MINOS 5.5: optimal solution found.
2 iterations, objective 0
Nonlin evals: constrs = 8, Jac = 7.
Objective = find a feasible point.
u8 = -0.0204082
x1 = -0.142857
x2 = -0.142857
x3 = -0.142857
x4 = -0.142857
x5 = -0.142857
x6 = -0.142857
x7 = -0.142857