Simon Jantsch

If I disable Presolve completely I still observe the same behaviour. I have posted my question on stack overflow, maybe somebody there can help: https://stackoverflow.com/questions/57770333/gurobi-...

Unfortunately that does not seem to work as if I change the objective function the current basis seems to be gone, it starts again and needs many iterations (>20). But there needs to be a way to ex...

Thank you for your comment. That clears things up for me a bit. Regarding the gurobi interface: if I use primal simplex and find in the callback that the current value of SPX_OBJVAL is already abov...