Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:44 2013 Optimize a model with 1640 rows, 2462 columns and 3280 nonzeros Model has 820 quadratic constraints Presolve time: 0.00s Presolved: 1640 rows, 2462 columns, 3280 nonzeros Presolved model has 820 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.460e+03 Factor NZ : 5.743e+03 (roughly 2 MBytes of memory) Factor Ops : 2.050e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.91104349e+05 0.00000000e+00 2.84e-14 4.82e-01 2.91e+02 0s 1 1.36342834e+05 2.81328587e+04 3.18e-09 4.92e-05 4.40e+01 0s 2 1.03317981e+05 8.28240044e+04 2.54e-08 8.25e-06 8.33e+00 0s 3 9.42948410e+04 9.22620494e+04 6.60e-09 1.57e-06 8.26e-01 0s 4 9.29741353e+04 9.29377970e+04 2.38e-09 1.18e-07 1.48e-02 0s 5 9.29550578e+04 9.29525231e+04 5.00e-10 8.01e-09 1.03e-03 0s 6 9.29533191e+04 9.29526658e+04 9.90e-10 1.79e-09 2.66e-04 0s 7 9.29529460e+04 9.29527486e+04 3.11e-10 1.98e-13 8.03e-05 0s 8 9.29528676e+04 9.29527649e+04 1.56e-10 4.02e-13 4.17e-05 0s 9 9.29528427e+04 9.29527655e+04 1.11e-10 5.07e-13 3.14e-05 0s Barrier solved model in 9 iterations and 0.03 seconds Optimal objective 9.29528427e+04