Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:27:26 2012

Optimize a model with 144 rows, 438 columns and 438 nonzeros
Model has 286 quadratic constraints
Presolve removed 0 rows and 20 columns
Presolve time: 1.67s
Presolved: 144 rows, 418 columns, 418 nonzeros
Variable types: 286 continuous, 132 integer (131 binary)

Root relaxation: objective 0.000000e+00, 53 iterations, 0.00 seconds

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

H    0     0                      67.0000000          -     -      -    1s
     0     0    0.00000    0   72   67.00000    0.00000   100%     -    1s
     0     0    0.00000    0   85   67.00000    0.00000   100%     -    1s
     0     0    0.00000    0   84   67.00000    0.00000   100%     -    1s
     0     2    0.00000    0   84   67.00000    0.00000   100%     -    1s
H   27    27                       9.0000000    1.63636  81.8%  35.3    1s
*   52    38              34       8.0000000    1.63636  79.5%  22.1    1s
*   65    21               8       6.0000000    1.66667  72.2%  20.0    1s

Cutting planes:
  Gomory: 1

Explored 339 nodes (5448 simplex iterations) in 1.86 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%