Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:36 2013 Optimize a model with 12400 rows, 18602 columns and 24800 nonzeros Model has 6200 quadratic constraints Presolve time: 0.01s Presolved: 12400 rows, 18602 columns, 24800 nonzeros Presolved model has 6200 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.860e+04 Factor NZ : 4.340e+04 (roughly 13 MBytes of memory) Factor Ops : 1.550e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.38966059e+06 0.00000000e+00 8.53e-14 4.93e-01 2.99e+02 0s 1 1.08006391e+06 2.14908134e+05 2.30e-08 4.94e-05 4.65e+01 0s 2 8.04635585e+05 6.33049838e+05 5.44e-08 3.58e-06 9.23e+00 0s 3 7.38111346e+05 7.04875263e+05 8.84e-09 5.29e-07 1.79e+00 0s 4 7.19017488e+05 7.13112635e+05 8.14e-10 1.50e-07 3.17e-01 0s 5 7.17376662e+05 7.15924273e+05 2.52e-10 2.87e-08 7.81e-02 0s 6 7.16911926e+05 7.16612694e+05 9.68e-11 1.27e-10 1.61e-02 0s 7 7.16630774e+05 7.16616851e+05 4.54e-12 1.33e-13 7.49e-04 0s 8 7.16622467e+05 7.16617298e+05 1.78e-12 2.14e-13 2.78e-04 0s 9 7.16621050e+05 7.16617420e+05 1.68e-12 2.19e-13 1.95e-04 0s 10 7.16619612e+05 7.16617477e+05 1.31e-12 2.21e-13 1.15e-04 0s 11 7.16619148e+05 7.16617496e+05 1.45e-12 7.61e-13 8.88e-05 0s 12 7.16618766e+05 7.16617513e+05 3.18e-12 5.81e-13 6.74e-05 0s 13 7.16618346e+05 7.16617609e+05 2.17e-12 3.58e-12 3.97e-05 0s 14 7.16618236e+05 7.16617629e+05 1.83e-12 1.64e-12 3.27e-05 0s Barrier solved model in 14 iterations and 0.39 seconds Optimal objective 7.16618236e+05