Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:25 2013 Optimize a model with 3000 rows, 4502 columns and 6000 nonzeros Model has 1500 quadratic constraints Presolve time: 0.00s Presolved: 3000 rows, 4502 columns, 6000 nonzeros Presolved model has 1500 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 4.500e+03 Factor NZ : 1.050e+04 (roughly 3 MBytes of memory) Factor Ops : 3.750e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.29851076e+06 0.00000000e+00 2.84e-14 4.86e-01 2.99e+02 0s 1 2.58189036e+05 5.21969144e+04 1.26e-08 4.93e-05 4.58e+01 0s 2 1.94547681e+05 1.54460927e+05 1.78e-08 6.09e-06 8.91e+00 0s 3 1.77097245e+05 1.71170164e+05 5.26e-09 9.69e-07 1.32e+00 0s 4 1.73830793e+05 1.73516665e+05 2.34e-09 8.60e-08 6.98e-02 0s 5 1.73727204e+05 1.73705321e+05 3.54e-10 7.93e-09 4.86e-03 0s 6 1.73707382e+05 1.73706097e+05 1.81e-11 7.29e-11 2.86e-04 0s 7 1.73706806e+05 1.73706138e+05 9.66e-12 6.17e-12 1.48e-04 0s 8 1.73706368e+05 1.73706156e+05 3.40e-12 1.02e-11 4.70e-05 0s 9 1.73706243e+05 1.73706170e+05 1.22e-12 1.52e-13 1.62e-05 0s Barrier solved model in 9 iterations and 0.06 seconds Optimal objective 1.73706243e+05