AI RESEARCH
ExVerus: Verus Proof Repair via Counterexample Reasoning
arXiv CS.LG
•
ArXi:2603.25810v1 Announce Type: cross Large Language Models (LLMs) have shown promising results in automating formal verification. However, existing approaches treat proof generation as a static, end-to-end prediction over source code, relying on limited verifier feedback and lacking access to concrete program behaviors. We present EXVERUS, a counterexample-guided framework that enables LLMs to reason about proofs using behavioral feedback via counterexamples.