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Erschienen in:
2009 | OriginalPaper | Buchkapitel
Satisfiability Procedures for Combination of Theories Sharing Integer Offsets
verfasst von : Enrica Nicolini, Christophe Ringeissen, Michaël Rusinowitch
Erschienen in: Tools and Algorithms for the Construction and Analysis of Systems
Verlag: Springer Berlin Heidelberg
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We present a novel technique to combine satisfiability procedures for theories that model some data-structures and that share the integer offsets. This procedure extends the Nelson-Oppen approach to a family of non-disjoint theories that have practical interest in verification. The result is derived by showing that the considered theories satisfy the hypotheses of a general result on non-disjoint combination. In particular, the capability of computing logical consequences over the shared signature is ensured in a non trivial way by devising a suitable complete superposition calculus.