Guorbi version 9.0.1 TimeLimit
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For Gurobi version 9.0.1: If I set a start solution x0 and a "TimeLimit" for Gurobi, and it stops because it reaches this TimeLimit, does Gurobi always give me the BEST feasible solution it has found (including x0)? Or it is possible that it will give me a solution that is worse than x0? By BEST solution I mean the solution with the smallest objective value in a minimization problem. If it does not give the best solution, is there a way to get the best solution it has found so far?
Also, is the behavior the same in different versions of Gurobi? For example, version 9.0.1 and version 9.1?
Thanks!
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Gurobi Staff
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Assuming you are solving a MIP, Gurobi will return the best feasible solution it finds, including your MIP start. Note that the MIP start could be rejected for various reasons, or Gurobi may not finish processing the MIP start before the time limit is reached. The log file will tell you how Gurobi handled the MIP start. This behavior is the same in all versions of Gurobi.
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