About Fast and TReX Accelerations

  • Authors:
  • Christophe Darlot;Alain Finkel;Laurent Van Begin

  • Affiliations:
  • LSV & ENS de Cachan 61,av. du préésident wilson, 94235 CACHAN CEDEX, France;LSV & ENS de Cachan 61,av. du préésident wilson, 94235 CACHAN CEDEX, France;Université Libre de Bruxelles, Blvd du Triomphe, 1050 Bruxelles, Belgium

  • Venue:
  • Electronic Notes in Theoretical Computer Science (ENTCS)
  • Year:
  • 2005

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Abstract

Fast and TReX tools are designed to analyse systems with infinite state spaces. They both implement algorithms computing the set of reachable states of such systems. Since the state space may be infinite, acceleration techniques are used. In this paper, we study the differences between Fast and TReX acceleration techniques and show that although Fast remains in Presburger logics while accelerating, TReX can produce 1^s^t order arithmetical formulas even when accelerating functions.