Verification of railway interlocking systems
- Title
- Verification of railway interlocking systems
- Authors
- Simon Busard, Quentin Cappart, Christophe Limbrée?, Charles Pecheur, Pierre Schaus
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- Type
- In Proceedings
- Book title
- Proceedings 4th International Workshop on Engineering Safety and Security Systems, Oslo, Norway, June 22, 2015
- Series
- Electronic Proceedings in Theoretical Computer Science
- Volume
- 184
- Pages
- 19-31
- Publisher
- Open Publishing Association
- Editor
- ang, Jun and Liu, Yang and Mauw, Sjouke
- Year
- 2015
Abstract
In the railway domain, an interlocking is a computerised system that controls the railway signalling objects in order to allow a safe operation of the train traffic. Each interlocking makes use of particular data, called application data, that reflects the track layout of the station under control. The verification and validation of the application data are performed manually and is thus error-prone and costly. In this paper, we explain how we built an executable model in NuSMV of a railway interlocking based on the application data. We also detail the tool that we have developed in order to translate the application data into our model automatically. Finally we show how we could verify a realistic set of safety properties on a real-size station model by customizing the existing model-checking algorithm with PyNuSMV a Python library based on NuSMV.
Tags: Verification, Model Checking, Railway
- BibTeX Record
@INPROCEEDINGS{lvl-2015-225165, TITLE = {Verification of railway interlocking systems}, AUTHOR = {Simon Busard and Quentin Cappart and Christophe Limbr\ee and }, YEAR = {2015}, VOLUME = {184}, PAGES = {19-31}, PUBLISHER = {Open Publishing Association}, EDITOR = {ang and Jun and Liu and Yang and Mauw and Sjouke}, SERIES = {Electronic Proceedings in Theoretical Computer Science}, URL = {https://lvl.info.ucl.ac.be/Publications/VerificationOfRailwayInterlockingSystems}, }