Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:57:43 2013 Optimize a model with 162000 rows, 243002 columns and 324000 nonzeros Model has 81000 quadratic constraints Presolve time: 0.20s Presolved: 162000 rows, 243002 columns, 324000 nonzeros Presolved model has 81000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.430e+05 Factor NZ : 5.670e+05 (roughly 170 MBytes of memory) Factor Ops : 2.025e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.84380845e+07 0.00000000e+00 1.67e-11 5.02e-01 2.91e+02 0s 1 1.39424056e+07 2.89674961e+06 2.06e-06 4.53e-05 4.55e+01 1s 2 1.05149778e+07 8.40478934e+06 2.97e-07 2.67e-06 8.68e+00 1s 3 9.67673568e+06 9.26998269e+06 6.04e-08 4.24e-07 1.67e+00 2s 4 9.45954953e+06 9.36874188e+06 1.05e-08 1.15e-07 3.74e-01 2s 5 9.41051279e+06 9.39739430e+06 4.61e-10 2.93e-08 5.40e-02 2s 6 9.40892204e+06 9.40771881e+06 1.97e-10 4.29e-11 4.95e-03 3s 7 9.40824727e+06 9.40772719e+06 8.41e-11 1.13e-11 2.14e-03 3s 8 9.40793018e+06 9.40773455e+06 3.16e-11 5.49e-12 8.05e-04 3s 9 9.40775419e+06 9.40773943e+06 2.44e-12 9.69e-13 6.07e-05 4s 10 9.40774221e+06 9.40774023e+06 7.39e-13 6.84e-12 8.15e-06 4s Barrier solved model in 10 iterations and 4.06 seconds Optimal objective 9.40774221e+06