Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:36:40 2013 Optimize a model with 96000 rows, 144002 columns and 192000 nonzeros Model has 48000 quadratic constraints Presolve time: 0.11s Presolved: 96000 rows, 144002 columns, 192000 nonzeros Presolved model has 48000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.440e+05 Factor NZ : 3.360e+05 (roughly 100 MBytes of memory) Factor Ops : 1.200e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.10218899e+07 0.00000000e+00 6.78e-12 4.99e-01 2.94e+02 0s 1 8.29777607e+06 1.68849668e+06 2.96e-07 4.69e-05 4.59e+01 0s 2 6.22171844e+06 4.94713502e+06 4.24e-08 2.82e-06 8.85e+00 1s 3 5.72085697e+06 5.47265742e+06 9.50e-09 3.41e-07 1.72e+00 1s 4 5.59019164e+06 5.53232396e+06 1.76e-09 9.67e-08 4.02e-01 1s 5 5.55840780e+06 5.54793881e+06 7.08e-11 3.37e-08 7.27e-02 1s 6 5.55742648e+06 5.55665649e+06 3.01e-11 1.63e-10 5.35e-03 2s 7 5.55675138e+06 5.55669941e+06 1.87e-12 6.62e-12 3.61e-04 2s 8 5.55671670e+06 5.55670050e+06 8.53e-13 5.62e-12 1.12e-04 2s 9 5.55670839e+06 5.55670060e+06 1.59e-12 3.59e-12 5.41e-05 2s 10 5.55670658e+06 5.55670065e+06 2.29e-12 2.09e-12 4.12e-05 2s 11 5.55670483e+06 5.55670068e+06 2.86e-12 3.00e-12 2.88e-05 3s Barrier solved model in 11 iterations and 2.55 seconds Optimal objective 5.55670483e+06