Verification of Orchestration Systems Using Compositional Partial Order Reduction

  • Tian Huat Tan
  • Yang Liu
  • Jun Sun
  • Jin Song Dong
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6991)

Abstract

Orc is a computation orchestration language which is designed to specify computational services, such as distributed communication and data manipulation, in a concise and elegant way. Four concurrency primitives allow programmers to orchestrate site calls to achieve a goal, while managing timeouts, priorities, and failures. To guarantee the correctness of Orc model, effective verification support is desirable. Orc has a highly concurrent semantics which introduces the problem of state-explosion to search-based verification methods like model checking. In this paper, we present a new method, called Compositional Partial Order Reduction (CPOR), which aims to provide greater state-space reduction than classic partial order reduction methods in the context of hierarchical concurrent processes. Evaluation shows that CPOR is more effective in reducing the state space than classic partial order reduction methods.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Tian Huat Tan
    • 1
  • Yang Liu
    • 2
  • Jun Sun
    • 3
  • Jin Song Dong
    • 2
  1. 1.NUS Graduate School for Integrative Sciences and EngineeringSingapore
  2. 2.School of ComputingNational University of SingaporeSingapore
  3. 3.Singapore University of Technology and DesignSingapore

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