Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:27:59 2013 Optimize a model with 180000 rows, 270002 columns and 360000 nonzeros Model has 90000 quadratic constraints Presolve time: 0.21s Presolved: 180000 rows, 270002 columns, 360000 nonzeros Presolved model has 90000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.700e+05 Factor NZ : 6.300e+05 (roughly 200 MBytes of memory) Factor Ops : 2.250e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.56855975e+07 0.00000000e+00 1.73e-11 5.02e-01 2.90e+02 1s 1 1.55146362e+07 3.22945373e+06 9.27e-07 4.52e-05 4.55e+01 1s 2 1.16770931e+07 9.31913044e+06 1.34e-07 2.70e-06 8.73e+00 1s 3 1.07677040e+07 1.02870517e+07 3.00e-08 3.26e-07 1.78e+00 2s 4 1.04897785e+07 1.04053370e+07 4.09e-09 7.27e-08 3.13e-01 2s 5 1.04420286e+07 1.04277899e+07 2.73e-11 2.62e-08 5.27e-02 3s 6 1.04412898e+07 1.04409823e+07 6.15e-12 1.88e-10 1.14e-03 3s 7 1.04410838e+07 1.04410719e+07 2.63e-13 1.10e-11 4.41e-05 3s 8 1.04410800e+07 1.04410766e+07 3.13e-13 4.62e-12 1.26e-05 4s Barrier solved model in 8 iterations and 3.70 seconds Optimal objective 1.04410800e+07