Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:00:01 2013 Optimize a model with 22000 rows, 33002 columns and 44000 nonzeros Model has 11000 quadratic constraints Presolve time: 0.02s Presolved: 22000 rows, 33002 columns, 44000 nonzeros Presolved model has 11000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.300e+04 Factor NZ : 7.700e+04 (roughly 20 MBytes of memory) Factor Ops : 2.750e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 9.56244619e+06 0.00000000e+00 2.70e-13 5.00e-01 3.00e+02 0s 1 1.91373151e+06 3.83062896e+05 5.52e-08 4.88e-05 4.64e+01 0s 2 1.43004450e+06 1.12968666e+06 1.75e-08 3.79e-06 9.10e+00 0s 3 1.31510789e+06 1.25554051e+06 3.77e-09 4.47e-07 1.81e+00 0s 4 1.27588084e+06 1.27188663e+06 6.32e-10 8.09e-08 1.21e-01 0s 5 1.27509140e+06 1.27502030e+06 3.54e-11 5.91e-10 2.15e-03 0s 6 1.27505095e+06 1.27504468e+06 4.47e-12 6.89e-12 1.90e-04 0s 7 1.27504610e+06 1.27504499e+06 8.95e-13 3.83e-12 3.37e-05 0s Barrier solved model in 7 iterations and 0.37 seconds Optimal objective 1.27504610e+06