Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:35 2013 Optimize a model with 3800 rows, 5702 columns and 7600 nonzeros Model has 1900 quadratic constraints Presolve time: 0.00s Presolved: 3800 rows, 5702 columns, 7600 nonzeros Presolved model has 1900 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 5.700e+03 Factor NZ : 1.330e+04 (roughly 4 MBytes of memory) Factor Ops : 4.750e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.66620520e+06 0.00000000e+00 2.84e-14 5.02e-01 3.02e+02 0s 1 3.28696346e+05 6.61985026e+04 4.58e-09 4.96e-05 4.61e+01 0s 2 2.47686601e+05 1.95764639e+05 5.27e-08 6.48e-06 9.11e+00 0s 3 2.26955694e+05 2.17472931e+05 1.61e-08 1.07e-06 1.66e+00 0s 4 2.21201295e+05 2.20174677e+05 9.04e-10 3.08e-07 1.80e-01 0s 5 2.21017391e+05 2.21001960e+05 3.04e-10 3.91e-08 2.71e-03 0s 6 2.21012011e+05 2.21008822e+05 4.88e-11 9.36e-09 5.59e-04 0s 7 2.21011104e+05 2.21010053e+05 8.48e-12 3.83e-09 1.84e-04 0s 8 2.21010969e+05 2.21010509e+05 2.98e-12 1.75e-09 8.07e-05 0s 9 2.21010902e+05 2.21010864e+05 4.83e-13 1.13e-10 6.58e-06 0s Barrier solved model in 9 iterations and 0.08 seconds Optimal objective 2.21010902e+05