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Erschienen in:
2010 | OriginalPaper | Buchkapitel
Termination Analysis with Compositional Transition Invariants
verfasst von : Daniel Kroening, Natasha Sharygina, Aliaksei Tsitovich, Christoph M. Wintersteiger
Erschienen in: Computer Aided Verification
Verlag: Springer Berlin Heidelberg
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Modern termination provers rely on a safety checker to construct disjunctively well-founded transition invariants. This safety check is known to be the bottleneck of the procedure. We present an alternative algorithm that uses a light-weight check based on transitivity of ranking relations to prove program termination. We provide an experimental evaluation over a set of 87 Windows drivers, and demonstrate that our algorithm is often able to conclude termination by examining only a small fraction of the program. As a consequence, our algorithm is able to outperform known approaches by multiple orders of magnitude.