QUBOS: Deciding Quantified Boolean Logic Using Propositional Satisfiability Solvers

  • Authors:
  • Abdelwaheb Ayari;David A. Basin

  • Affiliations:
  • -;-

  • Venue:
  • FMCAD '02 Proceedings of the 4th International Conference on Formal Methods in Computer-Aided Design
  • Year:
  • 2002

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Abstract

We describe Qubos (QUantified BOolean Solver), a decision procedure for quantified Boolean logic. The procedure is based on nonclausal simplification techniques that reduce formulae to a propositional clausal form after which off-the-shelf satisfiability solvers can be employed. W e show that there are domains exhibiting structure for which this procedure is very effective and we report on experimental results.