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 1.64339608e+06 0.00000000e+00 2.84e-14 4.86e-01 2.98e+02 0s 1 3.25166774e+05 6.56862703e+04 4.13e-08 4.96e-05 4.55e+01 0s 2 2.57548693e+05 1.95433622e+05 7.04e-08 8.45e-06 1.09e+01 0s 3 2.27027903e+05 2.17936644e+05 8.52e-09 1.15e-06 1.59e+00 0s 4 2.19942327e+05 2.19506221e+05 3.03e-11 1.03e-07 7.65e-02 0s 5 2.19844354e+05 2.19800673e+05 9.19e-12 8.41e-11 7.66e-03 0s 6 2.19804678e+05 2.19801338e+05 1.22e-10 5.08e-09 5.86e-04 0s 7 2.19803429e+05 2.19801405e+05 7.45e-11 6.57e-13 3.55e-04 0s 8 2.19801777e+05 2.19801436e+05 1.22e-11 2.16e-13 5.99e-05 0s 9 2.19801534e+05 2.19801450e+05 3.04e-12 8.82e-13 1.48e-05 0s Barrier solved model in 9 iterations and 0.08 seconds Optimal objective 2.19801534e+05