Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:16:43 2013 Optimize a model with 68000 rows, 102002 columns and 136000 nonzeros Model has 34000 quadratic constraints Presolve time: 0.08s Presolved: 68000 rows, 102002 columns, 136000 nonzeros Presolved model has 34000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.020e+05 Factor NZ : 2.380e+05 (roughly 70 MBytes of memory) Factor Ops : 8.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.93235181e+07 0.00000000e+00 2.63e-12 5.03e-01 2.97e+02 0s 1 5.90682917e+06 1.19538266e+06 5.74e-07 4.77e-05 4.62e+01 0s 2 4.42771716e+06 3.50818848e+06 8.38e-08 2.98e-06 9.01e+00 0s 3 4.07541441e+06 3.88835086e+06 1.85e-08 3.65e-07 1.83e+00 1s 4 3.97174125e+06 3.93629553e+06 2.79e-09 7.74e-08 3.48e-01 1s 5 3.95042273e+06 3.94655815e+06 2.61e-11 1.85e-08 3.79e-02 1s 6 3.95013809e+06 3.94999370e+06 8.38e-12 5.61e-11 1.42e-03 1s 7 3.95002191e+06 3.95000345e+06 1.25e-12 3.52e-12 1.81e-04 1s 8 3.95000887e+06 3.95000351e+06 5.68e-13 5.19e-12 5.25e-05 1s 9 3.95000551e+06 3.95000383e+06 1.99e-13 2.55e-12 1.64e-05 2s Barrier solved model in 9 iterations and 1.56 seconds Optimal objective 3.95000551e+06