Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:05:34 2013 Optimize a model with 126000 rows, 189002 columns and 252000 nonzeros Model has 63000 quadratic constraints Presolve time: 0.14s Presolved: 126000 rows, 189002 columns, 252000 nonzeros Presolved model has 63000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.890e+05 Factor NZ : 4.410e+05 (roughly 130 MBytes of memory) Factor Ops : 1.575e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.36207521e+07 0.00000000e+00 8.85e-12 5.03e-01 2.93e+02 0s 1 1.09123235e+07 2.23543049e+06 4.57e-07 4.63e-05 4.59e+01 1s 2 8.18011405e+06 6.50448155e+06 6.61e-08 2.80e-06 8.87e+00 1s 3 7.53285615e+06 7.19570607e+06 1.45e-08 3.38e-07 1.78e+00 1s 4 7.32986378e+06 7.29886888e+06 1.27e-09 1.58e-08 1.64e-01 2s 5 7.30601873e+06 7.30532194e+06 2.66e-11 1.56e-10 3.69e-03 2s 6 7.30555462e+06 7.30545044e+06 4.63e-12 3.88e-12 5.51e-04 2s 7 7.30548342e+06 7.30545677e+06 1.38e-12 5.54e-12 1.41e-04 2s 8 7.30547315e+06 7.30545913e+06 9.66e-13 3.03e-12 7.42e-05 3s 9 7.30546786e+06 7.30545938e+06 8.24e-13 3.77e-12 4.49e-05 3s 10 7.30546506e+06 7.30545944e+06 5.68e-13 3.86e-12 2.98e-05 3s Barrier solved model in 10 iterations and 3.06 seconds Optimal objective 7.30546506e+06