Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:08:07 2013 Optimize a model with 50000 rows, 75002 columns and 100000 nonzeros Model has 25000 quadratic constraints Presolve time: 0.06s Presolved: 50000 rows, 75002 columns, 100000 nonzeros Presolved model has 25000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 7.500e+04 Factor NZ : 1.750e+05 (roughly 50 MBytes of memory) Factor Ops : 6.250e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.15774678e+07 0.00000000e+00 1.53e-12 4.98e-01 2.97e+02 0s 1 4.32791361e+06 8.66026483e+05 9.41e-08 4.81e-05 4.62e+01 0s 2 3.23551393e+06 2.56206561e+06 1.35e-08 2.95e-06 8.98e+00 0s 3 2.97155865e+06 2.84079723e+06 3.00e-09 3.60e-07 1.74e+00 0s 4 2.90602603e+06 2.87296549e+06 6.75e-10 9.87e-08 4.41e-01 1s 5 2.88719266e+06 2.87745311e+06 3.60e-11 6.33e-08 1.30e-01 1s 6 2.88625477e+06 2.88409917e+06 1.13e-11 1.28e-08 2.87e-02 1s 7 2.88582074e+06 2.88579079e+06 2.56e-13 1.38e-10 3.99e-04 1s 8 2.88581182e+06 2.88580908e+06 1.42e-13 2.76e-12 3.66e-05 1s Barrier solved model in 8 iterations and 0.98 seconds Optimal objective 2.88581182e+06