Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:21:33 2012

Optimize a model with 98 rows, 261 columns and 261 nonzeros
Model has 194 quadratic constraints
Presolve removed 0 rows and 2 columns
Presolve time: 1.13s
Presolved: 98 rows, 259 columns, 259 nonzeros
Variable types: 194 continuous, 65 integer (64 binary)

Root relaxation: objective 0.000000e+00, 33 iterations, 0.00 seconds

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

H    0     0                      55.0000000          -     -      -    1s
     0     0    0.00000    0   36   55.00000    0.00000   100%     -    1s
     0     0    0.00000    0   56   55.00000    0.00000   100%     -    1s
     0     0    0.00000    0   53   55.00000    0.00000   100%     -    1s
     0     2    0.00000    0   36   55.00000    0.00000   100%     -    1s
*   23    22              16      14.0000000    3.34286  76.1%  29.0    1s
H   45    29                      13.0000000    3.34615  74.3%  22.8    1s
*   47    25              12      12.0000000    3.34615  72.1%  22.3    1s

Cutting planes:

Explored 422 nodes (6720 simplex iterations) in 1.32 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.200000000000e+01, best bound 1.200000000000e+01, gap 0.0%