Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:35:26 2013 Optimize a model with 184000 rows, 276002 columns and 368000 nonzeros Model has 92000 quadratic constraints Presolve time: 0.22s Presolved: 184000 rows, 276002 columns, 368000 nonzeros Presolved model has 92000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.760e+05 Factor NZ : 6.440e+05 (roughly 200 MBytes of memory) Factor Ops : 2.300e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.73089161e+07 0.00000000e+00 2.01e-11 5.02e-01 2.89e+02 1s 1 1.58583542e+07 3.30493064e+06 1.02e-06 4.51e-05 4.55e+01 1s 2 1.19382228e+07 9.53002359e+06 1.47e-07 2.69e-06 8.73e+00 1s 3 1.10081293e+07 1.05185521e+07 3.29e-08 3.25e-07 1.77e+00 2s 4 1.07267333e+07 1.06401051e+07 4.58e-09 6.96e-08 3.14e-01 2s 5 1.06784104e+07 1.06657706e+07 1.98e-10 1.84e-08 4.58e-02 3s 6 1.06757767e+07 1.06755847e+07 9.86e-12 9.70e-11 6.96e-04 3s 7 1.06756778e+07 1.06756385e+07 2.84e-12 7.35e-12 1.42e-04 3s 8 1.06756447e+07 1.06756390e+07 1.11e-12 1.20e-11 2.05e-05 4s Barrier solved model in 8 iterations and 3.71 seconds Optimal objective 1.06756447e+07