Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:52:54 2013 Optimize a model with 14600 rows, 21902 columns and 29200 nonzeros Model has 7300 quadratic constraints Presolve time: 0.02s Presolved: 14600 rows, 21902 columns, 29200 nonzeros Presolved model has 7300 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.190e+04 Factor NZ : 5.110e+04 (roughly 15 MBytes of memory) Factor Ops : 1.825e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.33255805e+06 0.00000000e+00 1.56e-13 4.92e-01 2.99e+02 0s 1 1.26491273e+06 2.53489949e+05 5.37e-08 4.89e-05 4.62e+01 0s 2 9.49241166e+05 7.52021682e+05 2.13e-08 3.67e-06 9.01e+00 0s 3 8.71148190e+05 8.32733818e+05 4.61e-09 4.74e-07 1.75e+00 0s 4 8.51168216e+05 8.42329322e+05 7.79e-10 1.38e-07 4.04e-01 0s 5 8.46642869e+05 8.43893369e+05 4.77e-12 8.61e-08 1.26e-01 0s 6 8.46560657e+05 8.46521007e+05 1.02e-12 5.49e-10 1.81e-03 0s 7 8.46542754e+05 8.46533047e+05 2.27e-13 1.66e-10 4.43e-04 0s 8 8.46538906e+05 8.46538232e+05 2.70e-10 5.22e-10 3.08e-05 0s Barrier solved model in 8 iterations and 0.27 seconds Optimal objective 8.46538906e+05