iteration_num: 1
solve_status: OPTIMAL
objective_value= -311572.51538394956
End No. 1iteration
iteration_num: 2
solve_status: OPTIMAL
objective_value= -308455.73793619353
End No. 2iteration
iteration_num: 3
solve_status: OPTIMAL
objective_value= -306161.6110959252
End No. 3iteration
END
