Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:33:42 2013 Optimize a model with 92000 rows, 138002 columns and 184000 nonzeros Model has 46000 quadratic constraints Presolve time: 0.10s Presolved: 92000 rows, 138002 columns, 184000 nonzeros Presolved model has 46000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.380e+05 Factor NZ : 3.220e+05 (roughly 100 MBytes of memory) Factor Ops : 1.150e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.93870828e+07 0.00000000e+00 4.60e-12 5.00e-01 2.95e+02 0s 1 7.95224260e+06 1.61856277e+06 2.25e-07 4.69e-05 4.59e+01 0s 2 5.96802703e+06 4.74374850e+06 3.24e-08 2.85e-06 8.87e+00 1s 3 5.48426050e+06 5.25016898e+06 7.08e-09 3.42e-07 1.70e+00 1s 4 5.35455404e+06 5.30876380e+06 9.81e-10 8.78e-08 3.32e-01 1s 5 5.33168499e+06 5.32942129e+06 5.19e-11 2.67e-09 1.64e-02 1s 6 5.33033385e+06 5.33014436e+06 2.93e-12 3.47e-10 1.37e-03 1s 7 5.33027042e+06 5.33024889e+06 5.68e-13 1.91e-11 1.56e-04 2s 8 5.33025908e+06 5.33025442e+06 1.71e-13 2.95e-12 3.37e-05 2s Barrier solved model in 8 iterations and 1.83 seconds Optimal objective 5.33025908e+06