Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:47 2012

Optimize a model with 84 rows, 203 columns and 203 nonzeros
Model has 166 quadratic constraints
Presolve time: 0.97s
Presolved: 84 rows, 203 columns, 203 nonzeros
Variable types: 166 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                      44.0000000          -     -      -    0s
     0     0    0.00000    0   22   44.00000    0.00000   100%     -    0s
     0     0    0.05865    0   31   44.00000    0.05865   100%     -    0s
     0     2    0.11923    0   31   44.00000    0.11923   100%     -    0s
*   28    28              18      30.0000000    2.65517  91.1%  20.6    1s
*   31    25              18      29.0000000    2.65517  90.8%  18.9    1s
H   49    33                      19.0000000    3.45714  81.8%  19.9    1s
*  100    43               9      18.0000000    5.00000  72.2%  21.4    1s

Cutting planes:
  Gomory: 2

Explored 535 nodes (10150 simplex iterations) in 1.20 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.800000000000e+01, best bound 1.800000000000e+01, gap 0.0%