Verifiers in the Loop: Decoding Time Verification for Code Translation
Test-time scaling is an important mechanism for improving large language models, especially on tasks with deterministic verifiers. Code translation is a canonical example: the source program constrains valid outputs, while compilers, type checkers, and behavioral checks provide exact pass/fail feedback. Outcome-only approaches apply these verifiers only after generation, which is inefficient because early errors corrupt the autoregressive context and are rarely corrected later. We introduce Decoding Time Verification (DTV), a framework that treats structural boundaries as meta steps for verifier-guided decoding. DTV interleaves generation with verifier calls under a state-machine controll...
| Authors | Tianyang Zhou, Somesh Jha, Mihai Christodorescu et al. |
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| Primary category | cs.LG |
| Published | 17 May 2026 |
| Last updated at source | 13 October 2026 |
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