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DOI: 10.4230/LIPIcs.ITP.2022.33

Compositional Verification of Interacting Systems Using Event Monads

Authors: Bohua Zhan, Yi Lv, Shuling Wang, Gehang Zhao, Jifeng Hao, Hong Ye, and Bican Xia

Published in: LIPIcs, Volume 237, 13th International Conference on Interactive Theorem Proving (ITP 2022)

Abstract

Large software systems are usually divided into multiple components that interact with each other. How to verify interacting components in a modular way is one of the major problems in formal verification. In many cases, interaction between components can be modeled asynchronously, where events are sent without requiring a response in order to continue with execution of the component. In this paper, we propose a lightweight, event-based framework for verification of components with asynchronous interaction. We define event monads and event systems, and a Hoare logic-style calculus for reasoning about them. The framework is implemented in Isabelle and applied to several case studies, including models for distributed computing, cache-coherence protocols, and verification of partition scheduling in a real-time operating system.

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Bohua Zhan, Yi Lv, Shuling Wang, Gehang Zhao, Jifeng Hao, Hong Ye, and Bican Xia. Compositional Verification of Interacting Systems Using Event Monads. In 13th International Conference on Interactive Theorem Proving (ITP 2022). Leibniz International Proceedings in Informatics (LIPIcs), Volume 237, pp. 33:1-33:21, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2022)

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@InProceedings{zhan_et_al:LIPIcs.ITP.2022.33,
  author =	{Zhan, Bohua and Lv, Yi and Wang, Shuling and Zhao, Gehang and Hao, Jifeng and Ye, Hong and Xia, Bican},
  title =	{{Compositional Verification of Interacting Systems Using Event Monads}},
  booktitle =	{13th International Conference on Interactive Theorem Proving (ITP 2022)},
  pages =	{33:1--33:21},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-252-5},
  ISSN =	{1868-8969},
  year =	{2022},
  volume =	{237},
  editor =	{Andronick, June and de Moura, Leonardo},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ITP.2022.33},
  URN =		{urn:nbn:de:0030-drops-167420},
  doi =		{10.4230/LIPIcs.ITP.2022.33},
  annote =	{Keywords: Hoare Logic, Compositional Verification, Events}
}

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Compositional Verification of Interacting Systems Using Event Monads

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