Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:16:12 2013 Optimize a model with 174000 rows, 261002 columns and 348000 nonzeros Model has 87000 quadratic constraints Presolve time: 0.21s Presolved: 174000 rows, 261002 columns, 348000 nonzeros Presolved model has 87000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.610e+05 Factor NZ : 6.090e+05 (roughly 180 MBytes of memory) Factor Ops : 2.175e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.30103392e+07 0.00000000e+00 2.01e-11 4.97e-01 2.89e+02 1s 1 1.49615896e+07 3.10187129e+06 1.16e-06 4.54e-05 4.54e+01 1s 2 1.12479064e+07 8.96465838e+06 1.68e-07 2.73e-06 8.75e+00 1s 3 1.03615384e+07 9.90271965e+06 3.67e-08 3.27e-07 1.76e+00 2s 4 1.01120420e+07 1.00189096e+07 6.47e-09 6.55e-08 3.57e-01 2s 5 1.00526788e+07 1.00465298e+07 1.25e-10 7.85e-09 2.36e-02 3s 6 1.00510602e+07 1.00508747e+07 8.91e-12 1.12e-10 7.11e-04 3s 7 1.00509510e+07 1.00509372e+07 9.73e-13 1.38e-11 5.32e-05 3s 8 1.00509409e+07 1.00509381e+07 4.83e-13 2.76e-11 1.04e-05 4s Barrier solved model in 8 iterations and 3.51 seconds Optimal objective 1.00509409e+07