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With the flourishing development of construction and real estate industry, engineering accidents happen more frequently. The purpose of this paper is to generate emergency case as quick as possible so as to improve the quick emergency reaction capability when engineering accident happens. The flow of CBR based emergency case generating system (CBR/ECGS) under engineering accidents is studied. Both...
Programmable logic controllers (PLCs) represent a typical class of embedded software systems. They are widely used in safety-critical industrial applications, such as railways, automotive applications, etc. The paper presents a novel method to specify and verify PLC software systems with the theorem proving system Coq. Dependent inductive data types are harnessed to represent the component specifications...
Program verification is an important task in software engineering. Abstraction plays a critical role in verifying infinite state systems by model checking. We present a novel method to automatically compute the abstract reachable state space of programs. An effective heuristic strategy is employed to find an abstract counter example, thus reducing the proof time for using theorem proving systems....
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