A Systematic Study of Automated Program Repair: Fixing 55 out of 105 Bugs for $8 Each

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1 Tool GenProg for automated C-program repair. It repairs 55 of 105 defects. It uses genetic programming without a priori knowledge or specification. Key algorithmic insight is to represent candidate repairs as patches, rather than as AST. 2

Sergey Vartanov, 2007–2020