Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:56:27 2013 Optimize a model with 162000 rows, 243002 columns and 324000 nonzeros Model has 81000 quadratic constraints Presolve time: 0.20s Presolved: 162000 rows, 243002 columns, 324000 nonzeros Presolved model has 81000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.430e+05 Factor NZ : 5.670e+05 (roughly 170 MBytes of memory) Factor Ops : 2.025e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.84381759e+07 0.00000000e+00 1.44e-11 5.03e-01 2.91e+02 0s 1 1.39806348e+07 2.89912186e+06 1.14e-06 4.54e-05 4.56e+01 1s 2 1.05181009e+07 8.39549367e+06 1.64e-07 2.70e-06 8.74e+00 1s 3 9.67926858e+06 9.26948490e+06 3.63e-08 3.27e-07 1.69e+00 2s 4 9.44064160e+06 9.37609312e+06 3.67e-09 7.25e-08 2.66e-01 2s 5 9.41199896e+06 9.40825625e+06 4.06e-10 7.48e-12 1.54e-02 2s 6 9.40861270e+06 9.40834412e+06 2.73e-11 1.39e-11 1.11e-03 3s 7 9.40849418e+06 9.40837049e+06 1.38e-11 1.11e-11 5.09e-04 3s 8 9.40839950e+06 9.40837263e+06 3.15e-12 2.08e-12 1.11e-04 3s 9 9.40838418e+06 9.40837393e+06 1.34e-12 4.33e-12 4.22e-05 4s 10 9.40838189e+06 9.40837475e+06 1.79e-12 3.49e-12 2.94e-05 4s Barrier solved model in 10 iterations and 4.09 seconds Optimal objective 9.40838189e+06