Symbolic Context-Bounded Analysis of Multithreaded Java Programs

  • Dejvuth Suwimonteerabuth
  • Javier Esparza
  • Stefan Schwoon
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5156)

Abstract

The reachability problem is undecidable for programs with both recursive procedures and multiple threads with shared memory. Approaches to this problem have been the focus of much recent research. One of these is to use context-bounded reachability, i.e. to consider only those runs in which the active thread changes at most k times, where k is fixed. However, to the best of our knowledge, context-bounded reachability has not been implemented in any tool so far, primarily because its worst-case runtime is prohibitively high, i.e. O(nk), where n is the size of the shared memory. Moreover, existing algorithms for context-bounded reachability do not admit a meaningful symbolic implementation (e.g., using BDDs) to reduce the run-time in practice. In this paper, we propose an improvement that overcomes this problem. We have implemented our approach in the tool jMoped and report on experiments.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Dejvuth Suwimonteerabuth
    • 1
  • Javier Esparza
    • 1
  • Stefan Schwoon
    • 1
  1. 1.Technische Universität MünchenGarchingGermany

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