Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:19:28 2012

Optimize a model with 107 rows, 274 columns and 274 nonzeros
Model has 212 quadratic constraints
Presolve time: 1.24s
Presolved: 107 rows, 274 columns, 274 nonzeros
Variable types: 212 continuous, 62 integer (62 binary)

Root relaxation: objective 0.000000e+00, 31 iterations, 0.00 seconds

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

H    0     0                      56.0000000          -     -      -    1s
     0     0    0.00000    0    3   56.00000    0.00000   100%     -    1s
     0     0    0.00000    0   50   56.00000    0.00000   100%     -    1s
     0     0    0.00000    0   48   56.00000    0.00000   100%     -    1s
     0     2    0.00000    0   48   56.00000    0.00000   100%     -    1s
*   25    25              15      20.0000000    3.89474  80.5%  32.2    1s
H   41    34                      18.0000000    3.92857  78.2%  32.2    1s
*  103    60               7      16.0000000    4.13333  74.2%  29.5    1s
*  118    44               6      14.0000000    4.50000  67.9%  30.0    1s

Cutting planes:

Explored 230 nodes (6965 simplex iterations) in 1.40 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.400000000000e+01, best bound 1.400000000000e+01, gap 0.0%