Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:47:55 2013 Optimize a model with 108000 rows, 162002 columns and 216000 nonzeros Model has 54000 quadratic constraints Presolve time: 0.12s Presolved: 108000 rows, 162002 columns, 216000 nonzeros Presolved model has 54000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.620e+05 Factor NZ : 3.780e+05 (roughly 100 MBytes of memory) Factor Ops : 1.350e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.60860954e+07 0.00000000e+00 5.14e-12 5.00e-01 2.94e+02 0s 1 9.32155491e+06 1.90381941e+06 8.00e-07 4.65e-05 4.58e+01 0s 2 6.99900137e+06 5.56888518e+06 1.15e-07 2.81e-06 8.83e+00 1s 3 6.43309201e+06 6.16017274e+06 2.51e-08 3.37e-07 1.68e+00 1s 4 6.28305280e+06 6.22837603e+06 3.63e-09 8.69e-08 3.38e-01 1s 5 6.25518321e+06 6.25236514e+06 1.75e-10 3.30e-09 1.74e-02 2s 6 6.25376119e+06 6.25342439e+06 2.20e-11 3.65e-10 2.08e-03 2s 7 6.25359539e+06 6.25355050e+06 3.91e-12 2.09e-11 2.77e-04 2s 8 6.25357190e+06 6.25355836e+06 1.44e-12 8.98e-12 8.36e-05 2s 9 6.25356378e+06 6.25355867e+06 1.12e-12 3.17e-12 3.16e-05 2s Barrier solved model in 9 iterations and 2.40 seconds Optimal objective 6.25356378e+06