Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:48:43 2013 Optimize a model with 110000 rows, 165002 columns and 220000 nonzeros Model has 55000 quadratic constraints Presolve time: 0.12s Presolved: 110000 rows, 165002 columns, 220000 nonzeros Presolved model has 55000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.650e+05 Factor NZ : 3.850e+05 (roughly 110 MBytes of memory) Factor Ops : 1.375e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.67512053e+07 0.00000000e+00 7.79e-12 4.96e-01 2.93e+02 0s 1 9.47816238e+06 1.92416097e+06 7.07e-07 4.67e-05 4.58e+01 0s 2 7.09712110e+06 5.62798126e+06 1.03e-07 2.87e-06 8.90e+00 1s 3 6.52881295e+06 6.23465060e+06 2.22e-08 3.48e-07 1.78e+00 1s 4 6.35245020e+06 6.31171754e+06 2.01e-09 6.90e-08 2.47e-01 1s 5 6.33364450e+06 6.32593228e+06 1.53e-10 1.98e-08 4.67e-02 2s 6 6.33226285e+06 6.33187153e+06 3.26e-11 1.88e-11 2.37e-03 2s 7 6.33193972e+06 6.33188008e+06 4.92e-12 8.55e-12 3.61e-04 2s 8 6.33191436e+06 6.33188230e+06 2.69e-12 4.14e-12 1.94e-04 2s 9 6.33189860e+06 6.33188391e+06 1.29e-12 2.33e-12 8.90e-05 2s 10 6.33188737e+06 6.33188395e+06 5.12e-13 8.00e-12 2.08e-05 3s Barrier solved model in 10 iterations and 2.67 seconds Optimal objective 6.33188737e+06