Componentwise incremental LTL model checking
Molnár, Vince and Vörös, András and Darvas, Dániel and Bartha, Tamás and Majzik, István (2016) Componentwise incremental LTL model checking. FORMAL ASPECTS OF COMPUTING, 28 (3). pp. 345379. ISSN 09345043 10.1007/s001650150347x
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Abstract
Efficient symbolic and explicitstate model checking approaches have been developed for the verification of linear time temporal logic (LTL) properties. Several attempts have been made to combine the advantages of the various algorithms. Model checking LTL properties usually poses two challenges: one must compute the synchronous product of the state space and the automaton model of the desired property, then look for counterexamples that is reduced to finding strongly connected components (SCCs) in the state space of the product. In case of concurrent systems, where the phenomenon of state space explosion often prevents the successful verification, the socalled saturation algorithm has proved its efficiency in state space exploration. This paper proposes a new approach that leverages the saturation algorithm both as an iteration strategy constructing the product directly, as well as in a new fixedpoint computation algorithm to find strongly connected components onthefly by incrementally processing the components of the model. Complementing the search for SCCs, explicit techniques and componentwise abstractions are used to prove the absence of counterexamples. The resulting onthefly, incremental LTL model checking algorithm proved to scale well with the size of models, as the evaluation on models of the Model Checking Contest suggests.
Item Type:  Article 

Subjects:  Q Science > QA Mathematics and Computer Science > QA75 Electronic computers. Computer science / számítástechnika, számítógéptudomány 
Divisions:  Systems and Control Lab 
SWORD Depositor:  MTMT Injector 
Depositing User:  MTMT Injector 
Date Deposited:  17 Jan 2017 08:42 
Last Modified:  17 Jan 2017 08:42 
URI:  http://eprints.sztaki.hu/id/eprint/8941 
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