Regular Tree Model Checking

  • Authors:
  • Parosh Aziz Abdulla;Bengt Jonsson;Pritha Mahata;Julien d'Orso

  • Affiliations:
  • -;-;-;-

  • Venue:
  • CAV '02 Proceedings of the 14th International Conference on Computer Aided Verification
  • Year:
  • 2002

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Abstract

In this paper, we present an approach for algorithmic verification of infinite-state systems with a parameterized tree topology. Our work is a generalization of regular model checking, where we extend the work done with strings toward trees. States are represented by trees over a finite alphabet, and transition relations by regular, structure preserving relations on trees. We use an automata theoretic method to compute the transitive closure of such a transition relation. Although the method is incomplete, we present sufficient conditions to ensure termination.We have implemented a prototype for our algorithm and show the result of its application on a number of examples.