Timed Lossy Channel Systems

Authors Parosh Aziz Abdulla, Mohamed Faouzi Atig, Jonathan Cederberg

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Parosh Aziz Abdulla
Mohamed Faouzi Atig
Jonathan Cederberg

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Parosh Aziz Abdulla, Mohamed Faouzi Atig, and Jonathan Cederberg. Timed Lossy Channel Systems. In IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science (FSTTCS 2012). Leibniz International Proceedings in Informatics (LIPIcs), Volume 18, pp. 374-386, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2012)


Lossy channel systems are a classical model with applications ranging from the modeling of communication protocols to programs running on weak memory models. All existing work assume that messages traveling inside the channels are picked from a finite alphabet. In this paper, we extend the model by assuming that each message is equipped with a clock representing the age of the message, thus obtaining the model of Timed Lossy Channel Systems (TLCS). The main contribution of the paper is to show that the control state reachability problem is decidable for TLCS.
  • Lossy channel systems
  • timed automata
  • model checking


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