Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:56 2013 Optimize a model with 780 rows, 1172 columns and 1560 nonzeros Model has 390 quadratic constraints Presolve time: 0.00s Presolved: 780 rows, 1172 columns, 1560 nonzeros Presolved model has 390 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.170e+03 Factor NZ : 2.733e+03 Factor Ops : 9.755e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.30938268e+05 0.00000000e+00 2.84e-14 4.93e-01 2.93e+02 0s 1 6.78528656e+04 1.44081137e+04 1.72e-09 5.05e-05 4.57e+01 0s 2 5.15150007e+04 4.09776600e+04 1.75e-08 6.64e-06 9.01e+00 0s 3 4.69094596e+04 4.60751515e+04 9.19e-10 3.73e-07 7.13e-01 0s 4 4.62062482e+04 4.61695096e+04 2.56e-11 4.59e-08 3.14e-02 0s 5 4.61846494e+04 4.61826765e+04 3.84e-13 4.60e-09 1.69e-03 0s 6 4.61841232e+04 4.61838325e+04 5.68e-14 7.52e-10 2.48e-04 0s 7 4.61840766e+04 4.61839539e+04 3.05e-09 1.06e-09 1.05e-04 0s 8 4.61840545e+04 4.61840063e+04 8.01e-10 4.59e-10 4.11e-05 0s 9 4.61840512e+04 4.61840108e+04 4.94e-10 4.05e-10 3.45e-05 0s Barrier solved model in 9 iterations and 0.02 seconds Optimal objective 4.61840512e+04