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Formal verification coverage: computing the coverage gap between temporal specifications

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8 Author(s)
Das, S. ; Dept. of Comput. Sci. & Eng., Indian Inst. of Technol., Kharagpur, India ; Basu, P. ; Banerjee, A. ; Dasgupta, P.
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Existing methods for formal verification coverage compare a given specification with a given implementation, and evaluate the coverage gap in terms of quantitative metrics. We consider a new problem, namely to compare two formal temporal specifications and to find a set of additional temporal properties that close the coverage gap between the two specifications. In this paper we present: (1) the problem definition and motivation, (2) a methodology for computing the coverage gap between specifications, and (3) a methodology for representing the coverage gap as a collection of temporal properties that preserve the syntactic structure of the target specification.

Published in:

Computer Aided Design, 2004. ICCAD-2004. IEEE/ACM International Conference on

Date of Conference:

7-11 Nov. 2004