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Improving Reachability Analysis of Infinite State Systems by Specialization

Fioravanti, Fabio and Pettorossi, Alberto and Proietti, Maurizio and Senni, Valerio Improving Reachability Analysis of Infinite State Systems by Specialization. In: Reachability Problems: Proceedings of the 5th International Workshop, RP 2011. Lecture Notes in Computer Science, 6945 . Springer, pp. 165-179. ISBN 978-3-642-24287-8 (2011)

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We consider infinite state reactive systems specified by using linear constraints over the integers, and we address the problem of verifying safety properties of these systems by applying reachability analysis techniques. We propose a method based on program specialization, which improves the effectiveness of the backward and forward reachability analyses. For backward reachability our method consists in: (i) specializing the reactive system with respect to the initial states, and then (ii) applying to the specialized system a reachability analysis that works backwards from the unsafe states. For forward reachability our method works as for backward reachability, except that the role of the initial states and the unsafe states are interchanged. We have implemented our method using the MAP transformation system and the ALV verification system. Through various experiments performed on several infinite state systems, we have shown that our specialization-based verification technique considerably increases the number of successful verifications without significantly degrading the time performance.

Item Type: Book Section
Identification Number: 10.1007/978-3-642-24288-5_15
Additional Information: 5th International Workshop, RP 2011, Genoa, Italy, September 28-30, 2011
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Research Area: Computer Science and Applications
Depositing User: Users 40 not found.
Date Deposited: 18 Sep 2012 12:52
Last Modified: 07 Mar 2013 12:56
URI: http://eprints.imtlucca.it/id/eprint/1356

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