Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:40:29 2012

Optimize a model with 72 rows, 182 columns and 182 nonzeros
Model has 142 quadratic constraints
Presolve time: 0.83s
Presolved: 72 rows, 182 columns, 182 nonzeros
Variable types: 142 continuous, 40 integer (40 binary)

Root relaxation: objective 0.000000e+00, 20 iterations, 0.00 seconds

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

H    0     0                      37.0000000          -     -      -    0s
     0     0    0.00000    0    5   37.00000    0.00000   100%     -    0s
     0     0    0.00000    0   37   37.00000    0.00000   100%     -    0s
     0     0    0.00000    0   32   37.00000    0.00000   100%     -    0s
     0     2    0.00000    0   32   37.00000    0.00000   100%     -    0s
H   16    16                      24.0000000    3.34500  86.1%  33.9    0s
*   29    29              17      16.0000000    3.34500  79.1%  25.8    0s
*   45    28               9      14.0000000    3.42000  75.6%  22.4    0s
*  179    40               7      13.0000000    8.85156  31.9%  16.8    0s

Cutting planes:

Explored 283 nodes (4702 simplex iterations) in 0.93 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.300000000000e+01, best bound 1.300000000000e+01, gap 0.0%