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 1.63210149e+06 0.00000000e+00 2.84e-14 4.74e-01 2.96e+02 0s 1 3.24987995e+05 6.52949693e+04 4.30e-08 4.91e-05 4.56e+01 0s 2 2.44468410e+05 1.93593316e+05 4.57e-08 6.14e-06 8.93e+00 0s 3 2.21806862e+05 2.14823010e+05 8.84e-09 9.73e-07 1.23e+00 0s 4 2.18683588e+05 2.17720573e+05 7.16e-10 1.16e-07 1.69e-01 0s 5 2.18149151e+05 2.17871691e+05 1.43e-10 5.42e-08 4.87e-02 0s 6 2.18052227e+05 2.17992609e+05 4.24e-11 6.29e-09 1.05e-02 0s 7 2.18033161e+05 2.18009110e+05 2.33e-11 2.35e-11 4.22e-03 0s 8 2.18010758e+05 2.18009526e+05 1.58e-10 7.38e-10 2.16e-04 0s 9 2.18010034e+05 2.18009634e+05 4.81e-10 2.81e-10 7.01e-05 0s 10 2.18009804e+05 2.18009647e+05 1.85e-10 8.15e-11 2.76e-05 0s Barrier solved model in 10 iterations and 0.08 seconds Optimal objective 2.18009804e+05