A Polynomial-Time Checkable Sufficient Condition for Deadlock-Freedom of Component-Based Systems

  • Authors:
  • Mila Majster-Cederbaum;Moritz Martens;Christoph Minnameier

  • Affiliations:
  • Institut für Informatik, Universität Mannheim, Germany;Institut für Informatik, Universität Mannheim, Germany;Institut für Informatik, Universität Mannheim, Germany

  • Venue:
  • SOFSEM '07 Proceedings of the 33rd conference on Current Trends in Theory and Practice of Computer Science
  • Year:
  • 2007

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Abstract

Interaction systems are a formal model for component-based systems. Combining components via connectors to form more complex systems may give rise to deadlock situations. Deciding the existence of deadlocks is NP-hard as it involves global state analysis. We present here a parametrized polynomial-time algorithm that is able to confirm deadlock-freedom for a certain class of interaction systems. The discussion includes characteristic examples and displays the role of the parameter of the algorithm.