Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:57:02 2013 Optimize a model with 18000 rows, 27002 columns and 36000 nonzeros Model has 9000 quadratic constraints Presolve time: 0.02s Presolved: 18000 rows, 27002 columns, 36000 nonzeros Presolved model has 9000 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.700e+04 Factor NZ : 6.300e+04 (roughly 20 MBytes of memory) Factor Ops : 2.250e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.79962742e+06 0.00000000e+00 1.28e-13 4.92e-01 2.98e+02 0s 1 1.55178144e+06 3.10681263e+05 6.95e-08 4.91e-05 4.60e+01 0s 2 1.16530453e+06 9.24858344e+05 9.92e-09 2.99e-06 8.91e+00 0s 3 1.07324934e+06 1.02456299e+06 2.22e-09 3.57e-07 1.80e+00 0s 4 1.04452191e+06 1.03722305e+06 2.56e-10 6.57e-08 2.70e-01 0s 5 1.04033863e+06 1.03910114e+06 1.34e-12 2.47e-08 4.58e-02 0s 6 1.04029814e+06 1.04026522e+06 4.83e-13 2.36e-10 1.22e-03 0s 7 1.04027896e+06 1.04027553e+06 7.82e-14 2.24e-11 1.27e-04 0s 8 1.04027753e+06 1.04027645e+06 7.82e-14 4.59e-12 3.97e-05 0s 9 1.04027717e+06 1.04027659e+06 1.14e-13 2.11e-12 2.16e-05 0s Barrier solved model in 9 iterations and 0.38 seconds Optimal objective 1.04027717e+06