Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:49:19 2013 Optimize a model with 11000 rows, 16502 columns and 22000 nonzeros Model has 5500 quadratic constraints Presolve time: 0.01s Presolved: 11000 rows, 16502 columns, 22000 nonzeros Presolved model has 5500 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.650e+04 Factor NZ : 3.850e+04 (roughly 10 MBytes of memory) Factor Ops : 1.375e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.76838774e+06 0.00000000e+00 9.95e-14 4.90e-01 2.99e+02 0s 1 9.52014790e+05 1.89796468e+05 1.27e-07 4.91e-05 4.62e+01 0s 2 7.10949634e+05 5.60603678e+05 7.51e-08 5.90e-06 9.11e+00 0s 3 6.50455201e+05 6.23912868e+05 2.05e-08 8.59e-07 1.61e+00 0s 4 6.37692690e+05 6.31779350e+05 4.69e-09 1.42e-07 3.58e-01 0s 5 6.33858485e+05 6.32959813e+05 4.03e-10 4.04e-08 5.45e-02 0s 6 6.33545922e+05 6.33463497e+05 8.03e-11 1.40e-10 5.00e-03 0s 7 6.33473157e+05 6.33466161e+05 6.97e-12 4.23e-13 4.24e-04 0s 8 6.33467494e+05 6.33466284e+05 3.65e-10 7.06e-10 7.33e-05 0s 9 6.33466720e+05 6.33466321e+05 1.19e-10 4.89e-12 2.42e-05 0s Barrier solved model in 9 iterations and 0.23 seconds Optimal objective 6.33466720e+05