Abstract
We present an automatic technique for the detection of structural symmetry in a model directly from its Promela specification. Our approach involves finding the static channel diagram of the model, a graphical representation of channel-based system communication; computing the group of symmetries of this diagram; and computing the largest possible subgroup of these symmetries which induce automorphisms of the underlying model. We describe a tool, SymmExtractor, which, for a given model and LTL property, uses our approach to find a group of symmetries of the model which preserve the property. This group can then be used for symmetry reduction during model checking using existing quotient-based methods. Unlike previous approaches, our method can detect arbitrary structural symmetries arising from the communication structure of the model.
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Donaldson, A.F., Miller, A. (2005). Automatic Symmetry Detection for Model Checking Using Computational Group Theory. In: Fitzgerald, J., Hayes, I.J., Tarlecki, A. (eds) FM 2005: Formal Methods. FM 2005. Lecture Notes in Computer Science, vol 3582. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11526841_32
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DOI: https://doi.org/10.1007/11526841_32
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-27882-5
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