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 3.29616107e+04 0.00000000e+00 1.56e-13 5.84e-01 2.81e+02 0s 1 6.65357683e+03 1.60780885e+03 4.64e-10 5.88e-05 4.20e+01 0s 2 5.08167326e+03 3.97172092e+03 2.04e-09 2.13e-05 9.25e+00 0s 3 4.83930533e+03 4.56344103e+03 6.11e-10 7.29e-06 2.30e+00 0s 4 4.72670163e+03 4.67202166e+03 8.61e-10 3.19e-06 4.56e-01 0s 5 4.72024182e+03 4.71810295e+03 1.99e-10 2.59e-07 1.78e-02 0s 6 4.71880579e+03 4.71842156e+03 1.32e-11 9.09e-08 3.20e-03 0s 7 4.71870558e+03 4.71851846e+03 3.89e-12 4.94e-08 1.56e-03 0s 8 4.71868934e+03 4.71857558e+03 3.06e-12 2.38e-08 9.48e-04 0s 9 4.71868376e+03 4.71859270e+03 2.16e-12 1.80e-08 7.59e-04 0s 10 4.71866802e+03 4.71859294e+03 1.11e-12 1.73e-08 6.26e-04 0s 11 4.71865187e+03 4.71860175e+03 5.68e-13 1.23e-08 4.18e-04 0s 12 4.71865430e+03 4.71861170e+03 5.26e-13 8.55e-09 3.55e-04 0s 13 4.71864820e+03 4.71861554e+03 3.98e-13 6.66e-09 2.72e-04 0s 14 4.71864449e+03 4.71861866e+03 3.27e-13 4.91e-09 2.15e-04 0s 15 4.71863977e+03 4.71862140e+03 2.27e-13 3.52e-09 1.53e-04 0s 16 4.71863205e+03 4.71862797e+03 2.84e-14 5.23e-10 3.40e-05 0s Barrier solved model in 16 iterations and 0.01 seconds Optimal objective 4.71863205e+03