iteration_num: 1
solve_status: OPTIMAL
objective_value= -311701.4729949491
End No. 1iteration
iteration_num: 2
solve_status: OPTIMAL
objective_value= -310128.1536094992
End No. 2iteration
iteration_num: 3
solve_status: OPTIMAL
objective_value= -308940.07737167977
End No. 3iteration
END
