Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:45 2013 Optimize a model with 12600 rows, 18902 columns and 25200 nonzeros Model has 6300 quadratic constraints Presolve time: 0.01s Presolved: 12600 rows, 18902 columns, 25200 nonzeros Presolved model has 6300 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.890e+04 Factor NZ : 4.410e+04 (roughly 13 MBytes of memory) Factor Ops : 1.575e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.47532681e+06 0.00000000e+00 9.95e-14 4.97e-01 2.99e+02 0s 1 1.09656199e+06 2.16073140e+05 1.71e-08 4.96e-05 4.66e+01 0s 2 8.14925097e+05 6.42282143e+05 2.71e-08 5.87e-06 9.13e+00 0s 3 7.45559707e+05 7.14878725e+05 3.59e-09 7.08e-07 1.62e+00 0s 4 7.26715386e+05 7.26108792e+05 2.67e-11 1.04e-10 3.21e-02 0s 5 7.26305746e+05 7.26234711e+05 3.67e-12 2.54e-12 3.76e-03 0s 6 7.26254314e+05 7.26240620e+05 7.96e-13 5.44e-13 7.25e-04 0s 7 7.26242454e+05 7.26240934e+05 3.13e-13 7.29e-14 8.04e-05 0s 8 7.26241716e+05 7.26241071e+05 3.13e-13 8.70e-13 3.42e-05 0s Barrier solved model in 8 iterations and 0.24 seconds Optimal objective 7.26241716e+05