Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:45:26 2013 Optimize a model with 106000 rows, 159002 columns and 212000 nonzeros Model has 53000 quadratic constraints Presolve time: 0.12s Presolved: 106000 rows, 159002 columns, 212000 nonzeros Presolved model has 53000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.590e+05 Factor NZ : 3.710e+05 (roughly 100 MBytes of memory) Factor Ops : 1.325e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.52755994e+07 0.00000000e+00 5.10e-12 5.01e-01 2.94e+02 0s 1 9.18794652e+06 1.87169306e+06 8.41e-07 4.68e-05 4.60e+01 0s 2 6.88290468e+06 5.46248495e+06 1.22e-07 2.87e-06 8.93e+00 1s 3 6.33544914e+06 6.04847620e+06 2.67e-08 3.52e-07 1.80e+00 1s 4 6.17112086e+06 6.12334950e+06 3.45e-09 6.90e-08 3.00e-01 1s 5 6.14360214e+06 6.13809067e+06 1.20e-11 1.68e-08 3.47e-02 1s 6 6.14322933e+06 6.14317536e+06 1.25e-12 3.47e-11 3.39e-04 2s 7 6.14319633e+06 6.14318652e+06 5.61e-13 2.52e-12 6.17e-05 2s 8 6.14318803e+06 6.14318696e+06 3.27e-13 5.27e-12 6.76e-06 2s Barrier solved model in 8 iterations and 2.10 seconds Optimal objective 6.14318803e+06