Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:47 2013 Optimize a model with 460 rows, 692 columns and 920 nonzeros Model has 230 quadratic constraints Presolve time: 0.00s Presolved: 460 rows, 692 columns, 920 nonzeros Presolved model has 230 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 6.900e+02 Factor NZ : 1.613e+03 Factor Ops : 5.755e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.96774604e+05 0.00000000e+00 2.84e-14 5.04e-01 2.96e+02 0s 1 3.95872100e+04 9.05416118e+03 3.80e-09 5.22e-05 4.43e+01 0s 2 3.24478396e+04 2.56220858e+04 2.71e-08 9.17e-06 9.89e+00 0s 3 2.91780662e+04 2.82585214e+04 1.31e-09 1.77e-06 1.33e+00 0s 4 2.85060868e+04 2.84687302e+04 4.55e-11 5.90e-08 5.41e-02 0s 5 2.84799768e+04 2.84777041e+04 2.99e-11 4.92e-09 3.29e-03 0s 6 2.84786947e+04 2.84782808e+04 6.75e-09 5.71e-09 6.00e-04 0s 7 2.84783779e+04 2.84783295e+04 5.57e-09 9.57e-11 7.01e-05 0s 8 2.84783701e+04 2.84783338e+04 4.49e-09 4.29e-11 5.27e-05 0s 9 2.84783491e+04 2.84783359e+04 1.39e-09 2.34e-11 1.90e-05 0s Barrier solved model in 9 iterations and 0.01 seconds Optimal objective 2.84783491e+04