Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:55:26 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 4.94721925e+07 0.00000000e+00 8.78e-12 5.02e-01 2.94e+02 0s 1 1.00526982e+07 2.05390256e+06 2.07e-07 4.66e-05 4.60e+01 0s 2 7.53604514e+06 5.98550899e+06 3.01e-08 2.85e-06 8.91e+00 1s 3 6.93731671e+06 6.62494963e+06 6.56e-09 3.48e-07 1.80e+00 1s 4 6.75718090e+06 6.70662580e+06 8.11e-10 6.74e-08 2.91e-01 1s 5 6.72990611e+06 6.72229482e+06 4.65e-11 1.70e-08 4.37e-02 2s 6 6.72800122e+06 6.72790408e+06 1.68e-12 6.79e-11 5.58e-04 2s 7 6.72793803e+06 6.72792971e+06 2.56e-13 7.68e-12 4.78e-05 2s 8 6.72793263e+06 6.72792999e+06 8.03e-13 5.65e-12 1.52e-05 2s Barrier solved model in 8 iterations and 2.37 seconds Optimal objective 6.72793263e+06