Read e-book online Abstraction Refinement for Large Scale Model Checking PDF

By Chao Wang

ISBN-10: 0387341552

ISBN-13: 9780387341552

ISBN-10: 0387346007

ISBN-13: 9780387346007

Abstraction Refinement for giant Scale version Checking summarizes fresh learn on abstraction options for version checking huge electronic procedure. contemplating either the scale of modern electronic structures and the capability of state of the art verification algorithms, abstraction is the one plausible resolution for the profitable software of version checking ideas to industrial-scale designs. This booklet describes contemporary learn advancements in computerized abstraction refinement innovations. The suite of algorithms provided during this publication has confirmed major development over previous artwork; a few of them have already been followed through the EDA businesses of their commercial/in-house verification instruments.

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It is clear that for the entire CNF formula to be satisfiable, each individual clause must also be satisfiable. A clause is satisfiable if and only if at least one of its literals evaluates to true. The SAT problem of a CNF formula can be solved by the DavisLongeman-Loveland (DLL) recursive search procedure [DLL62]. Its basic steps are making decisions and propagating the implications of these decisions. Selecting a literal and making it true is called a decision. If a clause has only one unassigned literal and all the other literals are false, it is called a unit clause.

However, despite these previous research works, computing a tight bound of the diameter of an extremely large graph remains very hard in practice. In the absence of a reasonably small completeness threshold, people use BMC primarily for detecting bugs rather than for proving properties. 34 Other SAT based methods have also been used to prove properties. This includes methods based on induction [SSSOO, dRS03, GGW+03a], unbounded model checking through the enumeration of all SAT solutions [GYAGOO, McM02, KP03, GGA04], and the interpolation based method [MA03].

A clause is satisfiable if and only if at least one of its literals evaluates to true. The SAT problem of a CNF formula can be solved by the DavisLongeman-Loveland (DLL) recursive search procedure [DLL62]. Its basic steps are making decisions and propagating the implications of these decisions. Selecting a literal and making it true is called a decision. If a clause has only one unassigned literal and all the other literals are false, it is called a unit clause. Every unit clause triggers an implication—its only unassigned literal has to be true, otherwise, the clause is no longer satisfiable.

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Abstraction Refinement for Large Scale Model Checking by Chao Wang


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