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Self-Loop Aggregation Product - A New Hybrid Approach to On-the-Fly LTL Model Checking

Abstract : We present the Self-Loop Aggregation Product (SLAP), a new hybrid technique that replaces the synchronized product used in the automata-theoretic approach for LTL model checking. The proposed product is an explicit graph of aggregates (symbolic sets of states) that can be interpreted as a Büchi automaton. The criterion used by SLAP to aggregate states from the Kripke structure is based on the analysis of self-loops that occur in the Büchi automaton expressing the property to verify. Our hybrid approach allows on the one hand to use classical emptiness-check algorithms and build the graph on-the-fly, and on the other hand, to have a compact encoding of the state space thanks to the symbolic representation of the aggregates. Our experiments show that this technique often outperforms other existing (hybrid or fully symbolic) approaches.
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Submitted on : Monday, March 14, 2016 - 4:29:32 PM
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Alexandre Duret-Lutz, Kaïs Klai, Denis Poitrenaud, Yann Thierry-Mieg. Self-Loop Aggregation Product - A New Hybrid Approach to On-the-Fly LTL Model Checking. 9th International Symposium on Automated Technology for Verification and Analysis (ATVA'11), Oct 2011, Taipei, Taiwan. pp.336-350, ⟨10.1007/978-3-642-24372-1_24⟩. ⟨hal-01288132⟩



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