MINOS 5.5: optimal solution found. 0 iterations, objective 0 Nonlin evals: constrs = 3, Jac = 2. Objective = find a feasible point. x1 = 0 x2 = 0 x3 = 0 x4 = 0 x5 = 0 x6 = 0 x7 = 0 x8 = 0