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Volume 25 Issue 6
October  2010
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Xu-Tao Du, Chun-Xiao Xing, Li-Zhu Zhou. Modeling and Verifying Concurrent Programs with Finite Chu Spaces[J]. Journal of Computer Science and Technology, 2010, 25(6): 1168-1183. DOI: 10.1007/s11390-010-1093-4
Citation: Xu-Tao Du, Chun-Xiao Xing, Li-Zhu Zhou. Modeling and Verifying Concurrent Programs with Finite Chu Spaces[J]. Journal of Computer Science and Technology, 2010, 25(6): 1168-1183. DOI: 10.1007/s11390-010-1093-4
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Modeling and Verifying Concurrent Programs with Finite Chu Spaces

  • 1. Department of Computer Science and Technology, Tsinghua University, Beijing 100084, China;
    2. Research Institute of Information Technology, Tsinghua University, Beijing 100084, China

Funds: This work is supported by the National High-Tech Research and Development 863 Program of China under Grant No. 2009AA01Z143, and the Research Foundation of the Ministry of Railways and Tsinghua University under Grant No. J2008X009.
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  • Author Bio:

    Xu-Tao Du is currently a Ph.D. candidate in the Department ofComputer Science and Technology, Tsinghua University, China.His primary research interest is in the area of formal semantics ofprogramming languages, process algebra, formal methods in softwareverification and uncertainty analysis.

    Chun-Xiao Xing is a professor at the Research Institute of Information Technology,Tsinghua University, China.He received the Ph.D. degree from the Department of Automatic Control,Northwestern Polytechnical University, Xi'an, China.His research interests include data-driven systems, digital library systems and e-commerce.He is a member of the CCF and IEEE.

    Li-Zhu Zhou is a professor at the Department of Computer Science and Technology,Tsinghua University, China.His areas of research interest include high confidence software, database systems,search engines and data mining.He is a member of the ACM.

  • Received Date: July 14, 2009
  • Revised Date: January 26, 2010
  • Published Date: October 31, 2010
    Abstract
  • Finite Chu spaces are proposed for the modeling and verification of concurrent programs. In order to model not only typical concurrent behaviors but also modern exception handling and synchronization mechanisms, we design an enriched process algebra of Chu spaces from a practical point of view. To illustrate the power of finite Chu spaces and the process algebra while abstracting away from language-specific details, an imaginary concurrent programming language (ICL) is designed. A denotational semantics of ICL is presented using finite Chu spaces and the enriched process algebra. The valuation functions are fairly straightforward since the carefully designed operators have done much of the job. The enriched process algebra is also used as the specification language for Chu spaces, with which process-algebraic properties can be specified. Verification algorithms are presented with their time complexities discussed.
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