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In recent years, architecture analysis & design language (AADL) has been applied to the development of dependable real-time systems, in which the quality of the developed software is an important factor. Thus, to make sure that real-time systems are really dependable, we must verify the important properties, such as safety and reliability. This paper describes a contribution to the transformation...
In safety critical software failure can have a high price. Such software should be free of errors before it is put into operation. Application of formal methods in the software development life cycle helps to ensure that the software for safety critical missions are ultra reliable. PVS theorem prover, a formal method tool, can be used for the formal verification of software in ADA language for flight...
Systems verification requires first to model the system to be verified, then to formalize the properties to be satisfied, and finally to describe the behaviour of the environment. This last point, known as the proof context, is often neglected. It could, however, be of great importance in order to reduce the complexity of the proof. The question is then how to formalize such a proof context. This...
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