A Logical Encoding of the pi-Calculus: Model Checking Mobile Processes Using Tabled Resolution

  • Authors:
  • Ping Yang;C. R. Ramakrishnan;Scott A. Smolka

  • Affiliations:
  • -;-;-

  • Venue:
  • VMCAI 2003 Proceedings of the 4th International Conference on Verification, Model Checking, and Abstract Interpretation
  • Year:
  • 2002

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Abstract

We present MMC, a model checker for mobile systems specified in the style of the 驴-calculus. MMC's development builds on our experience gained in developing XMC, a model checker for an extension of Milner's value-passing calculus implemented using the XSB tabled logic-programming system. MMC, however, is not simply an extension of XMC; rather it is virtually a complete re-implementation that addresses the salient issues that arise in the 驴-calculus, including scope extrusion and intrusion, and dynamic generation of new names to avoid name capture. We show that tabled logic programming is especially suitable as an efficient implementation platform for model checking 驴-calculus specifications, and can be used to obtain an exact encoding of the 驴-calculus's transitional semantics. Moreover, MMC is easily extended to handle process expressions in the spi-calculus. Our experimental data shows that MMC outperforms other known tools for model checking the 驴-calculus.