Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:54 2012

Optimize a model with 57 rows, 129 columns and 129 nonzeros
Model has 112 quadratic constraints
Presolve time: 0.65s
Presolved: 57 rows, 129 columns, 129 nonzeros
Variable types: 112 continuous, 17 integer (17 binary)

Root relaxation: objective 0.000000e+00, 8 iterations, 0.00 seconds

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

H    0     0                      35.0000000          -     -      -    0s
     0     0    0.00000    0   14   35.00000    0.00000   100%     -    0s
     0     0    0.54118    0   17   35.00000    0.54118  98.5%     -    0s
     0     2    0.56000    0   17   35.00000    0.56000  98.4%     -    0s
*   16    16              10      20.0000000    5.46667  72.7%  20.9    0s
*   20    14              10      19.0000000    5.46667  71.2%  18.0    0s
H  184     2                      18.0000000   16.87464  6.25%  13.3    0s

Cutting planes:
  Gomory: 1

Explored 188 nodes (2605 simplex iterations) in 0.72 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.800000000032e+01, best bound 1.800000000032e+01, gap 0.0%