Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:54:48 2013 Optimize a model with 116000 rows, 174002 columns and 232000 nonzeros Model has 58000 quadratic constraints Presolve time: 0.13s Presolved: 116000 rows, 174002 columns, 232000 nonzeros Presolved model has 58000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.740e+05 Factor NZ : 4.060e+05 (roughly 120 MBytes of memory) Factor Ops : 1.450e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.92881179e+07 0.00000000e+00 1.01e-11 4.97e-01 2.93e+02 0s 1 1.00033166e+07 2.03418790e+06 1.62e-06 4.66e-05 4.58e+01 0s 2 7.49193748e+06 5.94228761e+06 2.35e-07 2.86e-06 8.91e+00 1s 3 6.89148635e+06 6.58189755e+06 5.06e-08 3.46e-07 1.78e+00 1s 4 6.71235858e+06 6.66278103e+06 6.05e-09 6.78e-08 2.85e-01 1s 5 6.68719205e+06 6.68111379e+06 5.97e-10 8.97e-09 3.49e-02 2s 6 6.68438733e+06 6.68418125e+06 3.97e-11 1.31e-11 1.18e-03 2s 7 6.68421813e+06 6.68418644e+06 6.15e-12 4.39e-12 1.82e-04 2s 8 6.68419667e+06 6.68418703e+06 2.05e-12 3.59e-12 5.54e-05 2s 9 6.68419219e+06 6.68418724e+06 1.59e-12 1.08e-11 2.84e-05 3s Barrier solved model in 9 iterations and 2.60 seconds Optimal objective 6.68419219e+06