Dante Van Poucke

Thanks for your help, Michel and Riley!Setting the parameters did help to reduce computation time. Unfortunately, the speedup was not high enough. I will have to resort to heuristicst to solve this...

Hi Michel, Thanks for you response.In most case the presolve is not the problem, see e.g. this smaller problem below. I set the time limit to 30 seconds. After the timeout I check if there is a sol...