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Journal Articles Journal of Automated Reasoning Year : 2023

Unifying Splitting


AVATAR is an elegant and effective way to split clauses in a saturation prover using a SAT solver. But is it refutationally complete? And how does it relate to other splitting architectures? To answer these questions, we present a unifying framework that extends a saturation calculus (e.g., superposition) with splitting and that embeds the result in a prover guided by a SAT solver. The framework also allows us to study locking, a subsumption-like mechanism based on the current propositional model. Various architectures are instances of the framework, including AVATAR, labeled splitting, and SMT with quantifiers.
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hal-04298584 , version 1 (21-11-2023)




Gabriel Ebner, Jasmin Blanchette, Sophie Tourret. Unifying Splitting. Journal of Automated Reasoning, 2023, 67 (2), pp.16. ⟨10.1007/s10817-023-09660-8⟩. ⟨hal-04298584⟩
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