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DOI: 10.4230/LIPIcs.RTA.2012.225
URN: urn:nbn:de:0030-drops-34959
URL: http://drops.dagstuhl.de/opus/volltexte/2012/3495/
Lisitsa, Alexei

Finite Models vs Tree Automata in Safety Verification

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Abstract

In this paper we deal with verification of safety properties of term-rewriting systems. The verification problem is translated to a purely logical problem of finding a finite countermodel for a first-order formula, which is further resolved by a generic finite model finding procedure. A finite countermodel produced during successful verification provides with a concise description of the system invariant sufficient to demonstrate a specific safety property. We show the relative completeness of this approach with respect to the tree automata completion technique. On a set of examples taken from the literature we demonstrate the efficiency of finite model finding approach as well as its explanatory power.

BibTeX - Entry

@InProceedings{lisitsa:LIPIcs:2012:3495,
  author =	{Alexei Lisitsa},
  title =	{{Finite Models vs Tree Automata in Safety Verification}},
  booktitle =	{23rd International Conference on Rewriting Techniques and Applications (RTA'12) },
  pages =	{225--239},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-939897-38-5},
  ISSN =	{1868-8969},
  year =	{2012},
  volume =	{15},
  editor =	{Ashish Tiwari},
  publisher =	{Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{http://drops.dagstuhl.de/opus/volltexte/2012/3495},
  URN =		{urn:nbn:de:0030-drops-34959},
  doi =		{http://dx.doi.org/10.4230/LIPIcs.RTA.2012.225},
  annote =	{Keywords: term-rewriting systems, safety verification, first-order logic, finite model finding}
}

Keywords: term-rewriting systems, safety verification, first-order logic, finite model finding
Seminar: 23rd International Conference on Rewriting Techniques and Applications (RTA'12)
Issue date: 2012
Date of publication: 15.05.2012

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