Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:28:49 2013 Optimize a model with 86000 rows, 129002 columns and 172000 nonzeros Model has 43000 quadratic constraints Presolve time: 0.09s Presolved: 86000 rows, 129002 columns, 172000 nonzeros Presolved model has 43000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.290e+05 Factor NZ : 3.010e+05 (roughly 90 MBytes of memory) Factor Ops : 1.075e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.69100989e+07 0.00000000e+00 4.60e-12 5.02e-01 2.96e+02 0s 1 7.44636882e+06 1.51728931e+06 7.93e-07 4.70e-05 4.60e+01 0s 2 5.59545157e+06 4.44953563e+06 1.15e-07 2.85e-06 8.88e+00 1s 3 5.14542030e+06 4.91972291e+06 2.58e-08 3.54e-07 1.75e+00 1s 4 5.02521999e+06 4.97776836e+06 4.62e-09 8.54e-08 3.68e-01 1s 5 4.99838475e+06 4.98475086e+06 1.67e-10 5.36e-08 1.06e-01 1s 6 4.99741958e+06 4.99642188e+06 5.37e-11 2.36e-09 7.73e-03 1s 7 4.99701408e+06 4.99692010e+06 6.05e-12 1.84e-10 7.29e-04 2s 8 4.99697260e+06 4.99695892e+06 1.15e-12 1.70e-11 1.06e-04 2s 9 4.99696527e+06 4.99696162e+06 3.41e-13 8.08e-12 2.83e-05 2s Barrier solved model in 9 iterations and 1.91 seconds Optimal objective 4.99696527e+06