Can you modify the branch-and-bound algorithm or create a branch-cut-and-price algorithm? Greg Glockner August 12, 2020 16:26 Updated Follow The only way to create a custom algorithm like this is to stop solving, modify the model, and start solving again. Related articles What is the difference between user cuts and lazy constraints? Does Gurobi have a solution polishing algorithm? How do you implement lazy constraints in Gurobi? How do I find additional solutions to a model? Why do I see increasing/large MIP gap values?