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Program Analysis with Dynamic Precision Adjustment

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3 Author(s)
Beyer, D. ; Simon Fraser Univ., Burnaby, BC ; Henzinger, T.A. ; Theoduloz, G.

We present and evaluate a framework and tool for combining multiple program analyses which allows the dynamic (on-line) adjustment of the precision of each analysis depending on the accumulated results. For example, the explicit tracking of the values of a variable may be switched off in favor of a predicate abstraction when and where the number of different variable values that have been encountered has exceeded a specified threshold. The method is evaluated on verifying the SSH client/server software and shows significant gains compared with predicate abstraction-based model checking.

Published in:

Automated Software Engineering, 2008. ASE 2008. 23rd IEEE/ACM International Conference on

Date of Conference:

15-19 Sept. 2008