I/O efficient accepting cycle detection

  • Authors:
  • Jiri Barnat;Lubos Brim;Pavel Šimeček

  • Affiliations:
  • Department of Computer Science, Faculty of Informatics, Masaryk University Brno, Czech Republic;Department of Computer Science, Faculty of Informatics, Masaryk University Brno, Czech Republic;Department of Computer Science, Faculty of Informatics, Masaryk University Brno, Czech Republic

  • Venue:
  • CAV'07 Proceedings of the 19th international conference on Computer aided verification
  • Year:
  • 2007

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Abstract

We show how to adapt an existing non-DFS-based accepting cycle detection algorithm OWCTY [10,15,29] to the I/O efficient setting and compare its I/O efficiency and practical performance to the existing I/O efficient LTL model checking approach of Edelkamp and Jabbar [14]. The new algorithm exhibits similar I/O complexity with respect to the size of the graph while it avoids quadratic increase in the size of the graph. Therefore, the number of I/O operations performed is significantly lower and the algorithm exhibits better practical performance.