Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:05:58 2013 Optimize a model with 168000 rows, 252002 columns and 336000 nonzeros Model has 84000 quadratic constraints Presolve time: 0.20s Presolved: 168000 rows, 252002 columns, 336000 nonzeros Presolved model has 84000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.520e+05 Factor NZ : 5.880e+05 (roughly 170 MBytes of memory) Factor Ops : 2.100e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.05733200e+07 0.00000000e+00 1.94e-11 4.97e-01 2.89e+02 0s 1 1.44509732e+07 2.98941735e+06 5.70e-07 4.55e-05 4.55e+01 1s 2 1.08572440e+07 8.64821146e+06 8.26e-08 2.74e-06 8.77e+00 1s 3 9.99984259e+06 9.55636173e+06 1.81e-08 3.28e-07 1.76e+00 2s 4 9.75435382e+06 9.66916358e+06 3.19e-09 6.51e-08 3.38e-01 2s 5 9.70101139e+06 9.68916711e+06 2.11e-11 2.18e-08 4.70e-02 2s 6 9.70019678e+06 9.69990529e+06 4.92e-12 8.63e-11 1.16e-03 3s 7 9.69997570e+06 9.69994516e+06 6.04e-13 2.13e-11 1.21e-04 3s 8 9.69996036e+06 9.69995282e+06 3.13e-13 1.22e-11 2.99e-05 3s Barrier solved model in 8 iterations and 3.46 seconds Optimal objective 9.69996036e+06