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  • 标题:Model Checking Flat Freeze LTL on One-Counter Automata
  • 本地全文:下载
  • 作者:Antonia Lechner ; Richard Mayr ; Jo{\"e}l Ouaknine
  • 期刊名称:LIPIcs : Leibniz International Proceedings in Informatics
  • 电子版ISSN:1868-8969
  • 出版年度:2016
  • 卷号:59
  • 页码:29:1-29:14
  • DOI:10.4230/LIPIcs.CONCUR.2016.29
  • 出版社:Schloss Dagstuhl -- Leibniz-Zentrum fuer Informatik
  • 摘要:Freeze LTL is a temporal logic with registers that is suitable for specifying properties of data words. In this paper we study the model checking problem for Freeze LTL on one-counter automata. This problem is known to be undecidable in full generality and PSPACE-complete for the special case of deterministic one-counter automata. Several years ago, Demri and Sangnier investigated the model checking problem for the flat fragment of Freeze LTL on several classes of counter automata and posed the decidability of model checking flat Freeze LTL on one-counter automata as an open problem. In this paper we resolve this problem positively, utilising a known reduction to a reachability problem on one-counter automata with parameterised equality and disequality tests. Our main technical contribution is to show decidability of the latter problem by translation to Presburger arithmetic.
  • 关键词:one-counter automata; disequality tests; reachability; freeze LTL; Presburger arithmetic
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