Parallel state space construction for model-checking

  • Hubert Garavel
  • Radu Mateescu
  • Irina Smarandache
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2057)


The verification of concurrent finite-state systems by model- checking often requires to generate (a large part of) the state space of the system under analysis. Because of the state explosion problem, this may be a resource-consuming operation, both in terms of memory and Cpu time. In this paper, we aim at improving the performances of state space construction by using parallelization techniques. We present parallel algorithms for constructing state spaces (or Labeled Transition Systems) on a network or a cluster of workstations. Each node in the network builds a part of the state space, all parts being merged to form the whole state space upon termination of the parallel computation. These algorithms have been implemented within the [Cadp] verification tool set and experimented on various concurrent applications specified in Lotos. The results obtained show close to ideal speedups and a good load balancing between network nodes.


distributed algorithms labeled transition system Lotos model-checking state space construction verification 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2001

Authors and Affiliations

  • Hubert Garavel
    • 1
  • Radu Mateescu
    • 1
  • Irina Smarandache
    • 1
  1. 1.Inria Rhône-Alpes / VasyMontbonnot Saint MartinFrance

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