Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:48:53 2013 Optimize a model with 158000 rows, 237002 columns and 316000 nonzeros Model has 79000 quadratic constraints Presolve time: 0.19s Presolved: 158000 rows, 237002 columns, 316000 nonzeros Presolved model has 79000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.370e+05 Factor NZ : 5.530e+05 (roughly 160 MBytes of memory) Factor Ops : 1.975e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.66176759e+07 0.00000000e+00 8.54e-12 4.99e-01 2.91e+02 0s 1 1.35982491e+07 2.82123163e+06 1.40e-06 4.55e-05 4.55e+01 1s 2 1.02428268e+07 8.17864703e+06 2.02e-07 2.70e-06 8.71e+00 1s 3 9.42185117e+06 9.02792515e+06 4.40e-08 3.23e-07 1.66e+00 2s 4 9.21690724e+06 9.12707449e+06 8.60e-09 7.95e-08 3.79e-01 2s 5 9.16555625e+06 9.15351136e+06 5.55e-10 1.73e-08 5.08e-02 2s 6 9.16314468e+06 9.16144804e+06 2.28e-10 1.50e-11 7.16e-03 3s 7 9.16179521e+06 9.16145765e+06 4.48e-11 5.50e-12 1.42e-03 3s 8 9.16160762e+06 9.16146249e+06 1.95e-11 2.08e-12 6.12e-04 3s 9 9.16148984e+06 9.16146321e+06 3.33e-12 4.49e-12 1.12e-04 4s 10 9.16147017e+06 9.16146517e+06 6.68e-13 5.13e-12 2.11e-05 4s Barrier solved model in 10 iterations and 3.97 seconds Optimal objective 9.16147017e+06