Converting A Subset of LTL Formula to Buchi Automata

 Paper Title: 

Converting A Subset of LTL Formula to Buchi Automata

Authors: 

Bilal Kanso and Ali Kansou, Lebanese University, Beirut

Abstract:

The translation of LTL formula into equivalent Büchi automata plays an important role in many algorithms for LTL model checking, which consist in obtaining a Büchi automaton that is equivalent to the software system specification and another one that is equivalent to the negation of the property. The intersection of the two Büchi automata is empty if the model satisfies the property.

Generating the Büchi automaton corresponding to an LTL formula may, in the worst case, be exponential in the size of the formula, making the model checking effort exponential in the size of the original formula. There is no polynomial solution for checking emptiness of the intersection. That comes from the translation step of LTL formula into finite state models. This makes verification methods hard or even impossible to be implemented in practice. In this paper, we propose a subset of LTL formula which can be converted to Büchi automata whose the size is polynomial.

Keywords:

Linear Temporal Logic, Büchi automata, Model checking, Compositional modelling

Volume URL: https://www.airccse.org/journal/ijsea/vol10.html

Abstract URL: https://aircconline.com/abstract/ijsea/v10n2/10219ijsea04.html

Pdf URL: https://aircconline.com/ijsea/V10N2/10219ijsea04.pdf

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