Conference paper

ABDULLA Parosh A., ATIG Mohamed F., HOLÍK Lukáš, CHEN Yu-Fang, RUMMER Philipp and STENMAN Jari. String Constraints for Verification. In: 26th International Conference on Computer Aided Verification. Berlin: Springer Verlag, 2014, pp. 150-166. ISBN 978-3-319-08866-2. Available from: http://link.springer.com/chapter/10.1007/978-3-319-08867-9_10
Publication language:english
Original title:String Constraints for Verification
Title (cs):Logika nad řetězci s použitím ve verifikaci
Pages:150-166
Proceedings:26th International Conference on Computer Aided Verification
Conference:26th International Conference on Computer Aided Verification -- CAV 2014
Series:Lecture Notes in Computer Science, Volume 8559
Place:Berlin, DE
Year:2014
URL:http://link.springer.com/chapter/10.1007/978-3-319-08867-9_10
ISBN:978-3-319-08866-2
Publisher:Springer Verlag
Keywords
verification
string
logic
Annotation
We present a decision procedure for a logic that combines
(i) word equations over string variables denoting words of arbitrary
lengths, together with (ii) constraints on the length of words, and on (iii) the regular languages to which words belong. Decidability of this general logic is still open. Our procedure is sound for the general logic, and a decision procedure for a particularly rich fragment that restricts the form in which word equations are written. In contrast to many existing procedures, our method does not make assumptions about the maximum length of words. We have developed a prototypical implementation of our decision procedure, and integrated it into a CEGAR-based model checker for the analysis of programs encoded as Horn clauses. Our tool is able to automatically establish the correctness of several programs
that are beyond the reach of existing methods.
BibTeX:
@INPROCEEDINGS{
   author = {A. Parosh Abdulla and F. Mohamed Atig and Luk{\'{a}}{\v{s}}
	Hol{\'{i}}k and Yu-Fang Chen and Philipp Rummer and Jari
	Stenman},
   title = {String Constraints for Verification},
   pages = {150--166},
   booktitle = {26th International Conference on Computer Aided Verification},
   series = {Lecture Notes in Computer Science, Volume 8559},
   year = {2014},
   location = {Berlin, DE},
   publisher = {Springer Verlag},
   ISBN = {978-3-319-08866-2},
   language = {english},
   url = {http://www.fit.vutbr.cz/research/view_pub.php?id=10699}
}

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