Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:41:52 2012

Optimize a model with 156 rows, 483 columns and 483 nonzeros
Model has 310 quadratic constraints
Presolve removed 0 rows and 24 columns
Presolve time: 1.81s
Presolved: 156 rows, 459 columns, 459 nonzeros
Variable types: 310 continuous, 149 integer (148 binary)

Root relaxation: objective 0.000000e+00, 57 iterations, 0.00 seconds

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

H    0     0                      68.0000000          -     -      -    1s
     0     0    0.00000    0   29   68.00000    0.00000   100%     -    1s
     0     0    0.00000    0   68   68.00000    0.00000   100%     -    1s
     0     0    0.00000    0   68   68.00000    0.00000   100%     -    1s
     0     2    0.00000    0   61   68.00000    0.00000   100%     -    1s
*   23    21              18       6.0000000    0.22222  96.3%  43.9    1s
H   83    45                       5.0000000    0.29559  94.1%  22.6    1s
*  125    20               8       4.0000000    0.43478  89.1%  18.9    1s

Cutting planes:
  Gomory: 1

Explored 203 nodes (5203 simplex iterations) in 2.00 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%