Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:47:32 2013 Optimize a model with 8400 rows, 12602 columns and 16800 nonzeros Model has 4200 quadratic constraints Presolve time: 0.01s Presolved: 8400 rows, 12602 columns, 16800 nonzeros Presolved model has 4200 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.260e+04 Factor NZ : 2.940e+04 (roughly 9 MBytes of memory) Factor Ops : 1.050e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.63006383e+06 0.00000000e+00 4.26e-14 5.03e-01 2.98e+02 0s 1 7.21456474e+05 1.44187587e+05 3.89e-08 4.87e-05 4.58e+01 0s 2 5.39938773e+05 4.26950683e+05 6.00e-08 5.82e-06 8.97e+00 0s 3 4.95576768e+05 4.74416296e+05 1.32e-08 8.99e-07 1.68e+00 0s 4 4.82906504e+05 4.80477171e+05 2.70e-09 1.79e-07 1.93e-01 0s 5 4.81913852e+05 4.81890558e+05 4.77e-11 1.11e-10 1.85e-03 0s 6 4.81898286e+05 4.81894463e+05 3.70e-10 3.58e-09 3.03e-04 0s 7 4.81895611e+05 4.81894915e+05 1.11e-09 5.45e-10 5.53e-05 0s 8 4.81895216e+05 4.81895020e+05 3.34e-10 2.40e-11 1.56e-05 0s Barrier solved model in 8 iterations and 0.15 seconds Optimal objective 4.81895216e+05