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In order to combine the power of simulation-based and formal techniques, semi-formal methods have been widely explored. Among these methods, abstraction-guided simulation is a quite promising one. In this paper, we propose an abstraction-guided simulation approach aiming to cover hard-to-reach states in functional verification of microprocessors. A Markov model is constructed utilizing the high level...
This paper gives a brief overview of version 3.3 of PRISM, a tool for the automatic formal verification of probabilistic systems, and some of the case studies to which it has already been applied to date.
The most important thing of using model checking technology to verify production knowledge base is to build system model from rule set. It is a fundamental but time-consuming job. This paper presents an efficient formal method to verify production knowledge base. Two main contributions of this paper are as follows. Firstly, we propose a dynamic modeling method to build system model of knowledge base,...
Model checking UML statechart can detect various errors and inconsistencies of current system design in the early process of development. However, because of classic statechart lacking of real-time operational semantics, it can not be directly used to verify real-time property of current system. This paper introduces related definition of clock to extend UML statechart to real-time UML statechart,...
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