Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:05:32 2013 Optimize a model with 44000 rows, 66002 columns and 88000 nonzeros Model has 22000 quadratic constraints Presolve time: 0.05s Presolved: 44000 rows, 66002 columns, 88000 nonzeros Presolved model has 22000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 6.600e+04 Factor NZ : 1.540e+05 (roughly 50 MBytes of memory) Factor Ops : 5.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.90357069e+07 0.00000000e+00 9.95e-13 5.00e-01 2.98e+02 0s 1 3.82635698e+06 7.66501562e+05 3.71e-07 4.85e-05 4.64e+01 0s 2 2.86288773e+06 2.26421057e+06 1.00e-07 3.35e-06 9.07e+00 0s 3 2.63280990e+06 2.51167874e+06 2.19e-08 4.13e-07 1.84e+00 0s 4 2.56163397e+06 2.54622699e+06 1.44e-09 6.30e-08 2.33e-01 1s 5 2.55197676e+06 2.55183264e+06 1.26e-11 3.26e-11 2.18e-03 1s 6 2.55188049e+06 2.55186523e+06 1.56e-12 2.70e-12 2.31e-04 1s 7 2.55186905e+06 2.55186738e+06 2.27e-13 1.56e-12 2.53e-05 1s Barrier solved model in 7 iterations and 0.75 seconds Optimal objective 2.55186905e+06