Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:31:34 2013 Optimize a model with 146000 rows, 219002 columns and 292000 nonzeros Model has 73000 quadratic constraints Presolve time: 0.17s Presolved: 146000 rows, 219002 columns, 292000 nonzeros Presolved model has 73000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.190e+05 Factor NZ : 5.110e+05 (roughly 150 MBytes of memory) Factor Ops : 1.825e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.17742315e+07 0.00000000e+00 1.21e-11 5.01e-01 2.92e+02 0s 1 1.26045784e+07 2.59510672e+06 8.74e-07 4.58e-05 4.57e+01 1s 2 9.45823018e+06 7.53182847e+06 1.26e-07 2.75e-06 8.80e+00 1s 3 8.71328522e+06 8.32571026e+06 2.77e-08 3.30e-07 1.77e+00 1s 4 8.47341864e+06 8.44266277e+06 1.79e-09 1.83e-08 1.40e-01 2s 5 8.45218780e+06 8.45119896e+06 7.19e-11 9.40e-12 4.52e-03 2s 6 8.45142001e+06 8.45125210e+06 1.25e-11 6.56e-12 7.67e-04 2s 7 8.45129042e+06 8.45126300e+06 2.16e-12 9.26e-13 1.25e-04 3s 8 8.45127333e+06 8.45126554e+06 1.07e-12 4.82e-12 3.56e-05 3s Barrier solved model in 8 iterations and 2.97 seconds Optimal objective 8.45127333e+06