Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:12:51 2013 Optimize a model with 62000 rows, 93002 columns and 124000 nonzeros Model has 31000 quadratic constraints Presolve time: 0.07s Presolved: 62000 rows, 93002 columns, 124000 nonzeros Presolved model has 31000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 9.300e+04 Factor NZ : 2.170e+05 (roughly 60 MBytes of memory) Factor Ops : 7.750e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.65840677e+07 0.00000000e+00 1.38e-12 5.01e-01 2.95e+02 0s 1 5.37619932e+06 1.09370089e+06 1.56e-07 4.75e-05 4.60e+01 0s 2 4.03463650e+06 3.20135796e+06 2.27e-08 2.94e-06 8.96e+00 0s 3 3.70593590e+06 3.54576931e+06 4.95e-09 3.60e-07 1.72e+00 1s 4 3.62338563e+06 3.58712048e+06 9.26e-10 8.80e-08 3.90e-01 1s 5 3.61649600e+06 3.59632554e+06 6.33e-10 3.01e-08 2.17e-01 1s 6 3.60915575e+06 3.60094789e+06 3.22e-10 2.11e-09 8.83e-02 1s 7 3.60162542e+06 3.60113094e+06 6.94e-12 1.15e-09 5.32e-03 1s 8 3.60151304e+06 3.60135123e+06 3.57e-12 1.62e-10 1.74e-03 1s 9 3.60139735e+06 3.60138587e+06 2.13e-13 2.13e-11 1.23e-04 1s 10 3.60139221e+06 3.60139097e+06 4.97e-14 1.79e-12 1.33e-05 2s Barrier solved model in 10 iterations and 1.51 seconds Optimal objective 3.60139221e+06