Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:57:24 2013 Optimize a model with 162000 rows, 243002 columns and 324000 nonzeros Model has 81000 quadratic constraints Presolve time: 0.19s Presolved: 162000 rows, 243002 columns, 324000 nonzeros Presolved model has 81000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.430e+05 Factor NZ : 5.670e+05 (roughly 170 MBytes of memory) Factor Ops : 2.025e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.83531645e+07 0.00000000e+00 1.23e-11 5.01e-01 2.91e+02 0s 1 1.39542654e+07 2.89675010e+06 2.50e-06 4.54e-05 4.55e+01 1s 2 1.05132689e+07 8.39755730e+06 2.78e-07 2.68e-06 8.71e+00 1s 3 9.67304848e+06 9.26334419e+06 6.14e-08 3.27e-07 1.69e+00 2s 4 9.44008843e+06 9.36786343e+06 7.42e-09 7.76e-08 2.97e-01 2s 5 9.40627741e+06 9.40190435e+06 7.25e-10 6.49e-10 1.80e-02 2s 6 9.40256829e+06 9.40240246e+06 2.75e-11 2.26e-11 6.82e-04 3s 7 9.40246016e+06 9.40242580e+06 6.37e-12 6.27e-12 1.41e-04 3s 8 9.40243586e+06 9.40242690e+06 2.22e-12 2.82e-12 3.68e-05 3s Barrier solved model in 8 iterations and 3.30 seconds Optimal objective 9.40243586e+06