Using MTBDDs for Discrete Timed Symbolic Model Checking

  • Authors:
  • T. Kropf;J. Ruf

  • Affiliations:
  • Institute of Computer Design and Fault Tolerance (Prof. D. Schmid), University of Karlsruhe, Kaiserstr. 12, 76128 Karlsruhe, Germany;Institute of Computer Design and Fault Tolerance (Prof. D. Schmid), University of Karlsruhe, Kaiserstr. 12, 76128 Karlsruhe, Germany

  • Venue:
  • EDTC '97 Proceedings of the 1997 European conference on Design and Test
  • Year:
  • 1997

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Abstract

The verification of timing properties is an important task in the validation process of embedded and real time systems. Temporal logic model checking is one of the most successful techniques as it allows the complete automation of the verification. In this paper, we present a new approach to symbolic QCTL (Quantitative CTL) model checking. In contrast to previous approaches we use an intuitive QCTL semantics, provide an efficient model representation and the new algorithms require less iteration steps compared to translating the QCTL problem into CTL and using standard CTL model checking techniques. The new model checking algorithm is based on a MTBDD representation. Some experimental results show the efficiency of the new approach.