LSD: models at k-1/k returned as a model at 0/1.
SMTExpr to Term now supports negative offsets.
Merge pull request #154 from AdrienChampion/bugfix_parsing-neg-offset

Bug fix: SMTExpr to Term now supports negative offsets of var-s
LSD: input terms now assumed to be 0/1 not -1/0.
Bug fix for paul.
Bug fix for paul.
Tweaking things for Paul
Bug fix in LSD.
Bugfix in LSD.
Fixed information printing in verbose modes.
Merge pull request #155 from AdrienChampion/bugfix_step-statistics

Fixed information printing in verbose modes.
Do not search in path if absolute path given
Merge pull request #156 from chsticksel/develop

Do not search in path if absolute path given
Merge remote-tracking branch 'upstream/develop' into invariantGeneration
LSD with models at -1/0.
Merge pull request #158 from AdrienChampion/invariantGeneration

Invariant generation: lock step driver