An automata-theoretic approach to the reachability analysis of RPPS systems

  • Authors:
  • Anne Labroue;Philippe Schnoebelen

  • Affiliations:
  • Lab. Spécification & Véérification, ENS de Cachan & CNRS UMR 8643 61, av. Pdt. Wilson, 94235 Cachan Cedex France;Lab. Spécification & Véérification, ENS de Cachan & CNRS UMR 8643 61, av. Pdt. Wilson, 94235 Cachan Cedex France

  • Venue:
  • Nordic Journal of Computing
  • Year:
  • 2002

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Abstract

We show how the reachability analysis of RPPS systems can be tackled with the tree-automata techniques proposed by Lugiez and Schnoebelen for PA. This approach requires that we express the states of RPPS systems in RPA, a tailor-made process rewrite system where reachability is a relation recognizable by finite tree-automata. Two outcomes of this study are (1) an NP algorithm for reachability in RPPS systems, and (2) a simple decision procedure for a large class of reachability problems in RPA systems.