Characteristics of a good model
What are the Characteristics of a good model?
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A model must include the most relevant information needed for determining whether the program properties being investigated hold in the target application.
Parts of the system that do not affect the outcome of the property verification can be excluded from the modeling phase. The dangers of getting the model wrong are obvious. If you exclude or abstract too much, you may get false positives or false negatives. If you leave in too much, the model checker spends most of its time checking unnecessary code, wasting precious time and memory.
There are several different approaches you can take to obtaining a model of the system. They are, in increasing order of preference:
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Random Search: It non-deterministically selects a state on the frontier to explore, and can find results even when exhaustive search is not feasible. Its success in artificial intelligence makes it a good candidate search strategy for model checking,
Explain pipelining: A technique utilized in advanced microprocessors where the microprocessor starts executing a second instruction before the first has been finished. That is, many instructions are in the pipeline simultaneously, each at a distinct p
Model Extraction: Several program model checkers are based on automated model extraction, where program is translated into an input notation of an existing model checker (Corbett 1998; Havelund and Pressburger 2000; Corbett et al. 2000; Ball et al. 20
What is Microsoft’s latest approach to the development of the presentation layer of an application? What advantages does Microsoft advertise for this approach?
Yawing motion: Yawing motion means the sideways motion aircraft regarding the lateral axis. In other words side to side motion of the aircraft.
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