Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:40 2013 Optimize a model with 80 rows, 122 columns and 160 nonzeros Model has 40 quadratic constraints Presolve time: 0.00s Presolved: 80 rows, 122 columns, 160 nonzeros Presolved model has 40 second-order cone constraints Ordering time: 0.00s Barrier statistics: Free vars : 2 AA' NZ : 1.600e+03 Factor NZ : 2.841e+03 Factor Ops : 1.256e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.31396748e+04 0.00000000e+00 8.53e-14 5.39e-01 2.82e+02 0s 1 6.49378526e+03 1.51179558e+03 5.47e-10 4.88e-05 4.15e+01 0s 2 5.14808097e+03 4.17024007e+03 3.95e-09 9.68e-06 8.15e+00 0s 3 4.66637097e+03 4.62450690e+03 1.65e-09 1.26e-06 3.49e-01 0s 4 4.64003054e+03 4.63870580e+03 1.33e-10 1.14e-07 1.10e-02 0s 5 4.63910504e+03 4.63902263e+03 6.57e-12 9.78e-10 6.87e-04 0s 6 4.63904499e+03 4.63903516e+03 5.51e-13 2.46e-10 8.19e-05 0s 7 4.63904112e+03 4.63903959e+03 8.53e-14 2.63e-11 1.28e-05 0s Barrier solved model in 7 iterations and 0.01 seconds Optimal objective 4.63904112e+03