Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:24:04 2013 Optimize a model with 140000 rows, 210002 columns and 280000 nonzeros Model has 70000 quadratic constraints Presolve time: 0.18s 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 5.93810363e+07 0.00000000e+00 6.98e-12 5.02e-01 2.92e+02 0s 1 1.20946644e+07 2.49221750e+06 4.40e-07 4.60e-05 4.57e+01 1s 2 9.08788758e+06 7.24395157e+06 6.31e-08 2.74e-06 8.78e+00 1s 3 8.35935283e+06 8.00358671e+06 1.39e-08 3.34e-07 1.69e+00 1s 4 8.17119400e+06 8.09447313e+06 2.49e-09 8.06e-08 3.65e-01 2s 5 8.12884878e+06 8.12013782e+06 1.79e-10 1.22e-08 4.15e-02 2s 6 8.12663989e+06 8.12514984e+06 7.15e-11 1.41e-11 7.10e-03 2s 7 8.12539141e+06 8.12514988e+06 1.14e-11 7.36e-12 1.15e-03 3s 8 8.12525520e+06 8.12515307e+06 4.56e-12 5.83e-12 4.86e-04 3s 9 8.12518933e+06 8.12516035e+06 1.31e-12 5.22e-12 1.38e-04 3s 10 8.12517041e+06 8.12516207e+06 4.55e-13 1.03e-12 3.97e-05 3s 11 8.12516712e+06 8.12516246e+06 1.29e-12 7.43e-13 2.22e-05 4s Barrier solved model in 11 iterations and 3.83 seconds Optimal objective 8.12516712e+06