License: Creative Commons Attribution 3.0 Unported license (CC BY 3.0)
When quoting this document, please refer to the following
DOI: 10.4230/LIPIcs.CONCUR.2017.16
URN: urn:nbn:de:0030-drops-78079
URL: http://dagstuhl.sunsite.rwth-aachen.de/volltexte/2017/7807/
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Bouajjani, Ahmed ; Enea, Constantin ; Wang, Chao

Checking Linearizability of Concurrent Priority Queues

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LIPIcs-CONCUR-2017-16.pdf (0.7 MB)

Abstract

Efficient implementations of concurrent objects such as atomic collections are essential to modern computing. Unfortunately their correctness criteria — linearizability with respect to given ADT specifications — are hard to verify. Verifying linearizability is undecidable in general, even on classes of implementations where the usual control-state reachability is decidable. In this work we consider concurrent priority queues which are fundamental to many multi-threaded applications like task scheduling or discrete event simulation, and show that verifying linearizability of such implementations is reducible to control-state reachability. This reduction entails the first decidability results for verifying concurrent priority queues with an unbounded number of threads, and it enables the application of existing safety-verification tools for establishing their correctness.

BibTeX - Entry

@InProceedings{bouajjani_et_al:LIPIcs:2017:7807,
  author =	{Ahmed Bouajjani and Constantin Enea and Chao Wang},
  title =	{{Checking Linearizability of Concurrent Priority Queues}},
  booktitle =	{28th International Conference on Concurrency Theory (CONCUR 2017)},
  pages =	{16:1--16:16},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-048-4},
  ISSN =	{1868-8969},
  year =	{2017},
  volume =	{85},
  editor =	{Roland Meyer and Uwe Nestmann},
  publisher =	{Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{http://drops.dagstuhl.de/opus/volltexte/2017/7807},
  URN =		{urn:nbn:de:0030-drops-78079},
  doi =		{10.4230/LIPIcs.CONCUR.2017.16},
  annote =	{Keywords: Concurrency, Linearizability, Model Checking}
}

Keywords: Concurrency, Linearizability, Model Checking
Collection: 28th International Conference on Concurrency Theory (CONCUR 2017)
Issue Date: 2017
Date of publication: 01.09.2017

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