Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:14:06 2013 Optimize a model with 172000 rows, 258002 columns and 344000 nonzeros Model has 86000 quadratic constraints Presolve time: 0.56s Presolved: 172000 rows, 258002 columns, 344000 nonzeros Presolved model has 86000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.580e+05 Factor NZ : 6.020e+05 (roughly 180 MBytes of memory) Factor Ops : 2.150e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.24337577e+07 0.00000000e+00 1.62e-11 5.01e-01 2.90e+02 1s 1 1.48064457e+07 3.08114321e+06 8.62e-07 4.52e-05 4.54e+01 1s 2 1.11591604e+07 8.91937159e+06 1.24e-07 2.66e-06 8.68e+00 2s 3 1.02699226e+07 9.83556340e+06 2.75e-08 3.24e-07 1.68e+00 2s 4 1.00226054e+07 9.94682690e+06 3.31e-09 7.56e-08 2.94e-01 3s 5 9.98695343e+06 9.98231587e+06 3.31e-10 4.80e-10 1.80e-02 3s 6 9.98294402e+06 9.98276148e+06 1.30e-11 1.54e-11 7.07e-04 3s 7 9.98282295e+06 9.98278456e+06 3.03e-12 2.70e-12 1.49e-04 4s 8 9.98279572e+06 9.98278584e+06 1.45e-12 5.53e-12 3.83e-05 4s Barrier solved model in 8 iterations and 3.83 seconds Optimal objective 9.98279572e+06