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DOI: 10.4230/LIPIcs.CONCUR.2017.18

Goal-Driven Unfolding of Petri Nets

Authors: Thomas Chatain and Loïc Paulevé

Published in: LIPIcs, Volume 85, 28th International Conference on Concurrency Theory (CONCUR 2017)

Abstract

Unfoldings provide an efficient way to avoid the state-space explosion due to interleavings of concurrent transitions when exploring the runs of a Petri net. The theory of adequate orders allows one to define finite prefixes of unfoldings which contain all the reachable markings. In this paper we are interested in reachability of a single given marking, called the goal. We propose an algorithm for computing a finite prefix of the unfolding of a 1-safe Petri net that preserves all minimal configurations reaching this goal. Our algorithm combines the unfolding technique with on-the-fly model reduction by static analysis aiming at avoiding the exploration of branches which are not needed for reaching the goal. We present some experimental results.

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Thomas Chatain and Loïc Paulevé. Goal-Driven Unfolding of Petri Nets. In 28th International Conference on Concurrency Theory (CONCUR 2017). Leibniz International Proceedings in Informatics (LIPIcs), Volume 85, pp. 18:1-18:16, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2017)

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@InProceedings{chatain_et_al:LIPIcs.CONCUR.2017.18,
  author =	{Chatain, Thomas and Paulev\'{e}, Lo\"{i}c},
  title =	{{Goal-Driven Unfolding of Petri Nets}},
  booktitle =	{28th International Conference on Concurrency Theory (CONCUR 2017)},
  pages =	{18:1--18:16},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-048-4},
  ISSN =	{1868-8969},
  year =	{2017},
  volume =	{85},
  editor =	{Meyer, Roland and Nestmann, Uwe},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/LIPIcs.CONCUR.2017.18},
  URN =		{urn:nbn:de:0030-drops-77730},
  doi =		{10.4230/LIPIcs.CONCUR.2017.18},
  annote =	{Keywords: model reduction; reachability; concurrency; unfoldings; Petri nets; automata networks}
}

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1 Search Results for "Chatain, Thomas"

Goal-Driven Unfolding of Petri Nets

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