During explicit software model checking, the tools spend a lot of time in state matching. This is implied not only by processing a huge number of states, but also by the fact that state representation is usually not small either. In this article, we present two dead variable analyses; applying them during the code-model-checking process results in size reduction of both state representation and explored state space itself. We implemented the analyses inside Java PathFinder and evaluate their impact in terms of memory and time reduction using several non-trivial benchmarks.
Formal Aspects of Computing – Springer Journals
Published: Jan 23, 2017
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