iteration_num: 1
solve_status: OPTIMAL
objective_value= -267219.16563457483
End No. 1iteration
iteration_num: 2
solve_status: OPTIMAL
objective_value= -266820.5110524819
End No. 2iteration
iteration_num: 3
solve_status: OPTIMAL
objective_value= -266526.0893874934
End No. 3iteration
END
