Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:42:40 2013 Optimize a model with 188000 rows, 282002 columns and 376000 nonzeros Model has 94000 quadratic constraints Presolve time: 0.22s Presolved: 188000 rows, 282002 columns, 376000 nonzeros Presolved model has 94000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.820e+05 Factor NZ : 6.580e+05 (roughly 200 MBytes of memory) Factor Ops : 2.350e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.87809528e+07 0.00000000e+00 2.08e-11 4.98e-01 2.89e+02 1s 1 1.61409362e+07 3.36801144e+06 1.14e-06 4.48e-05 4.53e+01 1s 2 1.21616727e+07 9.71915463e+06 1.64e-07 2.65e-06 8.66e+00 1s 3 1.12137868e+07 1.07209181e+07 3.62e-08 3.20e-07 1.75e+00 2s 4 1.08961506e+07 1.08688985e+07 9.91e-10 1.84e-08 9.66e-02 2s 5 1.08824504e+07 1.08798889e+07 1.46e-10 2.86e-10 9.08e-03 3s 6 1.08802481e+07 1.08799962e+07 8.39e-12 1.20e-10 8.93e-04 3s 7 1.08801701e+07 1.08800830e+07 4.03e-12 1.15e-11 3.09e-04 3s 8 1.08801030e+07 1.08800944e+07 2.77e-13 1.30e-11 3.05e-05 4s Barrier solved model in 8 iterations and 3.81 seconds Optimal objective 1.08801030e+07