In implementation verification, we check that an implementation is correct with respect to a specification by checking whether the behaviors of a transition system that models the program's implementation correlate with the behaviors of a transition system that models its specification. In this paper, we investigate the effect of concurrency on the complexity of implementation verification. We consider trace-based and tree-based approaches to the verification of concurrent transition systems, with and without fairness. Our results show that in almost all cases the complexity of the problem is exponentially harder than that of the sequential case. Thus, as in the model-checking verification methodology, the stateexplosion problem cannot be avoided.
CITATION STYLE
Harel, D., Kupferman, O., & Vardi, M. Y. (1997). On the complexity of verifying concurrent transition systems. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 1243, pp. 258–272). Springer Verlag. https://doi.org/10.1007/3-540-63141-0_18
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