Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:15:13 2012

Optimize a model with 224 rows, 656 columns and 656 nonzeros
Model has 446 quadratic constraints
Presolve removed 0 rows and 25 columns
Presolve time: 2.60s
Presolved: 224 rows, 631 columns, 631 nonzeros
Variable types: 446 continuous, 185 integer (184 binary)

Root relaxation: objective 0.000000e+00, 79 iterations, 0.00 seconds

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

H    0     0                     102.0000000          -     -      -    2s
     0     0    0.00000    0  104  102.00000    0.00000   100%     -    2s
     0     0    0.00000    0  153  102.00000    0.00000   100%     -    2s
     0     0    0.00000    0  138  102.00000    0.00000   100%     -    2s
     0     2    0.00000    0  138  102.00000    0.00000   100%     -    2s
H   42    40                      15.0000000    1.86486  87.6%  29.4    2s
*   43    36              25      14.0000000    1.86486  86.7%  29.0    2s
*   89    55              15      13.0000000    2.01937  84.5%  28.0    2s

Cutting planes:
  Gomory: 3

Explored 670 nodes (19112 simplex iterations) in 3.35 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.300000000000e+01, best bound 1.300000000000e+01, gap 0.0%