Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:46:01 2013 Optimize a model with 5200 rows, 7802 columns and 10400 nonzeros Model has 2600 quadratic constraints Presolve time: 0.01s Presolved: 5200 rows, 7802 columns, 10400 nonzeros Presolved model has 2600 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 7.800e+03 Factor NZ : 1.820e+04 (roughly 5 MBytes of memory) Factor Ops : 6.500e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.25976179e+06 0.00000000e+00 2.84e-14 4.93e-01 2.99e+02 0s 1 4.43153509e+05 8.82787365e+04 1.39e-08 5.00e-05 4.55e+01 0s 2 3.32679663e+05 2.64090619e+05 5.61e-08 6.10e-06 8.79e+00 0s 3 3.04494486e+05 2.93821342e+05 8.62e-09 1.46e-06 1.37e+00 0s 4 2.97949126e+05 2.97187287e+05 4.21e-09 1.59e-07 9.77e-02 0s 5 2.97819236e+05 2.97740037e+05 1.58e-09 1.82e-10 1.02e-02 0s 6 2.97747548e+05 2.97741297e+05 1.04e-10 9.26e-14 8.01e-04 0s 7 2.97744666e+05 2.97741350e+05 5.46e-11 1.04e-13 4.25e-04 0s 8 2.97743257e+05 2.97741490e+05 4.49e-10 3.56e-10 2.27e-04 0s 9 2.97742332e+05 2.97741524e+05 2.06e-10 1.97e-11 1.04e-04 0s 10 2.97742074e+05 2.97741526e+05 1.39e-10 1.60e-11 7.02e-05 0s 11 2.97741835e+05 2.97741545e+05 7.27e-11 3.53e-11 3.72e-05 0s Barrier solved model in 11 iterations and 0.12 seconds Optimal objective 2.97741835e+05