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Verification of Variability-Intensive Stochastic Systems with Statistical Model Checking
LAZREG, Sami; CORDY, Maxime; Legay, Axel
2022In Margaria, Tiziana (Ed.) Leveraging Applications of Formal Methods, Verification and Validation. Adaptation and Learning - 11th International Symposium, ISoLA 2022, Proceedings
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Keywords :
Markov chains; Statistical Model Checking; Stochastic systems; Variability; Learn+; LTL formulae; Occurrence probability; Simulation based approaches; Software Product Line; Statistical model checking
Abstract :
[en] We propose a simulation-based approach to verify Variability-Intensive Systems (VISs) with stochastic behaviour. Given an LTL formula and a model of the VIS behaviour, our method estimates the probability for each variant to satisfy the formula. This allows us to learn the products of the VIS for which the probability stands above a certain threshold. To achieve this, our method samples VIS executions from all variants at once and keeps track of the occurrence probability of these executions in any given variant. The efficiency of this algorithm relies on Algebraic Decision Diagram (ADD), a dedicated data structure that enables orthogonal treatment of variability, stochasticity and property satisfaction. We implemented our approach as an extension of the ProVeLines model checker. Our experiments validate that our method can produce accurate estimations of the probability for the variants to satisfy the given properties.
Disciplines :
Computer science
Author, co-author :
LAZREG, Sami ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SerVal
CORDY, Maxime  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SerVal
Legay, Axel;  UCLouvain, Louvain-La-Neuve, Belgium
External co-authors :
yes
Language :
English
Title :
Verification of Variability-Intensive Stochastic Systems with Statistical Model Checking
Publication date :
2022
Event name :
Leveraging Applications of Formal Methods, Verification and Validation. Adaptation and Learning: 11th International Symposium, ISoLA 2022
Event place :
Rhodes, Grc
Event date :
22-10-2022 => 30-10-2022
Audience :
International
Main work title :
Leveraging Applications of Formal Methods, Verification and Validation. Adaptation and Learning - 11th International Symposium, ISoLA 2022, Proceedings
Editor :
Margaria, Tiziana
Publisher :
Springer Science and Business Media Deutschland GmbH
ISBN/EAN :
978-3-03-119758-1
Peer reviewed :
Peer reviewed
FnR Project :
FNR Luxembourg C19/IS/13566661/BEEHIVE/Cordy
FNR Luxembourg INTER/FNRS/20/15\-077233/Scaling Up Variability/Cordy
Funders :
FNR Luxembourg
FNRS Belgium
Funding text :
Maxime Cordy and Sami Lazreg are supported by FNR Luxembourg (grants C19/IS/13566661/BEEHIVE/Cordy and INTER/FNRS/20/15\-077233/Scaling Up Variability/Cordy). Axel Legay is supported by FNRS Belgium (grant PDR/PDN - T013721).
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