Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:08:41 2013 Optimize a model with 52000 rows, 78002 columns and 104000 nonzeros Model has 26000 quadratic constraints Presolve time: 0.06s Presolved: 52000 rows, 78002 columns, 104000 nonzeros Presolved model has 26000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 7.800e+04 Factor NZ : 1.820e+05 (roughly 50 MBytes of memory) Factor Ops : 6.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.25532372e+07 0.00000000e+00 1.07e-12 5.07e-01 2.99e+02 0s 1 4.52002102e+06 9.15142940e+05 1.49e-07 4.78e-05 4.62e+01 0s 2 3.39725649e+06 2.69845076e+06 2.15e-08 2.93e-06 8.96e+00 0s 3 3.12170972e+06 2.98663823e+06 4.71e-09 3.64e-07 1.73e+00 1s 4 3.05039527e+06 3.02185902e+06 7.94e-10 8.85e-08 3.66e-01 1s 5 3.03423203e+06 3.03098914e+06 1.73e-11 1.94e-08 4.16e-02 1s 6 3.03393983e+06 3.03370759e+06 7.40e-12 9.84e-11 2.98e-03 1s 7 3.03374434e+06 3.03372199e+06 7.89e-13 2.79e-12 2.87e-04 1s 8 3.03372962e+06 3.03372222e+06 7.11e-13 3.49e-12 9.49e-05 1s 9 3.03372657e+06 3.03372237e+06 5.40e-13 1.99e-12 5.38e-05 1s 10 3.03372537e+06 3.03372240e+06 2.42e-12 1.90e-12 3.82e-05 1s Barrier solved model in 10 iterations and 1.25 seconds Optimal objective 3.03372537e+06