Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:46:04 2013 Optimize a model with 5200 rows, 7802 columns and 10400 nonzeros Model has 2600 quadratic constraints Presolve time: 0.01s Presolved: 5200 rows, 7802 columns, 10400 nonzeros Presolved model has 2600 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 7.800e+03 Factor NZ : 1.820e+04 (roughly 5 MBytes of memory) Factor Ops : 6.500e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.21688999e+06 0.00000000e+00 2.84e-14 4.63e-01 2.94e+02 0s 1 4.40200508e+05 8.75021127e+04 1.17e-07 4.86e-05 4.52e+01 0s 2 3.30253213e+05 2.60606269e+05 4.99e-08 3.82e-06 8.93e+00 0s 3 3.01411917e+05 2.90261113e+05 5.41e-09 5.08e-07 1.43e+00 0s 4 2.94155038e+05 2.93865444e+05 8.56e-10 6.52e-09 3.71e-02 0s 5 2.94021190e+05 2.94006299e+05 1.44e-10 7.77e-09 1.91e-03 0s 6 2.94009653e+05 2.94006601e+05 9.60e-10 1.65e-09 3.91e-04 0s 7 2.94007314e+05 2.94006714e+05 1.06e-09 2.53e-10 7.70e-05 0s 8 2.94007070e+05 2.94006740e+05 6.00e-10 6.89e-12 4.24e-05 0s 9 2.94006859e+05 2.94006749e+05 1.96e-10 3.82e-13 1.42e-05 0s Barrier solved model in 9 iterations and 0.10 seconds Optimal objective 2.94006859e+05