Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:07 2012

Optimize a model with 67 rows, 185 columns and 185 nonzeros
Model has 132 quadratic constraints
Presolve removed 0 rows and 2 columns
Presolve time: 0.77s
Presolved: 67 rows, 183 columns, 183 nonzeros
Variable types: 132 continuous, 51 integer (50 binary)

Root relaxation: objective 0.000000e+00, 24 iterations, 0.00 seconds

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

H    0     0                      37.0000000          -     -      -    0s
     0     0    0.00000    0   14   37.00000    0.00000   100%     -    0s
     0     0    0.00000    0   38   37.00000    0.00000   100%     -    0s
     0     0    0.00000    0    4   37.00000    0.00000   100%     -    0s
     0     2    0.00000    0   45   37.00000    0.00000   100%     -    0s
H   24    20                       6.0000000    2.75000  54.2%  19.9    0s
*   26    15              16       5.0000000    2.75000  45.0%  19.2    0s
*   43     4               4       4.0000000    3.22222  19.4%  14.6    0s

Cutting planes:
  Gomory: 1

Explored 48 nodes (1217 simplex iterations) in 0.81 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%