iteration_num: 1
solve_status: OPTIMAL
objective_value= -311816.2136225845
End No. 1iteration
iteration_num: 2
solve_status: OPTIMAL
objective_value= -311662.3357357921
End No. 2iteration
iteration_num: 3
solve_status: OPTIMAL
objective_value= -311661.5127955792
End No. 3iteration
END
