Technical Reports

The report FIMU-RS-2005-04

Under-Approximation Generation using Partial Order Reduction

by Lubo¹ Brim, Ivana Černį, Pavel Moravec, Jiųķ ©im¹a, A full version of the paper submitted to conference CAV05 February 2005, 21 pages.

FIMU-RS-2005-04. Available as Postscript, PDF.

Abstract:

We propose a new on-the-fly approach which combines partial order reduction with the under-approximation technique for falsification and verification of LTL-X properties. It uses sensitivity relation and modified ample conditions to generate a reduced state space that is not fully stutter equivalent to the original one and it checks the desired property using representatives. Widening of under-approximations is fully automatic and does not rely on any supporting mechanisms like theorem-provers or SAT solvers.

Responsible contact: veda@fi.muni.cz

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