Publication details

To Store or Not To Store

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Year of publication 2003
Type Article in Proceedings
Conference Computer Aided Verification (CAV 2003)
MU Faculty or unit

Faculty of Informatics

Field Informatics
Keywords explicit model checking; syntax analysis
Description To limit the explosion problem encountered during reachability analysis we suggest a variety of techniques for reducing the number of states to be stored during exploration, while maintaining the guarantee of termination and keeping the number of revisits small. The techniques include static analysis methods for component automata in order to determine small sets of covering transitions. We carry out extensive experimental investigation of the techniques within the real-time verification tool Uppaal. Our experimental results are extremely encouraging: a best combination is identified which for a variety of industrial case-studies reduces the space-consumption to less than 10% with only a moderate overhead in time-performance.
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