Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:24:45 2012

Optimize a model with 142 rows, 354 columns and 354 nonzeros
Model has 282 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 1.64s
Presolved: 142 rows, 353 columns, 353 nonzeros
Variable types: 282 continuous, 71 integer (70 binary)

Root relaxation: objective 0.000000e+00, 35 iterations, 0.00 seconds

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

H    0     0                      88.0000000          -     -      -    1s
     0     0    0.00000    0   27   88.00000    0.00000   100%     -    1s
     0     0    0.00000    0   32   88.00000    0.00000   100%     -    1s
     0     0    0.00000    0   32   88.00000    0.00000   100%     -    1s
     0     2    0.00000    0   32   88.00000    0.00000   100%     -    1s
*   26    26              20      26.0000000    2.81818  89.2%  34.9    1s
*   29    24              20      25.0000000    2.81818  88.7%  32.6    1s
* 1231   347              49      24.0000000   12.62500  47.4%  27.1    3s
* 1395   303              38      23.0000000   13.10606  43.0%  25.7    3s
* 2579   295              46      22.0000000   16.95161  22.9%  21.5    4s
  3211    13     cutoff   35        22.00000   20.49559  6.84%  20.7    5s

Explored 3225 nodes (67072 simplex iterations) in 5.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.200000000000e+01, best bound 2.200000000000e+01, gap 0.0%