Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:57 2013 Optimize a model with 780 rows, 1172 columns and 1560 nonzeros Model has 390 quadratic constraints Presolve time: 0.00s Presolved: 780 rows, 1172 columns, 1560 nonzeros Presolved model has 390 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.170e+03 Factor NZ : 2.733e+03 Factor Ops : 9.755e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.34995451e+05 0.00000000e+00 2.84e-14 4.74e-01 2.96e+02 0s 1 6.44972733e+04 1.37663667e+04 1.86e-08 5.08e-05 4.34e+01 0s 2 5.02498854e+04 4.05000837e+04 1.95e-08 8.84e-06 8.33e+00 0s 3 4.61604997e+04 4.43682992e+04 4.61e-09 2.17e-06 1.53e+00 0s 4 4.52953059e+04 4.49393720e+04 4.46e-10 8.09e-07 3.04e-01 0s 5 4.52756152e+04 4.52033888e+04 4.24e-10 6.91e-08 6.17e-02 0s 6 4.52284610e+04 4.52142311e+04 8.88e-11 8.62e-09 1.22e-02 0s 7 4.52175634e+04 4.52148612e+04 1.09e-11 5.50e-09 2.31e-03 0s 8 4.52161536e+04 4.52160171e+04 2.62e-09 8.39e-09 1.17e-04 0s 9 4.52161050e+04 4.52160965e+04 2.50e-09 5.63e-09 7.28e-06 0s Barrier solved model in 9 iterations and 0.02 seconds Optimal objective 4.52161050e+04