Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:46:12 2013 Optimize a model with 5600 rows, 8402 columns and 11200 nonzeros Model has 2800 quadratic constraints Presolve time: 0.01s Presolved: 5600 rows, 8402 columns, 11200 nonzeros Presolved model has 2800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 8.400e+03 Factor NZ : 1.960e+04 (roughly 6 MBytes of memory) Factor Ops : 7.000e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.43503985e+06 0.00000000e+00 4.26e-14 4.93e-01 3.00e+02 0s 1 4.82201909e+05 9.62230051e+04 4.70e-08 4.91e-05 4.59e+01 0s 2 3.61445485e+05 2.85420913e+05 6.52e-08 3.97e-06 9.05e+00 0s 3 3.34114442e+05 3.18866949e+05 7.81e-09 5.47e-07 1.82e+00 0s 4 3.22664406e+05 3.22026888e+05 9.80e-11 6.50e-08 7.59e-02 0s 5 3.22480766e+05 3.22446710e+05 1.50e-11 5.89e-11 4.05e-03 0s 6 3.22452086e+05 3.22447503e+05 1.19e-10 3.71e-09 5.46e-04 0s 7 3.22448705e+05 3.22447559e+05 3.83e-09 6.79e-10 1.36e-04 0s 8 3.22447816e+05 3.22447584e+05 7.55e-10 2.79e-12 2.76e-05 0s Barrier solved model in 8 iterations and 0.10 seconds Optimal objective 3.22447816e+05