Effortless Fault Localisation: Conformance Testing of Real-Time Systems in Ecdar

Model checking of real-time systems has evolved throughout the years. Recently, the model checker Ecdar, using timed I/O automata, was used to perform compositional verification. However, in order to fully integrate model checking of real-time systems into industrial development, we need a productiv...

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Main Authors: Tobias R. Gundersen, Florian Lorber, Ulrik Nyman, Christian Ovesen
Format: Article
Language:English
Published: Open Publishing Association 2018-09-01
Series:Electronic Proceedings in Theoretical Computer Science
Online Access:http://arxiv.org/pdf/1809.03889v1
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author Tobias R. Gundersen
Florian Lorber
Ulrik Nyman
Christian Ovesen
author_facet Tobias R. Gundersen
Florian Lorber
Ulrik Nyman
Christian Ovesen
author_sort Tobias R. Gundersen
collection DOAJ
description Model checking of real-time systems has evolved throughout the years. Recently, the model checker Ecdar, using timed I/O automata, was used to perform compositional verification. However, in order to fully integrate model checking of real-time systems into industrial development, we need a productive and reliable way to test if such a system conforms to its corresponding model. Hence, we present an extension of Ecdar that integrates conformance testing into a new IDE that now features modelling, verification, and testing. The new tool uses model-based mutation testing, requiring only the model and the system under test, to locate faults and to prove the absence of certain types of faults. It supports testing using either real-time or simulated time. It parallelises test-case generation and test execution to provide a significant speed-up. We also introduce new mutation operators that improve the ability to detect and locate faults. Finally, we conduct a case study with 140 faulty systems, where Ecdar detects all faults.
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spelling doaj.art-c629997cb8a4465e9374eacff72763772022-12-22T03:10:48ZengOpen Publishing AssociationElectronic Proceedings in Theoretical Computer Science2075-21802018-09-01277Proc. GandALF 201814716010.4204/EPTCS.277.11:10Effortless Fault Localisation: Conformance Testing of Real-Time Systems in EcdarTobias R. Gundersen0Florian Lorber1Ulrik Nyman2Christian Ovesen3 Aalborg University Aalborg University Aalborg University Aalborg University Model checking of real-time systems has evolved throughout the years. Recently, the model checker Ecdar, using timed I/O automata, was used to perform compositional verification. However, in order to fully integrate model checking of real-time systems into industrial development, we need a productive and reliable way to test if such a system conforms to its corresponding model. Hence, we present an extension of Ecdar that integrates conformance testing into a new IDE that now features modelling, verification, and testing. The new tool uses model-based mutation testing, requiring only the model and the system under test, to locate faults and to prove the absence of certain types of faults. It supports testing using either real-time or simulated time. It parallelises test-case generation and test execution to provide a significant speed-up. We also introduce new mutation operators that improve the ability to detect and locate faults. Finally, we conduct a case study with 140 faulty systems, where Ecdar detects all faults.http://arxiv.org/pdf/1809.03889v1
spellingShingle Tobias R. Gundersen
Florian Lorber
Ulrik Nyman
Christian Ovesen
Effortless Fault Localisation: Conformance Testing of Real-Time Systems in Ecdar
Electronic Proceedings in Theoretical Computer Science
title Effortless Fault Localisation: Conformance Testing of Real-Time Systems in Ecdar
title_full Effortless Fault Localisation: Conformance Testing of Real-Time Systems in Ecdar
title_fullStr Effortless Fault Localisation: Conformance Testing of Real-Time Systems in Ecdar
title_full_unstemmed Effortless Fault Localisation: Conformance Testing of Real-Time Systems in Ecdar
title_short Effortless Fault Localisation: Conformance Testing of Real-Time Systems in Ecdar
title_sort effortless fault localisation conformance testing of real time systems in ecdar
url http://arxiv.org/pdf/1809.03889v1
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