Infinite-State High-Level MSCs: Model-Checking and Realizability

  • Authors:
  • Blaise Genest;Anca Muscholl;Helmut Seidl;Marc Zeitoun

  • Affiliations:
  • -;-;-;-

  • Venue:
  • ICALP '02 Proceedings of the 29th International Colloquium on Automata, Languages and Programming
  • Year:
  • 2002

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Abstract

We consider three natural classes of infinite-state HMSCs: globally-cooperative, locally-cooperative and local-choice HMSCs. We show first that model-checking for globally-cooperative and locally-cooperative HMSCs has the same complexity as for the class of finite-state (bounded) HMSCs. Surprisingly, model-checking local-choice HMSCs turns out to be exponentially more efficient in space than for locally-cooperative HMSCs. We also show that locally-cooperative and local-choice HMSCs can be always implemented by communicating finite states machines, provided we allow some additional (bounded) message data. Moreover, the implementation of local-choice HMSCs is deadlock-free and of linear-size.