Abstract
Software systems assembled from a large number of autonomous components become an interesting target for formal verification due to the issue of correct interplay in component interaction. State/event LTL [1,2] incorporates both states and events to express important properties of component-based software systems.
The main contribution of the paper is a partial order reduction technique for verification of state/event LTL properties. The core of the partial order reduction is a novel notion of stuttering equivalence which we call state/event stuttering equivalence. The positive attribute of the equivalence is that it can be resolved with existing methods for partial order reduction. State/event LTL properties are, in general, not preserved under state/event stuttering equivalence. To this end we define a new logic, called weak state/event LTL, which is invariant under the new equivalence.
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Beneš, N., Brim, L., Černá, I., Sochor, J., Vařeková, P., Zimmerova, B. (2009). Partial Order Reduction for State/Event LTL. In: Leuschel, M., Wehrheim, H. (eds) Integrated Formal Methods. IFM 2009. Lecture Notes in Computer Science, vol 5423. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-00255-7_21
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