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Combining Theories with Shared Set Operations

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Abstract

Motivated by applications in software verification, we explore automated reasoning about the non-disjoint combination of theories of infinitely many finite structures, where the theories share set variables and set operations. We prove a combination theorem and apply it to show the decidability of the satisfiability problem for a class of formulas obtained by applying propositional connectives to formulas belonging to: 1) Boolean Algebra with Presburger Arithmetic (with quantifiers over sets and integers), 2) weak monadic second-order logic over trees (with monadic second-order quantifiers), 3) two-variable logic with counting quantifiers (ranging over elements), 4) the EPR class of first-order logic with equality (with exists*forall* quantifier prefix), and 5) the quantifier-free logic of multisets with cardinality constraints.

Citation

Thomas Wies, Ruzica Piskac, and Viktor Kuncak. Combining theories with shared set operations. In FroCoS: Frontiers in Combining Systems, 2009.

BibTex Entry

@INPROCEEDINGS{WiesETAL09CombiningTheorieswithSharedSetOperations,
  author = {Thomas Wies and Ruzica Piskac and Viktor Kuncak},
  title = {Combining Theories with Shared Set Operations},
  booktitle = {FroCoS: Frontiers in Combining Systems},
  year = 2009,
  localurl = {http://lara.epfl.ch/~kuncak/papers/WiesETAL09CombiningTheorieswithSharedSetOperations.pdf}
}

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