Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:44 2012

Optimize a model with 25 rows, 66 columns and 66 nonzeros
Model has 48 quadratic constraints
Presolve time: 0.28s
Presolved: 25 rows, 66 columns, 66 nonzeros
Variable types: 48 continuous, 18 integer (18 binary)

Root relaxation: objective 0.000000e+00, 9 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

H    0     0                      13.0000000          -     -      -    0s
     0     0    0.00000    0   10   13.00000    0.00000   100%     -    0s
     0     0    0.00000    0   16   13.00000    0.00000   100%     -    0s
     0     0    0.00000    0   16   13.00000    0.00000   100%     -    0s
     0     2    0.00000    0   16   13.00000    0.00000   100%     -    0s
*   10    10               9       6.0000000    2.18182  63.6%   8.1    0s
*   13     9              10       5.0000000    2.18182  56.4%   6.5    0s
*   47     2               4       4.0000000    3.63636  9.09%   4.8    0s

Cutting planes:
  Gomory: 2

Explored 50 nodes (397 simplex iterations) in 0.30 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%