Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:00:01 2013 Optimize a model with 120000 rows, 180002 columns and 240000 nonzeros Model has 60000 quadratic constraints Presolve time: 0.14s Presolved: 120000 rows, 180002 columns, 240000 nonzeros Presolved model has 60000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.800e+05 Factor NZ : 4.200e+05 (roughly 120 MBytes of memory) Factor Ops : 1.500e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.10726337e+07 0.00000000e+00 6.66e-12 5.01e-01 2.93e+02 0s 1 1.03675783e+07 2.12426861e+06 4.71e-07 4.63e-05 4.58e+01 0s 2 7.78504691e+06 6.19890480e+06 6.78e-08 2.77e-06 8.81e+00 1s 3 7.15729451e+06 6.85044931e+06 1.49e-08 3.38e-07 1.70e+00 1s 4 6.99182859e+06 6.92729849e+06 2.39e-09 8.70e-08 3.59e-01 1s 5 6.95864544e+06 6.95205697e+06 1.81e-10 9.95e-09 3.66e-02 2s 6 6.95678436e+06 6.95557093e+06 7.02e-11 8.47e-11 6.74e-03 2s 7 6.95567504e+06 6.95560540e+06 3.30e-12 2.99e-12 3.87e-04 2s 8 6.95563609e+06 6.95560756e+06 1.59e-12 2.98e-12 1.58e-04 2s 9 6.95562341e+06 6.95560794e+06 1.88e-12 6.05e-12 8.60e-05 3s 10 6.95561962e+06 6.95560816e+06 2.20e-12 9.07e-12 6.37e-05 3s 11 6.95561648e+06 6.95560837e+06 1.72e-12 1.18e-11 4.51e-05 3s 12 6.95561502e+06 6.95560839e+06 1.68e-12 9.20e-12 3.69e-05 3s Barrier solved model in 12 iterations and 3.44 seconds Optimal objective 6.95561502e+06