Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:35:49 2013 Optimize a model with 148000 rows, 222002 columns and 296000 nonzeros Model has 74000 quadratic constraints Presolve time: 0.17s Presolved: 148000 rows, 222002 columns, 296000 nonzeros Presolved model has 74000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.220e+05 Factor NZ : 5.180e+05 (roughly 150 MBytes of memory) Factor Ops : 1.850e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.26491993e+07 0.00000000e+00 9.49e-12 5.01e-01 2.92e+02 0s 1 1.27893937e+07 2.64106043e+06 4.67e-07 4.58e-05 4.57e+01 1s 2 9.61360146e+06 7.65695204e+06 6.76e-08 2.77e-06 8.81e+00 1s 3 8.85459709e+06 8.46117462e+06 1.47e-08 3.36e-07 1.77e+00 1s 4 8.62621414e+06 8.56373627e+06 1.79e-09 6.40e-08 2.81e-01 2s 5 8.59076167e+06 8.57793211e+06 2.08e-11 2.86e-08 5.78e-02 2s 6 8.59014394e+06 8.58982565e+06 5.85e-12 1.86e-10 1.43e-03 2s 7 8.58991103e+06 8.58990109e+06 1.99e-13 1.86e-12 4.48e-05 3s 8 8.58990582e+06 8.58990259e+06 4.90e-13 6.73e-12 1.46e-05 3s Barrier solved model in 8 iterations and 2.99 seconds Optimal objective 8.58990582e+06