Computer-Aided Computing
نویسنده
چکیده
Formal program design methods are most useful when supported with suitable mechanization. This need for mechanization has long been apparent, but there have been doubts whether veriication technology could cope with the problems of scale and complexity. Though there is very little compelling evidence either way at this point, several powerful mechanical veriication systems are now available for experimentation. Using SRI's PVS as one representative example, we argue that the technology of mechanical veriication is already quite eeective. PVS derives its power from an integration of theorem proving with type-checking, decision procedures with interactive proof construction, and more recently, model checking with theorem proving. We discuss these individual aspects of PVS using examples, and motivate some of the challenges that lie ahead.
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