Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:54:02 2013 Optimize a model with 15600 rows, 23402 columns and 31200 nonzeros Model has 7800 quadratic constraints Presolve time: 0.02s Presolved: 15600 rows, 23402 columns, 31200 nonzeros Presolved model has 7800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.340e+04 Factor NZ : 5.460e+04 (roughly 16 MBytes of memory) Factor Ops : 1.950e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.75756792e+06 0.00000000e+00 1.28e-13 4.91e-01 2.99e+02 0s 1 1.34873726e+06 2.67289601e+05 1.05e-07 4.89e-05 4.62e+01 0s 2 1.00540726e+06 7.93560723e+05 1.98e-08 3.38e-06 9.05e+00 0s 3 9.26371822e+05 8.81906057e+05 3.93e-09 4.15e-07 1.90e+00 0s 4 8.98256305e+05 8.95962274e+05 2.31e-10 5.56e-13 9.80e-02 0s 5 8.96263943e+05 8.96102276e+05 1.53e-11 4.02e-13 6.91e-03 0s 6 8.96167368e+05 8.96120313e+05 4.90e-12 7.56e-13 2.01e-03 0s 7 8.96125621e+05 8.96121832e+05 1.30e-10 4.36e-10 1.62e-04 0s 8 8.96123184e+05 8.96122187e+05 3.56e-11 2.17e-12 4.26e-05 0s 9 8.96122679e+05 8.96122283e+05 1.42e-11 1.22e-12 1.69e-05 0s Barrier solved model in 9 iterations and 0.33 seconds Optimal objective 8.96122679e+05