Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:01:59 2013 Optimize a model with 32000 rows, 48002 columns and 64000 nonzeros Model has 16000 quadratic constraints Presolve time: 0.04s Presolved: 32000 rows, 48002 columns, 64000 nonzeros Presolved model has 16000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 4.800e+04 Factor NZ : 1.120e+05 (roughly 30 MBytes of memory) Factor Ops : 4.000e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.38036241e+07 0.00000000e+00 5.54e-13 4.99e-01 2.97e+02 0s 1 2.77850103e+06 5.55509988e+05 1.66e-07 4.84e-05 4.63e+01 0s 2 2.07356398e+06 1.63732126e+06 2.41e-08 3.04e-06 9.09e+00 0s 3 1.90312948e+06 1.81784493e+06 5.35e-09 3.78e-07 1.78e+00 0s 4 1.85874469e+06 1.84051031e+06 9.71e-10 8.81e-08 3.80e-01 0s 5 1.84859464e+06 1.84648807e+06 7.19e-11 1.35e-08 4.39e-02 0s 6 1.84804686e+06 1.84767953e+06 2.87e-11 8.42e-12 7.65e-03 1s 7 1.84783156e+06 1.84768118e+06 1.19e-11 2.08e-12 3.13e-03 1s 8 1.84770796e+06 1.84768207e+06 2.10e-12 9.14e-13 5.39e-04 1s 9 1.84768886e+06 1.84768231e+06 6.47e-13 5.62e-13 1.36e-04 1s 10 1.84768572e+06 1.84768259e+06 3.27e-13 7.14e-13 6.52e-05 1s 11 1.84768329e+06 1.84768272e+06 1.56e-13 8.17e-13 1.19e-05 1s Barrier solved model in 11 iterations and 0.84 seconds Optimal objective 1.84768329e+06