Approximated Context-Sensitive Analysis for Parameterized Verification
FMOODS '09/FORTE '09 Proceedings of the Joint 11th IFIP WG 6.1 International Conference FMOODS '09 and 29th IFIP WG 6.1 International Conference FORTE '09 on Formal Techniques for Distributed Systems
Automatic Verification of Directory-Based Consistency Protocols
RP '09 Proceedings of the 3rd International Workshop on Reachability Problems
Action Language verifier: an infinite-state model checker for reactive software specifications
Formal Methods in System Design
Automating cut-off for multi-parameterized systems
ICFEM'10 Proceedings of the 12th international conference on Formal engineering methods and software engineering
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Action language verifier (ALV) is an infinite-state symbolic model checker. ALV can verify (or falsify, by generating counter-examples) temporal logic properties of systems that can be modeled using a combination of Boolean logic and linear arithmetic expressions on Boolean, enumerated and (possibly unbounded) integer variables and parameterized integer constants. In this paper, we apply ALV to the verification of parameterized hierarchical state machine specifications. We extend the standard notation for hierarchical state machines by introducing primitives for explicit specification of asynchronous processes and their finite and parameterized instantiations. We define the formal semantics of these primitives, where the states of the parameterized processes are mapped to integer variables using the counting abstraction technique. We apply the presented approach to the specification and analysis of an airport ground traffic controller and verify several correctness properties of this specification using ALV.