Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:35:57 2013

Optimize a model with 40 rows, 62 columns and 80 nonzeros
Model has 20 quadratic constraints
Presolve time: 0.00s
Presolved: 40 rows, 62 columns, 80 nonzeros
Presolved model has 20 second-order cone constraints
Ordering time: 0.00s

Barrier statistics:
 Free vars  : 2
 AA' NZ     : 4.000e+02
 Factor NZ  : 7.210e+02
 Factor Ops : 1.610e+04 (less than 1 second per iteration)
 Threads    : 1

                  Objective                Residual
Iter       Primal          Dual         Primal    Dual     Compl     Time
   0   1.77330441e+04  0.00000000e+00  1.14e-13 5.59e-01  3.09e+02     0s
   1   3.33956817e+03  6.64811801e+02  7.83e-10 6.53e-05  4.46e+01     0s
   2   2.52129341e+03  2.07632393e+03  1.31e-09 1.07e-05  7.42e+00     0s
   3   2.32955568e+03  2.27521586e+03  4.11e-10 9.07e-07  9.06e-01     0s
   4   2.28996745e+03  2.28227247e+03  3.97e-11 9.76e-08  1.28e-01     0s
   5   2.28483686e+03  2.28387395e+03  4.28e-12 1.02e-08  1.60e-02     0s
   6   2.28470368e+03  2.28408527e+03  3.30e-12 3.29e-09  1.03e-02     0s
   7   2.28450947e+03  2.28415468e+03  1.89e-12 1.42e-09  5.91e-03     0s
   8   2.28437421e+03  2.28417198e+03  9.38e-13 1.07e-09  3.37e-03     0s
   9   2.28431613e+03  2.28423675e+03  4.83e-13 1.38e-10  1.32e-03     0s
  10   2.28427763e+03  2.28425648e+03  1.42e-13 2.11e-11  3.53e-04     0s
  11   2.28427058e+03  2.28426345e+03  2.80e-09 1.33e-09  1.19e-04     0s
  12   2.28426859e+03  2.28426532e+03  1.66e-09 3.17e-10  5.45e-05     0s
  13   2.28426786e+03  2.28426643e+03  9.68e-10 8.60e-11  2.39e-05     0s

Barrier solved model in 13 iterations and 0.01 seconds
Optimal objective 2.28426786e+03