Abstract

The model checking algorithms have been widely studied for timed automata, it's a validation technique for automatically verifying correctness properties of finite-state systems, which are based on interleaving semantics. Therefore the actions are assumed instantaneous. To overcome the hypothesis of temporal and structural atomicity of actions, we use the durational actions timed automata model (daTA). This model is based on the maximality semantics. Properties to be verified are expressed using the Timed Computation Tree Logic (TCTL). For dealing with formal verification, the Maximality-based Region Graph (MRG) is defined and an adaptation of the model checking algorithm is proposed. The use of the maximality semantics based verification provides new class of properties related to simultaneous progress of actions at different states.

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