Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:36 2013 Optimize a model with 3800 rows, 5702 columns and 7600 nonzeros Model has 1900 quadratic constraints Presolve time: 0.00s Presolved: 3800 rows, 5702 columns, 7600 nonzeros Presolved model has 1900 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 5.700e+03 Factor NZ : 1.330e+04 (roughly 4 MBytes of memory) Factor Ops : 4.750e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.62881295e+06 0.00000000e+00 2.84e-14 4.93e-01 2.95e+02 0s 1 3.29937874e+05 6.70732329e+04 2.52e-08 5.00e-05 4.61e+01 0s 2 2.46870915e+05 1.94153832e+05 5.12e-08 6.86e-06 9.25e+00 0s 3 2.25265590e+05 2.17040775e+05 1.36e-08 1.05e-06 1.44e+00 0s 4 2.19954098e+05 2.19505386e+05 4.14e-09 1.86e-07 7.87e-02 0s 5 2.19811742e+05 2.19782234e+05 1.03e-09 6.65e-09 5.18e-03 0s 6 2.19784905e+05 2.19783458e+05 5.02e-11 2.67e-10 2.54e-04 0s 7 2.19784323e+05 2.19783521e+05 1.04e-09 1.25e-10 1.41e-04 0s 8 2.19783931e+05 2.19783542e+05 5.14e-10 3.35e-11 6.82e-05 0s 9 2.19783751e+05 2.19783547e+05 2.60e-10 2.27e-11 3.58e-05 0s Barrier solved model in 9 iterations and 0.08 seconds Optimal objective 2.19783751e+05