A Proof System for Communicating Sequential Processes

Author:

Apt Krzysztof R.1,Francez Nissim2,de Roever Willem P.2

Affiliation:

1. Faculty of Economics, University of Rotterdam, P.O. Box 1738, 3000 DR Rotterdam, The Netherlands

2. Department of Computer Science, Technion-Israel Institute of Technology, Haifa, Israel and Department of Computer Science, University of Utrecht, P.O. Box 80.002, 3508 TA Utrecht, The Netherlands

Abstract

An axiomatic proof system is presented for proving partial correctness and absence of deadlock (and failure) of communicating sequential processes. The key (meta) rule introduces cooperation between proofs, a new concept needed to deal with proofs about synchronization by message passing. CSP's new convention for distributed termination of loops is dealt with. Applications of the method involve correctness proofs for two algorithms, one for distributed partitioning of sets, the other for distributed computation of the greatest common divisor of n numbers.

Publisher

Association for Computing Machinery (ACM)

Subject

Software

Reference16 articles.

1. APT K.R. Recursive assertions and parallel programs. Submitted for publication. APT K.R. Recursive assertions and parallel programs. Submitted for publication.

2. APT K.R. DE ROEVER W.P. AND FRANCEZ N. Weakest precondition semantics for communicaring processes. To appear. APT K.R. DE ROEVER W.P. AND FRANCEZ N. Weakest precondition semantics for communicaring processes. To appear.

3. Proving assertions about parallel programs;ASHCRO~;J. Comput. Syst. Sci.,1975

4. Distributed Termination

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