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Published in:
2007 | OriginalPaper | Chapter
Automated Assumption Generation for Compositional Verification
Authors : Anubhav Gupta, Kenneth L. McMillan, Zhaohui Fu
Published in: Computer Aided Verification
Publisher: Springer Berlin Heidelberg
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We describe a method for computing an exact minimal automaton to act as an intermediate assertion in assume-guarantee reasoning, using a sampling approach and a Boolean satisfiability solver. For a set of synthetic benchmarks intended to mimic common situations in hardware verification, this is shown to be significantly more effective than earlier approximate methods based on Angluin’s L* algorithm. For many of these benchmarks, this method also outperforms BDD-based model checking and interpolation-based model checking.