Reachability Analysis for Timed Automata Using Partitioning Algorithms

  • Authors:
  • Agata Półrola;Wojciech Penczek;Maciej Szreter

  • Affiliations:
  • Faculty of Mathematics, University of Lodz, Banacha 22, 90-238 Lodz, Poland;Institute of Computer Science, PAS, Ordona 21, 01-237 Warsaw, Poland;Institute of Computer Science, PAS, Ordona 21, 01-237 Warsaw, Poland

  • Venue:
  • Fundamenta Informaticae - Concurrency Specification and Programming (CS&P'2002), Part 2
  • Year:
  • 2003

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Abstract

The paper presents a new method for checking reachability properties of Timed Automata. The idea consists in on-the-fly verification of a property on a pseudo-bisimulating model generated by a modified partitioning algorithm. Pseudo-bisimulating models are often much smaller than forward-reachability graphs commonly used in reachability analysis. A theoretical description of the algorithm is supported by several experimental results.