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Erschienen in:
2014 | OriginalPaper | Buchkapitel
A Framework to Synergize Partial Order Reduction with State Interpolation
verfasst von : Duc-Hiep Chu, Joxan Jaffar
Erschienen in: Hardware and Software: Verification and Testing
Verlag: Springer International Publishing
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We address the problem of reasoning about interleavings in safety verification of concurrent programs. In the literature, there are two prominent techniques for pruning the search space. First, there are wellinvestigated
trace-based
methods, collectively known as “Partial Order Reduction
(POR)
”, which operate by weakening the concept of a trace by abstracting the total order of its transitions into a partial order. Second, there is
state-based
interpolation where a collection of formulas can be generalized by taking into account the property to be verified. Our main contribution is a framework that
synergistically
combines POR with state interpolation so that the sum is more than its parts.