2012 [TX088] Transfer $39: B=6188 → 6149, A=2012 → 2051 [TX089] Transfer $552: B=6149 → 5597, A=2051 → 2603 [TX090] Transfer $357: A=2603 → 2246, B=5597 → 5954 [TX091] Transfer $352: B=5954 → 5602, A=2246 → 2598 [TX092] Transfer $527: B=5602 → 5075, A=2598 → 3125 [TX093] Transfer $225: A=3125 → 2900, B=5075 → 5300 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	CALC_ERROR	TX039	Mathematical calculation is incorrect	CALC_ERROR	93	{"bug_type": "CALC_ERROR", "bug_location": "TX039", "explanation": "Mathematical calculation is incorrect"}	{"bug_type": "CALC_ERROR", "n_ops": 93}
1	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $101: A=4000 → 3899, B=4200 → 4301 [TX002] Transfer $435: B=4301 → 3866, A=3899 → 4334 [TX003] Transfer $886: B=3866 → 2980, A=4334 → 5220 [TX004] Transfer $64: A=5220 → 5156, B=2980 → 3044 [TX005] Transfer $821: B=3044 → 2223, A=5156 → 5977 [TX006] Transfer $198: A=5977 → 5779, B=2223 → 2421 [TX007] Transfer $145: A=5779 → 5634, B=2421 → 2566 [TX008] Transfer $287: B=2566 → 2279, A=5634 → 5921 [TX009] Transfer $897: B=2279 → 1382, A=5921 → 6818 [TX010] Transfer $829: A=6818 → 5989, B=1382 → 2211 [TX011] Transfer $669: A=5989 → 5320, B=2211 → 2880 [TX012] Transfer $950: A=5320 → 4370, B=2880 → 3830 [TX013] Transfer $418: A=4370 → 3952, B=3830 → 4248 [TX014] Transfer $220: B=4248 → 4028, A=3952 → 4172 [TX015] Transfer $170: B=4028 → 3858, A=4172 → 4342 [TX016] Transfer $401: B=3858 → 3457, A=4342 → 4743 [TX017] Transfer $294: B=3457 → 3163, A=4743 → 5037 [TX018] Transfer $160: B=3163 → 3003, A=5037 → 5197 [TX019] Transfer $224: A=5197 → 4973, B=3003 → 3227 [TX020] Transfer $767: A=4973 → 4206, B=3227 → 3994 [TX021] Transfer $53: B=3994 → 3941, A=4206 → 4259 [TX022] Transfer $60: B=3941 → 3881, A=4259 → 4319 [TX023] Transfer $72: A=4319 → 4247, B=3881 → 3953 [TX024] Transfer $415: A=4247 → 3832, B=3953 → 4368 [TX025] Transfer $594: A=3832 → 3238, B=4368 → 4962 [TX026] Transfer $431: A=3238 → 2807, B=4962 → 5393 [TX027] Transfer $211: B=5393 → 5182, A=2807 → 3018 [TX028] Transfer $273: B=5182 → 4909, A=3018 → 3291 [TX029] Transfer $689: B=4909 → 4220, A=3291 → 3980 [TX030] Transfer $325: B=4220 → 3895, A=3980 → 4305 [TX031] Transfer $471: A=4305 → 3834, B=3895 → 4366 [TX032] Transfer $552: A=3834 → 3282, B=4366 → 4918 [TX033] Transfer $137: A=3282 → 3145, B=4918 → 5055 [TX034] Transfer $902: B=5055 → 4153, A=3145 → 4047 [TX035] Transfer $293: A=4047 → 3754, B=4153 → 4446 [TX036] Transfer $855: A=3754 → 2899, B=4446 → 5301 [TX037] Transfer $685: B=5301 → 4616, A=2899 → 3584 [TX038] Transfer $963: B=4616 → 3653, A=3584 → 4547 [TX039] Transfer $120: A=4547 → 4427, B=3653 → 3773 [TX040] Transfer $280: A=4427 → 4147, B=3773 → 4053 [TX041] Transfer $736: B=4053 → 3317, A=4147 → 4883 [TX042] Transfer $705: B=3317 → 2612, A=4883 → 5588 [TX043] Transfer $259: B=2612 → 2353, A=5588 → 5847 [TX044] Transfer $651: A=5847 → 5196, B=2353 → 3004 [TX045] Transfer $47: B=3004 → 2957, A=5196 → 5243 [TX046] Transfer $791: A=5243 → 4452, B=2957 → 3748 [TX047] Transfer $167: A=4452 → 4285, B=3748 → 3915 [TX048] Transfer $576: B=3915 → 3339, A=4285 → 4861 [TX049] Transfer $79: A=4861 → 4782, B=3339 → 3418 [TX050] Transfer $856: A=4782 → 3926, B=3418 → 4274 [TX051] Transfer $442: B=4274 → 3832, A=3926 → 4368 [TX052] Transfer $317: A=4368 → 4051, B=3832 → 4149 [TX053] Transfer $922: B=4149 → 3227, A=4051 → 4973 [TX054] Transfer $3235: B=3227 → -8, A=4973 → 8208 [TX055] Transfer $800: A=8208 → 7408, B=-8 → 792 [TX056] Transfer $244: B=792 → 548, A=7408 → 7652 [TX057] Transfer $904: A=7652 → 6748, B=548 → 1452 [TX058] Transfer $185: B=1452 → 1267, A=6748 → 6933 [TX059] Transfer $823: B=1267 → 444, A=6933 → 7756 [TX060] Transfer $165: A=7756 → 7591, B=444 → 609 [TX061] Transfer $895: A=7591 → 6696, B=609 → 1504 [TX062] Transfer $229: A=6696 → 6467, B=1504 → 1733 [TX063] Transfer $360: A=6467 → 6107, B=1733 → 2093 [TX064] Transfer $230: B=2093 → 1863, A=6107 → 6337 [TX065] Transfer $410: A=6337 → 5927, B=1863 → 2273 [TX066] Transfer $887: B=2273 → 1386, A=5927 → 6814 [TX067] Transfer $361: A=6814 → 6453, B=1386 → 1747 [TX068] Transfer $963: B=1747 → 784, A=6453 → 7416 [TX069] Transfer $900: A=7416 → 6516, B=784 → 1684 [TX070] Transfer $596: B=1684 → 1088, A=6516 → 7112 [TX071] Transfer $113: B=1088 → 975, A=7112 → 7225 [TX072] Transfer $748: B=975 → 227, A=7225 → 7973 [TX073] Transfer $79: B=227 → 148, A=7973 → 8052 [TX074] Transfer $923: A=8052 → 7129, B=148 → 1071 [TX075] Transfer $47: A=7129 → 7082, B=1071 → 1118 [TX076] Transfer $534: B=1118 → 584, A=7082 → 7616 [TX077] Transfer $443: A=7616 → 7173, B=584 → 1027 [TX078] Transfer $640: A=7173 → 6533, B=1027 → 1667 [TX079] Transfer $739: B=1667 → 928, A=6533 → 7272 [TX080] Transfer $684: B=928 → 244, A=7272 → 7956 [TX081] Transfer $105: B=244 → 139, A=7956 → 8061 [TX082] Transfer $14: B=139 → 125, A=8061 → 8075 [TX083] Transfer $23: B=125 → 102, A=8075 → 8098 [TX084] Transfer $417: A=8098 → 7681, B=102 → 519 [TX085] Transfer $295: A=7681 → 7386, B=519 → 814 [TX086] Transfer $806: A=7386 → 6580, B=814 → 1620 [TX087] Transfer $454: B=1620 → 1166, A=6580 → 7034 [TX088] Transfer $525: B=1166 → 641, A=7034 → 7559 [TX089] Transfer $88: B=641 → 553, A=7559 → 7647 [TX090] Transfer $49: B=553 → 504, A=7647 → 7696 [TX091] Transfer $232: A=7696 → 7464, B=504 → 736 [TX092] Transfer $27: A=7464 → 7437, B=736 → 763 [TX093] Transfer $488: A=7437 → 6949, B=763 → 1251 [TX094] Transfer $426: A=6949 → 6523, B=1251 → 1677 [TX095] Transfer $508: A=6523 → 6015, B=1677 → 2185 [TX096] Transfer $153: B=2185 → 2032, A=6015 → 6168 [TX097] Transfer $799: A=6168 → 5369, B=2032 → 2831 [TX098] Transfer $182: B=2831 → 2649, A=5369 → 5551 [TX099] Transfer $572: B=2649 → 2077, A=5551 → 6123 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	NEGATIVE_BAL	TX054	Account balance goes negative	NEGATIVE_BAL	99	{"bug_type": "NEGATIVE_BAL", "bug_location": "TX054", "explanation": "Account balance goes negative"}	{"bug_type": "NEGATIVE_BAL", "n_ops": 99}
70	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $615: B=4200 → 3585, A=4000 → 4615 [TX002] Transfer $168: B=3585 → 3417, A=4615 → 4783 [TX003] Transfer $908: A=4783 → 3875, B=3417 → 4325 [TX004] Transfer $783: A=3875 → 3092, B=4325 → 5108 [TX005] Transfer $612: B=5108 → 4496, A=3092 → 3704 [TX006] Transfer $21: A=3704 → 3683, B=4496 → 4517 [TX007] Transfer $744: A=3683 → 2939, B=4517 → 5261 [TX008] Transfer $947: B=5261 → 4314, A=2939 → 3886 [TX009] Transfer $580: A=3886 → 3306, B=4314 → 4894 [TX010] Transfer $25: A=3306 → 3281, B=4894 → 4919 [TX011] Transfer $70: B=4919 → 4849, A=3281 → 3351 [TX012] Transfer $209: A=3351 → 3142, B=4849 → 5058 [TX013] Transfer $93: B=5058 → 4965, A=3142 → 3235 [TX014] Transfer $368: A=3235 → 2867, B=4965 → 5333 [TX015] Transfer $355: A=2867 → 2512, B=5333 → 5688 [TX016] Transfer $480: B=5688 → 5208, A=2512 → 2992 [TX017] Transfer $12: A=2992 → 2980, B=5208 → 5220 [TX018] Transfer $696: A=2980 → 2284, B=5220 → 5916 [TX019] Transfer $619: A=2284 → 1665, B=5916 → 6535 [TX020] Transfer $390: A=1665 → 1275, B=6535 → 6925 [TX021] Transfer $770: A=1275 → 505, B=6925 → 7695 [TX022] Transfer $846: B=7695 → 6849, A=505 → 1351 [TX023] Transfer $480: B=6849 → 6369, A=1351 → 1831 [TX024] Transfer $387: B=6369 → 5982, A=1831 → 2218 [TX025] Transfer $225: A=2218 → 1993, B=5982 → 6207 [TX026] Transfer $914: B=6207 → 5293, A=1993 → 2907 [TX027] Transfer $272: B=5293 → 5021, A=2907 → 3179 [TX028] Transfer $887: A=3179 → 2292, B=5021 → 5908 [TX029] Transfer $146: B=5908 → 5762, A=2292 → 2438 [TX030] Transfer $524: B=5762 → 5238, A=2438 → 2962 [TX031] Transfer $443: A=2962 → 2519, B=5238 → 5681 [TX032] Transfer $56: B=5681 → 5625, A=2519 → 2575 [TX033] Transfer $211: A=2575 → 2364, B=5625 → 5836 [TX034] Transfer $409: B=5836 → 5427, A=2364 → 2773 [TX035] Transfer $951: B=5427 → 4476, A=2773 → 3724 [TX036] Transfer $760: A=3724 → 2964, B=4476 → 5236 [TX037] Transfer $939: B=5236 → 4297, A=2964 → 3903 [TX038] Transfer $16: A=3903 → 3887, B=4297 → 4313 [TX039] Transfer $901: A=3887 → 2986, B=4313 → 5214 [TX040] Transfer $106: B=5214 → 5108, A=2986 → 3092 [TX041] Transfer $533: A=3092 → 2559, B=5108 → 5641 [TX042] Transfer $588: B=5641 → 5053, A=2559 → 3147 [TX043] Transfer $805: B=5053 → 4248, A=3147 → 3952 [TX044] Transfer $778: B=4248 → 3470, A=3952 → 4730 [TX045] Transfer $897: B=3470 → 2573, A=4730 → 5627 [TX046] Transfer $870: A=5627 → 4757, B=2573 → 3443 [TX047] Transfer $420: A=4757 → 4337, B=3443 → 3863 [TX048] Transfer $236: A=4337 → 4101, B=3863 → 4099 [TX049] Transfer $506: B=4099 → 3593, A=4101 → 4607 [TX050] Transfer $699: B=3593 → 2894, A=4607 → 5306 [TX051] Transfer $491: A=5306 → 4815, B=2894 → 3385 [TX052] Transfer $883: A=4815 → 3932, B=3385 → 4268 [TX053] Transfer $923: B=4268 → 3345, A=3932 → 4855 [TX054] Transfer $882: B=3345 → 2463, A=4855 → 5737 [TX055] Transfer $784: A=5737 → 4953, B=2463 → 3247 [TX056] Transfer $555: A=4953 → 4398, B=3247 → 3802 [TX057] Transfer $676: A=4398 → 3722, B=3802 → 4478 [TX058] Transfer $231: A=3722 → 3491, B=4478 → 4709 [TX059] Transfer $692: B=4709 → 4017, A=3491 → 4183 [TX060] Transfer $404: A=4183 → 3779, B=4017 → 4421 [TX061] Transfer $797: B=4421 → 3624, A=3779 → 4576 [TX062] Transfer $961: B=3624 → 2663, A=4576 → 5537 [TX063] Transfer $416: A=5537 → 5121, B=2663 → 3079 [TX064] Transfer $537: A=5121 → 4584, B=3079 → 3616 [TX065] Transfer $4603: A=4584 → -19, B=3616 → 8219 [TX066] Balance check: A=-19 [TX067] Transfer $775: B=8219 → 7444, A=-19 → 756 [TX068] Transfer $242: A=756 → 514, B=7444 → 7686 [TX069] Transfer $804: B=7686 → 6882, A=514 → 1318 [TX070] Transfer $131: A=1318 → 1187, B=6882 → 7013 [TX071] Transfer $819: A=1187 → 368, B=7013 → 7832 [TX072] Transfer $223: A=368 → 145, B=7832 → 8055 [TX073] Transfer $665: B=8055 → 7390, A=145 → 810 [TX074] Transfer $622: A=810 → 188, B=7390 → 8012 [TX075] Transfer $664: B=8012 → 7348, A=188 → 852 [TX076] Transfer $357: A=852 → 495, B=7348 → 7705 [TX077] Transfer $987: B=7705 → 6718, A=495 → 1482 [TX078] Transfer $95: A=1482 → 1387, B=6718 → 6813 [TX079] Transfer $242: B=6813 → 6571, A=1387 → 1629 [TX080] Transfer $401: B=6571 → 6170, A=1629 → 2030 [TX081] Transfer $554: B=6170 → 5616, A=2030 → 2584 [TX082] Transfer $958: A=2584 → 1626, B=5616 → 6574 [TX083] Transfer $391: B=6574 → 6183, A=1626 → 2017 [TX084] Transfer $738: A=2017 → 1279, B=6183 → 6921 [TX085] Transfer $627: B=6921 → 6294, A=1279 → 1906 [TX086] Transfer $556: B=6294 → 5738, A=1906 → 2462 [TX087] Transfer $519: A=2462 → 1943, B=5738 → 6257 [TX088] Transfer $859: B=6257 → 5398, A=1943 → 2802 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	NEGATIVE_BAL	TX065	Account balance goes negative	NEGATIVE_BAL	88	{"bug_type": "NEGATIVE_BAL", "bug_location": "TX065", "explanation": "Account balance goes negative"}	{"bug_type": "NEGATIVE_BAL", "n_ops": 88}
15	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $748: B=4200 → 3452, A=4000 → 4748 [TX002] Transfer $194: B=3452 → 3258, A=4748 → 4942 [TX003] Transfer $937: B=3258 → 2321, A=4942 → 5879 [TX004] Transfer $779: B=2321 → 1542, A=5879 → 6658 [TX005] Transfer $529: B=1542 → 1013, A=6658 → 7187 [TX006] Transfer $320: A=7187 → 6867, B=1013 → 1333 [TX007] Transfer $801: B=1333 → 532, A=6867 → 7668 [TX008] Transfer $199: A=7668 → 7469, B=532 → 731 [TX009] Transfer $257: A=7469 → 7212, B=731 → 988 [TX010] Transfer $53: A=7212 → 7159, B=988 → 1041 [TX011] Transfer $282: B=1041 → 759, A=7159 → 7441 [TX012] Transfer $519: B=759 → 240, A=7441 → 7960 [TX013] Transfer $9: B=240 → 231, A=7960 → 7969 [TX014] Transfer $502: A=7969 → 7467, B=231 → 733 [TX015] Transfer $487: B=733 → 246, A=7467 → 7954 [TX016] Transfer $43: B=246 → 203, A=7954 → 7997 [TX017] Transfer $38: B=203 → 165, A=7997 → 8035 [TX018] Transfer $52: A=8035 → 7983, B=165 → 217 [TX019] Transfer $879: A=7983 → 7104, B=217 → 1096 [TX020] Transfer $695: A=7104 → 6409, B=1096 → 1791 [TX021] Transfer $669: A=6409 → 5740, B=1791 → 2460 [TX022] Transfer $887: B=2460 → 1573, A=5740 → 6627 [TX023] Transfer $935: A=6627 → 5692, B=1573 → 2508 [TX024] Transfer $617: A=5692 → 5075, B=2508 → 3125 [TX025] Transfer $260: A=5075 → 4815, B=3125 → 3385 [TX026] Transfer $435: B=3385 → 2950, A=4815 → 5250 [TX027] Transfer $472: B=2950 → 2478, A=5250 → 5722 [TX028] Transfer $479: B=2478 → 1999, A=5722 → 6201 [TX029] Transfer $600: B=1999 → 1399, A=6201 → 6801 [TX030] Transfer $525: A=6801 → 6276, B=1399 → 1924 [TX031] Transfer $307: B=1924 → 1617, A=6276 → 6583 [TX032] Transfer $67: A=6583 → 6516, B=1617 → 1684 [TX033] Transfer $657: B=1684 → 1027, A=6516 → 7173 [TX034] Transfer $269: B=1027 → 758, A=7173 → 7442 [TX035] Transfer $155: B=758 → 603, A=7442 → 7597 [TX036] Transfer $826: A=7597 → 6771, B=603 → 1429 [TX037] Transfer $699: B=1429 → 730, A=6771 → 7470 [TX038] Transfer $673: A=7470 → 6797, B=730 → 1403 [TX039] Transfer $267: B=1403 → 1136, A=6797 → 7064 [TX040] Transfer $399: B=1136 → 737, A=7064 → 7463 [TX041] Transfer $353: A=7463 → 7110, B=737 → 1090 [TX042] Transfer $930: A=7110 → 6180, B=1090 → 2020 [TX043] Transfer $867: B=2020 → 1153, A=6180 → 7047 [TX044] Transfer $302: A=7047 → 6745, B=1153 → 1455 [TX045] Transfer $133: A=6745 → 6612, B=1455 → 1588 [TX046] Transfer $971: B=1588 → 617, A=6612 → 7583 [TX047] Transfer $229: B=617 → 388, A=7583 → 7812 [TX048] Transfer $159: B=388 → 229, A=7812 → 7971 [TX049] Transfer $97: B=229 → 132, A=7971 → 8068 [TX050] Transfer $16: B=132 → 116, A=8068 → 8084 [TX051] Transfer $56: A=8084 → 8028, B=116 → 172 [TX052] Transfer $912: A=8028 → 7116, B=172 → 1084 [TX053] Transfer $890: A=7116 → 6226, B=1084 → 1974 [TX054] Transfer $425: B=1974 → 1549, A=6226 → 6651 [TX055] Transfer $142: A=6651 → 6509, B=1549 → 1691 [TX056] Transfer $421: A=6509 → 6088, B=1691 → 2112 [TX057] Transfer $325: B=2112 → 1787, A=6088 → 6413 [TX058] Transfer $6429: A=6413 → -16, B=1787 → 8216 [TX059] Transfer $322: B=8216 → 7894, A=-16 → 306 [TX060] Transfer $117: A=306 → 189, B=7894 → 8011 [TX061] Transfer $781: B=8011 → 7230, A=189 → 970 [TX062] Transfer $503: A=970 → 467, B=7230 → 7733 [TX063] Transfer $316: A=467 → 151, B=7733 → 8049 [TX064] Transfer $415: B=8049 → 7634, A=151 → 566 [TX065] Transfer $394: B=7634 → 7240, A=566 → 960 [TX066] Transfer $548: A=960 → 412, B=7240 → 7788 [TX067] Transfer $9: A=412 → 403, B=7788 → 7797 [TX068] Transfer $20: B=7797 → 7777, A=403 → 423 [TX069] Transfer $117: A=423 → 306, B=7777 → 7894 [TX070] Transfer $134: B=7894 → 7760, A=306 → 440 [TX071] Transfer $259: A=440 → 181, B=7760 → 8019 [TX072] Transfer $68: B=8019 → 7951, A=181 → 249 [TX073] Transfer $76: A=249 → 173, B=7951 → 8027 [TX074] Transfer $446: B=8027 → 7581, A=173 → 619 [TX075] Transfer $503: A=619 → 116, B=7581 → 8084 [TX076] Transfer $170: B=8084 → 7914, A=116 → 286 [TX077] Transfer $235: B=7914 → 7679, A=286 → 521 [TX078] Transfer $110: A=521 → 411, B=7679 → 7789 [TX079] Transfer $65: A=411 → 346, B=7789 → 7854 [TX080] Transfer $386: B=7854 → 7468, A=346 → 732 [TX081] Transfer $610: B=7468 → 6858, A=732 → 1342 [TX082] Transfer $671: A=1342 → 671, B=6858 → 7529 [TX083] Transfer $120: A=671 → 551, B=7529 → 7649 [TX084] Transfer $391: B=7649 → 7258, A=551 → 942 [TX085] Transfer $487: A=942 → 455, B=7258 → 7745 [TX086] Transfer $353: A=455 → 102, B=7745 → 8098 [TX087] Transfer $2: A=102 → 100, B=8098 → 8100 [TX088] Balance check: A=100 [TX089] Balance check: A=100 [TX090] Balance check: A=100 [TX091] Transfer $805: B=8100 → 7295, A=100 → 905 [TX092] Transfer $205: A=905 → 700, B=7295 → 7500 [TX093] Transfer $537: A=700 → 163, B=7500 → 8037 [TX094] Transfer $47: A=163 → 116, B=8037 → 8084 [TX095] Transfer $166: B=8084 → 7918, A=116 → 282 [TX096] Transfer $55: A=282 → 227, B=7918 → 7973 [TX097] Transfer $242: B=7973 → 7731, A=227 → 469 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	NEGATIVE_BAL	TX058	Account balance goes negative	NEGATIVE_BAL	97	{"bug_type": "NEGATIVE_BAL", "bug_location": "TX058", "explanation": "Account balance goes negative"}	{"bug_type": "NEGATIVE_BAL", "n_ops": 97}
78	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $404: B=4200 → 3796, A=4000 → 4404 [TX002] Transfer $636: B=3796 → 3160, A=4404 → 5040 [TX003] Transfer $83: B=3160 → 3077, A=5040 → 5123 [TX004] Transfer $165: B=3077 → 2912, A=5123 → 5288 [TX005] Transfer $748: A=5288 → 4540, B=2912 → 3660 [TX006] Transfer $555: A=4540 → 3985, B=3660 → 4215 [TX007] Transfer $111: B=4215 → 4104, A=3985 → 4096 [TX008] Transfer $646: A=4096 → 3450, B=4104 → 4750 [TX009] Transfer $684: B=4750 → 4066, A=3450 → 4134 [TX010] Transfer $104: A=4134 → 4030, B=4066 → 4170 [TX011] Transfer $475: A=4030 → 3555, B=4170 → 4645 [TX012] Transfer $617: B=4645 → 4028, A=3555 → 4172 [TX013] Transfer $338: A=4172 → 3834, B=4028 → 4366 [TX014] Transfer $700: B=4366 → 3666, A=3834 → 4534 [TX015] Transfer $705: B=3666 → 2961, A=4534 → 5239 [TX016] Transfer $651: A=5239 → 4588, B=2961 → 3612 [TX017] Transfer $736: A=4588 → 3852, B=3612 → 4348 [TX018] Transfer $324: B=4348 → 4024, A=3852 → 4176 [TX019] Transfer $700: B=4024 → 3324, A=4176 → 4876 [TX020] Transfer $916: A=4876 → 3960, B=3324 → 4240 [TX021] Transfer $188: A=3960 → 3772, B=4240 → 4428 [TX022] Transfer $805: B=4428 → 3623, A=3772 → 4577 [TX023] Transfer $12: B=3623 → 3611, A=4577 → 4589 [TX024] Transfer $779: A=4589 → 3810, B=3611 → 4390 [TX025] Transfer $329: A=3810 → 3481, B=4390 → 4719 [TX026] Transfer $221: A=3481 → 3260, B=4719 → 4940 [TX027] Transfer $991: A=3260 → 2269, B=4940 → 5931 [TX028] Transfer $650: B=5931 → 5281, A=2269 → 2919 [TX029] Transfer $450: B=5281 → 4831, A=2919 → 3369 [TX030] Transfer $980: B=4831 → 3851, A=3369 → 4349 [TX031] Transfer $785: B=3851 → 3066, A=4349 → 5134 [TX032] Transfer $866: B=3066 → 2200, A=5134 → 6000 [TX033] Transfer $611: A=6000 → 5389, B=2200 → 2811 [TX034] Transfer $727: A=5389 → 4662, B=2811 → 3538 [TX035] Transfer $937: B=3538 → 2601, A=4662 → 5599 [TX036] Transfer $51: A=5599 → 5548, B=2601 → 2652 [TX037] Transfer $296: A=5548 → 5252, B=2652 → 2948 [TX038] Transfer $793: A=5252 → 4459, B=2948 → 3741 [TX039] Transfer $708: A=4459 → 3751, B=3741 → 4449 [TX040] Transfer $286: A=3751 → 3465, B=4449 → 4735 [TX041] Transfer $962: B=4735 → 3773, A=3465 → 4427 [TX042] Transfer $440: A=4427 → 3987, B=3773 → 4213 [TX043] Transfer $67: A=3987 → 3920, B=4213 → 4280 [TX044] Transfer $643: A=3920 → 3277, B=4280 → 4923 [TX045] Transfer $671: A=3277 → 2606, B=4923 → 5594 [TX046] Transfer $984: B=5594 → 4610, A=2606 → 3590 [TX047] Transfer $780: B=4610 → 3830, A=3590 → 4370 [TX048] Transfer $704: A=4370 → 3666, B=3830 → 4534 [TX049] Transfer $48: B=4534 → 4486, A=3666 → 3714 [TX050] Transfer $74: B=4486 → 4412, A=3714 → 3788 [TX051] Transfer $419: A=3788 → 3369, B=4412 → 4831 [TX052] Transfer $661: B=4831 → 4170, A=3369 → 4030 [TX053] Transfer $586: A=4030 → 3444, B=4170 → 4756 [TX054] Transfer $77: B=4756 → 4679, A=3444 → 3521 [TX055] Transfer $490: B=4679 → 4189, A=3521 → 4011 [TX056] Transfer $798: B=4189 → 3391, A=4011 → 4809 [TX057] Transfer $514: A=4809 → 4295, B=3391 → 3905 [TX058] Transfer $735: B=3905 → 3170, A=4295 → 5029 [TX059] Transfer $316: A=5030 → 4714, B=3170 → 3486 [TX060] Transfer $23: B=3486 → 3463, A=4714 → 4737 [TX061] Transfer $504: A=4737 → 4233, B=3463 → 3967 [TX062] Transfer $778: B=3967 → 3189, A=4233 → 5011 [TX063] Transfer $337: A=5011 → 4674, B=3189 → 3526 [TX064] Transfer $166: A=4674 → 4508, B=3526 → 3692 [TX065] Transfer $76: B=3692 → 3616, A=4508 → 4584 [TX066] Transfer $390: B=3616 → 3226, A=4584 → 4974 [TX067] Transfer $135: B=3226 → 3091, A=4974 → 5109 [TX068] Transfer $294: B=3091 → 2797, A=5109 → 5403 [TX069] Transfer $552: A=5403 → 4851, B=2797 → 3349 [TX070] Transfer $598: B=3349 → 2751, A=4851 → 5449 [TX071] Transfer $679: A=5449 → 4770, B=2751 → 3430 [TX072] Transfer $810: A=4770 → 3960, B=3430 → 4240 [TX073] Transfer $340: A=3960 → 3620, B=4240 → 4580 [TX074] Transfer $17: A=3620 → 3603, B=4580 → 4597 [TX075] Transfer $660: A=3603 → 2943, B=4597 → 5257 [TX076] Transfer $366: B=5257 → 4891, A=2943 → 3309 [TX077] Transfer $654: A=3309 → 2655, B=4891 → 5545 [TX078] Transfer $250: B=5545 → 5295, A=2655 → 2905 [TX079] Transfer $909: A=2905 → 1996, B=5295 → 6204 [TX080] Transfer $395: A=1996 → 1601, B=6204 → 6599 [TX081] Transfer $227: B=6599 → 6372, A=1601 → 1828 [TX082] Transfer $290: A=1828 → 1538, B=6372 → 6662 [TX083] Transfer $344: B=6662 → 6318, A=1538 → 1882 [TX084] Transfer $879: B=6318 → 5439, A=1882 → 2761 [TX085] Transfer $177: A=2761 → 2584, B=5439 → 5616 [TX086] Transfer $173: B=5616 → 5443, A=2584 → 2757 [TX087] Transfer $238: B=5443 → 5205, A=2757 → 2995 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	CALC_ERROR	TX058	Mathematical calculation is incorrect	CALC_ERROR	87	{"bug_type": "CALC_ERROR", "bug_location": "TX058", "explanation": "Mathematical calculation is incorrect"}	{"bug_type": "CALC_ERROR", "n_ops": 87}
73	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $668: A=4000 → 3332, B=4200 → 4868 [TX002] Transfer $155: B=4868 → 4713, A=3332 → 3487 [TX003] Transfer $104: B=4713 → 4609, A=3487 → 3592 [TX004] Transfer $810: B=4609 → 3799, A=3591 → 4401 [TX005] Transfer $946: B=3799 → 2853, A=4401 → 5347 [TX006] Transfer $592: B=2853 → 2261, A=5347 → 5939 [TX007] Transfer $155: B=2261 → 2106, A=5939 → 6094 [TX008] Transfer $133: B=2106 → 1973, A=6094 → 6227 [TX009] Transfer $719: A=6227 → 5508, B=1973 → 2692 [TX010] Transfer $740: B=2692 → 1952, A=5508 → 6248 [TX011] Transfer $831: B=1952 → 1121, A=6248 → 7079 [TX012] Transfer $734: A=7079 → 6345, B=1121 → 1855 [TX013] Transfer $799: B=1855 → 1056, A=6345 → 7144 [TX014] Transfer $796: B=1056 → 260, A=7144 → 7940 [TX015] Transfer $994: A=7940 → 6946, B=260 → 1254 [TX016] Transfer $147: B=1254 → 1107, A=6946 → 7093 [TX017] Transfer $436: B=1107 → 671, A=7093 → 7529 [TX018] Transfer $554: B=671 → 117, A=7529 → 8083 [TX019] Transfer $11: B=117 → 106, A=8083 → 8094 [TX020] Transfer $868: A=8094 → 7226, B=106 → 974 [TX021] Transfer $966: A=7226 → 6260, B=974 → 1940 [TX022] Transfer $28: A=6260 → 6232, B=1940 → 1968 [TX023] Transfer $954: A=6232 → 5278, B=1968 → 2922 [TX024] Transfer $128: A=5278 → 5150, B=2922 → 3050 [TX025] Transfer $492: B=3050 → 2558, A=5150 → 5642 [TX026] Transfer $286: A=5642 → 5356, B=2558 → 2844 [TX027] Transfer $615: A=5356 → 4741, B=2844 → 3459 [TX028] Transfer $738: A=4741 → 4003, B=3459 → 4197 [TX029] Transfer $438: A=4003 → 3565, B=4197 → 4635 [TX030] Transfer $235: A=3565 → 3330, B=4635 → 4870 [TX031] Transfer $882: A=3330 → 2448, B=4870 → 5752 [TX032] Transfer $352: B=5752 → 5400, A=2448 → 2800 [TX033] Transfer $977: B=5400 → 4423, A=2800 → 3777 [TX034] Transfer $229: A=3777 → 3548, B=4423 → 4652 [TX035] Transfer $257: B=4652 → 4395, A=3548 → 3805 [TX036] Transfer $19: A=3805 → 3786, B=4395 → 4414 [TX037] Transfer $981: B=4414 → 3433, A=3786 → 4767 [TX038] Transfer $379: B=3433 → 3054, A=4767 → 5146 [TX039] Transfer $639: B=3054 → 2415, A=5146 → 5785 [TX040] Transfer $455: A=5785 → 5330, B=2415 → 2870 [TX041] Transfer $293: B=2870 → 2577, A=5330 → 5623 [TX042] Transfer $970: B=2577 → 1607, A=5623 → 6593 [TX043] Transfer $493: A=6593 → 6100, B=1607 → 2100 [TX044] Transfer $858: A=6100 → 5242, B=2100 → 2958 [TX045] Transfer $446: B=2958 → 2512, A=5242 → 5688 [TX046] Transfer $47: A=5688 → 5641, B=2512 → 2559 [TX047] Transfer $818: A=5641 → 4823, B=2559 → 3377 [TX048] Transfer $214: A=4823 → 4609, B=3377 → 3591 [TX049] Transfer $569: A=4609 → 4040, B=3591 → 4160 [TX050] Transfer $462: A=4040 → 3578, B=4160 → 4622 [TX051] Transfer $783: B=4622 → 3839, A=3578 → 4361 [TX052] Transfer $167: A=4361 → 4194, B=3839 → 4006 [TX053] Transfer $559: B=4006 → 3447, A=4194 → 4753 [TX054] Transfer $833: A=4753 → 3920, B=3447 → 4280 [TX055] Transfer $111: B=4280 → 4169, A=3920 → 4031 [TX056] Transfer $891: A=4031 → 3140, B=4169 → 5060 [TX057] Transfer $723: A=3140 → 2417, B=5060 → 5783 [TX058] Transfer $88: A=2417 → 2329, B=5783 → 5871 [TX059] Transfer $420: A=2329 → 1909, B=5871 → 6291 [TX060] Transfer $254: B=6291 → 6037, A=1909 → 2163 [TX061] Transfer $731: A=2163 → 1432, B=6037 → 6768 [TX062] Transfer $83: A=1432 → 1349, B=6768 → 6851 [TX063] Transfer $371: A=1349 → 978, B=6851 → 7222 [TX064] Transfer $309: B=7222 → 6913, A=978 → 1287 [TX065] Transfer $181: A=1287 → 1106, B=6913 → 7094 [TX066] Transfer $27: A=1106 → 1079, B=7094 → 7121 [TX067] Transfer $188: A=1079 → 891, B=7121 → 7309 [TX068] Transfer $459: B=7309 → 6850, A=891 → 1350 [TX069] Transfer $612: B=6850 → 6238, A=1350 → 1962 [TX070] Transfer $32: B=6238 → 6206, A=1962 → 1994 [TX071] Transfer $576: A=1994 → 1418, B=6206 → 6782 [TX072] Transfer $205: A=1418 → 1213, B=6782 → 6987 [TX073] Transfer $162: A=1213 → 1051, B=6987 → 7149 [TX074] Transfer $860: B=7149 → 6289, A=1051 → 1911 [TX075] Transfer $449: B=6289 → 5840, A=1911 → 2360 [TX076] Transfer $363: A=2360 → 1997, B=5840 → 6203 [TX077] Transfer $852: A=1997 → 1145, B=6203 → 7055 [TX078] Transfer $21: A=1145 → 1124, B=7055 → 7076 [TX079] Transfer $274: A=1124 → 850, B=7076 → 7350 [TX080] Transfer $437: B=7350 → 6913, A=850 → 1287 [TX081] Transfer $990: A=1287 → 297, B=6913 → 7903 [TX082] Transfer $775: B=7903 → 7128, A=297 → 1072 [TX083] Transfer $53: A=1072 → 1019, B=7128 → 7181 [TX084] Transfer $684: B=7181 → 6497, A=1019 → 1703 [TX085] Transfer $937: B=6497 → 5560, A=1703 → 2640 [TX086] Transfer $22: B=5560 → 5538, A=2640 → 2662 [TX087] Transfer $558: B=5538 → 4980, A=2662 → 3220 [TX088] Transfer $589: A=3220 → 2631, B=4980 → 5569 [TX089] Transfer $257: A=2631 → 2374, B=5569 → 5826 [TX090] Transfer $805: A=2374 → 1569, B=5826 → 6631 [TX091] Transfer $263: A=1569 → 1306, B=6631 → 6894 [TX092] Transfer $664: A=1306 → 642, B=6894 → 7558 [TX093] Transfer $804: B=7558 → 6754, A=642 → 1446 [TX094] Transfer $665: B=6754 → 6089, A=1446 → 2111 [TX095] Transfer $476: A=2111 → 1635, B=6089 → 6565 [TX096] Transfer $835: B=6565 → 5730, A=1635 → 2470 [TX097] Transfer $619: B=5730 → 5111, A=2470 → 3089 [TX098] Transfer $422: B=5111 → 4689, A=3089 → 3511 [TX099] Transfer $154: B=4689 → 4535, A=3511 → 3665 [TX100] Transfer $295: A=3665 → 3370, B=4535 → 4830 [TX101] Transfer $493: A=3370 → 2877, B=4830 → 5323 [TX102] Transfer $240: B=5323 → 5083, A=2877 → 3117 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	CALC_ERROR	TX003	Mathematical calculation is incorrect	CALC_ERROR	102	{"bug_type": "CALC_ERROR", "bug_location": "TX003", "explanation": "Mathematical calculation is incorrect"}	{"bug_type": "CALC_ERROR", "n_ops": 102}
10	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $880: A=4000 → 3120, B=4200 → 5080 [TX002] Transfer $938: A=3120 → 2182, B=5080 → 6018 [TX003] Transfer $993: A=2182 → 1189, B=6018 → 7011 [TX004] Transfer $399: B=7011 → 6612, A=1189 → 1588 [TX005] Transfer $210: A=1588 → 1378, B=6612 → 6822 [TX006] Transfer $946: B=6822 → 5876, A=1378 → 2324 [TX007] Transfer $96: B=5876 → 5780, A=2324 → 2420 [TX008] Transfer $276: A=2420 → 2144, B=5780 → 6056 [TX009] Transfer $896: B=6056 → 5160, A=2144 → 3040 [TX010] Transfer $825: A=3040 → 2215, B=5160 → 5985 [TX011] Transfer $215: A=2215 → 2000, B=5985 → 6200 [TX012] Transfer $981: B=6200 → 5219, A=2000 → 2981 [TX013] Transfer $961: A=2981 → 2020, B=5219 → 6180 [TX014] Transfer $766: A=2020 → 1254, B=6180 → 6946 [TX015] Transfer $714: B=6946 → 6232, A=1254 → 1968 [TX016] Transfer $939: A=1968 → 1029, B=6232 → 7171 [TX017] Transfer $796: A=1029 → 233, B=7171 → 7967 [TX018] Transfer $479: B=7967 → 7488, A=233 → 712 [TX019] Transfer $269: B=7488 → 7219, A=712 → 981 [TX020] Transfer $479: B=7219 → 6740, A=981 → 1460 [TX021] Transfer $781: A=1460 → 679, B=6740 → 7521 [TX022] Transfer $381: B=7521 → 7140, A=679 → 1060 [TX023] Transfer $48: B=7140 → 7092, A=1060 → 1108 [TX024] Transfer $18: A=1108 → 1090, B=7092 → 7110 [TX025] Transfer $304: B=7110 → 6806, A=1090 → 1394 [TX026] Transfer $339: A=1394 → 1055, B=6806 → 7145 [TX027] Transfer $585: A=1055 → 470, B=7145 → 7730 [TX028] Transfer $283: A=470 → 187, B=7730 → 8013 [TX029] Transfer $783: B=8013 → 7230, A=187 → 970 [TX030] Transfer $473: B=7230 → 6757, A=970 → 1443 [TX031] Payment PAY1004: Transfer $175: A=1443 → 1268, B=6757 → 6932 [TX032] Transfer $190: A=1268 → 1078, B=6932 → 7122 [TX033] Transfer $861: A=1078 → 217, B=7122 → 7983 [TX034] Transfer $99: A=217 → 118, B=7983 → 8082 [TX035] Transfer $6: A=118 → 112, B=8082 → 8088 [TX036] Transfer $4: A=112 → 108, B=8088 → 8092 [TX037] Transfer $6: A=108 → 102, B=8092 → 8098 [TX038] Transfer $63: B=8098 → 8035, A=102 → 165 [TX039] Transfer $18: B=8035 → 8017, A=165 → 183 [TX040] Transfer $3: A=183 → 180, B=8017 → 8020 [TX041] Transfer $70: A=180 → 110, B=8020 → 8090 [TX042] Transfer $516: B=8090 → 7574, A=110 → 626 [TX043] Transfer $111: B=7574 → 7463, A=626 → 737 [TX044] Transfer $248: A=737 → 489, B=7463 → 7711 [TX045] Transfer $183: A=489 → 306, B=7711 → 7894 [TX046] Transfer $82: B=7894 → 7812, A=306 → 388 [TX047] Payment PAY1004: Transfer $175: A=388 → 213, B=7812 → 7987 [TX048] Transfer $472: B=7987 → 7515, A=213 → 685 [TX049] Transfer $309: A=685 → 376, B=7515 → 7824 [TX050] Transfer $49: A=376 → 327, B=7824 → 7873 [TX051] Transfer $388: B=7873 → 7485, A=327 → 715 [TX052] Transfer $654: B=7485 → 6831, A=715 → 1369 [TX053] Transfer $86: A=1369 → 1283, B=6831 → 6917 [TX054] Transfer $662: B=6917 → 6255, A=1283 → 1945 [TX055] Transfer $918: B=6255 → 5337, A=1945 → 2863 [TX056] Transfer $218: A=2863 → 2645, B=5337 → 5555 [TX057] Transfer $49: B=5555 → 5506, A=2645 → 2694 [TX058] Transfer $922: A=2694 → 1772, B=5506 → 6428 [TX059] Transfer $953: A=1772 → 819, B=6428 → 7381 [TX060] Transfer $986: B=7381 → 6395, A=819 → 1805 [TX061] Transfer $772: A=1805 → 1033, B=6395 → 7167 [TX062] Transfer $308: B=7167 → 6859, A=1033 → 1341 [TX063] Transfer $582: A=1341 → 759, B=6859 → 7441 [TX064] Transfer $395: B=7441 → 7046, A=759 → 1154 [TX065] Transfer $514: A=1154 → 640, B=7046 → 7560 [TX066] Transfer $102: B=7560 → 7458, A=640 → 742 [TX067] Transfer $860: B=7458 → 6598, A=742 → 1602 [TX068] Transfer $621: A=1602 → 981, B=6598 → 7219 [TX069] Transfer $32: B=7219 → 7187, A=981 → 1013 [TX070] Transfer $504: B=7187 → 6683, A=1013 → 1517 [TX071] Transfer $568: A=1517 → 949, B=6683 → 7251 [TX072] Transfer $192: B=7251 → 7059, A=949 → 1141 [TX073] Transfer $792: B=7059 → 6267, A=1141 → 1933 [TX074] Transfer $732: B=6267 → 5535, A=1933 → 2665 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	DUPLICATE_TXN	TX047	Payment PAY1004 processed twice	DUPLICATE_TXN	74	{"bug_type": "DUPLICATE_TXN", "bug_location": "TX047", "explanation": "Payment PAY1004 processed twice"}	{"bug_type": "DUPLICATE_TXN", "n_ops": 74}
55	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $391: A=4000 → 3609, B=4200 → 4591 [TX002] Transfer $986: B=4591 → 3605, A=3609 → 4595 [TX003] Transfer $371: A=4595 → 4224, B=3605 → 3976 [TX004] Transfer $446: B=3976 → 3530, A=4224 → 4670 [TX005] Transfer $720: B=3530 → 2810, A=4670 → 5390 [TX006] Transfer $898: A=5390 → 4492, B=2810 → 3708 [TX007] Transfer $976: B=3708 → 2732, A=4492 → 5468 [TX008] Transfer $48: B=2732 → 2684, A=5468 → 5516 [TX009] Transfer $183: A=5516 → 5333, B=2684 → 2867 [TX010] Transfer $533: A=5333 → 4800, B=2867 → 3400 [TX011] Transfer $713: A=4800 → 4087, B=3400 → 4113 [TX012] Transfer $64: B=4113 → 4049, A=4087 → 4151 [TX013] Transfer $382: A=4151 → 3769, B=4049 → 4431 [TX014] Transfer $431: B=4431 → 4000, A=3769 → 4200 [TX015] Transfer $960: A=4200 → 3240, B=4000 → 4960 [TX016] Transfer $375: A=3240 → 2865, B=4960 → 5335 [TX017] Transfer $32: A=2865 → 2833, B=5335 → 5367 [TX018] Transfer $315: B=5367 → 5052, A=2833 → 3148 [TX019] Transfer $932: B=5052 → 4120, A=3148 → 4080 [TX020] Transfer $31: B=4120 → 4089, A=4080 → 4111 [TX021] Transfer $31: A=4111 → 4080, B=4089 → 4120 [TX022] Transfer $754: B=4120 → 3366, A=4080 → 4834 [TX023] Transfer $49: A=4834 → 4785, B=3366 → 3415 [TX024] Transfer $163: B=3415 → 3252, A=4785 → 4948 [TX025] Transfer $359: A=4948 → 4589, B=3252 → 3611 [TX026] Transfer $431: A=4589 → 4158, B=3611 → 4042 [TX027] Transfer $993: A=4158 → 3165, B=4042 → 5035 [TX028] Transfer $427: B=5035 → 4608, A=3165 → 3592 [TX029] Transfer $879: B=4608 → 3729, A=3592 → 4471 [TX030] Transfer $489: A=4471 → 3982, B=3729 → 4218 [TX031] Transfer $133: B=4218 → 4085, A=3982 → 4115 [TX032] Transfer $981: B=4085 → 3104, A=4115 → 5096 [TX033] Transfer $506: A=5096 → 4590, B=3104 → 3610 [TX034] Transfer $226: A=4590 → 4364, B=3610 → 3836 [TX035] Transfer $232: A=4364 → 4132, B=3836 → 4068 [TX036] Transfer $736: A=4132 → 3396, B=4068 → 4804 [TX037] Transfer $910: B=4804 → 3894, A=3396 → 4306 [TX038] Transfer $233: A=4306 → 4073, B=3894 → 4127 [TX039] Transfer $749: B=4127 → 3378, A=4073 → 4822 [TX040] Transfer $729: B=3378 → 2649, A=4822 → 5551 [TX041] Transfer $780: B=2649 → 1869, A=5551 → 6331 [TX042] Transfer $434: A=6331 → 5897, B=1869 → 2303 [TX043] Transfer $595: B=2303 → 1708, A=5897 → 6492 [TX044] Transfer $649: A=6492 → 5843, B=1708 → 2357 [TX045] Transfer $188: A=5843 → 5655, B=2357 → 2545 [TX046] Transfer $651: A=5655 → 5004, B=2545 → 3196 [TX047] Transfer $167: A=5004 → 4837, B=3196 → 3363 [TX048] Transfer $13: B=3363 → 3350, A=4837 → 4850 [TX049] Transfer $880: B=3350 → 2470, A=4850 → 5730 [TX050] Transfer $645: B=2470 → 1825, A=5730 → 6375 [TX051] Transfer $221: B=1825 → 1604, A=6375 → 6596 [TX052] Transfer $560: B=1604 → 1044, A=6596 → 7156 [TX053] Transfer $764: B=1044 → 280, A=7156 → 7920 [TX054] Transfer $88: B=280 → 192, A=7920 → 8008 [TX055] Transfer $351: A=8008 → 7657, B=192 → 543 [TX056] Transfer $341: B=543 → 202, A=7657 → 7998 [TX057] Transfer $783: A=7998 → 7215, B=202 → 985 [TX058] Transfer $802: B=985 → 183, A=7215 → 8017 [TX059] Transfer $5: B=183 → 178, A=8017 → 8022 [TX060] Transfer $234: A=8022 → 7788, B=178 → 410 [TX061] Transfer $565: A=7788 → 7223, B=412 → 977 [TX062] Transfer $357: B=977 → 620, A=7223 → 7580 [TX063] Transfer $448: B=620 → 172, A=7580 → 8028 [TX064] Transfer $409: A=8028 → 7619, B=172 → 581 [TX065] Transfer $862: A=7619 → 6757, B=581 → 1443 [TX066] Transfer $205: A=6757 → 6552, B=1443 → 1648 [TX067] Transfer $578: B=1648 → 1070, A=6552 → 7130 [TX068] Transfer $554: A=7130 → 6576, B=1070 → 1624 [TX069] Transfer $385: A=6576 → 6191, B=1624 → 2009 [TX070] Transfer $698: A=6191 → 5493, B=2009 → 2707 [TX071] Transfer $865: A=5493 → 4628, B=2707 → 3572 [TX072] Transfer $880: A=4628 → 3748, B=3572 → 4452 [TX073] Transfer $52: A=3748 → 3696, B=4452 → 4504 [TX074] Transfer $401: B=4504 → 4103, A=3696 → 4097 [TX075] Transfer $481: B=4103 → 3622, A=4097 → 4578 [TX076] Transfer $740: B=3622 → 2882, A=4578 → 5318 [TX077] Transfer $78: B=2882 → 2804, A=5318 → 5396 [TX078] Transfer $215: B=2804 → 2589, A=5396 → 5611 [TX079] Transfer $775: A=5611 → 4836, B=2589 → 3364 [TX080] Transfer $149: B=3364 → 3215, A=4836 → 4985 [TX081] Transfer $784: B=3215 → 2431, A=4985 → 5769 [TX082] Transfer $807: A=5769 → 4962, B=2431 → 3238 [TX083] Transfer $402: A=4962 → 4560, B=3238 → 3640 [TX084] Transfer $856: A=4560 → 3704, B=3640 → 4496 [TX085] Transfer $233: B=4496 → 4263, A=3704 → 3937 [TX086] Transfer $916: B=4263 → 3347, A=3937 → 4853 [TX087] Transfer $745: B=3347 → 2602, A=4853 → 5598 [TX088] Transfer $456: A=5598 → 5142, B=2602 → 3058 [TX089] Transfer $780: A=5142 → 4362, B=3058 → 3838 [TX090] Transfer $654: B=3838 → 3184, A=4362 → 5016 [TX091] Transfer $538: A=5016 → 4478, B=3184 → 3722 [TX092] Transfer $239: A=4478 → 4239, B=3722 → 3961 [TX093] Transfer $843: B=3961 → 3118, A=4239 → 5082 [TX094] Transfer $159: A=5082 → 4923, B=3118 → 3277 [TX095] Transfer $898: A=4923 → 4025, B=3277 → 4175 [TX096] Transfer $392: B=4175 → 3783, A=4025 → 4417 [TX097] Transfer $643: B=3783 → 3140, A=4417 → 5060 [TX098] Transfer $601: B=3140 → 2539, A=5060 → 5661 [TX099] Transfer $778: A=5661 → 4883, B=2539 → 3317 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	CALC_ERROR	TX060	Mathematical calculation is incorrect	CALC_ERROR	99	{"bug_type": "CALC_ERROR", "bug_location": "TX060", "explanation": "Mathematical calculation is incorrect"}	{"bug_type": "CALC_ERROR", "n_ops": 99}
56	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $249: A=4000 → 3751, B=4200 → 4449 [TX002] Transfer $433: B=4449 → 4016, A=3751 → 4184 [TX003] Transfer $887: A=4184 → 3297, B=4016 → 4903 [TX004] Transfer $928: B=4903 → 3975, A=3297 → 4225 [TX005] Transfer $431: B=3975 → 3544, A=4225 → 4656 [TX006] Transfer $87: B=3544 → 3457, A=4656 → 4743 [TX007] Transfer $732: A=4743 → 4011, B=3457 → 4189 [TX008] Transfer $601: B=4189 → 3588, A=4011 → 4612 [TX009] Transfer $607: B=3588 → 2981, A=4612 → 5219 [TX010] Transfer $108: B=2981 → 2873, A=5219 → 5327 [TX011] Transfer $623: B=2873 → 2250, A=5327 → 5950 [TX012] Transfer $618: B=2250 → 1632, A=5950 → 6568 [TX013] Transfer $591: A=6568 → 5977, B=1632 → 2223 [TX014] Transfer $991: A=5977 → 4986, B=2223 → 3214 [TX015] Transfer $596: A=4986 → 4390, B=3214 → 3808 [TX016] Transfer $357: B=3810 → 3453, A=4390 → 4747 [TX017] Transfer $589: B=3453 → 2864, A=4747 → 5336 [TX018] Transfer $834: A=5336 → 4502, B=2864 → 3698 [TX019] Transfer $223: B=3698 → 3475, A=4502 → 4725 [TX020] Transfer $647: A=4725 → 4078, B=3475 → 4122 [TX021] Transfer $301: B=4122 → 3821, A=4078 → 4379 [TX022] Transfer $748: B=3821 → 3073, A=4379 → 5127 [TX023] Transfer $369: B=3073 → 2704, A=5127 → 5496 [TX024] Transfer $998: B=2704 → 1706, A=5496 → 6494 [TX025] Transfer $458: A=6494 → 6036, B=1706 → 2164 [TX026] Transfer $471: A=6036 → 5565, B=2164 → 2635 [TX027] Transfer $216: B=2635 → 2419, A=5565 → 5781 [TX028] Transfer $773: B=2419 → 1646, A=5781 → 6554 [TX029] Transfer $866: B=1646 → 780, A=6554 → 7420 [TX030] Transfer $343: B=780 → 437, A=7420 → 7763 [TX031] Transfer $164: B=437 → 273, A=7763 → 7927 [TX032] Transfer $25: B=273 → 248, A=7927 → 7952 [TX033] Transfer $129: B=248 → 119, A=7952 → 8081 [TX034] Transfer $209: A=8081 → 7872, B=119 → 328 [TX035] Transfer $91: B=328 → 237, A=7872 → 7963 [TX036] Transfer $94: B=237 → 143, A=7963 → 8057 [TX037] Transfer $332: A=8057 → 7725, B=143 → 475 [TX038] Transfer $196: A=7725 → 7529, B=475 → 671 [TX039] Transfer $553: B=671 → 118, A=7529 → 8082 [TX040] Transfer $635: A=8082 → 7447, B=118 → 753 [TX041] Transfer $97: A=7447 → 7350, B=753 → 850 [TX042] Transfer $874: A=7350 → 6476, B=850 → 1724 [TX043] Transfer $735: B=1724 → 989, A=6476 → 7211 [TX044] Transfer $408: B=989 → 581, A=7211 → 7619 [TX045] Transfer $108: A=7619 → 7511, B=581 → 689 [TX046] Transfer $333: B=689 → 356, A=7511 → 7844 [TX047] Transfer $847: A=7844 → 6997, B=356 → 1203 [TX048] Transfer $563: A=6997 → 6434, B=1203 → 1766 [TX049] Transfer $28: A=6434 → 6406, B=1766 → 1794 [TX050] Transfer $855: B=1794 → 939, A=6406 → 7261 [TX051] Transfer $898: A=7261 → 6363, B=939 → 1837 [TX052] Transfer $665: A=6363 → 5698, B=1837 → 2502 [TX053] Transfer $14: A=5698 → 5684, B=2502 → 2516 [TX054] Transfer $989: B=2516 → 1527, A=5684 → 6673 [TX055] Transfer $860: A=6673 → 5813, B=1527 → 2387 [TX056] Transfer $571: B=2387 → 1816, A=5813 → 6384 [TX057] Transfer $192: A=6384 → 6192, B=1816 → 2008 [TX058] Transfer $766: B=2008 → 1242, A=6192 → 6958 [TX059] Transfer $824: B=1242 → 418, A=6958 → 7782 [TX060] Transfer $191: B=418 → 227, A=7782 → 7973 [TX061] Transfer $42: B=227 → 185, A=7973 → 8015 [TX062] Transfer $19: B=185 → 166, A=8015 → 8034 [TX063] Transfer $18: B=166 → 148, A=8034 → 8052 [TX064] Transfer $550: A=8052 → 7502, B=148 → 698 [TX065] Transfer $235: B=698 → 463, A=7502 → 7737 [TX066] Transfer $240: B=463 → 223, A=7737 → 7977 [TX067] Transfer $60: B=223 → 163, A=7977 → 8037 [TX068] Transfer $39: B=163 → 124, A=8037 → 8076 [TX069] Transfer $7: B=124 → 117, A=8076 → 8083 [TX070] Transfer $574: A=8083 → 7509, B=117 → 691 [TX071] Transfer $490: A=7509 → 7019, B=691 → 1181 [TX072] Transfer $700: A=7019 → 6319, B=1181 → 1881 [TX073] Transfer $979: B=1881 → 902, A=6319 → 7298 [TX074] Transfer $747: B=902 → 155, A=7298 → 8045 [TX075] Transfer $443: A=8045 → 7602, B=155 → 598 [TX076] Transfer $222: A=7602 → 7380, B=598 → 820 [TX077] Transfer $553: B=820 → 267, A=7380 → 7933 [TX078] Transfer $61: B=267 → 206, A=7933 → 7994 [TX079] Transfer $100: B=206 → 106, A=7994 → 8094 [TX080] Transfer $6: B=106 → 100, A=8094 → 8100 [TX081] Transfer $603: A=8100 → 7497, B=100 → 703 [TX082] Transfer $630: A=7497 → 6867, B=703 → 1333 [TX083] Transfer $749: A=6867 → 6118, B=1333 → 2082 [TX084] Transfer $256: A=6118 → 5862, B=2082 → 2338 [TX085] Transfer $32: A=5862 → 5830, B=2338 → 2370 [TX086] Transfer $341: B=2370 → 2029, A=5830 → 6171 [TX087] Transfer $970: A=6171 → 5201, B=2029 → 2999 [TX088] Transfer $826: B=2999 → 2173, A=5201 → 6027 [TX089] Transfer $715: B=2173 → 1458, A=6027 → 6742 [TX090] Transfer $869: B=1458 → 589, A=6742 → 7611 [TX091] Transfer $51: B=589 → 538, A=7611 → 7662 [TX092] Transfer $92: B=538 → 446, A=7662 → 7754 [TX093] Transfer $257: B=446 → 189, A=7754 → 8011 [TX094] Transfer $268: A=8011 → 7743, B=189 → 457 [TX095] Transfer $118: B=457 → 339, A=7743 → 7861 [TX096] Transfer $88: B=339 → 251, A=7861 → 7949 [TX097] Transfer $136: B=251 → 115, A=7949 → 8085 [TX098] Transfer $11: B=115 → 104, A=8085 → 8096 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	CALC_ERROR	TX015	Mathematical calculation is incorrect	CALC_ERROR	98	{"bug_type": "CALC_ERROR", "bug_location": "TX015", "explanation": "Mathematical calculation is incorrect"}	{"bug_type": "CALC_ERROR", "n_ops": 98}
72	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $26: B=4200 → 4174, A=4000 → 4026 [TX002] Transfer $415: A=4026 → 3611, B=4174 → 4589 [TX003] Transfer $183: A=3611 → 3428, B=4589 → 4772 [TX004] Transfer $493: A=3428 → 2935, B=4772 → 5265 [TX005] Transfer $268: B=5265 → 4997, A=2935 → 3203 [TX006] Transfer $497: B=4997 → 4500, A=3203 → 3700 [TX007] Transfer $160: A=3700 → 3540, B=4500 → 4660 [TX008] Transfer $147: A=3540 → 3393, B=4660 → 4807 [TX009] Transfer $393: A=3393 → 3000, B=4807 → 5200 [TX010] Transfer $403: A=3000 → 2597, B=5200 → 5603 [TX011] Transfer $737: A=2597 → 1860, B=5603 → 6340 [TX012] Transfer $662: B=6340 → 5678, A=1860 → 2522 [TX013] Transfer $66: B=5678 → 5612, A=2522 → 2588 [TX014] Transfer $205: B=5612 → 5407, A=2588 → 2793 [TX015] Transfer $950: B=5407 → 4457, A=2793 → 3743 [TX016] Transfer $335: A=3743 → 3408, B=4457 → 4792 [TX017] Transfer $160: A=3408 → 3248, B=4792 → 4952 [TX018] Transfer $904: A=3248 → 2344, B=4952 → 5856 [TX019] Transfer $752: A=2344 → 1592, B=5856 → 6608 [TX020] Transfer $675: B=6608 → 5933, A=1592 → 2267 [TX021] Transfer $243: A=2267 → 2024, B=5933 → 6176 [TX022] Transfer $920: A=2024 → 1104, B=6176 → 7096 [TX023] Transfer $670: A=1104 → 434, B=7096 → 7766 [TX024] Transfer $810: B=7766 → 6956, A=434 → 1244 [TX025] Transfer $571: A=1244 → 673, B=6956 → 7527 [TX026] Transfer $429: B=7527 → 7098, A=673 → 1102 [TX027] Transfer $744: A=1102 → 358, B=7098 → 7842 [TX028] Transfer $7850: B=7842 → -8, A=358 → 8208 [TX029] Transfer $298: A=8208 → 7910, B=-8 → 290 [TX030] Transfer $586: A=7910 → 7324, B=290 → 876 [TX031] Transfer $261: B=876 → 615, A=7324 → 7585 [TX032] Transfer $186: B=615 → 429, A=7585 → 7771 [TX033] Transfer $3: B=429 → 426, A=7771 → 7774 [TX034] Transfer $452: A=7774 → 7322, B=426 → 878 [TX035] Transfer $58: A=7322 → 7264, B=878 → 936 [TX036] Transfer $684: B=936 → 252, A=7264 → 7948 [TX037] Transfer $30: B=252 → 222, A=7948 → 7978 [TX038] Transfer $726: A=7978 → 7252, B=222 → 948 [TX039] Transfer $595: B=948 → 353, A=7252 → 7847 [TX040] Transfer $154: A=7847 → 7693, B=353 → 507 [TX041] Transfer $139: A=7693 → 7554, B=507 → 646 [TX042] Transfer $57: B=646 → 589, A=7554 → 7611 [TX043] Transfer $40: A=7611 → 7571, B=589 → 629 [TX044] Transfer $781: A=7571 → 6790, B=629 → 1410 [TX045] Transfer $533: B=1410 → 877, A=6790 → 7323 [TX046] Transfer $702: B=877 → 175, A=7323 → 8025 [TX047] Transfer $685: A=8025 → 7340, B=175 → 860 [TX048] Transfer $244: B=860 → 616, A=7340 → 7584 [TX049] Transfer $43: B=616 → 573, A=7584 → 7627 [TX050] Transfer $286: A=7627 → 7341, B=573 → 859 [TX051] Transfer $399: B=859 → 460, A=7341 → 7740 [TX052] Transfer $114: A=7740 → 7626, B=460 → 574 [TX053] Transfer $179: B=574 → 395, A=7626 → 7805 [TX054] Transfer $894: A=7805 → 6911, B=395 → 1289 [TX055] Transfer $799: A=6911 → 6112, B=1289 → 2088 [TX056] Transfer $799: A=6112 → 5313, B=2088 → 2887 [TX057] Transfer $96: B=2887 → 2791, A=5313 → 5409 [TX058] Transfer $491: B=2791 → 2300, A=5409 → 5900 [TX059] Transfer $60: B=2300 → 2240, A=5900 → 5960 [TX060] Transfer $592: A=5960 → 5368, B=2240 → 2832 [TX061] Transfer $86: B=2832 → 2746, A=5368 → 5454 [TX062] Transfer $97: A=5454 → 5357, B=2746 → 2843 [TX063] Transfer $409: A=5357 → 4948, B=2843 → 3252 [TX064] Transfer $751: A=4948 → 4197, B=3252 → 4003 [TX065] Transfer $214: A=4197 → 3983, B=4003 → 4217 [TX066] Transfer $889: A=3983 → 3094, B=4217 → 5106 [TX067] Transfer $479: B=5106 → 4627, A=3094 → 3573 [TX068] Transfer $119: A=3573 → 3454, B=4627 → 4746 [TX069] Transfer $117: A=3454 → 3337, B=4746 → 4863 [TX070] Transfer $109: B=4863 → 4754, A=3337 → 3446 [TX071] Transfer $44: A=3446 → 3402, B=4754 → 4798 [TX072] Transfer $459: A=3402 → 2943, B=4798 → 5257 [TX073] Transfer $679: A=2943 → 2264, B=5257 → 5936 [TX074] Transfer $204: B=5936 → 5732, A=2264 → 2468 [TX075] Transfer $302: A=2468 → 2166, B=5732 → 6034 [TX076] Transfer $391: A=2166 → 1775, B=6034 → 6425 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	NEGATIVE_BAL	TX028	Account balance goes negative	NEGATIVE_BAL	76	{"bug_type": "NEGATIVE_BAL", "bug_location": "TX028", "explanation": "Account balance goes negative"}	{"bug_type": "NEGATIVE_BAL", "n_ops": 76}
45	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $727: B=4200 → 3473, A=4000 → 4727 [TX002] Transfer $870: B=3473 → 2603, A=4727 → 5597 [TX003] Transfer $226: A=5597 → 5371, B=2603 → 2829 [TX004] Transfer $1000: B=2829 → 1829, A=5371 → 6371 [TX005] Transfer $800: B=1829 → 1029, A=6371 → 7171 [TX006] Transfer $72: B=1029 → 957, A=7171 → 7243 [TX007] Transfer $170: B=957 → 787, A=7243 → 7413 [TX008] Transfer $152: B=787 → 635, A=7413 → 7565 [TX009] Transfer $114: B=635 → 521, A=7565 → 7679 [TX010] Transfer $917: A=7679 → 6762, B=521 → 1438 [TX011] Transfer $275: B=1438 → 1163, A=6762 → 7037 [TX012] Transfer $679: A=7037 → 6358, B=1163 → 1842 [TX013] Transfer $273: B=1842 → 1569, A=6358 → 6631 [TX014] Transfer $364: A=6631 → 6267, B=1569 → 1933 [TX015] Transfer $156: B=1933 → 1777, A=6267 → 6423 [TX016] Transfer $522: B=1777 → 1255, A=6423 → 6945 [TX017] Transfer $453: B=1255 → 802, A=6945 → 7398 [TX018] Transfer $102: B=802 → 700, A=7398 → 7500 [TX019] Transfer $751: A=7500 → 6749, B=700 → 1451 [TX020] Transfer $303: B=1451 → 1148, A=6749 → 7052 [TX021] Transfer $182: A=7052 → 6870, B=1148 → 1330 [TX022] Transfer $533: B=1330 → 797, A=6870 → 7403 [TX023] Transfer $53: B=797 → 744, A=7403 → 7456 [TX024] Transfer $226: A=7456 → 7230, B=744 → 970 [TX025] Transfer $918: A=7230 → 6312, B=970 → 1888 [TX026] Transfer $246: A=6312 → 6066, B=1888 → 2134 [TX027] Transfer $284: A=6066 → 5782, B=2134 → 2418 [TX028] Transfer $403: A=5782 → 5379, B=2418 → 2821 [TX029] Transfer $227: B=2821 → 2594, A=5379 → 5606 [TX030] Transfer $212: B=2594 → 2382, A=5606 → 5818 [TX031] Transfer $357: A=5818 → 5461, B=2382 → 2739 [TX032] Transfer $753: B=2739 → 1986, A=5461 → 6214 [TX033] Transfer $191: A=6214 → 6023, B=1986 → 2177 [TX034] Transfer $875: B=2177 → 1302, A=6023 → 6898 [TX035] Transfer $324: A=6898 → 6574, B=1302 → 1626 [TX036] Transfer $193: A=6574 → 6381, B=1626 → 1819 [TX037] Transfer $147: B=1819 → 1672, A=6381 → 6528 [TX038] Transfer $440: A=6528 → 6088, B=1672 → 2112 [TX039] Transfer $183: B=2112 → 1929, A=6088 → 6271 [TX040] Transfer $176: B=1929 → 1753, A=6271 → 6447 [TX041] Transfer $994: A=6447 → 5453, B=1753 → 2747 [TX042] Transfer $502: B=2747 → 2245, A=5453 → 5955 [TX043] Transfer $114: A=5955 → 5841, B=2245 → 2359 [TX044] Transfer $582: A=5841 → 5259, B=2359 → 2941 [TX045] Transfer $539: B=2941 → 2402, A=5259 → 5798 [TX046] Transfer $795: A=5798 → 5003, B=2402 → 3197 [TX047] Transfer $313: A=5003 → 4690, B=3197 → 3510 [TX048] Transfer $504: B=3510 → 3006, A=4690 → 5194 [TX049] Transfer $681: B=3006 → 2325, A=5194 → 5875 [TX050] Transfer $375: B=2325 → 1950, A=5875 → 6250 [TX051] Transfer $849: B=1950 → 1101, A=6250 → 7099 [TX052] Transfer $729: B=1101 → 372, A=7099 → 7828 [TX053] Transfer $59: B=372 → 313, A=7828 → 7887 [TX054] Transfer $39: B=313 → 274, A=7887 → 7926 [TX055] Transfer $170: B=274 → 104, A=7926 → 8096 [TX056] Transfer $511: A=8096 → 7585, B=104 → 615 [TX057] Transfer $593: A=7585 → 6992, B=615 → 1208 [TX058] Transfer $213: B=1208 → 995, A=6992 → 7205 [TX059] Transfer $944: A=7205 → 6261, B=995 → 1939 [TX060] Transfer $990: B=1939 → 949, A=6261 → 7251 [TX061] Transfer $541: B=949 → 408, A=7251 → 7792 [TX062] Transfer $934: A=7792 → 6858, B=408 → 1342 [TX063] Transfer $402: B=1342 → 940, A=6858 → 7260 [TX064] Transfer $318: B=940 → 622, A=7260 → 7578 [TX065] Transfer $595: A=7578 → 6983, B=622 → 1217 [TX066] Transfer $445: B=1217 → 772, A=6983 → 7428 [TX067] Transfer $297: B=772 → 475, A=7428 → 7725 [TX068] Thread T1: READ A=7725 [TX069] Thread T2: READ A=7725 [TX070] Thread T1: COMMIT A=7725 → 7673 [TX071] Thread T2: COMMIT A=7725 → 7548 [TX072] Transfer $699: A=7548 → 6849, B=475 → 1174 [TX073] Transfer $640: A=6849 → 6209, B=1174 → 1814 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	LOST_UPDATE	TX071	Thread T2 overwrites T1's change	LOST_UPDATE	73	{"bug_type": "LOST_UPDATE", "bug_location": "TX071", "explanation": "Thread T2 overwrites T1's change"}	{"bug_type": "LOST_UPDATE", "n_ops": 73}
48	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $61: A=4000 → 3939, B=4200 → 4261 [TX002] Transfer $920: A=3939 → 3019, B=4261 → 5181 [TX003] Transfer $453: B=5181 → 4728, A=3019 → 3472 [TX004] Transfer $786: A=3472 → 2686, B=4728 → 5514 [TX005] Transfer $891: B=5514 → 4623, A=2686 → 3577 [TX006] Transfer $234: B=4623 → 4389, A=3577 → 3811 [TX007] Transfer $894: A=3811 → 2917, B=4389 → 5283 [TX008] Transfer $119: A=2917 → 2798, B=5283 → 5402 [TX009] Transfer $702: A=2798 → 2096, B=5402 → 6104 [TX010] Transfer $44: B=6104 → 6060, A=2096 → 2140 [TX011] Transfer $976: A=2140 → 1164, B=6060 → 7036 [TX012] Transfer $18: B=7036 → 7018, A=1164 → 1182 [TX013] Transfer $616: B=7018 → 6402, A=1182 → 1798 [TX014] Transfer $113: A=1798 → 1685, B=6402 → 6515 [TX015] Transfer $117: A=1685 → 1568, B=6515 → 6632 [TX016] Transfer $210: A=1568 → 1358, B=6632 → 6842 [TX017] Transfer $851: B=6842 → 5991, A=1358 → 2209 [TX018] Transfer $659: B=5991 → 5332, A=2209 → 2868 [TX019] Transfer $148: B=5332 → 5184, A=2868 → 3016 [TX020] Transfer $623: A=3016 → 2393, B=5184 → 5807 [TX021] Transfer $1000: B=5807 → 4807, A=2393 → 3393 [TX022] Transfer $483: B=4807 → 4324, A=3393 → 3876 [TX023] Transfer $166: B=4324 → 4158, A=3876 → 4042 [TX024] Transfer $299: B=4158 → 3859, A=4042 → 4341 [TX025] Transfer $110: A=4341 → 4231, B=3859 → 3969 [TX026] Transfer $525: A=4231 → 3706, B=3969 → 4494 [TX027] Transfer $389: B=4494 → 4105, A=3706 → 4095 [TX028] Transfer $392: A=4095 → 3703, B=4105 → 4497 [TX029] Transfer $983: A=3703 → 2720, B=4497 → 5480 [TX030] Transfer $553: A=2720 → 2167, B=5480 → 6033 [TX031] Transfer $623: A=2167 → 1544, B=6033 → 6656 [TX032] Transfer $326: B=6656 → 6330, A=1544 → 1870 [TX033] Transfer $858: B=6330 → 5472, A=1870 → 2728 [TX034] Transfer $338: B=5472 → 5134, A=2728 → 3066 [TX035] Transfer $238: A=3066 → 2828, B=5134 → 5372 [TX036] Transfer $768: B=5372 → 4604, A=2828 → 3596 [TX037] Transfer $457: A=3596 → 3139, B=4604 → 5061 [TX038] Transfer $83: B=5061 → 4978, A=3139 → 3222 [TX039] Transfer $938: B=4978 → 4040, A=3222 → 4160 [TX040] Transfer $621: B=4040 → 3419, A=4160 → 4781 [TX041] Transfer $807: A=4781 → 3974, B=3419 → 4226 [TX042] Transfer $585: B=4226 → 3641, A=3974 → 4559 [TX043] Transfer $797: A=4559 → 3762, B=3641 → 4438 [TX044] Transfer $622: B=4438 → 3816, A=3762 → 4384 [TX045] Transfer $351: B=3816 → 3465, A=4384 → 4735 [TX046] Transfer $85: B=3465 → 3380, A=4735 → 4820 [TX047] Transfer $519: B=3380 → 2861, A=4820 → 5339 [TX048] Transfer $649: A=5339 → 4690, B=2861 → 3510 [TX049] Transfer $899: A=4690 → 3791, B=3510 → 4409 [TX050] Transfer $172: B=4409 → 4237, A=3791 → 3963 [TX051] Transfer $271: A=3963 → 3692, B=4237 → 4508 [TX052] Transfer $131: B=4508 → 4377, A=3692 → 3823 [TX053] Transfer $26: A=3823 → 3797, B=4377 → 4403 [TX054] Transfer $137: A=3797 → 3660, B=4403 → 4540 [TX055] Transfer $364: B=4540 → 4176, A=3660 → 4024 [TX056] Transfer $715: A=4024 → 3309, B=4176 → 4891 [TX057] Transfer $123: A=3309 → 3186, B=4891 → 5014 [TX058] Transfer $607: B=5014 → 4407, A=3186 → 3793 [TX059] Transfer $77: A=3793 → 3716, B=4407 → 4484 [TX060] Transfer $934: B=4484 → 3550, A=3716 → 4650 [TX061] Transfer $760: B=3550 → 2790, A=4650 → 5410 [TX062] Transfer $777: B=2790 → 2013, A=5410 → 6187 [TX063] Transfer $753: B=2013 → 1260, A=6187 → 6940 [TX064] Transfer $157: A=6940 → 6783, B=1260 → 1417 [TX065] Transfer $692: A=6783 → 6091, B=1417 → 2109 [TX066] Transfer $330: B=2109 → 1779, A=6091 → 6421 [TX067] Transfer $522: B=1779 → 1257, A=6421 → 6943 [TX068] Transfer $239: B=1257 → 1018, A=6943 → 7182 [TX069] Transfer $351: B=1018 → 667, A=7182 → 7533 [TX070] Transfer $294: A=7533 → 7239, B=667 → 961 [TX071] Transfer $328: B=961 → 633, A=7239 → 7567 [TX072] Thread T1: READ A=7567 [TX073] Thread T2: READ A=7567 [TX074] Thread T1: COMMIT A=7567 → 7481 [TX075] Thread T2: COMMIT A=7567 → 7507 [TX076] Transfer $533: A=7507 → 6974, B=633 → 1166 [TX077] Transfer $103: B=1166 → 1063, A=6974 → 7077 [TX078] Transfer $171: B=1063 → 892, A=7077 → 7248 [TX079] Transfer $282: A=7248 → 6966, B=892 → 1174 [TX080] Transfer $231: B=1174 → 943, A=6966 → 7197 [TX081] Transfer $963: A=7197 → 6234, B=943 → 1906 [TX082] Transfer $948: B=1906 → 958, A=6234 → 7182 [TX083] Transfer $146: A=7182 → 7036, B=958 → 1104 [TX084] Transfer $567: A=7036 → 6469, B=1104 → 1671 [TX085] Transfer $614: A=6469 → 5855, B=1671 → 2285 [TX086] Transfer $8: A=5855 → 5847, B=2285 → 2293 [TX087] Transfer $380: B=2293 → 1913, A=5847 → 6227 [TX088] Transfer $966: A=6227 → 5261, B=1913 → 2879 [TX089] Transfer $535: B=2879 → 2344, A=5261 → 5796 [TX090] Transfer $304: A=5796 → 5492, B=2344 → 2648 [TX091] Transfer $457: A=5492 → 5035, B=2648 → 3105 [TX092] Transfer $271: B=3105 → 2834, A=5035 → 5306 [TX093] Transfer $287: A=5306 → 5019, B=2834 → 3121 [TX094] Transfer $824: A=5019 → 4195, B=3121 → 3945 [TX095] Transfer $746: A=4195 → 3449, B=3945 → 4691 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	LOST_UPDATE	TX075	Thread T2 overwrites T1's change	LOST_UPDATE	95	{"bug_type": "LOST_UPDATE", "bug_location": "TX075", "explanation": "Thread T2 overwrites T1's change"}	{"bug_type": "LOST_UPDATE", "n_ops": 95}
92	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $374: A=4000 → 3626, B=4200 → 4574 [TX002] Transfer $916: A=3626 → 2710, B=4574 → 5490 [TX003] Transfer $870: A=2710 → 1840, B=5490 → 6359 [TX004] Transfer $593: A=1840 → 1247, B=6360 → 6953 [TX005] Transfer $556: A=1247 → 691, B=6953 → 7509 [TX006] Transfer $227: B=7509 → 7282, A=691 → 918 [TX007] Transfer $310: A=918 → 608, B=7282 → 7592 [TX008] Transfer $309: A=608 → 299, B=7592 → 7901 [TX009] Transfer $82: A=299 → 217, B=7901 → 7983 [TX010] Transfer $20: A=217 → 197, B=7983 → 8003 [TX011] Transfer $11: A=197 → 186, B=8003 → 8014 [TX012] Transfer $738: B=8014 → 7276, A=186 → 924 [TX013] Transfer $717: B=7276 → 6559, A=924 → 1641 [TX014] Transfer $732: B=6559 → 5827, A=1641 → 2373 [TX015] Transfer $685: A=2373 → 1688, B=5827 → 6512 [TX016] Transfer $319: B=6512 → 6193, A=1688 → 2007 [TX017] Transfer $5: A=2007 → 2002, B=6193 → 6198 [TX018] Transfer $841: B=6198 → 5357, A=2002 → 2843 [TX019] Transfer $935: A=2843 → 1908, B=5357 → 6292 [TX020] Transfer $267: B=6292 → 6025, A=1908 → 2175 [TX021] Transfer $519: A=2175 → 1656, B=6025 → 6544 [TX022] Transfer $329: B=6544 → 6215, A=1656 → 1985 [TX023] Transfer $567: B=6215 → 5648, A=1985 → 2552 [TX024] Transfer $764: B=5648 → 4884, A=2552 → 3316 [TX025] Transfer $561: A=3316 → 2755, B=4884 → 5445 [TX026] Transfer $931: A=2755 → 1824, B=5445 → 6376 [TX027] Transfer $828: B=6376 → 5548, A=1824 → 2652 [TX028] Transfer $241: A=2652 → 2411, B=5548 → 5789 [TX029] Transfer $520: B=5789 → 5269, A=2411 → 2931 [TX030] Transfer $372: A=2931 → 2559, B=5269 → 5641 [TX031] Transfer $387: B=5641 → 5254, A=2559 → 2946 [TX032] Transfer $166: A=2946 → 2780, B=5254 → 5420 [TX033] Transfer $21: A=2780 → 2759, B=5420 → 5441 [TX034] Transfer $807: A=2759 → 1952, B=5441 → 6248 [TX035] Transfer $778: B=6248 → 5470, A=1952 → 2730 [TX036] Transfer $434: B=5470 → 5036, A=2730 → 3164 [TX037] Transfer $146: B=5036 → 4890, A=3164 → 3310 [TX038] Transfer $68: A=3310 → 3242, B=4890 → 4958 [TX039] Transfer $29: B=4958 → 4929, A=3242 → 3271 [TX040] Transfer $64: B=4929 → 4865, A=3271 → 3335 [TX041] Transfer $372: B=4865 → 4493, A=3335 → 3707 [TX042] Transfer $774: B=4493 → 3719, A=3707 → 4481 [TX043] Transfer $494: B=3719 → 3225, A=4481 → 4975 [TX044] Transfer $102: A=4975 → 4873, B=3225 → 3327 [TX045] Transfer $316: B=3327 → 3011, A=4873 → 5189 [TX046] Transfer $796: A=5189 → 4393, B=3011 → 3807 [TX047] Transfer $305: A=4393 → 4088, B=3807 → 4112 [TX048] Transfer $517: A=4088 → 3571, B=4112 → 4629 [TX049] Transfer $689: B=4629 → 3940, A=3571 → 4260 [TX050] Transfer $53: A=4260 → 4207, B=3940 → 3993 [TX051] Transfer $342: A=4207 → 3865, B=3993 → 4335 [TX052] Transfer $703: B=4335 → 3632, A=3865 → 4568 [TX053] Transfer $916: B=3632 → 2716, A=4568 → 5484 [TX054] Transfer $570: B=2716 → 2146, A=5484 → 6054 [TX055] Transfer $461: B=2146 → 1685, A=6054 → 6515 [TX056] Transfer $258: B=1685 → 1427, A=6515 → 6773 [TX057] Transfer $458: A=6773 → 6315, B=1427 → 1885 [TX058] Transfer $149: B=1885 → 1736, A=6315 → 6464 [TX059] Transfer $882: B=1736 → 854, A=6464 → 7346 [TX060] Transfer $215: A=7346 → 7131, B=854 → 1069 [TX061] Transfer $429: B=1069 → 640, A=7131 → 7560 [TX062] Transfer $620: A=7560 → 6940, B=640 → 1260 [TX063] Transfer $916: A=6940 → 6024, B=1260 → 2176 [TX064] Transfer $623: B=2176 → 1553, A=6024 → 6647 [TX065] Transfer $919: A=6647 → 5728, B=1553 → 2472 [TX066] Transfer $531: A=5728 → 5197, B=2472 → 3003 [TX067] Transfer $182: B=3003 → 2821, A=5197 → 5379 [TX068] Transfer $800: A=5379 → 4579, B=2821 → 3621 [TX069] Transfer $267: B=3621 → 3354, A=4579 → 4846 [TX070] Transfer $809: A=4846 → 4037, B=3354 → 4163 [TX071] Transfer $487: A=4037 → 3550, B=4163 → 4650 [TX072] Transfer $762: A=3550 → 2788, B=4650 → 5412 [TX073] Transfer $612: A=2788 → 2176, B=5412 → 6024 [TX074] Transfer $976: B=6024 → 5048, A=2176 → 3152 [TX075] Transfer $323: B=5048 → 4725, A=3152 → 3475 [TX076] Transfer $423: A=3475 → 3052, B=4725 → 5148 [TX077] Transfer $756: B=5148 → 4392, A=3052 → 3808 [TX078] Transfer $513: B=4392 → 3879, A=3808 → 4321 [TX079] Transfer $262: B=3879 → 3617, A=4321 → 4583 [TX080] Transfer $872: A=4583 → 3711, B=3617 → 4489 [TX081] Transfer $249: A=3711 → 3462, B=4489 → 4738 [TX082] Transfer $867: B=4738 → 3871, A=3462 → 4329 [TX083] Transfer $217: A=4329 → 4112, B=3871 → 4088 [TX084] Transfer $468: B=4088 → 3620, A=4112 → 4580 [TX085] Transfer $63: A=4580 → 4517, B=3620 → 3683 [TX086] Transfer $968: A=4517 → 3549, B=3683 → 4651 [TX087] Transfer $107: A=3549 → 3442, B=4651 → 4758 [TX088] Transfer $857: A=3442 → 2585, B=4758 → 5615 [TX089] Transfer $668: B=5615 → 4947, A=2585 → 3253 [TX090] Transfer $623: B=4947 → 4324, A=3253 → 3876 [TX091] Transfer $111: A=3876 → 3765, B=4324 → 4435 [TX092] Transfer $60: B=4435 → 4375, A=3765 → 3825 [TX093] Transfer $633: B=4375 → 3742, A=3825 → 4458 [TX094] Transfer $297: B=3742 → 3445, A=4458 → 4755 [TX095] Transfer $592: B=3445 → 2853, A=4755 → 5347 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	CALC_ERROR	TX003	Mathematical calculation is incorrect	CALC_ERROR	95	{"bug_type": "CALC_ERROR", "bug_location": "TX003", "explanation": "Mathematical calculation is incorrect"}	{"bug_type": "CALC_ERROR", "n_ops": 95}
76	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $397: A=4000 → 3603, B=4200 → 4597 [TX002] Transfer $738: A=3603 → 2865, B=4597 → 5335 [TX003] Transfer $641: A=2865 → 2224, B=5335 → 5976 [TX004] Transfer $870: A=2224 → 1354, B=5976 → 6846 [TX005] Transfer $14: A=1354 → 1340, B=6846 → 6860 [TX006] Transfer $529: A=1340 → 811, B=6860 → 7389 [TX007] Transfer $453: A=811 → 358, B=7389 → 7842 [TX008] Transfer $528: B=7842 → 7314, A=358 → 886 [TX009] Transfer $355: A=886 → 531, B=7314 → 7669 [TX010] Transfer $132: A=531 → 399, B=7669 → 7801 [TX011] Transfer $269: B=7801 → 7532, A=399 → 668 [TX012] Transfer $56: B=7532 → 7476, A=668 → 724 [TX013] Transfer $69: A=724 → 655, B=7476 → 7545 [TX014] Transfer $463: B=7545 → 7082, A=655 → 1118 [TX015] Transfer $659: A=1118 → 459, B=7082 → 7741 [TX016] Transfer $661: B=7741 → 7080, A=459 → 1120 [TX017] Payment PAY1020: Transfer $276: A=1120 → 844, B=7080 → 7356 [TX018] Transfer $897: B=7356 → 6459, A=844 → 1741 [TX019] Transfer $602: B=6459 → 5857, A=1741 → 2343 [TX020] Transfer $315: A=2343 → 2028, B=5857 → 6172 [TX021] Transfer $594: B=6172 → 5578, A=2028 → 2622 [TX022] Transfer $109: A=2622 → 2513, B=5578 → 5687 [TX023] Transfer $699: B=5687 → 4988, A=2513 → 3212 [TX024] Transfer $387: A=3212 → 2825, B=4988 → 5375 [TX025] Transfer $831: A=2825 → 1994, B=5375 → 6206 [TX026] Transfer $729: A=1994 → 1265, B=6206 → 6935 [TX027] Transfer $276: B=6935 → 6659, A=1265 → 1541 [TX028] Transfer $853: A=1541 → 688, B=6659 → 7512 [TX029] Transfer $168: A=688 → 520, B=7512 → 7680 [TX030] Transfer $292: A=520 → 228, B=7680 → 7972 [TX031] Transfer $126: A=228 → 102, B=7972 → 8098 [TX032] Transfer $2: A=102 → 100, B=8098 → 8100 [TX033] Transfer $968: B=8100 → 7132, A=100 → 1068 [TX034] Transfer $531: A=1068 → 537, B=7132 → 7663 [TX035] Transfer $87: A=537 → 450, B=7663 → 7750 [TX036] Transfer $24: A=450 → 426, B=7750 → 7774 [TX037] Transfer $96: A=426 → 330, B=7774 → 7870 [TX038] Transfer $229: A=330 → 101, B=7870 → 8099 [TX039] Payment PAY1020: Transfer $276: A=101 → -175, B=8099 → 8375 [TX040] Balance check: A=-175 [TX041] Balance check: A=-175 [TX042] Transfer $390: B=8375 → 7985, A=-175 → 215 [TX043] Transfer $5: A=215 → 210, B=7985 → 7990 [TX044] Transfer $126: B=7990 → 7864, A=210 → 336 [TX045] Transfer $211: A=336 → 125, B=7864 → 8075 [TX046] Transfer $383: B=8075 → 7692, A=125 → 508 [TX047] Transfer $297: B=7692 → 7395, A=508 → 805 [TX048] Transfer $568: A=805 → 237, B=7395 → 7963 [TX049] Transfer $667: B=7963 → 7296, A=237 → 904 [TX050] Transfer $605: A=904 → 299, B=7296 → 7901 [TX051] Transfer $72: A=299 → 227, B=7901 → 7973 [TX052] Transfer $201: B=7973 → 7772, A=227 → 428 [TX053] Transfer $420: B=7772 → 7352, A=428 → 848 [TX054] Transfer $37: B=7352 → 7315, A=848 → 885 [TX055] Transfer $752: A=885 → 133, B=7315 → 8067 [TX056] Transfer $27: A=133 → 106, B=8067 → 8094 [TX057] Transfer $4: A=106 → 102, B=8094 → 8098 [TX058] Transfer $977: B=8098 → 7121, A=102 → 1079 [TX059] Transfer $856: B=7121 → 6265, A=1079 → 1935 [TX060] Transfer $22: A=1935 → 1913, B=6265 → 6287 [TX061] Transfer $445: A=1913 → 1468, B=6287 → 6732 [TX062] Transfer $277: B=6732 → 6455, A=1468 → 1745 [TX063] Transfer $15: A=1745 → 1730, B=6455 → 6470 [TX064] Transfer $308: B=6470 → 6162, A=1730 → 2038 [TX065] Transfer $722: A=2038 → 1316, B=6162 → 6884 [TX066] Transfer $3: A=1316 → 1313, B=6884 → 6887 [TX067] Transfer $104: B=6887 → 6783, A=1313 → 1417 [TX068] Transfer $792: B=6783 → 5991, A=1417 → 2209 [TX069] Transfer $537: B=5991 → 5454, A=2209 → 2746 [TX070] Transfer $793: A=2746 → 1953, B=5454 → 6247 [TX071] Transfer $431: A=1953 → 1522, B=6247 → 6678 [TX072] Transfer $569: A=1522 → 953, B=6678 → 7247 [TX073] Transfer $549: A=953 → 404, B=7247 → 7796 [TX074] Transfer $399: B=7796 → 7397, A=404 → 803 [TX075] Transfer $542: B=7397 → 6855, A=803 → 1345 [TX076] Transfer $573: A=1345 → 772, B=6855 → 7428 [TX077] Transfer $543: A=772 → 229, B=7428 → 7971 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	DUPLICATE_TXN	TX039	Payment PAY1020 processed twice	DUPLICATE_TXN	77	{"bug_type": "DUPLICATE_TXN", "bug_location": "TX039", "explanation": "Payment PAY1020 processed twice"}	{"bug_type": "DUPLICATE_TXN", "n_ops": 77}
37	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $962: A=4000 → 3038, B=4200 → 5162 [TX002] Transfer $95: A=3038 → 2943, B=5162 → 5257 [TX003] Transfer $243: A=2943 → 2700, B=5257 → 5500 [TX004] Transfer $744: A=2700 → 1956, B=5500 → 6244 [TX005] Transfer $170: B=6244 → 6074, A=1956 → 2126 [TX006] Transfer $436: A=2126 → 1690, B=6074 → 6510 [TX007] Transfer $312: A=1690 → 1378, B=6510 → 6822 [TX008] Transfer $992: B=6822 → 5830, A=1378 → 2370 [TX009] Transfer $885: A=2370 → 1485, B=5830 → 6715 [TX010] Transfer $975: B=6715 → 5740, A=1485 → 2460 [TX011] Transfer $388: B=5740 → 5352, A=2460 → 2848 [TX012] Transfer $453: A=2848 → 2395, B=5352 → 5805 [TX013] Transfer $780: B=5805 → 5025, A=2395 → 3175 [TX014] Transfer $22: A=3175 → 3153, B=5025 → 5047 [TX015] Transfer $876: B=5047 → 4171, A=3153 → 4029 [TX016] Transfer $611: A=4029 → 3418, B=4171 → 4782 [TX017] Transfer $265: A=3418 → 3153, B=4782 → 5047 [TX018] Transfer $315: B=5047 → 4732, A=3153 → 3468 [TX019] Transfer $386: B=4732 → 4346, A=3468 → 3854 [TX020] Transfer $343: B=4346 → 4003, A=3854 → 4197 [TX021] Transfer $202: A=4197 → 3995, B=4003 → 4205 [TX022] Transfer $6: A=3995 → 3989, B=4205 → 4211 [TX023] Transfer $505: A=3989 → 3484, B=4211 → 4716 [TX024] Transfer $964: B=4716 → 3752, A=3484 → 4448 [TX025] Transfer $395: B=3752 → 3357, A=4448 → 4843 [TX026] Transfer $658: B=3357 → 2699, A=4843 → 5502 [TX027] Transfer $945: B=2699 → 1754, A=5501 → 6446 [TX028] Transfer $956: A=6446 → 5490, B=1754 → 2710 [TX029] Transfer $783: A=5490 → 4707, B=2710 → 3493 [TX030] Transfer $791: B=3493 → 2702, A=4707 → 5498 [TX031] Transfer $652: B=2702 → 2050, A=5498 → 6150 [TX032] Transfer $668: B=2050 → 1382, A=6150 → 6818 [TX033] Transfer $755: B=1382 → 627, A=6818 → 7573 [TX034] Transfer $491: A=7573 → 7082, B=627 → 1118 [TX035] Transfer $648: A=7082 → 6434, B=1118 → 1766 [TX036] Transfer $269: A=6434 → 6165, B=1766 → 2035 [TX037] Transfer $262: B=2035 → 1773, A=6165 → 6427 [TX038] Transfer $14: A=6427 → 6413, B=1773 → 1787 [TX039] Transfer $661: A=6413 → 5752, B=1787 → 2448 [TX040] Transfer $725: B=2448 → 1723, A=5752 → 6477 [TX041] Transfer $899: A=6477 → 5578, B=1723 → 2622 [TX042] Transfer $851: B=2622 → 1771, A=5578 → 6429 [TX043] Transfer $710: B=1771 → 1061, A=6429 → 7139 [TX044] Transfer $602: B=1061 → 459, A=7139 → 7741 [TX045] Transfer $47: B=459 → 412, A=7741 → 7788 [TX046] Transfer $835: A=7788 → 6953, B=412 → 1247 [TX047] Transfer $768: A=6953 → 6185, B=1247 → 2015 [TX048] Transfer $717: A=6185 → 5468, B=2015 → 2732 [TX049] Transfer $174: B=2732 → 2558, A=5468 → 5642 [TX050] Transfer $101: B=2558 → 2457, A=5642 → 5743 [TX051] Transfer $539: A=5743 → 5204, B=2457 → 2996 [TX052] Transfer $752: B=2996 → 2244, A=5204 → 5956 [TX053] Transfer $182: B=2244 → 2062, A=5956 → 6138 [TX054] Transfer $722: B=2062 → 1340, A=6138 → 6860 [TX055] Transfer $500: A=6860 → 6360, B=1340 → 1840 [TX056] Transfer $463: A=6360 → 5897, B=1840 → 2303 [TX057] Transfer $207: A=5897 → 5690, B=2303 → 2510 [TX058] Transfer $830: A=5690 → 4860, B=2510 → 3340 [TX059] Transfer $925: A=4860 → 3935, B=3340 → 4265 [TX060] Transfer $643: B=4265 → 3622, A=3935 → 4578 [TX061] Transfer $83: A=4578 → 4495, B=3622 → 3705 [TX062] Transfer $388: B=3705 → 3317, A=4495 → 4883 [TX063] Transfer $67: A=4883 → 4816, B=3317 → 3384 [TX064] Transfer $601: B=3384 → 2783, A=4816 → 5417 [TX065] Transfer $498: A=5417 → 4919, B=2783 → 3281 [TX066] Transfer $64: A=4919 → 4855, B=3281 → 3345 [TX067] Transfer $683: B=3345 → 2662, A=4855 → 5538 [TX068] Transfer $218: A=5538 → 5320, B=2662 → 2880 [TX069] Transfer $619: A=5320 → 4701, B=2880 → 3499 [TX070] Transfer $486: B=3499 → 3013, A=4701 → 5187 [TX071] Transfer $346: B=3013 → 2667, A=5187 → 5533 [TX072] Transfer $324: B=2667 → 2343, A=5533 → 5857 [TX073] Transfer $683: A=5857 → 5174, B=2343 → 3026 [TX074] Transfer $627: B=3026 → 2399, A=5174 → 5801 [TX075] Transfer $896: A=5801 → 4905, B=2399 → 3295 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	CALC_ERROR	TX026	Mathematical calculation is incorrect	CALC_ERROR	75	{"bug_type": "CALC_ERROR", "bug_location": "TX026", "explanation": "Mathematical calculation is incorrect"}	{"bug_type": "CALC_ERROR", "n_ops": 75}
30	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $737: A=4000 → 3263, B=4200 → 4937 [TX002] Transfer $849: B=4937 → 4088, A=3263 → 4112 [TX003] Transfer $231: B=4088 → 3857, A=4112 → 4343 [TX004] Transfer $970: A=4343 → 3373, B=3857 → 4827 [TX005] Transfer $766: B=4827 → 4061, A=3373 → 4139 [TX006] Transfer $135: B=4061 → 3926, A=4139 → 4274 [TX007] Transfer $616: B=3926 → 3310, A=4274 → 4890 [TX008] Transfer $746: A=4890 → 4144, B=3310 → 4056 [TX009] Transfer $186: A=4144 → 3958, B=4056 → 4242 [TX010] Transfer $31: B=4242 → 4211, A=3958 → 3989 [TX011] Payment PAY1010: Transfer $243: B=4211 → 3968, A=3989 → 4232 [TX012] Transfer $380: B=3968 → 3588, A=4232 → 4612 [TX013] Transfer $12: B=3588 → 3576, A=4612 → 4624 [TX014] Transfer $894: B=3576 → 2682, A=4624 → 5518 [TX015] Transfer $705: B=2682 → 1977, A=5518 → 6223 [TX016] Transfer $727: A=6223 → 5496, B=1977 → 2704 [TX017] Transfer $76: B=2704 → 2628, A=5496 → 5572 [TX018] Transfer $55: A=5572 → 5517, B=2628 → 2683 [TX019] Transfer $484: B=2683 → 2199, A=5517 → 6001 [TX020] Transfer $7: B=2199 → 2192, A=6001 → 6008 [TX021] Transfer $311: B=2192 → 1881, A=6008 → 6319 [TX022] Transfer $137: B=1881 → 1744, A=6319 → 6456 [TX023] Transfer $268: A=6456 → 6188, B=1744 → 2012 [TX024] Transfer $954: A=6188 → 5234, B=2012 → 2966 [TX025] Transfer $137: B=2966 → 2829, A=5234 → 5371 [TX026] Transfer $729: A=5371 → 4642, B=2829 → 3558 [TX027] Transfer $268: B=3558 → 3290, A=4642 → 4910 [TX028] Transfer $47: A=4910 → 4863, B=3290 → 3337 [TX029] Transfer $894: A=4863 → 3969, B=3337 → 4231 [TX030] Transfer $950: B=4231 → 3281, A=3969 → 4919 [TX031] Transfer $926: B=3281 → 2355, A=4919 → 5845 [TX032] Transfer $531: B=2355 → 1824, A=5845 → 6376 [TX033] Transfer $916: B=1824 → 908, A=6376 → 7292 [TX034] Transfer $756: A=7292 → 6536, B=908 → 1664 [TX035] Transfer $571: B=1664 → 1093, A=6536 → 7107 [TX036] Transfer $195: B=1093 → 898, A=7107 → 7302 [TX037] Transfer $237: A=7302 → 7065, B=898 → 1135 [TX038] Transfer $483: A=7065 → 6582, B=1135 → 1618 [TX039] Transfer $724: B=1618 → 894, A=6582 → 7306 [TX040] Transfer $120: B=894 → 774, A=7306 → 7426 [TX041] Transfer $454: B=774 → 320, A=7426 → 7880 [TX042] Transfer $119: B=320 → 201, A=7880 → 7999 [TX043] Transfer $94: B=201 → 107, A=7999 → 8093 [TX044] Transfer $359: A=8093 → 7734, B=107 → 466 [TX045] Transfer $891: A=7734 → 6843, B=466 → 1357 [TX046] Transfer $856: B=1357 → 501, A=6843 → 7699 [TX047] Transfer $578: A=7699 → 7121, B=501 → 1079 [TX048] Payment PAY1010: Transfer $243: B=1079 → 836, A=7121 → 7364 [TX049] Transfer $540: A=7364 → 6824, B=836 → 1376 [TX050] Transfer $944: A=6824 → 5880, B=1376 → 2320 [TX051] Transfer $788: A=5880 → 5092, B=2320 → 3108 [TX052] Transfer $910: B=3108 → 2198, A=5092 → 6002 [TX053] Transfer $293: B=2198 → 1905, A=6002 → 6295 [TX054] Transfer $384: A=6295 → 5911, B=1905 → 2289 [TX055] Transfer $159: A=5911 → 5752, B=2289 → 2448 [TX056] Transfer $473: A=5752 → 5279, B=2448 → 2921 [TX057] Transfer $645: B=2921 → 2276, A=5279 → 5924 [TX058] Transfer $339: B=2276 → 1937, A=5924 → 6263 [TX059] Transfer $334: A=6263 → 5929, B=1937 → 2271 [TX060] Transfer $885: A=5929 → 5044, B=2271 → 3156 [TX061] Transfer $332: A=5044 → 4712, B=3156 → 3488 [TX062] Transfer $562: A=4712 → 4150, B=3488 → 4050 [TX063] Transfer $410: B=4050 → 3640, A=4150 → 4560 [TX064] Transfer $247: B=3640 → 3393, A=4560 → 4807 [TX065] Transfer $23: B=3393 → 3370, A=4807 → 4830 [TX066] Transfer $399: A=4830 → 4431, B=3370 → 3769 [TX067] Transfer $664: B=3769 → 3105, A=4431 → 5095 [TX068] Transfer $307: A=5095 → 4788, B=3105 → 3412 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	DUPLICATE_TXN	TX048	Payment PAY1010 processed twice	DUPLICATE_TXN	68	{"bug_type": "DUPLICATE_TXN", "bug_location": "TX048", "explanation": "Payment PAY1010 processed twice"}	{"bug_type": "DUPLICATE_TXN", "n_ops": 68}
21	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $636: A=4000 → 3364, B=4200 → 4836 [TX002] Transfer $330: B=4836 → 4506, A=3364 → 3694 [TX003] Transfer $196: A=3694 → 3498, B=4506 → 4702 [TX004] Transfer $629: B=4702 → 4073, A=3498 → 4127 [TX005] Transfer $421: B=4073 → 3652, A=4127 → 4548 [TX006] Transfer $100: B=3652 → 3552, A=4548 → 4648 [TX007] Transfer $857: A=4648 → 3791, B=3552 → 4409 [TX008] Transfer $896: A=3791 → 2895, B=4409 → 5305 [TX009] Transfer $111: A=2895 → 2784, B=5305 → 5416 [TX010] Transfer $103: B=5416 → 5313, A=2784 → 2887 [TX011] Transfer $675: A=2887 → 2212, B=5313 → 5988 [TX012] Transfer $52: B=5988 → 5936, A=2212 → 2264 [TX013] Transfer $622: B=5936 → 5314, A=2264 → 2886 [TX014] Transfer $954: A=2886 → 1932, B=5314 → 6268 [TX015] Transfer $952: A=1932 → 980, B=6268 → 7220 [TX016] Transfer $822: A=980 → 158, B=7220 → 8042 [TX017] Transfer $37: A=158 → 121, B=8042 → 8079 [TX018] Transfer $815: B=8079 → 7264, A=121 → 936 [TX019] Transfer $543: A=936 → 393, B=7264 → 7807 [TX020] Transfer $157: A=393 → 236, B=7807 → 7964 [TX021] Transfer $134: A=236 → 102, B=7964 → 8098 [TX022] Transfer $2: A=102 → 100, B=8098 → 8100 [TX023] Transfer $199: B=8100 → 7901, A=100 → 299 [TX024] Transfer $144: A=299 → 155, B=7901 → 8045 [TX025] Transfer $786: B=8045 → 7259, A=155 → 941 [TX026] Transfer $721: B=7259 → 6538, A=941 → 1662 [TX027] Transfer $172: B=6538 → 6366, A=1662 → 1834 [TX028] Transfer $518: A=1834 → 1316, B=6366 → 6884 [TX029] Transfer $548: B=6884 → 6336, A=1316 → 1864 [TX030] Transfer $926: B=6336 → 5410, A=1864 → 2790 [TX031] Transfer $867: B=5410 → 4543, A=2790 → 3657 [TX032] Transfer $784: B=4543 → 3759, A=3657 → 4441 [TX033] Payment PAY1006: Transfer $625: B=3759 → 3134, A=4441 → 5066 [TX034] Transfer $386: A=5066 → 4680, B=3134 → 3520 [TX035] Transfer $986: B=3520 → 2534, A=4680 → 5666 [TX036] Transfer $984: B=2534 → 1550, A=5666 → 6650 [TX037] Transfer $745: B=1550 → 805, A=6650 → 7395 [TX038] Transfer $612: A=7395 → 6783, B=805 → 1417 [TX039] Transfer $913: A=6783 → 5870, B=1417 → 2330 [TX040] Transfer $309: B=2330 → 2021, A=5870 → 6179 [TX041] Transfer $878: A=6179 → 5301, B=2021 → 2899 [TX042] Transfer $792: B=2899 → 2107, A=5301 → 6093 [TX043] Transfer $98: B=2107 → 2009, A=6093 → 6191 [TX044] Transfer $366: A=6191 → 5825, B=2009 → 2375 [TX045] Transfer $273: A=5825 → 5552, B=2375 → 2648 [TX046] Transfer $240: B=2648 → 2408, A=5552 → 5792 [TX047] Transfer $96: B=2408 → 2312, A=5792 → 5888 [TX048] Transfer $753: B=2312 → 1559, A=5888 → 6641 [TX049] Transfer $813: A=6641 → 5828, B=1559 → 2372 [TX050] Transfer $501: B=2372 → 1871, A=5828 → 6329 [TX051] Transfer $40: A=6329 → 6289, B=1871 → 1911 [TX052] Transfer $800: B=1911 → 1111, A=6289 → 7089 [TX053] Transfer $358: A=7089 → 6731, B=1111 → 1469 [TX054] Transfer $954: B=1469 → 515, A=6731 → 7685 [TX055] Transfer $767: A=7685 → 6918, B=515 → 1282 [TX056] Transfer $57: A=6918 → 6861, B=1282 → 1339 [TX057] Transfer $328: B=1339 → 1011, A=6861 → 7189 [TX058] Payment PAY1006: Transfer $625: B=1011 → 386, A=7189 → 7814 [TX059] Transfer $516: A=7814 → 7298, B=386 → 902 [TX060] Transfer $53: A=7298 → 7245, B=902 → 955 [TX061] Transfer $772: B=955 → 183, A=7245 → 8017 [TX062] Transfer $444: A=8017 → 7573, B=183 → 627 [TX063] Transfer $153: B=627 → 474, A=7573 → 7726 [TX064] Transfer $86: A=7726 → 7640, B=474 → 560 [TX065] Transfer $282: B=560 → 278, A=7640 → 7922 [TX066] Transfer $23: B=278 → 255, A=7922 → 7945 [TX067] Transfer $35: B=255 → 220, A=7945 → 7980 [TX068] Transfer $574: A=7980 → 7406, B=220 → 794 [TX069] Transfer $406: A=7406 → 7000, B=794 → 1200 [TX070] Transfer $250: A=7000 → 6750, B=1200 → 1450 [TX071] Transfer $797: A=6750 → 5953, B=1450 → 2247 [TX072] Transfer $703: B=2247 → 1544, A=5953 → 6656 [TX073] Transfer $689: A=6656 → 5967, B=1544 → 2233 [TX074] Transfer $376: B=2233 → 1857, A=5967 → 6343 [TX075] Transfer $330: B=1857 → 1527, A=6343 → 6673 [TX076] Transfer $790: B=1527 → 737, A=6673 → 7463 [TX077] Transfer $360: B=737 → 377, A=7463 → 7823 [TX078] Transfer $227: B=377 → 150, A=7823 → 8050 [TX079] Transfer $206: A=8050 → 7844, B=150 → 356 [TX080] Transfer $195: B=356 → 161, A=7844 → 8039 [TX081] Transfer $759: A=8039 → 7280, B=161 → 920 [TX082] Transfer $973: A=7280 → 6307, B=920 → 1893 [TX083] Transfer $16: A=6307 → 6291, B=1893 → 1909 [TX084] Transfer $314: B=1909 → 1595, A=6291 → 6605 [TX085] Transfer $25: B=1595 → 1570, A=6605 → 6630 [TX086] Transfer $759: B=1570 → 811, A=6630 → 7389 [TX087] Transfer $561: A=7389 → 6828, B=811 → 1372 [TX088] Transfer $639: B=1372 → 733, A=6828 → 7467 [TX089] Transfer $387: A=7467 → 7080, B=733 → 1120 [TX090] Transfer $176: A=7080 → 6904, B=1120 → 1296 [TX091] Transfer $207: A=6904 → 6697, B=1296 → 1503 [TX092] Transfer $478: B=1503 → 1025, A=6697 → 7175 [TX093] Transfer $399: A=7175 → 6776, B=1025 → 1424 [TX094] Transfer $887: B=1424 → 537, A=6776 → 7663 [TX095] Transfer $301: A=7663 → 7362, B=537 → 838 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	DUPLICATE_TXN	TX058	Payment PAY1006 processed twice	DUPLICATE_TXN	95	{"bug_type": "DUPLICATE_TXN", "bug_location": "TX058", "explanation": "Payment PAY1006 processed twice"}	{"bug_type": "DUPLICATE_TXN", "n_ops": 95}
32	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $274: A=4000 → 3726, B=4200 → 4474 [TX002] Transfer $371: B=4474 → 4103, A=3726 → 4097 [TX003] Transfer $773: A=4097 → 3324, B=4103 → 4876 [TX004] Transfer $143: B=4876 → 4733, A=3324 → 3467 [TX005] Transfer $942: B=4733 → 3791, A=3467 → 4409 [TX006] Transfer $976: B=3791 → 2815, A=4409 → 5385 [TX007] Transfer $455: B=2815 → 2360, A=5385 → 5840 [TX008] Transfer $736: A=5840 → 5104, B=2360 → 3096 [TX009] Transfer $348: A=5104 → 4756, B=3096 → 3444 [TX010] Transfer $792: B=3444 → 2652, A=4756 → 5548 [TX011] Transfer $64: A=5548 → 5484, B=2652 → 2716 [TX012] Transfer $678: B=2716 → 2038, A=5484 → 6162 [TX013] Transfer $648: A=6162 → 5514, B=2038 → 2686 [TX014] Transfer $413: B=2686 → 2273, A=5514 → 5927 [TX015] Transfer $933: B=2273 → 1340, A=5927 → 6860 [TX016] Transfer $848: B=1340 → 492, A=6860 → 7708 [TX017] Transfer $360: B=492 → 132, A=7708 → 8068 [TX018] Transfer $22: B=132 → 110, A=8068 → 8090 [TX019] Transfer $716: A=8090 → 7374, B=110 → 826 [TX020] Transfer $204: B=826 → 622, A=7374 → 7578 [TX021] Transfer $39: B=622 → 583, A=7578 → 7617 [TX022] Payment PAY1012: Transfer $187: B=583 → 396, A=7617 → 7804 [TX023] Transfer $220: A=7804 → 7584, B=396 → 616 [TX024] Transfer $535: A=7584 → 7049, B=616 → 1151 [TX025] Transfer $25: B=1151 → 1126, A=7049 → 7074 [TX026] Transfer $249: A=7074 → 6825, B=1126 → 1375 [TX027] Transfer $519: B=1375 → 856, A=6825 → 7344 [TX028] Transfer $863: A=7344 → 6481, B=856 → 1719 [TX029] Transfer $644: B=1719 → 1075, A=6481 → 7125 [TX030] Transfer $50: B=1075 → 1025, A=7125 → 7175 [TX031] Transfer $307: A=7175 → 6868, B=1025 → 1332 [TX032] Transfer $349: A=6868 → 6519, B=1332 → 1681 [TX033] Transfer $360: A=6519 → 6159, B=1681 → 2041 [TX034] Transfer $684: B=2041 → 1357, A=6159 → 6843 [TX035] Transfer $534: A=6843 → 6309, B=1357 → 1891 [TX036] Transfer $337: A=6309 → 5972, B=1891 → 2228 [TX037] Transfer $467: A=5972 → 5505, B=2228 → 2695 [TX038] Transfer $730: A=5505 → 4775, B=2695 → 3425 [TX039] Transfer $85: B=3425 → 3340, A=4775 → 4860 [TX040] Transfer $437: A=4860 → 4423, B=3340 → 3777 [TX041] Payment PAY1012: Transfer $187: B=3777 → 3590, A=4423 → 4610 [TX042] Transfer $221: A=4610 → 4389, B=3590 → 3811 [TX043] Transfer $380: B=3811 → 3431, A=4389 → 4769 [TX044] Transfer $894: B=3431 → 2537, A=4769 → 5663 [TX045] Transfer $653: B=2537 → 1884, A=5663 → 6316 [TX046] Transfer $707: B=1884 → 1177, A=6316 → 7023 [TX047] Transfer $845: B=1177 → 332, A=7023 → 7868 [TX048] Transfer $519: A=7868 → 7349, B=332 → 851 [TX049] Transfer $730: A=7349 → 6619, B=851 → 1581 [TX050] Transfer $993: B=1581 → 588, A=6619 → 7612 [TX051] Transfer $468: A=7612 → 7144, B=588 → 1056 [TX052] Transfer $766: B=1056 → 290, A=7144 → 7910 [TX053] Transfer $945: A=7910 → 6965, B=290 → 1235 [TX054] Transfer $114: A=6965 → 6851, B=1235 → 1349 [TX055] Transfer $587: A=6851 → 6264, B=1349 → 1936 [TX056] Transfer $537: B=1936 → 1399, A=6264 → 6801 [TX057] Transfer $382: A=6801 → 6419, B=1399 → 1781 [TX058] Transfer $312: B=1781 → 1469, A=6419 → 6731 [TX059] Transfer $30: B=1469 → 1439, A=6731 → 6761 [TX060] Transfer $804: A=6761 → 5957, B=1439 → 2243 [TX061] Transfer $961: B=2243 → 1282, A=5957 → 6918 [TX062] Transfer $222: B=1282 → 1060, A=6918 → 7140 [TX063] Transfer $4: A=7140 → 7136, B=1060 → 1064 [TX064] Transfer $71: A=7136 → 7065, B=1064 → 1135 [TX065] Transfer $494: A=7065 → 6571, B=1135 → 1629 [TX066] Transfer $923: B=1629 → 706, A=6571 → 7494 [TX067] Transfer $488: B=706 → 218, A=7494 → 7982 [TX068] Transfer $518: A=7982 → 7464, B=218 → 736 [TX069] Transfer $461: B=736 → 275, A=7464 → 7925 [TX070] Transfer $93: A=7925 → 7832, B=275 → 368 [TX071] Transfer $121: B=368 → 247, A=7832 → 7953 [TX072] Transfer $140: B=247 → 107, A=7953 → 8093 [TX073] Transfer $755: A=8093 → 7338, B=107 → 862 [TX074] Transfer $171: B=862 → 691, A=7338 → 7509 [TX075] Transfer $576: A=7509 → 6933, B=691 → 1267 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	DUPLICATE_TXN	TX041	Payment PAY1012 processed twice	DUPLICATE_TXN	75	{"bug_type": "DUPLICATE_TXN", "bug_location": "TX041", "explanation": "Payment PAY1012 processed twice"}	{"bug_type": "DUPLICATE_TXN", "n_ops": 75}
96	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $850: A=4000 → 3150, B=4200 → 5050 [TX002] Transfer $62: A=3150 → 3088, B=5050 → 5112 [TX003] Transfer $785: B=5112 → 4327, A=3088 → 3873 [TX004] Transfer $701: A=3873 → 3172, B=4327 → 5028 [TX005] Transfer $418: B=5028 → 4610, A=3172 → 3590 [TX006] Transfer $193: B=4610 → 4417, A=3590 → 3783 [TX007] Transfer $413: A=3783 → 3370, B=4417 → 4830 [TX008] Transfer $487: A=3370 → 2883, B=4830 → 5317 [TX009] Transfer $787: A=2883 → 2096, B=5317 → 6104 [TX010] Transfer $504: A=2096 → 1592, B=6104 → 6608 [TX011] Transfer $430: A=1592 → 1162, B=6608 → 7038 [TX012] Transfer $793: B=7038 → 6245, A=1162 → 1955 [TX013] Transfer $94: A=1955 → 1861, B=6245 → 6339 [TX014] Transfer $548: B=6339 → 5791, A=1861 → 2409 [TX015] Transfer $627: B=5791 → 5164, A=2409 → 3036 [TX016] Transfer $416: B=5164 → 4748, A=3036 → 3452 [TX017] Transfer $32: B=4748 → 4716, A=3452 → 3484 [TX018] Transfer $997: A=3484 → 2487, B=4716 → 5713 [TX019] Transfer $982: A=2487 → 1505, B=5713 → 6695 [TX020] Transfer $705: B=6695 → 5990, A=1505 → 2210 [TX021] Transfer $291: A=2210 → 1919, B=5990 → 6281 [TX022] Transfer $462: B=6281 → 5819, A=1919 → 2381 [TX023] Transfer $615: A=2381 → 1766, B=5819 → 6434 [TX024] Transfer $633: A=1766 → 1133, B=6434 → 7067 [TX025] Transfer $196: B=7067 → 6871, A=1133 → 1329 [TX026] Transfer $266: A=1329 → 1063, B=6871 → 7137 [TX027] Transfer $239: A=1063 → 824, B=7137 → 7376 [TX028] Transfer $833: B=7376 → 6543, A=824 → 1657 [TX029] Transfer $803: A=1657 → 854, B=6543 → 7346 [TX030] Transfer $744: A=854 → 110, B=7346 → 8090 [TX031] Transfer $9: A=110 → 101, B=8090 → 8099 [TX032] Balance check: A=101 [TX033] Transfer $681: B=8099 → 7418, A=101 → 782 [TX034] Transfer $353: A=782 → 429, B=7418 → 7771 [TX035] Transfer $196: A=429 → 233, B=7771 → 7967 [TX036] Transfer $924: B=7967 → 7043, A=233 → 1157 [TX037] Transfer $3: A=1157 → 1154, B=7043 → 7046 [TX038] Transfer $795: A=1154 → 359, B=7046 → 7841 [TX039] Transfer $245: A=359 → 114, B=7841 → 8086 [TX040] Transfer $8: A=114 → 106, B=8086 → 8094 [TX041] Payment PAY1025: Transfer $458: B=8094 → 7636, A=106 → 564 [TX042] Transfer $17: A=564 → 547, B=7636 → 7653 [TX043] Transfer $234: A=547 → 313, B=7653 → 7887 [TX044] Transfer $40: A=313 → 273, B=7887 → 7927 [TX045] Transfer $142: A=273 → 131, B=7927 → 8069 [TX046] Transfer $28: A=131 → 103, B=8069 → 8097 [TX047] Transfer $772: B=8097 → 7325, A=103 → 875 [TX048] Transfer $470: A=875 → 405, B=7325 → 7795 [TX049] Transfer $291: A=405 → 114, B=7795 → 8086 [TX050] Transfer $12: A=114 → 102, B=8086 → 8098 [TX051] Transfer $79: B=8098 → 8019, A=102 → 181 [TX052] Transfer $435: B=8019 → 7584, A=181 → 616 [TX053] Transfer $114: A=616 → 502, B=7584 → 7698 [TX054] Transfer $209: A=502 → 293, B=7698 → 7907 [TX055] Transfer $17: B=7907 → 7890, A=293 → 310 [TX056] Transfer $6: A=310 → 304, B=7890 → 7896 [TX057] Transfer $118: A=304 → 186, B=7896 → 8014 [TX058] Transfer $55: A=186 → 131, B=8014 → 8069 [TX059] Transfer $10: A=131 → 121, B=8069 → 8079 [TX060] Transfer $335: B=8079 → 7744, A=121 → 456 [TX061] Payment PAY1025: Transfer $458: B=7744 → 7286, A=456 → 914 [TX062] Transfer $659: B=7286 → 6627, A=914 → 1573 [TX063] Transfer $536: B=6627 → 6091, A=1573 → 2109 [TX064] Transfer $85: B=6091 → 6006, A=2109 → 2194 [TX065] Transfer $755: A=2194 → 1439, B=6006 → 6761 [TX066] Transfer $307: B=6761 → 6454, A=1439 → 1746 [TX067] Transfer $222: A=1746 → 1524, B=6454 → 6676 [TX068] Transfer $601: B=6676 → 6075, A=1524 → 2125 [TX069] Transfer $981: A=2125 → 1144, B=6075 → 7056 [TX070] Transfer $374: A=1144 → 770, B=7056 → 7430 [TX071] Transfer $189: A=770 → 581, B=7430 → 7619 [TX072] Transfer $416: B=7619 → 7203, A=581 → 997 [TX073] Transfer $626: A=997 → 371, B=7203 → 7829 [TX074] Transfer $2: B=7829 → 7827, A=371 → 373 [TX075] Transfer $126: A=373 → 247, B=7827 → 7953 [TX076] Transfer $138: B=7953 → 7815, A=247 → 385 [TX077] Transfer $362: B=7815 → 7453, A=385 → 747 [TX078] Transfer $717: B=7453 → 6736, A=747 → 1464 [TX079] Transfer $515: B=6736 → 6221, A=1464 → 1979 [TX080] Transfer $810: A=1979 → 1169, B=6221 → 7031 [TX081] Transfer $697: B=7031 → 6334, A=1169 → 1866 [TX082] Transfer $896: A=1866 → 970, B=6334 → 7230 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	DUPLICATE_TXN	TX061	Payment PAY1025 processed twice	DUPLICATE_TXN	82	{"bug_type": "DUPLICATE_TXN", "bug_location": "TX061", "explanation": "Payment PAY1025 processed twice"}	{"bug_type": "DUPLICATE_TXN", "n_ops": 82}
80	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $990: A=4000 → 3010, B=4200 → 5190 [TX002] Transfer $203: B=5190 → 4987, A=3010 → 3213 [TX003] Transfer $736: B=4987 → 4251, A=3213 → 3949 [TX004] Transfer $354: A=3949 → 3595, B=4251 → 4605 [TX005] Transfer $664: A=3595 → 2931, B=4605 → 5269 [TX006] Transfer $466: B=5269 → 4803, A=2931 → 3397 [TX007] Transfer $868: A=3397 → 2529, B=4803 → 5671 [TX008] Transfer $139: A=2529 → 2390, B=5671 → 5810 [TX009] Transfer $92: B=5810 → 5718, A=2390 → 2482 [TX010] Transfer $263: B=5718 → 5455, A=2482 → 2745 [TX011] Transfer $683: A=2745 → 2062, B=5455 → 6138 [TX012] Transfer $965: A=2062 → 1097, B=6138 → 7103 [TX013] Transfer $691: B=7103 → 6412, A=1097 → 1788 [TX014] Transfer $697: A=1788 → 1091, B=6412 → 7109 [TX015] Transfer $973: A=1091 → 118, B=7109 → 8082 [TX016] Transfer $6: A=118 → 112, B=8082 → 8088 [TX017] Payment PAY1021: Transfer $2: A=112 → 110, B=8088 → 8090 [TX018] Transfer $227: B=8090 → 7863, A=110 → 337 [TX019] Transfer $208: A=337 → 129, B=7863 → 8071 [TX020] Transfer $25: A=129 → 104, B=8071 → 8096 [TX021] Transfer $999: B=8096 → 7097, A=104 → 1103 [TX022] Transfer $684: A=1103 → 419, B=7097 → 7781 [TX023] Transfer $274: A=419 → 145, B=7781 → 8055 [TX024] Transfer $17: A=145 → 128, B=8055 → 8072 [TX025] Transfer $974: B=8072 → 7098, A=128 → 1102 [TX026] Transfer $81: A=1102 → 1021, B=7098 → 7179 [TX027] Transfer $870: A=1021 → 151, B=7179 → 8049 [TX028] Transfer $30: B=8049 → 8019, A=151 → 181 [TX029] Transfer $380: B=8019 → 7639, A=181 → 561 [TX030] Transfer $940: B=7639 → 6699, A=561 → 1501 [TX031] Transfer $340: B=6699 → 6359, A=1501 → 1841 [TX032] Transfer $602: B=6359 → 5757, A=1841 → 2443 [TX033] Transfer $971: B=5757 → 4786, A=2443 → 3414 [TX034] Transfer $992: A=3414 → 2422, B=4786 → 5778 [TX035] Transfer $381: A=2422 → 2041, B=5778 → 6159 [TX036] Transfer $404: B=6159 → 5755, A=2041 → 2445 [TX037] Transfer $987: B=5755 → 4768, A=2445 → 3432 [TX038] Transfer $215: A=3432 → 3217, B=4768 → 4983 [TX039] Transfer $82: B=4983 → 4901, A=3217 → 3299 [TX040] Transfer $294: A=3299 → 3005, B=4901 → 5195 [TX041] Transfer $550: B=5195 → 4645, A=3005 → 3555 [TX042] Transfer $949: A=3555 → 2606, B=4645 → 5594 [TX043] Transfer $836: B=5594 → 4758, A=2606 → 3442 [TX044] Transfer $780: B=4758 → 3978, A=3442 → 4222 [TX045] Transfer $332: B=3978 → 3646, A=4222 → 4554 [TX046] Transfer $408: B=3646 → 3238, A=4554 → 4962 [TX047] Transfer $188: B=3238 → 3050, A=4962 → 5150 [TX048] Transfer $15: A=5150 → 5135, B=3050 → 3065 [TX049] Transfer $141: B=3065 → 2924, A=5135 → 5276 [TX050] Transfer $797: A=5276 → 4479, B=2924 → 3721 [TX051] Transfer $187: A=4479 → 4292, B=3721 → 3908 [TX052] Transfer $957: B=3908 → 2951, A=4292 → 5249 [TX053] Transfer $685: B=2951 → 2266, A=5249 → 5934 [TX054] Transfer $255: B=2266 → 2011, A=5934 → 6189 [TX055] Transfer $838: A=6189 → 5351, B=2011 → 2849 [TX056] Payment PAY1021: Transfer $2: A=5351 → 5349, B=2849 → 2851 [TX057] Transfer $797: A=5349 → 4552, B=2851 → 3648 [TX058] Transfer $220: B=3648 → 3428, A=4552 → 4772 [TX059] Transfer $582: A=4772 → 4190, B=3428 → 4010 [TX060] Transfer $675: B=4010 → 3335, A=4190 → 4865 [TX061] Transfer $108: B=3335 → 3227, A=4865 → 4973 [TX062] Transfer $548: A=4973 → 4425, B=3227 → 3775 [TX063] Transfer $964: A=4425 → 3461, B=3775 → 4739 [TX064] Transfer $147: B=4739 → 4592, A=3461 → 3608 [TX065] Transfer $379: A=3608 → 3229, B=4592 → 4971 [TX066] Transfer $940: B=4971 → 4031, A=3229 → 4169 [TX067] Transfer $162: B=4031 → 3869, A=4169 → 4331 [TX068] Transfer $837: A=4331 → 3494, B=3869 → 4706 [TX069] Transfer $445: B=4706 → 4261, A=3494 → 3939 [TX070] Transfer $275: B=4261 → 3986, A=3939 → 4214 [TX071] Transfer $117: B=3986 → 3869, A=4214 → 4331 [TX072] Transfer $660: B=3869 → 3209, A=4331 → 4991 [TX073] Transfer $710: A=4991 → 4281, B=3209 → 3919 [TX074] Transfer $898: B=3919 → 3021, A=4281 → 5179 [TX075] Transfer $928: A=5179 → 4251, B=3021 → 3949 [TX076] Transfer $465: B=3949 → 3484, A=4251 → 4716 [TX077] Transfer $411: A=4716 → 4305, B=3484 → 3895 [TX078] Transfer $194: B=3895 → 3701, A=4305 → 4499 [TX079] Transfer $5: A=4499 → 4494, B=3701 → 3706 [TX080] Transfer $934: A=4494 → 3560, B=3706 → 4640 [TX081] Transfer $949: A=3560 → 2611, B=4640 → 5589 [TX082] Transfer $835: B=5589 → 4754, A=2611 → 3446 [TX083] Transfer $27: B=4754 → 4727, A=3446 → 3473 [TX084] Transfer $666: B=4727 → 4061, A=3473 → 4139 [TX085] Transfer $27: A=4139 → 4112, B=4061 → 4088 [TX086] Transfer $878: A=4112 → 3234, B=4088 → 4966 [TX087] Transfer $69: A=3234 → 3165, B=4966 → 5035 [TX088] Transfer $329: B=5035 → 4706, A=3165 → 3494 [TX089] Transfer $124: B=4706 → 4582, A=3494 → 3618 [TX090] Transfer $620: B=4582 → 3962, A=3618 → 4238 [TX091] Transfer $992: B=3962 → 2970, A=4238 → 5230 [TX092] Transfer $783: A=5230 → 4447, B=2970 → 3753 [TX093] Transfer $508: B=3753 → 3245, A=4447 → 4955 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	DUPLICATE_TXN	TX056	Payment PAY1021 processed twice	DUPLICATE_TXN	93	{"bug_type": "DUPLICATE_TXN", "bug_location": "TX056", "explanation": "Payment PAY1021 processed twice"}	{"bug_type": "DUPLICATE_TXN", "n_ops": 93}
49	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $466: B=4200 → 3734, A=4000 → 4466 [TX002] Transfer $915: A=4466 → 3551, B=3734 → 4649 [TX003] Transfer $104: A=3551 → 3447, B=4649 → 4753 [TX004] Transfer $863: B=4753 → 3890, A=3447 → 4310 [TX005] Transfer $253: A=4310 → 4057, B=3890 → 4143 [TX006] Transfer $895: A=4057 → 3162, B=4143 → 5038 [TX007] Transfer $273: A=3162 → 2889, B=5038 → 5311 [TX008] Transfer $498: B=5311 → 4813, A=2889 → 3387 [TX009] Transfer $291: A=3387 → 3096, B=4813 → 5104 [TX010] Transfer $652: A=3096 → 2444, B=5104 → 5756 [TX011] Transfer $5: A=2444 → 2439, B=5756 → 5761 [TX012] Transfer $504: B=5761 → 5257, A=2439 → 2943 [TX013] Transfer $41: A=2943 → 2902, B=5257 → 5298 [TX014] Transfer $630: B=5298 → 4668, A=2902 → 3532 [TX015] Transfer $655: B=4668 → 4013, A=3532 → 4187 [TX016] Transfer $545: B=4013 → 3468, A=4187 → 4732 [TX017] Transfer $862: A=4732 → 3870, B=3468 → 4330 [TX018] Transfer $686: A=3870 → 3184, B=4330 → 5016 [TX019] Transfer $817: B=5016 → 4199, A=3184 → 4001 [TX020] Transfer $558: B=4199 → 3641, A=4001 → 4559 [TX021] Transfer $100: B=3641 → 3541, A=4559 → 4659 [TX022] Transfer $988: A=4659 → 3671, B=3541 → 4529 [TX023] Transfer $994: B=4529 → 3535, A=3671 → 4665 [TX024] Transfer $255: B=3535 → 3280, A=4665 → 4920 [TX025] Transfer $182: B=3280 → 3098, A=4920 → 5102 [TX026] Transfer $678: B=3098 → 2420, A=5102 → 5780 [TX027] Transfer $715: A=5780 → 5065, B=2420 → 3135 [TX028] Transfer $794: B=3135 → 2341, A=5065 → 5859 [TX029] Transfer $617: B=2341 → 1724, A=5859 → 6476 [TX030] Transfer $31: B=1724 → 1693, A=6476 → 6507 [TX031] Transfer $521: B=1693 → 1172, A=6507 → 7028 [TX032] Transfer $64: A=7028 → 6964, B=1172 → 1236 [TX033] Transfer $693: B=1236 → 543, A=6964 → 7657 [TX034] Transfer $202: B=543 → 341, A=7657 → 7859 [TX035] Transfer $104: B=341 → 237, A=7859 → 7963 [TX036] Transfer $70: B=237 → 167, A=7963 → 8033 [TX037] Transfer $45: B=167 → 122, A=8033 → 8078 [TX038] Transfer $460: A=8078 → 7618, B=122 → 582 [TX039] Transfer $295: B=582 → 287, A=7618 → 7913 [TX040] Transfer $800: A=7913 → 7113, B=287 → 1087 [TX041] Transfer $134: A=7113 → 6979, B=1087 → 1221 [TX042] Transfer $823: A=6979 → 6156, B=1221 → 2044 [TX043] Transfer $801: B=2044 → 1243, A=6156 → 6957 [TX044] Transfer $787: B=1243 → 456, A=6957 → 7744 [TX045] Transfer $533: A=7744 → 7211, B=456 → 989 [TX046] Transfer $550: A=7211 → 6661, B=989 → 1539 [TX047] Transfer $860: A=6661 → 5801, B=1539 → 2399 [TX048] Transfer $299: B=2399 → 2100, A=5801 → 6100 [TX049] Transfer $341: A=6100 → 5759, B=2100 → 2441 [TX050] Transfer $568: B=2441 → 1873, A=5759 → 6327 [TX051] Transfer $38: A=6327 → 6289, B=1873 → 1911 [TX052] Transfer $515: A=6289 → 5774, B=1911 → 2426 [TX053] Transfer $45: B=2426 → 2381, A=5774 → 5819 [TX054] Transfer $310: A=5819 → 5509, B=2381 → 2691 [TX055] Transfer $648: A=5509 → 4861, B=2691 → 3339 [TX056] Transfer $280: A=4861 → 4581, B=3339 → 3619 [TX057] Transfer $673: A=4581 → 3908, B=3619 → 4292 [TX058] Transfer $839: B=4292 → 3453, A=3908 → 4747 [TX059] Transfer $80: B=3453 → 3373, A=4747 → 4827 [TX060] Transfer $22: A=4827 → 4805, B=3373 → 3395 [TX061] Transfer $99: A=4805 → 4706, B=3395 → 3494 [TX062] Transfer $853: B=3494 → 2641, A=4706 → 5559 [TX063] Transfer $437: B=2641 → 2204, A=5559 → 5996 [TX064] Transfer $282: A=5996 → 5714, B=2204 → 2486 [TX065] Transfer $104: B=2486 → 2382, A=5714 → 5818 [TX066] Transfer $2395: B=2382 → -13, A=5818 → 8213 [TX067] Balance check: B=-13 [TX068] Transfer $992: A=8213 → 7221, B=-13 → 979 [TX069] Transfer $496: B=979 → 483, A=7221 → 7717 [TX070] Transfer $197: B=483 → 286, A=7717 → 7914 [TX071] Transfer $747: A=7914 → 7167, B=286 → 1033 [TX072] Transfer $783: B=1033 → 250, A=7167 → 7950 [TX073] Transfer $231: A=7950 → 7719, B=250 → 481 [TX074] Transfer $791: A=7719 → 6928, B=481 → 1272 [TX075] Transfer $380: A=6928 → 6548, B=1272 → 1652 [TX076] Transfer $660: B=1652 → 992, A=6548 → 7208 [TX077] Transfer $149: B=992 → 843, A=7208 → 7357 [TX078] Transfer $576: A=7357 → 6781, B=843 → 1419 [TX079] Transfer $887: A=6781 → 5894, B=1419 → 2306 [TX080] Transfer $87: B=2306 → 2219, A=5894 → 5981 [TX081] Transfer $633: A=5981 → 5348, B=2219 → 2852 [TX082] Transfer $62: B=2852 → 2790, A=5348 → 5410 [TX083] Transfer $423: B=2790 → 2367, A=5410 → 5833 [TX084] Transfer $856: B=2367 → 1511, A=5833 → 6689 [TX085] Transfer $331: A=6689 → 6358, B=1511 → 1842 [TX086] Transfer $276: B=1842 → 1566, A=6358 → 6634 [TX087] Transfer $560: A=6634 → 6074, B=1566 → 2126 [TX088] Transfer $984: B=2126 → 1142, A=6074 → 7058 [TX089] Transfer $474: A=7058 → 6584, B=1142 → 1616 [TX090] Transfer $945: B=1616 → 671, A=6584 → 7529 [TX091] Transfer $718: A=7529 → 6811, B=671 → 1389 [TX092] Transfer $132: A=6811 → 6679, B=1389 → 1521 [TX093] Transfer $534: A=6679 → 6145, B=1521 → 2055 [TX094] Transfer $204: A=6145 → 5941, B=2055 → 2259 [TX095] Transfer $41: B=2259 → 2218, A=5941 → 5982 [TX096] Transfer $176: B=2218 → 2042, A=5982 → 6158 [TX097] Transfer $768: B=2042 → 1274, A=6158 → 6926 [TX098] Transfer $11: B=1274 → 1263, A=6926 → 6937 [TX099] Transfer $447: B=1263 → 816, A=6937 → 7384 [TX100] Transfer $537: B=816 → 279, A=7384 → 7921 [TX101] Transfer $146: B=279 → 133, A=7921 → 8067 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	NEGATIVE_BAL	TX066	Account balance goes negative	NEGATIVE_BAL	101	{"bug_type": "NEGATIVE_BAL", "bug_location": "TX066", "explanation": "Account balance goes negative"}	{"bug_type": "NEGATIVE_BAL", "n_ops": 101}
83	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $310: A=4000 → 3690, B=4200 → 4510 [TX002] Transfer $733: A=3690 → 2957, B=4510 → 5243 [TX003] Transfer $802: B=5243 → 4441, A=2957 → 3759 [TX004] Transfer $567: A=3759 → 3192, B=4441 → 5008 [TX005] Transfer $584: B=5008 → 4424, A=3192 → 3776 [TX006] Transfer $773: B=4424 → 3651, A=3776 → 4549 [TX007] Transfer $909: A=4549 → 3640, B=3651 → 4560 [TX008] Transfer $450: A=3640 → 3190, B=4560 → 5010 [TX009] Transfer $478: B=5010 → 4532, A=3190 → 3668 [TX010] Transfer $40: B=4532 → 4492, A=3668 → 3708 [TX011] Transfer $863: B=4492 → 3629, A=3708 → 4571 [TX012] Transfer $160: B=3629 → 3469, A=4571 → 4731 [TX013] Transfer $971: A=4731 → 3760, B=3469 → 4440 [TX014] Transfer $167: A=3760 → 3593, B=4440 → 4607 [TX015] Transfer $402: B=4607 → 4205, A=3593 → 3995 [TX016] Transfer $461: B=4205 → 3744, A=3995 → 4456 [TX017] Transfer $205: B=3744 → 3539, A=4456 → 4661 [TX018] Transfer $534: A=4661 → 4127, B=3539 → 4073 [TX019] Transfer $11: A=4127 → 4116, B=4073 → 4084 [TX020] Transfer $139: A=4116 → 3977, B=4084 → 4223 [TX021] Transfer $589: B=4223 → 3634, A=3977 → 4566 [TX022] Transfer $211: A=4566 → 4355, B=3634 → 3845 [TX023] Transfer $24: A=4355 → 4331, B=3845 → 3869 [TX024] Transfer $261: A=4331 → 4070, B=3869 → 4130 [TX025] Transfer $453: B=4130 → 3677, A=4070 → 4523 [TX026] Transfer $688: A=4523 → 3835, B=3677 → 4365 [TX027] Transfer $375: B=4365 → 3990, A=3835 → 4210 [TX028] Transfer $878: A=4210 → 3332, B=3990 → 4868 [TX029] Transfer $796: B=4868 → 4072, A=3332 → 4128 [TX030] Transfer $770: B=4072 → 3302, A=4128 → 4898 [TX031] Transfer $922: B=3302 → 2380, A=4898 → 5820 [TX032] Transfer $286: A=5820 → 5534, B=2380 → 2666 [TX033] Transfer $59: B=2666 → 2607, A=5534 → 5593 [TX034] Transfer $934: A=5593 → 4659, B=2607 → 3541 [TX035] Transfer $837: A=4659 → 3822, B=3541 → 4378 [TX036] Transfer $242: B=4378 → 4136, A=3822 → 4064 [TX037] Transfer $279: A=4064 → 3785, B=4136 → 4415 [TX038] Transfer $132: A=3785 → 3653, B=4415 → 4547 [TX039] Transfer $71: B=4547 → 4476, A=3653 → 3724 [TX040] Transfer $467: A=3724 → 3257, B=4476 → 4943 [TX041] Transfer $679: A=3257 → 2578, B=4943 → 5622 [TX042] Transfer $55: A=2578 → 2523, B=5622 → 5677 [TX043] Transfer $451: B=5677 → 5226, A=2523 → 2974 [TX044] Transfer $678: B=5226 → 4548, A=2974 → 3652 [TX045] Transfer $853: B=4548 → 3695, A=3652 → 4505 [TX046] Transfer $330: B=3695 → 3365, A=4505 → 4835 [TX047] Transfer $110: B=3365 → 3255, A=4835 → 4945 [TX048] Transfer $53: A=4945 → 4892, B=3255 → 3308 [TX049] Transfer $657: B=3308 → 2651, A=4892 → 5549 [TX050] Transfer $159: A=5549 → 5390, B=2651 → 2810 [TX051] Transfer $349: B=2810 → 2461, A=5390 → 5739 [TX052] Transfer $161: A=5739 → 5578, B=2461 → 2622 [TX053] Transfer $823: B=2622 → 1799, A=5578 → 6401 [TX054] Transfer $405: B=1799 → 1394, A=6401 → 6806 [TX055] Transfer $938: B=1394 → 456, A=6806 → 7744 [TX056] Transfer $499: A=7744 → 7245, B=456 → 955 [TX057] Transfer $464: A=7245 → 6781, B=955 → 1419 [TX058] Transfer $104: A=6781 → 6677, B=1419 → 1523 [TX059] Transfer $90: A=6677 → 6587, B=1523 → 1613 [TX060] Transfer $545: A=6587 → 6042, B=1613 → 2158 [TX061] Transfer $243: B=2158 → 1915, A=6042 → 6285 [TX062] Transfer $828: B=1915 → 1087, A=6285 → 7113 [TX063] Transfer $467: A=7113 → 6646, B=1087 → 1554 [TX064] Transfer $300: A=6646 → 6346, B=1554 → 1854 [TX065] Transfer $614: A=6346 → 5732, B=1854 → 2468 [TX066] Transfer $108: A=5732 → 5624, B=2468 → 2576 [TX067] Transfer $184: B=2576 → 2392, A=5624 → 5808 [TX068] Transfer $507: B=2392 → 1885, A=5808 → 6315 [TX069] Transfer $181: A=6315 → 6134, B=1885 → 2066 [TX070] Transfer $970: A=6134 → 5164, B=2066 → 3036 [TX071] Transfer $257: B=3036 → 2779, A=5164 → 5421 [TX072] Transfer $188: A=5421 → 5233, B=2779 → 2967 [TX073] Transfer $371: A=5233 → 4862, B=2967 → 3338 [TX074] Transfer $149: B=3338 → 3189, A=4862 → 5011 [TX075] Transfer $182: A=5011 → 4829, B=3189 → 3371 [TX076] Transfer $703: B=3371 → 2668, A=4829 → 5532 [TX077] Transfer $872: B=2668 → 1796, A=5532 → 6404 [TX078] Transfer $759: A=6404 → 5645, B=1796 → 2555 [TX079] Transfer $209: A=5645 → 5436, B=2555 → 2764 [TX080] Transfer $311: B=2764 → 2453, A=5436 → 5747 [TX081] Transfer $314: B=2453 → 2139, A=5747 → 6061 [TX082] Transfer $14: B=2139 → 2125, A=6061 → 6075 [TX083] Transfer $23: B=2125 → 2102, A=6075 → 6098 [TX084] Transfer $882: A=6098 → 5216, B=2102 → 2984 [TX085] Transfer $3001: B=2984 → -17, A=5216 → 8217 [TX086] Balance check: B=-17 [TX087] Balance check: B=-17 [TX088] Balance check: B=-17 [TX089] Balance check: B=-17 [TX090] Balance check: B=-17 [TX091] Transfer $972: A=8217 → 7245, B=-17 → 955 [TX092] Transfer $240: B=955 → 715, A=7245 → 7485 [TX093] Transfer $465: B=715 → 250, A=7485 → 7950 [TX094] Transfer $83: B=250 → 167, A=7950 → 8033 [TX095] Transfer $935: A=8033 → 7098, B=167 → 1102 [TX096] Transfer $19: B=1102 → 1083, A=7098 → 7117 [TX097] Transfer $909: B=1083 → 174, A=7117 → 8026 [TX098] Transfer $71: B=174 → 103, A=8026 → 8097 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	NEGATIVE_BAL	TX085	Account balance goes negative	NEGATIVE_BAL	98	{"bug_type": "NEGATIVE_BAL", "bug_location": "TX085", "explanation": "Account balance goes negative"}	{"bug_type": "NEGATIVE_BAL", "n_ops": 98}
26	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $431: B=4200 → 3769, A=4000 → 4431 [TX002] Transfer $237: A=4431 → 4194, B=3769 → 4006 [TX003] Transfer $235: A=4194 → 3959, B=4006 → 4241 [TX004] Transfer $757: A=3959 → 3202, B=4241 → 4998 [TX005] Transfer $386: B=4998 → 4612, A=3202 → 3588 [TX006] Transfer $484: A=3588 → 3104, B=4612 → 5096 [TX007] Transfer $913: B=5096 → 4183, A=3104 → 4017 [TX008] Transfer $223: B=4183 → 3960, A=4017 → 4240 [TX009] Transfer $398: B=3960 → 3562, A=4240 → 4638 [TX010] Transfer $470: B=3562 → 3092, A=4638 → 5108 [TX011] Transfer $1000: A=5108 → 4108, B=3092 → 4092 [TX012] Transfer $345: B=4092 → 3747, A=4108 → 4453 [TX013] Transfer $710: A=4453 → 3743, B=3747 → 4457 [TX014] Transfer $141: A=3743 → 3602, B=4457 → 4598 [TX015] Transfer $471: A=3602 → 3131, B=4598 → 5069 [TX016] Transfer $780: B=5069 → 4289, A=3131 → 3911 [TX017] Transfer $909: B=4289 → 3380, A=3911 → 4820 [TX018] Transfer $810: B=3380 → 2570, A=4820 → 5630 [TX019] Transfer $90: A=5630 → 5540, B=2570 → 2660 [TX020] Transfer $884: B=2660 → 1776, A=5540 → 6424 [TX021] Transfer $859: A=6424 → 5565, B=1776 → 2635 [TX022] Transfer $16: B=2635 → 2619, A=5565 → 5581 [TX023] Transfer $255: B=2619 → 2364, A=5581 → 5836 [TX024] Transfer $595: B=2364 → 1769, A=5836 → 6431 [TX025] Transfer $937: A=6431 → 5494, B=1769 → 2706 [TX026] Transfer $47: A=5494 → 5447, B=2706 → 2753 [TX027] Transfer $753: A=5447 → 4694, B=2753 → 3506 [TX028] Transfer $545: A=4694 → 4149, B=3506 → 4051 [TX029] Transfer $831: B=4051 → 3220, A=4149 → 4980 [TX030] Transfer $509: A=4980 → 4471, B=3220 → 3729 [TX031] Transfer $573: A=4471 → 3898, B=3729 → 4302 [TX032] Transfer $974: A=3898 → 2924, B=4302 → 5275 [TX033] Transfer $304: A=2924 → 2620, B=5276 → 5580 [TX034] Transfer $18: A=2620 → 2602, B=5580 → 5598 [TX035] Transfer $167: B=5598 → 5431, A=2602 → 2769 [TX036] Transfer $467: B=5431 → 4964, A=2769 → 3236 [TX037] Transfer $897: B=4964 → 4067, A=3236 → 4133 [TX038] Transfer $810: B=4067 → 3257, A=4133 → 4943 [TX039] Transfer $722: B=3257 → 2535, A=4943 → 5665 [TX040] Transfer $396: A=5665 → 5269, B=2535 → 2931 [TX041] Transfer $305: B=2931 → 2626, A=5269 → 5574 [TX042] Transfer $716: B=2626 → 1910, A=5574 → 6290 [TX043] Transfer $637: A=6290 → 5653, B=1910 → 2547 [TX044] Transfer $529: B=2547 → 2018, A=5653 → 6182 [TX045] Transfer $115: B=2018 → 1903, A=6182 → 6297 [TX046] Transfer $478: B=1903 → 1425, A=6297 → 6775 [TX047] Transfer $377: A=6775 → 6398, B=1425 → 1802 [TX048] Transfer $576: A=6398 → 5822, B=1802 → 2378 [TX049] Transfer $344: A=5822 → 5478, B=2378 → 2722 [TX050] Transfer $666: A=5478 → 4812, B=2722 → 3388 [TX051] Transfer $773: B=3388 → 2615, A=4812 → 5585 [TX052] Transfer $363: A=5585 → 5222, B=2615 → 2978 [TX053] Transfer $285: B=2978 → 2693, A=5222 → 5507 [TX054] Transfer $383: A=5507 → 5124, B=2693 → 3076 [TX055] Transfer $499: B=3076 → 2577, A=5124 → 5623 [TX056] Transfer $728: A=5623 → 4895, B=2577 → 3305 [TX057] Transfer $637: B=3305 → 2668, A=4895 → 5532 [TX058] Transfer $194: B=2668 → 2474, A=5532 → 5726 [TX059] Transfer $84: B=2474 → 2390, A=5726 → 5810 [TX060] Transfer $297: B=2390 → 2093, A=5810 → 6107 [TX061] Transfer $170: A=6107 → 5937, B=2093 → 2263 [TX062] Transfer $715: B=2263 → 1548, A=5937 → 6652 [TX063] Transfer $156: A=6652 → 6496, B=1548 → 1704 [TX064] Transfer $302: A=6496 → 6194, B=1704 → 2006 [TX065] Transfer $487: B=2006 → 1519, A=6194 → 6681 [TX066] Transfer $456: B=1519 → 1063, A=6681 → 7137 [TX067] Transfer $195: A=7137 → 6942, B=1063 → 1258 [TX068] Transfer $894: A=6942 → 6048, B=1258 → 2152 [TX069] Transfer $423: A=6048 → 5625, B=2152 → 2575 [TX070] Transfer $499: B=2575 → 2076, A=5625 → 6124 [TX071] Transfer $313: B=2076 → 1763, A=6124 → 6437 [TX072] Transfer $177: A=6437 → 6260, B=1763 → 1940 [TX073] Transfer $497: B=1940 → 1443, A=6260 → 6757 [TX074] Transfer $790: B=1443 → 653, A=6757 → 7547 [TX075] Transfer $363: A=7547 → 7184, B=653 → 1016 [TX076] Transfer $172: B=1016 → 844, A=7184 → 7356 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	CALC_ERROR	TX032	Mathematical calculation is incorrect	CALC_ERROR	76	{"bug_type": "CALC_ERROR", "bug_location": "TX032", "explanation": "Mathematical calculation is incorrect"}	{"bug_type": "CALC_ERROR", "n_ops": 76}
87	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $75: A=4000 → 3925, B=4200 → 4275 [TX002] Transfer $750: B=4275 → 3525, A=3925 → 4675 [TX003] Transfer $308: A=4675 → 4367, B=3525 → 3833 [TX004] Transfer $922: A=4367 → 3445, B=3833 → 4755 [TX005] Transfer $16: A=3445 → 3429, B=4755 → 4771 [TX006] Transfer $939: B=4771 → 3832, A=3429 → 4368 [TX007] Thread T1: READ B=3832 [TX008] Thread T2: READ B=3832 [TX009] Thread T1: COMMIT B=3832 → 3698 [TX010] Thread T2: COMMIT B=3832 → 3757 [TX011] Transfer $437: B=3757 → 3320, A=4368 → 4805 [TX012] Transfer $537: B=3320 → 2783, A=4805 → 5342 [TX013] Transfer $86: B=2783 → 2697, A=5342 → 5428 [TX014] Transfer $655: A=5428 → 4773, B=2697 → 3352 [TX015] Transfer $542: A=4773 → 4231, B=3352 → 3894 [TX016] Transfer $871: B=3894 → 3023, A=4231 → 5102 [TX017] Transfer $593: A=5102 → 4509, B=3023 → 3616 [TX018] Transfer $856: A=4509 → 3653, B=3616 → 4472 [TX019] Transfer $969: A=3653 → 2684, B=4472 → 5441 [TX020] Transfer $910: B=5441 → 4531, A=2684 → 3594 [TX021] Transfer $855: A=3594 → 2739, B=4531 → 5386 [TX022] Transfer $481: A=2739 → 2258, B=5386 → 5867 [TX023] Transfer $325: A=2258 → 1933, B=5867 → 6192 [TX024] Transfer $948: A=1933 → 985, B=6192 → 7140 [TX025] Transfer $228: B=7140 → 6912, A=985 → 1213 [TX026] Transfer $645: B=6912 → 6267, A=1213 → 1858 [TX027] Transfer $774: B=6267 → 5493, A=1858 → 2632 [TX028] Transfer $789: B=5493 → 4704, A=2632 → 3421 [TX029] Transfer $131: B=4704 → 4573, A=3421 → 3552 [TX030] Transfer $766: B=4573 → 3807, A=3552 → 4318 [TX031] Transfer $591: A=4318 → 3727, B=3807 → 4398 [TX032] Transfer $12: A=3727 → 3715, B=4398 → 4410 [TX033] Transfer $875: A=3715 → 2840, B=4410 → 5285 [TX034] Transfer $139: B=5285 → 5146, A=2840 → 2979 [TX035] Transfer $126: B=5146 → 5020, A=2979 → 3105 [TX036] Transfer $45: A=3105 → 3060, B=5020 → 5065 [TX037] Transfer $848: A=3060 → 2212, B=5065 → 5913 [TX038] Transfer $45: A=2212 → 2167, B=5913 → 5958 [TX039] Transfer $64: B=5958 → 5894, A=2167 → 2231 [TX040] Transfer $219: A=2231 → 2012, B=5894 → 6113 [TX041] Transfer $412: B=6113 → 5701, A=2012 → 2424 [TX042] Transfer $957: A=2424 → 1467, B=5701 → 6658 [TX043] Transfer $390: B=6658 → 6268, A=1467 → 1857 [TX044] Transfer $938: B=6268 → 5330, A=1857 → 2795 [TX045] Transfer $224: B=5330 → 5106, A=2795 → 3019 [TX046] Transfer $583: B=5106 → 4523, A=3019 → 3602 [TX047] Transfer $363: A=3602 → 3239, B=4523 → 4886 [TX048] Transfer $723: A=3239 → 2516, B=4886 → 5609 [TX049] Transfer $559: A=2516 → 1957, B=5609 → 6168 [TX050] Transfer $94: B=6168 → 6074, A=1957 → 2051 [TX051] Transfer $463: B=6074 → 5611, A=2051 → 2514 [TX052] Transfer $668: A=2514 → 1846, B=5611 → 6279 [TX053] Transfer $842: B=6279 → 5437, A=1846 → 2688 [TX054] Transfer $600: B=5437 → 4837, A=2688 → 3288 [TX055] Transfer $367: B=4837 → 4470, A=3288 → 3655 [TX056] Transfer $105: B=4470 → 4365, A=3655 → 3760 [TX057] Transfer $254: B=4365 → 4111, A=3760 → 4014 [TX058] Transfer $677: B=4111 → 3434, A=4014 → 4691 [TX059] Transfer $484: A=4691 → 4207, B=3434 → 3918 [TX060] Transfer $469: B=3918 → 3449, A=4207 → 4676 [TX061] Transfer $559: A=4676 → 4117, B=3449 → 4008 [TX062] Transfer $421: B=4008 → 3587, A=4117 → 4538 [TX063] Transfer $938: A=4538 → 3600, B=3587 → 4525 [TX064] Transfer $183: A=3600 → 3417, B=4525 → 4708 [TX065] Transfer $828: A=3417 → 2589, B=4708 → 5536 [TX066] Transfer $72: B=5536 → 5464, A=2589 → 2661 [TX067] Transfer $37: B=5464 → 5427, A=2661 → 2698 [TX068] Transfer $983: A=2698 → 1715, B=5427 → 6410 [TX069] Transfer $344: B=6410 → 6066, A=1715 → 2059 [TX070] Transfer $850: B=6066 → 5216, A=2059 → 2909 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	LOST_UPDATE	TX010	Thread T2 overwrites T1's change	LOST_UPDATE	70	{"bug_type": "LOST_UPDATE", "bug_location": "TX010", "explanation": "Thread T2 overwrites T1's change"}	{"bug_type": "LOST_UPDATE", "n_ops": 70}
33	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $980: A=4000 → 3020, B=4200 → 5180 [TX002] Transfer $770: A=3020 → 2250, B=5180 → 5950 [TX003] Transfer $125: B=5950 → 5825, A=2250 → 2375 [TX004] Transfer $283: A=2375 → 2092, B=5825 → 6108 [TX005] Transfer $851: A=2092 → 1241, B=6108 → 6959 [TX006] Transfer $828: B=6959 → 6131, A=1241 → 2069 [TX007] Transfer $605: B=6131 → 5526, A=2069 → 2674 [TX008] Transfer $884: A=2674 → 1790, B=5526 → 6410 [TX009] Transfer $449: A=1790 → 1341, B=6410 → 6859 [TX010] Transfer $26: A=1341 → 1315, B=6859 → 6885 [TX011] Transfer $265: B=6885 → 6620, A=1315 → 1580 [TX012] Transfer $103: A=1580 → 1477, B=6620 → 6723 [TX013] Transfer $149: A=1477 → 1328, B=6723 → 6872 [TX014] Transfer $788: A=1328 → 540, B=6872 → 7660 [TX015] Transfer $159: A=540 → 381, B=7660 → 7819 [TX016] Transfer $62: B=7819 → 7757, A=381 → 443 [TX017] Transfer $29: B=7757 → 7728, A=443 → 472 [TX018] Transfer $201: A=472 → 271, B=7728 → 7929 [TX019] Transfer $38: A=271 → 233, B=7929 → 7967 [TX020] Transfer $266: B=7967 → 7701, A=233 → 499 [TX021] Transfer $55: B=7701 → 7646, A=499 → 554 [TX022] Transfer $387: A=554 → 167, B=7646 → 8033 [TX023] Transfer $67: A=167 → 100, B=8033 → 8100 [TX024] Transfer $277: B=8100 → 7823, A=100 → 377 [TX025] Transfer $239: A=377 → 138, B=7823 → 8062 [TX026] Transfer $497: B=8062 → 7565, A=138 → 635 [TX027] Transfer $241: A=635 → 394, B=7565 → 7806 [TX028] Transfer $285: A=394 → 109, B=7806 → 8091 [TX029] Transfer $4: A=109 → 105, B=8091 → 8095 [TX030] Transfer $458: B=8095 → 7637, A=105 → 563 [TX031] Transfer $402: A=563 → 161, B=7637 → 8039 [TX032] Transfer $36: A=161 → 125, B=8039 → 8075 [TX033] Transfer $19: A=125 → 106, B=8075 → 8094 [TX034] Transfer $44: B=8094 → 8050, A=106 → 150 [TX035] Transfer $41: A=150 → 109, B=8050 → 8091 [TX036] Transfer $2: B=8091 → 8089, A=109 → 111 [TX037] Transfer $6: A=111 → 105, B=8089 → 8095 [TX038] Transfer $361: B=8095 → 7734, A=105 → 466 [TX039] Transfer $25: A=466 → 441, B=7734 → 7759 [TX040] Transfer $155: A=441 → 286, B=7759 → 7914 [TX041] Transfer $180: A=286 → 106, B=7914 → 8094 [TX042] Transfer $6: A=106 → 100, B=8094 → 8100 [TX043] Transfer $217: B=8100 → 7883, A=100 → 317 [TX044] Transfer $652: B=7883 → 7231, A=317 → 969 [TX045] Transfer $281: B=7231 → 6950, A=969 → 1250 [TX046] Transfer $351: A=1250 → 899, B=6950 → 7301 [TX047] Transfer $615: A=899 → 284, B=7301 → 7916 [TX048] Transfer $937: B=7916 → 6979, A=284 → 1221 [TX049] Transfer $625: A=1221 → 596, B=6979 → 7604 [TX050] Transfer $925: B=7604 → 6679, A=596 → 1521 [TX051] Transfer $425: A=1521 → 1096, B=6679 → 7104 [TX052] Transfer $553: B=7104 → 6551, A=1096 → 1649 [TX053] Transfer $553: A=1649 → 1096, B=6551 → 7104 [TX054] Transfer $690: A=1096 → 406, B=7104 → 7794 [TX055] Transfer $194: A=406 → 212, B=7794 → 7988 [TX056] Transfer $183: B=7988 → 7805, A=212 → 395 [TX057] Transfer $238: A=395 → 157, B=7805 → 8043 [TX058] Transfer $457: B=8043 → 7586, A=157 → 614 [TX059] Transfer $22: A=614 → 592, B=7586 → 7608 [TX060] Transfer $198: B=7608 → 7410, A=592 → 790 [TX061] Transfer $228: A=790 → 562, B=7410 → 7638 [TX062] Transfer $187: A=562 → 375, B=7638 → 7825 [TX063] Transfer $254: A=375 → 121, B=7825 → 8079 [TX064] Transfer $8: A=121 → 113, B=8079 → 8087 [TX065] Transfer $892: B=8087 → 7195, A=113 → 1005 [TX066] Transfer $176: B=7195 → 7019, A=1005 → 1181 [TX067] Transfer $68: A=1181 → 1113, B=7019 → 7087 [TX068] Transfer $132: A=1113 → 981, B=7087 → 7219 [TX069] Transfer $904: B=7219 → 6315, A=981 → 1885 [TX070] Transfer $870: B=6315 → 5445, A=1885 → 2755 [TX071] Transfer $699: A=2755 → 2056, B=5445 → 6144 [TX072] Transfer $962: B=6144 → 5182, A=2056 → 3018 [TX073] Transfer $876: B=5182 → 4306, A=3018 → 3896 [TX074] Transfer $282: B=4306 → 4024, A=3894 → 4176 [TX075] Transfer $509: A=4176 → 3667, B=4024 → 4533 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	CALC_ERROR	TX073	Mathematical calculation is incorrect	CALC_ERROR	75	{"bug_type": "CALC_ERROR", "bug_location": "TX073", "explanation": "Mathematical calculation is incorrect"}	{"bug_type": "CALC_ERROR", "n_ops": 75}
8	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $845: B=4200 → 3355, A=4000 → 4845 [TX002] Transfer $997: A=4845 → 3848, B=3355 → 4352 [TX003] Transfer $462: B=4352 → 3890, A=3848 → 4310 [TX004] Transfer $133: B=3890 → 3757, A=4310 → 4443 [TX005] Transfer $445: A=4443 → 3998, B=3757 → 4202 [TX006] Transfer $532: A=3998 → 3466, B=4202 → 4734 [TX007] Transfer $170: A=3466 → 3296, B=4734 → 4904 [TX008] Transfer $959: A=3296 → 2337, B=4904 → 5863 [TX009] Transfer $972: A=2337 → 1365, B=5863 → 6835 [TX010] Transfer $258: B=6835 → 6577, A=1365 → 1623 [TX011] Transfer $130: A=1623 → 1493, B=6577 → 6707 [TX012] Transfer $516: B=6707 → 6191, A=1493 → 2009 [TX013] Transfer $177: A=2009 → 1832, B=6191 → 6368 [TX014] Transfer $847: B=6368 → 5521, A=1832 → 2679 [TX015] Transfer $48: A=2679 → 2631, B=5521 → 5569 [TX016] Transfer $787: B=5569 → 4782, A=2631 → 3418 [TX017] Transfer $511: B=4782 → 4271, A=3418 → 3929 [TX018] Transfer $496: B=4271 → 3775, A=3929 → 4425 [TX019] Transfer $306: A=4425 → 4119, B=3775 → 4081 [TX020] Transfer $707: B=4081 → 3374, A=4119 → 4826 [TX021] Transfer $452: A=4826 → 4374, B=3374 → 3826 [TX022] Transfer $477: B=3826 → 3349, A=4374 → 4851 [TX023] Transfer $623: A=4851 → 4228, B=3349 → 3972 [TX024] Transfer $884: A=4228 → 3344, B=3972 → 4856 [TX025] Transfer $1000: B=4856 → 3856, A=3344 → 4344 [TX026] Transfer $780: B=3856 → 3076, A=4344 → 5124 [TX027] Transfer $328: B=3076 → 2748, A=5124 → 5452 [TX028] Transfer $127: A=5452 → 5325, B=2748 → 2875 [TX029] Transfer $255: B=2875 → 2620, A=5325 → 5580 [TX030] Transfer $53: A=5580 → 5527, B=2620 → 2673 [TX031] Transfer $886: B=2673 → 1787, A=5527 → 6413 [TX032] Transfer $987: B=1787 → 800, A=6413 → 7400 [TX033] Transfer $958: A=7400 → 6442, B=800 → 1758 [TX034] Transfer $783: B=1758 → 975, A=6442 → 7225 [TX035] Transfer $529: A=7225 → 6696, B=975 → 1504 [TX036] Transfer $902: B=1504 → 602, A=6696 → 7598 [TX037] Transfer $13: B=602 → 589, A=7598 → 7611 [TX038] Transfer $519: A=7611 → 7092, B=589 → 1108 [TX039] Transfer $222: B=1108 → 886, A=7092 → 7314 [TX040] Transfer $53: B=886 → 833, A=7314 → 7367 [TX041] Transfer $613: B=833 → 220, A=7367 → 7980 [TX042] Transfer $70: B=220 → 150, A=7980 → 8050 [TX043] Transfer $443: A=8050 → 7607, B=150 → 593 [TX044] Transfer $746: A=7607 → 6861, B=593 → 1339 [TX045] Transfer $376: B=1339 → 963, A=6861 → 7237 [TX046] Transfer $54: A=7237 → 7183, B=963 → 1017 [TX047] Transfer $568: A=7183 → 6615, B=1017 → 1585 [TX048] Transfer $397: B=1585 → 1188, A=6615 → 7012 [TX049] Transfer $847: B=1188 → 341, A=7012 → 7859 [TX050] Transfer $1000: A=7859 → 6859, B=341 → 1341 [TX051] Transfer $384: A=6859 → 6475, B=1341 → 1725 [TX052] Transfer $775: B=1725 → 950, A=6475 → 7250 [TX053] Transfer $618: A=7250 → 6632, B=950 → 1568 [TX054] Transfer $48: B=1568 → 1520, A=6632 → 6680 [TX055] Transfer $732: A=6680 → 5948, B=1520 → 2252 [TX056] Transfer $533: B=2252 → 1719, A=5948 → 6481 [TX057] Transfer $622: B=1719 → 1097, A=6481 → 7103 [TX058] Transfer $955: A=7103 → 6148, B=1097 → 2052 [TX059] Transfer $404: B=2052 → 1648, A=6148 → 6552 [TX060] Transfer $521: B=1648 → 1127, A=6552 → 7073 [TX061] Transfer $488: B=1127 → 639, A=7073 → 7561 [TX062] Transfer $341: A=7561 → 7220, B=639 → 980 [TX063] Transfer $7239: A=7220 → -19, B=980 → 8219 [TX064] Transfer $613: B=8219 → 7606, A=-19 → 594 [TX065] Transfer $992: B=7606 → 6614, A=594 → 1586 [TX066] Transfer $599: A=1586 → 987, B=6614 → 7213 [TX067] Transfer $538: B=7213 → 6675, A=987 → 1525 [TX068] Transfer $843: B=6675 → 5832, A=1525 → 2368 [TX069] Transfer $588: A=2368 → 1780, B=5832 → 6420 [TX070] Transfer $21: A=1780 → 1759, B=6420 → 6441 [TX071] Transfer $430: B=6441 → 6011, A=1759 → 2189 [TX072] Transfer $709: A=2189 → 1480, B=6011 → 6720 [TX073] Transfer $515: A=1480 → 965, B=6720 → 7235 [TX074] Transfer $724: B=7235 → 6511, A=965 → 1689 [TX075] Transfer $576: A=1689 → 1113, B=6511 → 7087 [TX076] Transfer $540: B=7087 → 6547, A=1113 → 1653 [TX077] Transfer $981: B=6547 → 5566, A=1653 → 2634 [TX078] Transfer $936: A=2634 → 1698, B=5566 → 6502 [TX079] Transfer $694: B=6502 → 5808, A=1698 → 2392 [TX080] Transfer $198: B=5808 → 5610, A=2392 → 2590 [TX081] Transfer $573: A=2590 → 2017, B=5610 → 6183 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	NEGATIVE_BAL	TX063	Account balance goes negative	NEGATIVE_BAL	81	{"bug_type": "NEGATIVE_BAL", "bug_location": "TX063", "explanation": "Account balance goes negative"}	{"bug_type": "NEGATIVE_BAL", "n_ops": 81}
47	Analyze this banking transaction log for bugs. Each operation shows the complete state change. INITIAL STATE: { "account_A": 4000, "account_B": 4200, "total": 8200 } RULES: 1. Total money must remain constant (conservation) 2. No account can go negative 3. All calculations must be mathematically correct TRANSACTION LOG: [TX001] Transfer $504: A=4000 → 3496, B=4200 → 4704 [TX002] Transfer $232: B=4704 → 4472, A=3496 → 3728 [TX003] Transfer $446: A=3728 → 3282, B=4472 → 4918 [TX004] Transfer $598: A=3282 → 2684, B=4918 → 5516 [TX005] Transfer $210: A=2684 → 2474, B=5516 → 5726 [TX006] Transfer $916: A=2474 → 1558, B=5726 → 6642 [TX007] Transfer $794: A=1558 → 764, B=6642 → 7436 [TX008] Transfer $350: B=7436 → 7086, A=764 → 1114 [TX009] Transfer $196: A=1114 → 918, B=7086 → 7282 [TX010] Transfer $514: A=918 → 404, B=7282 → 7796 [TX011] Transfer $635: B=7796 → 7161, A=404 → 1039 [TX012] Transfer $451: A=1039 → 588, B=7161 → 7612 [TX013] Transfer $896: B=7612 → 6716, A=588 → 1484 [TX014] Transfer $132: A=1484 → 1352, B=6716 → 6848 [TX015] Transfer $122: B=6848 → 6726, A=1352 → 1474 [TX016] Transfer $54: B=6726 → 6672, A=1474 → 1528 [TX017] Transfer $231: B=6672 → 6441, A=1528 → 1759 [TX018] Transfer $401: B=6441 → 6040, A=1759 → 2160 [TX019] Transfer $895: B=6040 → 5145, A=2160 → 3055 [TX020] Transfer $78: A=3055 → 2977, B=5145 → 5223 [TX021] Transfer $410: A=2977 → 2567, B=5223 → 5633 [TX022] Transfer $598: A=2567 → 1969, B=5633 → 6231 [TX023] Transfer $670: B=6231 → 5561, A=1969 → 2639 [TX024] Transfer $348: A=2639 → 2291, B=5561 → 5909 [TX025] Transfer $207: B=5909 → 5702, A=2291 → 2498 [TX026] Thread T1: READ B=5702 [TX027] Thread T2: READ B=5702 [TX028] Thread T1: COMMIT B=5702 → 5637 [TX029] Thread T2: COMMIT B=5702 → 5617 [TX030] Transfer $948: A=2498 → 1550, B=5617 → 6565 [TX031] Transfer $507: A=1550 → 1043, B=6565 → 7072 [TX032] Transfer $356: A=1043 → 687, B=7072 → 7428 [TX033] Transfer $84: A=687 → 603, B=7428 → 7512 [TX034] Transfer $279: B=7512 → 7233, A=603 → 882 [TX035] Transfer $38: A=882 → 844, B=7233 → 7271 [TX036] Transfer $667: B=7271 → 6604, A=844 → 1511 [TX037] Transfer $491: B=6604 → 6113, A=1511 → 2002 [TX038] Transfer $23: B=6113 → 6090, A=2002 → 2025 [TX039] Transfer $794: A=2025 → 1231, B=6090 → 6884 [TX040] Transfer $700: A=1231 → 531, B=6884 → 7584 [TX041] Transfer $28: A=531 → 503, B=7584 → 7612 [TX042] Transfer $714: B=7612 → 6898, A=503 → 1217 [TX043] Transfer $720: A=1217 → 497, B=6898 → 7618 [TX044] Transfer $120: B=7618 → 7498, A=497 → 617 [TX045] Transfer $920: B=7498 → 6578, A=617 → 1537 [TX046] Transfer $200: B=6578 → 6378, A=1537 → 1737 [TX047] Transfer $942: B=6378 → 5436, A=1737 → 2679 [TX048] Transfer $239: A=2679 → 2440, B=5436 → 5675 [TX049] Transfer $234: A=2440 → 2206, B=5675 → 5909 [TX050] Transfer $823: B=5909 → 5086, A=2206 → 3029 [TX051] Transfer $834: A=3029 → 2195, B=5086 → 5920 [TX052] Transfer $60: A=2195 → 2135, B=5920 → 5980 [TX053] Transfer $186: A=2135 → 1949, B=5980 → 6166 [TX054] Transfer $323: B=6166 → 5843, A=1949 → 2272 [TX055] Transfer $301: B=5843 → 5542, A=2272 → 2573 [TX056] Transfer $492: A=2573 → 2081, B=5542 → 6034 [TX057] Transfer $80: A=2081 → 2001, B=6034 → 6114 [TX058] Transfer $508: B=6114 → 5606, A=2001 → 2509 [TX059] Transfer $456: B=5606 → 5150, A=2509 → 2965 [TX060] Transfer $800: B=5150 → 4350, A=2965 → 3765 [TX061] Transfer $541: B=4350 → 3809, A=3765 → 4306 [TX062] Transfer $716: B=3809 → 3093, A=4306 → 5022 [TX063] Transfer $356: A=5022 → 4666, B=3093 → 3449 [TX064] Transfer $288: B=3449 → 3161, A=4666 → 4954 [TX065] Transfer $935: A=4954 → 4019, B=3161 → 4096 [TX066] Transfer $314: A=4019 → 3705, B=4096 → 4410 [TX067] Transfer $383: A=3705 → 3322, B=4410 → 4793 [TX068] Transfer $242: A=3322 → 3080, B=4793 → 5035 [TX069] Transfer $977: B=5035 → 4058, A=3080 → 4057 [TX070] Transfer $512: A=4057 → 3545, B=4058 → 4570 [TX071] Transfer $286: A=3545 → 3259, B=4570 → 4856 [TX072] Transfer $849: B=4856 → 4007, A=3259 → 4108 [TX073] Transfer $287: A=4108 → 3821, B=4007 → 4294 [TX074] Transfer $21: B=4294 → 4273, A=3821 → 3842 [TX075] Transfer $456: B=4273 → 3817, A=3842 → 4298 [TX076] Transfer $212: A=4298 → 4086, B=3817 → 4029 [TX077] Transfer $677: B=4029 → 3352, A=4086 → 4763 [TX078] Transfer $678: B=3352 → 2674, A=4763 → 5441 [TX079] Transfer $556: B=2674 → 2118, A=5441 → 5997 [TX080] Transfer $933: B=2118 → 1185, A=5997 → 6930 [TX081] Transfer $831: B=1185 → 354, A=6930 → 7761 [TX082] Transfer $351: A=7761 → 7410, B=354 → 705 [TX083] Transfer $60: B=705 → 645, A=7410 → 7470 [TX084] Transfer $977: A=7470 → 6493, B=645 → 1622 [TX085] Transfer $436: B=1622 → 1186, A=6493 → 6929 [TX086] Transfer $985: B=1186 → 201, A=6929 → 7914 [TX087] Transfer $97: B=201 → 104, A=7914 → 8011 [TX088] Transfer $931: A=8011 → 7080, B=104 → 1035 [TX089] Transfer $820: A=7080 → 6260, B=1035 → 1855 [TX090] Transfer $257: B=1855 → 1598, A=6260 → 6517 [TX091] Transfer $586: B=1598 → 1012, A=6517 → 7103 [TX092] Transfer $632: B=1012 → 380, A=7103 → 7735 [TX093] Transfer $139: B=380 → 241, A=7735 → 7874 [TX094] Transfer $33: B=241 → 208, A=7874 → 7907 [TX095] Transfer $35: B=208 → 173, A=7907 → 7942 [TX096] Transfer $475: A=7942 → 7467, B=173 → 648 [TX097] Transfer $11: A=7467 → 7456, B=648 → 659 [TX098] Transfer $369: B=659 → 290, A=7456 → 7825 POSSIBLE BUG TYPES (choose exactly one): - CALC_ERROR: Mathematical calculation is incorrect - NEGATIVE_BAL: Account balance becomes negative - LOST_UPDATE: Concurrent update causes lost transaction - DUPLICATE_TXN: Same transaction processed multiple times Identify the SINGLE bug if any exists. Respond with ONLY a JSON object: {"bug_type": "<type>", "bug_location": "<TX_ID>" Your response:	LOST_UPDATE	TX029	Thread T2 overwrites T1's change	LOST_UPDATE	98	{"bug_type": "LOST_UPDATE", "bug_location": "TX029", "explanation": "Thread T2 overwrites T1's change"}	{"bug_type": "LOST_UPDATE", "n_ops": 98}

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