Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:48 2013 Optimize a model with 500 rows, 752 columns and 1000 nonzeros Model has 250 quadratic constraints Presolve time: 0.00s Presolved: 500 rows, 752 columns, 1000 nonzeros Presolved model has 250 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 7.500e+02 Factor NZ : 1.753e+03 Factor Ops : 6.255e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.96405664e+05 0.00000000e+00 4.26e-14 4.43e-01 2.72e+02 0s 1 3.93604044e+04 8.17827331e+03 3.04e-09 4.87e-05 4.16e+01 0s 2 2.98186179e+04 2.36898166e+04 5.23e-09 6.43e-06 8.17e+00 0s 3 2.71922325e+04 2.64983695e+04 8.30e-10 1.76e-06 9.25e-01 0s 4 2.67509412e+04 2.67243533e+04 1.87e-11 1.19e-07 3.55e-02 0s 5 2.67397296e+04 2.67340335e+04 1.56e-13 4.23e-08 7.59e-03 0s 6 2.67395169e+04 2.67376053e+04 4.26e-14 1.43e-08 2.55e-03 0s 7 2.67394125e+04 2.67392057e+04 1.42e-14 1.56e-09 2.76e-04 0s 8 2.67393869e+04 2.67393217e+04 1.42e-14 4.89e-10 8.69e-05 0s 9 2.67393764e+04 2.67393348e+04 4.97e-14 3.56e-10 5.54e-05 0s 10 2.67393759e+04 2.67393426e+04 2.84e-13 2.74e-10 4.44e-05 0s 11 2.67393724e+04 2.67393579e+04 1.07e-13 1.15e-10 1.93e-05 0s Barrier solved model in 11 iterations and 0.02 seconds Optimal objective 2.67393724e+04