Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:55:51 2013 Optimize a model with 116000 rows, 174002 columns and 232000 nonzeros Model has 58000 quadratic constraints Presolve time: 0.13s Presolved: 116000 rows, 174002 columns, 232000 nonzeros Presolved model has 58000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.740e+05 Factor NZ : 4.060e+05 (roughly 120 MBytes of memory) Factor Ops : 1.450e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.94414842e+07 0.00000000e+00 8.04e-12 5.01e-01 2.94e+02 0s 1 1.00121441e+07 2.05522917e+06 1.33e-06 4.64e-05 4.57e+01 0s 2 7.53524443e+06 6.00442793e+06 1.92e-07 2.78e-06 8.80e+00 1s 3 6.94632526e+06 6.63251835e+06 4.32e-08 3.40e-07 1.80e+00 1s 4 6.77077064e+06 6.71205177e+06 6.62e-09 6.92e-08 3.37e-01 1s 5 6.73517296e+06 6.73072385e+06 1.27e-10 9.67e-09 2.56e-02 2s 6 6.73446650e+06 6.73406880e+06 4.04e-11 1.93e-10 2.29e-03 2s 7 6.73423874e+06 6.73413742e+06 1.20e-11 5.57e-12 5.82e-04 2s 8 6.73415661e+06 6.73413865e+06 2.29e-12 3.57e-12 1.03e-04 2s 9 6.73414692e+06 6.73413961e+06 1.06e-12 2.68e-12 4.20e-05 3s 10 6.73414466e+06 6.73413972e+06 2.16e-12 1.92e-12 2.84e-05 3s Barrier solved model in 10 iterations and 2.83 seconds Optimal objective 6.73414466e+06