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Large-Scale Directed Model Checking LTL

  • Stefan Edelkamp
  • Shahid Jabbar
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3925)

Abstract

To analyze larger models for explicit-state model checking, directed model checking applies error-guided search, external model checking uses secondary storage media, and distributed model checking exploits parallel exploration on multiple processors.

In this paper we propose an external, distributed and directed on-the-fly model checking algorithm to check general LTL properties in the model checker SPIN. Previous attempts are restricted to checking safety properties. The worst-case I/O complexity is bounded by \(O(\mbox{\em sort}(|{\cal F}||{\cal R}|)/p+ l \cdot \mbox{\em scan}(|{\cal F}||{\cal S}|))\), where \({\cal S}\) and \({\cal R}\) are the sets of visited states and transitions in the synchronized product of the Büchi automata for the model and the property specification, \({\cal F}\) is the number of accepting states, l is the length of the shortest counterexample, and p is the number of processors. The algorithm we propose returns minimal lasso-shaped counterexamples and includes refinements for property-driven exploration.

Keywords

Model Check Linear Temporal Logic Model Check Problem Linear Temporal Logic Formula Model Check Algorithm 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Stefan Edelkamp
    • 1
  • Shahid Jabbar
    • 1
  1. 1.University of Dortmund

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