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  1. ; ; ; (, 2022 Design, Automation & Test in Europe Conference & Exhibition (DATE))
    Bolchini, Cristiana; Verbauwhede, Ingrid; Vatajelu, Ioana (Ed.)
    Algebraic reasoning has proven to be one of the most effective approaches for verifying gate-level integer multipliers, but it struggles with certain components, necessitating the complementary use of SAT solvers. For this reason validation certificates require proofs in two different formats. Approaches to unify the certificates are not scalable, meaning that the validation results can only be trusted up to the correctness of compositional reasoning. We show in this paper that using dual variables in the algebraic encoding, together with a novel tail substitution and carry rewriting method, removes the need for SAT solvers in the verification flow and yields a single, uniform proof certificate. 
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