Realizability of dynamic MSC languages

  • Authors:
  • Benedikt Bollig;Loïc Hélouët

  • Affiliations:
  • LSV, ENS Cachan, CNRS, INRIA, France;IRISA, INRIA, Rennes, France

  • Venue:
  • CSR'10 Proceedings of the 5th international conference on Computer Science: theory and Applications
  • Year:
  • 2010

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Abstract

We introduce dynamic communicating automata (DCA), an extension of communicating finite-state machines that allows for dynamic creation of processes. Their behavior can be described as sets of message sequence charts (MSCs). We consider the realizability problem for DCA: given a dynamic MSC grammar (a high-level MSC specification), is there a DCA defining the same set of MSCs? We show that this problem is decidable in doubly exponential time, and identify a class of realizable grammars that can be implemented by finite DCA.