Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:23:48 2013 Optimize a model with 140000 rows, 210002 columns and 280000 nonzeros Model has 70000 quadratic constraints Presolve time: 0.16s Presolved: 140000 rows, 210002 columns, 280000 nonzeros Presolved model has 70000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.100e+05 Factor NZ : 4.900e+05 (roughly 150 MBytes of memory) Factor Ops : 1.750e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.91570125e+07 0.00000000e+00 1.06e-11 4.97e-01 2.91e+02 0s 1 1.20549189e+07 2.47190851e+06 9.20e-07 4.61e-05 4.56e+01 1s 2 9.04435612e+06 7.18832380e+06 1.34e-07 2.81e-06 8.84e+00 1s 3 8.32989518e+06 7.95299887e+06 2.97e-08 3.37e-07 1.79e+00 1s 4 8.11633316e+06 8.04620108e+06 4.70e-09 7.37e-08 3.34e-01 2s 5 8.07783031e+06 8.06587010e+06 3.62e-10 2.18e-08 5.70e-02 2s 6 8.07617978e+06 8.07369182e+06 1.91e-10 1.57e-09 1.18e-02 2s 7 8.07449817e+06 8.07427878e+06 1.63e-11 9.58e-11 1.04e-03 3s 8 8.07439937e+06 8.07432140e+06 6.91e-12 1.25e-11 3.71e-04 3s 9 8.07433712e+06 8.07432589e+06 1.02e-12 7.09e-12 5.35e-05 3s 10 8.07433181e+06 8.07432615e+06 1.26e-12 1.48e-11 2.69e-05 3s Barrier solved model in 10 iterations and 3.45 seconds Optimal objective 8.07433181e+06