Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:40:48 2013 Optimize a model with 102000 rows, 153002 columns and 204000 nonzeros Model has 51000 quadratic constraints Presolve time: 0.11s Presolved: 102000 rows, 153002 columns, 204000 nonzeros Presolved model has 51000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.530e+05 Factor NZ : 3.570e+05 (roughly 100 MBytes of memory) Factor Ops : 1.275e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.36242941e+07 0.00000000e+00 4.39e-12 5.02e-01 2.95e+02 0s 1 8.85364359e+06 1.80108805e+06 9.85e-07 4.68e-05 4.61e+01 0s 2 6.62532707e+06 5.25731381e+06 1.43e-07 2.86e-06 8.94e+00 1s 3 6.09855504e+06 5.82342099e+06 3.14e-08 3.44e-07 1.80e+00 1s 4 5.92912786e+06 5.90755113e+06 2.11e-09 1.60e-08 1.41e-01 1s 5 5.91330425e+06 5.91284880e+06 4.81e-11 7.41e-13 2.98e-03 1s 6 5.91297441e+06 5.91289420e+06 8.90e-12 4.26e-12 5.24e-04 2s 7 5.91292147e+06 5.91289929e+06 2.76e-12 7.22e-13 1.45e-04 2s 8 5.91291178e+06 5.91290085e+06 1.53e-12 4.52e-12 7.15e-05 2s 9 5.91290752e+06 5.91290203e+06 8.10e-13 2.36e-12 3.59e-05 2s Barrier solved model in 9 iterations and 2.28 seconds Optimal objective 5.91290752e+06