Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:53:55 2013 Optimize a model with 160000 rows, 240002 columns and 320000 nonzeros Model has 80000 quadratic constraints Presolve time: 0.19s Presolved: 160000 rows, 240002 columns, 320000 nonzeros Presolved model has 80000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.400e+05 Factor NZ : 5.600e+05 (roughly 170 MBytes of memory) Factor Ops : 2.000e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.75556107e+07 0.00000000e+00 1.42e-11 5.01e-01 2.91e+02 0s 1 1.38094525e+07 2.85899462e+06 1.05e-06 4.56e-05 4.56e+01 1s 2 1.03832881e+07 8.27648155e+06 1.52e-07 2.74e-06 8.78e+00 1s 3 9.56517381e+06 9.14211085e+06 3.31e-08 3.31e-07 1.76e+00 2s 4 9.31887027e+06 9.25225120e+06 3.97e-09 6.30e-08 2.78e-01 2s 5 9.28114509e+06 9.26733924e+06 4.02e-11 2.85e-08 5.75e-02 2s 6 9.28052979e+06 9.28021600e+06 1.14e-11 1.59e-10 1.31e-03 3s 7 9.28029781e+06 9.28028402e+06 3.77e-13 1.03e-11 5.74e-05 3s 8 9.28029129e+06 9.28028795e+06 2.63e-13 1.84e-12 1.39e-05 3s Barrier solved model in 8 iterations and 3.31 seconds Optimal objective 9.28029129e+06