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 1.63961084e+06 0.00000000e+00 2.84e-14 5.01e-01 2.97e+02 0s 1 3.23481284e+05 6.90296842e+04 1.57e-08 4.83e-05 4.46e+01 0s 2 2.62960416e+05 2.03674560e+05 4.87e-08 7.68e-06 1.04e+01 0s 3 2.31117748e+05 2.23950049e+05 6.40e-09 1.14e-06 1.26e+00 0s 4 2.26207609e+05 2.26062682e+05 2.01e-09 1.48e-08 2.54e-02 0s 5 2.26126696e+05 2.26118828e+05 2.27e-10 2.57e-09 1.38e-03 0s 6 2.26120734e+05 2.26119362e+05 4.56e-10 6.53e-10 2.41e-04 0s 7 2.26119772e+05 2.26119453e+05 9.86e-11 5.86e-11 5.60e-05 0s 8 2.26119632e+05 2.26119495e+05 4.00e-11 9.87e-12 2.41e-05 0s Barrier solved model in 8 iterations and 0.06 seconds Optimal objective 2.26119632e+05