@article{
title={Counter-example generation in symbolic abstract model-checking},
author={G. Pace and N. Halbwachs and P. Raymond},
journal={Software Tools for Technology Transfer},
volume=5,
number={2---3},
month=mar,
year=2004
}
preliminary version published as
@inproceedings{
title={Counter-example generation in symbolic abstract model-checking},
author={G. Pace and N. Halbwachs and P. Raymond},
booktitle={6th International Workshop on Formal Methods for Industrial Critical 
            Systems, FMICS'2001},
publisher={Inria},
address={Paris},
month=jul,
year=2001
}