Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:19:14 2012

Optimize a model with 108 rows, 275 columns and 275 nonzeros
Model has 214 quadratic constraints
Presolve time: 1.25s
Presolved: 108 rows, 275 columns, 275 nonzeros
Variable types: 214 continuous, 61 integer (61 binary)

Root relaxation: objective 0.000000e+00, 30 iterations, 0.00 seconds

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

H    0     0                      52.0000000          -     -      -    1s
     0     0    0.00000    0   53   52.00000    0.00000   100%     -    1s
     0     0    0.49675    0   56   52.00000    0.49675  99.0%     -    1s
     0     2    0.72103    0   56   52.00000    0.72103  98.6%     -    1s
*   20    20              13      21.0000000    1.56566  92.5%  34.1    1s
*   22    20              14      20.0000000    1.56566  92.2%  32.0    1s
*   37    28              11      18.0000000    1.66116  90.8%  27.9    1s
H  125    65                      17.0000000    9.07654  46.6%  25.1    1s
*  220    53               8      16.0000000   10.89686  31.9%  23.0    1s

Cutting planes:
  Gomory: 1

Explored 415 nodes (9338 simplex iterations) in 1.50 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.600000000000e+01, best bound 1.600000000000e+01, gap 0.0%