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About this paper

Zekai Wang, Yingqiang Ge, Zekun Wang, Hai Wang, Yuhui Xu, Joshua Frandsen, Shancong Fu, Ashia C. Wilson and 1 more

VERSE lets software-repair agents test draft harness edits on training tasks before submission and evolve optimizer procedures as well as the executor harness. In a Meta-Harness study, self-evolution without verification scored 31.79% avg@3 on test, versus 41.05% with verification. On held-out SWE-rebench tests, its validation-selected harness scored 42.28% in-distribution and 37.69% out-of-distribution, above strongest selected baselines in those tests.

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