Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:48:26 2013 Optimize a model with 9800 rows, 14702 columns and 19600 nonzeros Model has 4900 quadratic constraints Presolve time: 0.01s Presolved: 9800 rows, 14702 columns, 19600 nonzeros Presolved model has 4900 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.470e+04 Factor NZ : 3.430e+04 (roughly 10 MBytes of memory) Factor Ops : 1.225e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.23889399e+06 0.00000000e+00 8.53e-14 4.87e-01 2.98e+02 0s 1 8.46148382e+05 1.68885281e+05 4.83e-08 4.91e-05 4.61e+01 0s 2 6.31949024e+05 4.98874864e+05 3.34e-08 6.18e-06 9.05e+00 0s 3 5.79694893e+05 5.55413647e+05 1.15e-08 8.57e-07 1.65e+00 0s 4 5.66655569e+05 5.62260626e+05 1.71e-09 1.92e-07 2.99e-01 0s 5 5.63478290e+05 5.63280300e+05 2.62e-11 1.98e-08 1.35e-02 0s 6 5.63440779e+05 5.63413689e+05 1.08e-11 1.07e-10 1.84e-03 0s 7 5.63416650e+05 5.63414583e+05 9.02e-13 4.67e-13 1.41e-04 0s 8 5.63415135e+05 5.63414626e+05 6.63e-10 5.38e-10 3.46e-05 0s Barrier solved model in 8 iterations and 0.17 seconds Optimal objective 5.63415135e+05