Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:08:51 2013 Optimize a model with 52000 rows, 78002 columns and 104000 nonzeros Model has 26000 quadratic constraints Presolve time: 0.06s Presolved: 52000 rows, 78002 columns, 104000 nonzeros Presolved model has 26000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 7.800e+04 Factor NZ : 1.820e+05 (roughly 50 MBytes of memory) Factor Ops : 6.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.25304076e+07 0.00000000e+00 1.36e-12 5.05e-01 2.99e+02 0s 1 4.52144676e+06 9.09316741e+05 2.94e-07 4.80e-05 4.63e+01 0s 2 3.38546168e+06 2.68028829e+06 4.29e-08 3.00e-06 9.04e+00 0s 3 3.11551735e+06 2.97315169e+06 9.42e-09 3.65e-07 1.83e+00 1s 4 3.03214859e+06 3.01707010e+06 1.01e-09 1.85e-08 1.93e-01 1s 5 3.02032685e+06 3.01998456e+06 1.98e-11 3.38e-10 4.39e-03 1s 6 3.02011359e+06 3.02006797e+06 3.33e-12 1.20e-12 5.85e-04 1s 7 3.02008251e+06 3.02007054e+06 1.14e-12 2.01e-12 1.54e-04 1s 8 3.02007518e+06 3.02007111e+06 5.68e-13 1.02e-12 5.22e-05 1s 9 3.02007322e+06 3.02007160e+06 3.98e-13 1.78e-12 2.08e-05 1s Barrier solved model in 9 iterations and 1.15 seconds Optimal objective 3.02007322e+06