Preprint
Sep 2026
Better Understanding, Better Fixes? A Study of Hallucination in LLM-based Automated Program Repair
Large language models (LLMs) have significantly advanced automated program repair (APR), yet existing evaluations remain largely result-centric and provide limited insight into hallucination during repair. In APR, hallucination may arise not only in final patches but also in the intermediate artifacts that guide patch...
Xue-Meng Cai, Jia-Kun Liu, Lin-Han Yang et al.
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