Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:41 2012

Optimize a model with 71 rows, 177 columns and 177 nonzeros
Model has 140 quadratic constraints
Presolve time: 0.83s
Presolved: 71 rows, 177 columns, 177 nonzeros
Variable types: 140 continuous, 37 integer (37 binary)

Root relaxation: objective 0.000000e+00, 18 iterations, 0.00 seconds

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

H    0     0                      39.0000000          -     -      -    0s
     0     0    0.00000    0   16   39.00000    0.00000   100%     -    0s
     0     0    0.00000    0   25   39.00000    0.00000   100%     -    0s
     0     0    0.00000    0   23   39.00000    0.00000   100%     -    0s
     0     2    0.00000    0   23   39.00000    0.00000   100%     -    0s
*   12    12               9      18.0000000    5.00000  72.2%  35.6    0s
*   61    35              13      16.0000000    6.00000  62.5%  17.8    0s
H   81    24                      15.0000000    7.19231  52.1%  18.4    0s

Cutting planes:
  Gomory: 1

Explored 233 nodes (3372 simplex iterations) in 0.92 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.500000000000e+01, best bound 1.500000000000e+01, gap 0.0%