iteration_num: 1
solve_status: OPTIMAL
objective_value= -267156.34594133694
End No. 1iteration
iteration_num: 2
solve_status: OPTIMAL
objective_value= -265950.05501330853
End No. 2iteration
iteration_num: 3
solve_status: OPTIMAL
objective_value= -265086.93135661015
End No. 3iteration
END
