Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:34 2013 Optimize a model with 3800 rows, 5702 columns and 7600 nonzeros Model has 1900 quadratic constraints Presolve time: 0.00s Presolved: 3800 rows, 5702 columns, 7600 nonzeros Presolved model has 1900 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 5.700e+03 Factor NZ : 1.330e+04 (roughly 4 MBytes of memory) Factor Ops : 4.750e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.64432520e+06 0.00000000e+00 2.84e-14 4.83e-01 2.98e+02 0s 1 3.28916449e+05 6.55244760e+04 6.83e-09 4.98e-05 4.62e+01 0s 2 2.44517089e+05 1.92748514e+05 3.68e-08 6.33e-06 9.08e+00 0s 3 2.23470379e+05 2.16068621e+05 1.23e-08 7.29e-07 1.30e+00 0s 4 2.18190660e+05 2.17681640e+05 9.69e-10 1.63e-07 8.93e-02 0s 5 2.18073906e+05 2.18064818e+05 3.79e-11 1.73e-09 1.59e-03 0s 6 2.18070228e+05 2.18068439e+05 1.03e-11 1.79e-10 3.14e-04 0s 7 2.18069452e+05 2.18068763e+05 4.36e-12 4.14e-11 1.21e-04 0s 8 2.18069251e+05 2.18068850e+05 2.88e-12 3.76e-11 7.04e-05 0s 9 2.18069120e+05 2.18068852e+05 1.48e-11 2.77e-11 4.70e-05 0s 10 2.18069035e+05 2.18068853e+05 1.00e-11 2.41e-11 3.20e-05 0s Barrier solved model in 10 iterations and 0.09 seconds Optimal objective 2.18069035e+05