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Erschienen in:
2012 | OriginalPaper | Buchkapitel
Inprocessing Rules
verfasst von : Matti Järvisalo, Marijn J. H. Heule, Armin Biere
Erschienen in: Automated Reasoning
Verlag: Springer Berlin Heidelberg
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Decision procedures for Boolean satisfiability (SAT), especially modern conflict-driven clause learning (CDCL) solvers, act routinely as core solving engines in various real-world applications. Preprocessing, i.e., applying formula rewriting/simplification rules to the input formula before the actual search for satisfiability, has become an essential part of the SAT solving tool chain. Further, some of the strongest SAT solvers today add more reasoning to search by
interleaving
formula simplification and CDCL search. Such
inprocessing SAT solvers
witness the fact that implementing additional deduction rules in CDCL solvers leverages the efficiency of state-of-the-art SAT solving further. In this paper we establish formal underpinnings of inprocessing SAT solving via an abstract inprocessing framework that covers a wide range of modern SAT solving techniques.