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Hi Jaromił, I see my description could have been better. To clarify:  When your lazy constraints make the initial integer variables infeasible, then it makes sense that Gurobi does not accept your...

Hi,Thank you Jaromił! I did not think to run this from the commandline interface, but when I do I get the same results as you do. This helped me to focus on the right place. The problem seems to ar...

Hi Jaromił,Thank you for the quick reply.  Please note that by fixing the integer and binary variable to some value, Gurobi has a completely different problem at hand since the presolving reductio...

Hi, I am experiencing a similar problem. I am trying to give the MIP solver an initial incumbent solution using the Start attribute for every binary and integer variable of the model. However, I ge...

Thank you for the reply. I do encounter integer solutions on the way, but after some more debugging I find that the cut loop is aborted after adding a lazy constraint in MIPNODE. What I referred to...