Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:40 2013 Optimize a model with 80 rows, 122 columns and 160 nonzeros Model has 40 quadratic constraints Presolve time: 0.00s Presolved: 80 rows, 122 columns, 160 nonzeros Presolved model has 40 second-order cone constraints Ordering time: 0.00s Barrier statistics: Free vars : 2 AA' NZ : 1.600e+03 Factor NZ : 2.841e+03 Factor Ops : 1.256e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.00859104e+04 0.00000000e+00 1.42e-13 5.00e-01 2.58e+02 0s 1 6.35448054e+03 1.67609326e+03 1.07e-09 5.59e-05 3.90e+01 0s 2 5.15541115e+03 4.30108289e+03 1.03e-09 1.52e-05 7.12e+00 0s 3 4.77099530e+03 4.70076387e+03 2.57e-10 2.85e-06 5.85e-01 0s 4 4.72845634e+03 4.72687287e+03 6.62e-11 3.17e-07 1.32e-02 0s 5 4.72769713e+03 4.72735576e+03 3.29e-11 6.88e-08 2.84e-03 0s 6 4.72757036e+03 4.72751548e+03 8.51e-12 2.09e-09 4.57e-04 0s 7 4.72755137e+03 4.72751861e+03 4.70e-12 1.33e-09 2.73e-04 0s 8 4.72753734e+03 4.72751876e+03 1.99e-12 1.25e-09 1.55e-04 0s 9 4.72753335e+03 4.72752135e+03 1.29e-12 7.78e-10 1.00e-04 0s 10 4.72753186e+03 4.72752237e+03 9.24e-13 6.21e-10 7.91e-05 0s 11 4.72753003e+03 4.72752388e+03 6.25e-13 3.74e-10 5.12e-05 0s 12 4.72752762e+03 4.72752597e+03 1.71e-13 4.23e-11 1.38e-05 0s Barrier solved model in 12 iterations and 0.01 seconds Optimal objective 4.72752762e+03