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Global Caching for the Alternation-free µ-Calculus

Authors Daniel Hausmann, Lutz Schröder, Christoph Egger

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Keywords
  • modal logic
  • fixpoint logic
  • satisfiability
  • global caching
  • coalgebraic logic

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Abstract

We present a sound, complete, and optimal single-pass tableau algorithm for the alternation-free mu-calculus. The algorithm supports global caching with intermediate propagation and runs in time 2^O(n). In game-theoretic terms, our algorithm integrates the steps for constructing and solving the Büchi game arising from the input tableau into a single procedure; this is done on-the-fly, i.e. may terminate before the game has been fully constructed. This suggests a slogan to the effect that global caching = game solving on-the-fly. A prototypical implementation shows promising initial results.

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Daniel Hausmann, Lutz Schröder, and Christoph Egger. Global Caching for the Alternation-free µ-Calculus. In 27th International Conference on Concurrency Theory (CONCUR 2016). Leibniz International Proceedings in Informatics (LIPIcs), Volume 59, pp. 34:1-34:15, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2016) https://doi.org/10.4230/LIPIcs.CONCUR.2016.34

Author Details

Daniel Hausmann
Lutz Schröder
Christoph Egger

References

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