Solving Quantified Bit-Vector Formulas Using Binary Decision Diagrams

• Autoři: JONÁŠ Martin; STREJČEK Jan
• Rok publikování: 2016
• Druh: Článek ve sborníku
• Konference: Theory and Applications of Satisfiability Testing - SAT 2016 - 19th International Conference
• Fakulta / Pracoviště MU: Fakulta informatiky
• Doi: http://dx.doi.org/10.1007/978-3-319-40970-2_17
• Obor: Informatika
• Klíčová slova: SMT solving; quantified bit-vector formulas; BDD
• Popis: We describe a new approach to deciding satisfiability of quantified bit-vector formulas using binary decision diagrams and approximations. The approach is motivated by the observation that the binary decision diagram for a quantified formula is typically significantly smaller than the diagram for the subformula within the quantifier scope. The suggested approach has been implemented and the experimental results show that it decides more benchmarks from the SMT-LIB repository than state-of-the-art SMT solvers for this theory, namely Z3 and CVC4.

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