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Improving Non-Progress Cycle Checks
[chapter]
<span title="">2009</span>
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<a target="_blank" rel="noopener" href="https://fatcat.wiki/container/2w3awgokqne6te4nvlofavy5a4" style="color: black;">Lecture Notes in Computer Science</a>
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This paper introduces a new model checking algorithm that searches for non-progress cycles, used mainly to check for livelocks. The algorithm performs an incremental depth-first search, i.e., it searches through the graph incrementally deeper. It simultaneously constructs the state space and searches for non-progress cycles. The algorithm is more efficient than the method the model checker SPIN currently uses, and finds shortest (w.r.t. progress) counterexamples. Its only downside is the need
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... r a subsequent reachability depth-first search (which is not the bottleneck) for constructing a full counterexample. The new algorithm is better combinable with partial order reduction than SPIN's method.
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