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ABDULLA, P. CHEN, Y. CLEMENTE, L. HOLÍK, L. HONG, C. MAYR, R. VOJNAR, T.
Original Title
Advanced Ramsey-based Büchi Automata Inclusion Testing
Type
journal article - other
Language
English
Original Abstract
Checking language inclusion between two nondeterministic Büchi automata A and B is computationally hard (PSPACE-complete). However, several approaches which are efficient in many practical cases have been proposed. We build on one of these, which is known as the Ramsey-based approach. It has recently been shown that the basic Ramsey-based approach can be drastically optimized by using powerful subsumption techniques, which allow one to prune the search-space when looking for counterexamples to inclusion. While previous works only used subsumption based on set inclusion or forward simulation on A and B, we propose the following new techniques: (1) A larger subsumption relation based on a combination of backward and forward simulations on A and B. (2) A method to additionally use forward simulation between A and B. (3) Abstraction techniques that can speed up the computation and lead to early detection of counterexamples. The new algorithm was implemented and tested on automata derived from real-world model checking benchmarks, and on the Tabakov-Vardi random model, thus showing the usefulness of the proposed techniques.
Keywords
Büchi automata, inclusion checking, Ramsey theorem, simulation relations
Authors
ABDULLA, P.; CHEN, Y.; CLEMENTE, L.; HOLÍK, L.; HONG, C.; MAYR, R.; VOJNAR, T.
RIV year
2011
Released
25. 7. 2011
ISBN
0302-9743
Periodical
Lecture Notes in Computer Science
Year of study
Number
6901
State
Federal Republic of Germany
Pages from
187
Pages to
202
Pages count
16
URL
http://www.springerlink.com/content/e14t15u580x7n332
BibTex
@article{BUT76413, author="Parosh {Abdulla} and Yu-Fang {Chen} and Lorenzo {Clemente} and Lukáš {Holík} and Chih-Duo {Hong} and Richard {Mayr} and Tomáš {Vojnar}", title="Advanced Ramsey-based Büchi Automata Inclusion Testing", journal="Lecture Notes in Computer Science", year="2011", volume="2011", number="6901", pages="187--202", issn="0302-9743", url="http://www.springerlink.com/content/e14t15u580x7n332" }