Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:46:35 2013 Optimize a model with 108000 rows, 162002 columns and 216000 nonzeros Model has 54000 quadratic constraints Presolve time: 0.12s Presolved: 108000 rows, 162002 columns, 216000 nonzeros Presolved model has 54000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.620e+05 Factor NZ : 3.780e+05 (roughly 100 MBytes of memory) Factor Ops : 1.350e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.62349295e+07 0.00000000e+00 7.25e-12 5.05e-01 2.95e+02 0s 1 9.36976272e+06 1.90753051e+06 6.99e-07 4.68e-05 4.61e+01 0s 2 7.02167523e+06 5.57862277e+06 1.01e-07 2.83e-06 8.91e+00 1s 3 6.45285591e+06 6.17563020e+06 2.22e-08 3.41e-07 1.71e+00 1s 4 6.31315101e+06 6.24505309e+06 5.13e-09 8.61e-08 4.20e-01 1s 5 6.27405391e+06 6.25336959e+06 3.86e-10 5.66e-08 1.28e-01 2s 6 6.27106088e+06 6.26297086e+06 8.64e-11 2.40e-08 4.99e-02 2s 7 6.27062727e+06 6.27000837e+06 4.66e-11 3.44e-10 3.82e-03 2s 8 6.27014635e+06 6.27010036e+06 3.17e-12 3.89e-11 2.84e-04 2s 9 6.27012574e+06 6.27011231e+06 1.33e-12 3.01e-12 8.29e-05 2s 10 6.27011912e+06 6.27011288e+06 1.20e-12 5.86e-12 3.85e-05 3s Barrier solved model in 10 iterations and 2.60 seconds Optimal objective 6.27011912e+06