Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:00:53 2013 Optimize a model with 26000 rows, 39002 columns and 52000 nonzeros Model has 13000 quadratic constraints Presolve time: 0.03s Presolved: 26000 rows, 39002 columns, 52000 nonzeros Presolved model has 13000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.900e+04 Factor NZ : 9.100e+04 (roughly 27 MBytes of memory) Factor Ops : 3.250e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.12919445e+07 0.00000000e+00 2.98e-13 4.97e-01 2.99e+02 0s 1 2.27429200e+06 4.52638181e+05 3.17e-07 4.91e-05 4.67e+01 0s 2 1.69175179e+06 1.33098305e+06 4.65e-08 3.17e-06 9.25e+00 0s 3 1.55541137e+06 1.48173644e+06 1.04e-08 3.91e-07 1.89e+00 0s 4 1.51070283e+06 1.50464396e+06 7.29e-10 2.05e-08 1.55e-01 0s 5 1.50634807e+06 1.50622942e+06 1.69e-11 3.28e-11 3.04e-03 0s 6 1.50626241e+06 1.50624062e+06 3.28e-12 3.45e-13 5.59e-04 0s 7 1.50624889e+06 1.50624191e+06 1.17e-12 3.64e-13 1.79e-04 0s 8 1.50624518e+06 1.50624224e+06 6.54e-13 1.69e-13 7.54e-05 1s 9 1.50624397e+06 1.50624258e+06 4.69e-13 1.12e-12 3.56e-05 1s Barrier solved model in 9 iterations and 0.57 seconds Optimal objective 1.50624397e+06