Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:44:07 2013 Optimize a model with 104000 rows, 156002 columns and 208000 nonzeros Model has 52000 quadratic constraints Presolve time: 0.12s Presolved: 104000 rows, 156002 columns, 208000 nonzeros Presolved model has 52000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.560e+05 Factor NZ : 3.640e+05 (roughly 100 MBytes of memory) Factor Ops : 1.300e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.44203659e+07 0.00000000e+00 7.33e-12 5.00e-01 2.94e+02 0s 1 8.97779880e+06 1.83176562e+06 7.37e-07 4.66e-05 4.58e+01 0s 2 6.74141750e+06 5.36313504e+06 1.06e-07 2.81e-06 8.84e+00 1s 3 6.19589193e+06 5.93288135e+06 2.31e-08 3.37e-07 1.69e+00 1s 4 6.05130120e+06 5.99802152e+06 3.31e-09 8.80e-08 3.42e-01 1s 5 6.02416019e+06 6.02145406e+06 1.46e-10 3.65e-09 1.73e-02 1s 6 6.02280811e+06 6.02256463e+06 1.07e-11 4.01e-10 1.56e-03 2s 7 6.02272602e+06 6.02269455e+06 2.26e-12 2.71e-11 2.02e-04 2s 8 6.02271255e+06 6.02270312e+06 9.24e-13 5.55e-12 6.04e-05 2s 9 6.02270652e+06 6.02270367e+06 4.97e-13 1.89e-12 1.83e-05 2s Barrier solved model in 9 iterations and 2.31 seconds Optimal objective 6.02270652e+06