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The HOL-CSP Refinement Toolkit
| Title: | The HOL-CSP Refinement Toolkit |
| Authors: | Safouan Taha (safouan /dot/ taha /at/ lri /dot/ fr), Burkhart Wolff and Lina Ye (lina /dot/ ye /at/ lri /dot/ fr) |
| Submission date: | 2020-11-19 |
| Abstract: | We use a formal development for CSP, called HOL-CSP2.0, to analyse a family of refinement notions, comprising classic and new ones. This analysis enables to derive a number of properties that allow to deepen the understanding of these notions, in particular with respect to specification decomposition principles for the case of infinite sets of events. The established relations between the refinement relations help to clarify some obscure points in the CSP literature, but also provide a weapon for shorter refinement proofs. Furthermore, we provide a framework for state-normalisation allowing to formally reason on parameterised process architectures. As a result, we have a modern environment for formal proofs of concurrent systems that allow for the combination of general infinite processes with locally finite ones in a logically safe way. We demonstrate these verification-techniques for classical, generalised examples: The CopyBuffer for arbitrary data and the Dijkstra's Dining Philosopher Problem of arbitrary size. |
| BibTeX: |
@article{CSP_RefTK-AFP,
author = {Safouan Taha and Burkhart Wolff and Lina Ye},
title = {The HOL-CSP Refinement Toolkit},
journal = {Archive of Formal Proofs},
month = nov,
year = 2020,
note = {\url{https://isa-afp.org/entries/CSP_RefTK.html},
Formal proof development},
ISSN = {2150-914x},
}
|
| License: | BSD License |
| Depends on: | HOL-CSP |
| Status: [ok] | This is a development version of this entry. It might change over time and is not stable. Please refer to release versions for citations. |
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