Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:53:45 2013 Optimize a model with 114000 rows, 171002 columns and 228000 nonzeros Model has 57000 quadratic constraints Presolve time: 0.13s Presolved: 114000 rows, 171002 columns, 228000 nonzeros Presolved model has 57000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.710e+05 Factor NZ : 3.990e+05 (roughly 120 MBytes of memory) Factor Ops : 1.425e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.86110696e+07 0.00000000e+00 8.55e-12 5.01e-01 2.94e+02 0s 1 9.84114225e+06 2.01999045e+06 5.32e-07 4.64e-05 4.57e+01 0s 2 7.40752683e+06 5.90227995e+06 7.68e-08 2.78e-06 8.80e+00 1s 3 6.82838581e+06 6.51959844e+06 1.73e-08 3.42e-07 1.81e+00 1s 4 6.65667649e+06 6.59773645e+06 2.72e-09 7.03e-08 3.45e-01 1s 5 6.62072672e+06 6.61593705e+06 4.77e-11 1.11e-08 2.80e-02 2s 6 6.62004718e+06 6.61966445e+06 1.50e-11 2.03e-10 2.24e-03 2s 7 6.61982408e+06 6.61973450e+06 4.13e-12 2.05e-12 5.24e-04 2s 8 6.61975460e+06 6.61973456e+06 1.15e-12 3.26e-12 1.17e-04 2s 9 6.61974306e+06 6.61973588e+06 4.12e-13 1.09e-12 4.20e-05 3s 10 6.61973962e+06 6.61973649e+06 2.63e-13 8.39e-13 1.83e-05 3s Barrier solved model in 10 iterations and 2.77 seconds Optimal objective 6.61973962e+06