Journal article

HABERMEHL Peter and VOJNAR Tomáš. Regular Model Checking Using Inference of Regular Languages. Electronic Notes in Theoretical Computer Science. 2005, vol. 138, no. 3, pp. 21-36. ISSN 1571-0661.
Publication language:english
Original title:Regular Model Checking Using Inference of Regular Languages
Title (cs):Regulární model checking založený na učení jazyků
Book:Proceedings of the 6th International Workshop on Verification of Infinite-State Systems (INFINITY 2004)
Journal:Electronic Notes in Theoretical Computer Science, Vol. 138, No. 3, US
formal verification, model checking, parametric systems, infinite-state systems, automata theory, inference of regular languages
Regular model checking is a method for verifying infinite-state systems based on coding their configurations as words over a finite alphabet, sets of configurations as finite automata, and transitions as finite transducers. We introduce a new general approach to regular model checking based on inference of regular languages. The method builds upon the observation that for infinite-state systems whose behaviour can be modelled using length-preserving transducers,  there is a finite computation for obtaining all reachable  configurations up to a certain length n.
These configurations are a (positive) sample of the reachable configurations of the given system, whereas~all other words up to length n are a negative sample. Then, methods of inference of regular languages can be used to generalise the sample to the full reachability set (or an overapproximation of it). We have implemented our method in a prototype tool which shows that our approach is competitive on a number of concrete examples. Furthermore, in contrast to all other existing regular model checking methods, termination is guaranteed in general for all systems with regular sets of reachable configurations. The method can be applied in a similar way to dealing with reachability relations instead of reachability sets too.
   author = {Peter Habermehl and Tom{\'{a}}{\v{s}} Vojnar},
   title = {Regular Model Checking Using Inference of Regular
   pages = {21--36},
   booktitle = {Proceedings of the 6th International Workshop on
	Verification of Infinite-State Systems (INFINITY 2004)},
   journal = {Electronic Notes in Theoretical Computer Science},
   volume = 138,
 number = 3,
   year = 2005,
   ISSN = {1571-0661},
   language = {english},
   url = {}

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