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Department of Computing
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CausalRepair fixes 313 bugs with a cost of just $0.029 per bug, outpacing state-of-the-art APR methods by leveraging minimal causal context.
Coding agents struggle with non-functional improvements, scoring as low as 1.3 on structural changes compared to human developers' 1.5.
LLMs can fix 26% more bugs when given access to intermediate runtime states during program repair, proving that even the best models struggle to infer root causes from just failure symptoms.