Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:26:37 2013 Optimize a model with 84000 rows, 126002 columns and 168000 nonzeros Model has 42000 quadratic constraints Presolve time: 0.09s Presolved: 84000 rows, 126002 columns, 168000 nonzeros Presolved model has 42000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.260e+05 Factor NZ : 2.940e+05 (roughly 90 MBytes of memory) Factor Ops : 1.050e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.58746217e+07 0.00000000e+00 4.22e-12 4.95e-01 2.94e+02 0s 1 7.24503959e+06 1.45777348e+06 2.78e-07 4.72e-05 4.59e+01 0s 2 5.41199268e+06 4.28555642e+06 4.01e-08 2.89e-06 8.94e+00 1s 3 4.96982543e+06 4.75338390e+06 8.84e-09 3.48e-07 1.72e+00 1s 4 4.84339055e+06 4.80852711e+06 8.32e-10 8.49e-08 2.77e-01 1s 5 4.82886387e+06 4.82729033e+06 7.74e-11 2.14e-11 1.25e-02 1s 6 4.82745585e+06 4.82733433e+06 5.66e-12 4.42e-12 9.64e-04 1s 7 4.82737174e+06 4.82734367e+06 1.20e-12 7.31e-12 2.23e-04 2s 8 4.82736357e+06 4.82734998e+06 7.53e-13 4.06e-12 1.08e-04 2s 9 4.82735173e+06 4.82735051e+06 2.84e-13 7.46e-12 9.73e-06 2s Barrier solved model in 9 iterations and 1.88 seconds Optimal objective 4.82735173e+06