iteration_num: 1
solve_status: OPTIMAL
objective_value= -348037.8478095463
End No. 1iteration
iteration_num: 2
solve_status: OPTIMAL
objective_value= -347917.83859224763
End No. 2iteration
iteration_num: 3
solve_status: OPTIMAL
objective_value= -347917.4681771698
End No. 3iteration
END
