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A proof technique for parallel programs. (English) Zbl 0543.68010
Summary: In this paper we present a set of axioms and rules of inference for a parallel programming language with shared variables and synchronization statements. The important difference between our approach and that of S. Owicki and D. Gries [Commun. ACM 19, 279-285 (1976; Zbl 0322.68010)] is that our semantics does not contain anything similar to their ’inference freedom’ check, resulting in a much greater isolation of the proofs of the individual processes than is possible in their system. We illustrate our proof technique with some simple examples.

MSC:
68Q60 Specification and verification (program logics, model checking, etc.)
68N25 Theory of operating systems
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References:
[1] Hoarc, C.A.R., Communicating sequential processes, Comm. ACM, 21, 666-667, (1978) · Zbl 0383.68028
[2] Owicki, S.S.; Gries, D., An axiomatic proof technique for parallel programs, Acta. inform., 6, 319-340, (1976) · Zbl 0312.68011
[3] Owicki, S.S.; Gries, D., Verifying properties of parallel programs: an axiomatic approach, Comm. ACM, 19, 279-285, (1976) · Zbl 0322.68010
[4] Rosen, B.K., Correctness of parallel programs: the church-rosser approach, IBM res. rept. RC5107, (1974)
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