Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:31:41 2013 Optimize a model with 182000 rows, 273002 columns and 364000 nonzeros Model has 91000 quadratic constraints Presolve time: 0.22s Presolved: 182000 rows, 273002 columns, 364000 nonzeros Presolved model has 91000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.730e+05 Factor NZ : 6.370e+05 (roughly 200 MBytes of memory) Factor Ops : 2.275e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.65027830e+07 0.00000000e+00 9.72e-12 5.02e-01 2.90e+02 1s 1 1.56871368e+07 3.26723706e+06 1.00e-06 4.51e-05 4.55e+01 1s 2 1.18082228e+07 9.42504239e+06 1.45e-07 2.70e-06 8.73e+00 1s 3 1.08886408e+07 1.04030655e+07 3.24e-08 3.26e-07 1.78e+00 2s 4 1.06061565e+07 1.05226031e+07 4.26e-09 7.27e-08 3.06e-01 2s 5 1.05613375e+07 1.05483907e+07 1.86e-10 2.00e-08 4.74e-02 3s 6 1.05588871e+07 1.05586912e+07 1.03e-11 9.95e-11 7.18e-04 3s 7 1.05587860e+07 1.05587437e+07 3.08e-12 5.41e-12 1.55e-04 3s 8 1.05587506e+07 1.05587443e+07 1.02e-12 9.55e-12 2.31e-05 4s Barrier solved model in 8 iterations and 3.68 seconds Optimal objective 1.05587506e+07