Branching processes of high-level Petri nets

  • Authors:
  • Victor Khomenko;Maciej Koutny

  • Affiliations:
  • School of Computing Science, University of Newcastle, Newcastle upon Tyne, UK;School of Computing Science, University of Newcastle, Newcastle upon Tyne, UK

  • Venue:
  • TACAS'03 Proceedings of the 9th international conference on Tools and algorithms for the construction and analysis of systems
  • Year:
  • 2003

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Abstract

In this paper, we define branching processes and unfoldings of high-level Petri nets and propose an algorithm which builds finite and complete prefixes of such unfoldings. The advantage of our method is that it avoids a potentially expensive translation of a high-level Petri net into a low-level one. The approach is conservative as all the verification tools employing the traditional unfoldings can be reused with prefixes derived directly from high-level nets. We show that this is often better than the usual explicit construction of the intermediate low-level net.