A Formal Verification Environment for Railway Signaling System Design
Formal Methods in System Design - Special issue: industrial critical systems
Knowledge-Based Technology for Controlling Railway Stations
IEEE Expert: Intelligent Systems and Their Applications
Symbolic Model Checking without BDDs
TACAS '99 Proceedings of the 5th International Conference on Tools and Algorithms for Construction and Analysis of Systems
Counterexample-Guided Abstraction Refinement
CAV '00 Proceedings of the 12th International Conference on Computer Aided Verification
NuSMV 2: An OpenSource Tool for Symbolic Model Checking
CAV '02 Proceedings of the 14th International Conference on Computer Aided Verification
Modelling large railway interlockings and model checking small ones
ACSC '03 Proceedings of the 26th Australasian computer science conference - Volume 16
Spin model checker, the: primer and reference manual
Spin model checker, the: primer and reference manual
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A challenging problem for model checking is represented by railway interlocking systems. It is a well known fact that interlocking systems, due to their inherent complexity related to the high number of variables involved, are not readily amenable to automatic verification, typically incurring in state space explosion problems. The study described in this paper aims at evaluating and experimenting the industrial application of verification by model checking for this class of systems. The choices made at the beginning of the study, also on the basis of specific requirements from the industrial partner, are presented, together with the advancement status of the project and the plans for its completion.