Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:28 2012

Optimize a model with 104 rows, 261 columns and 261 nonzeros
Model has 206 quadratic constraints
Presolve time: 1.20s
Presolved: 104 rows, 261 columns, 261 nonzeros
Variable types: 206 continuous, 55 integer (55 binary)

Root relaxation: objective 0.000000e+00, 27 iterations, 0.00 seconds

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

H    0     0                      49.0000000          -     -      -    1s
     0     0    0.00000    0   45   49.00000    0.00000   100%     -    1s
     0     0    0.38370    0   52   49.00000    0.38370  99.2%     -    1s
     0     2    0.38988    0   52   49.00000    0.38988  99.2%     -    1s
*   31    31              21      20.0000000    2.00000  90.0%  22.6    1s
*  100    44              10      17.0000000    3.20664  81.1%  19.2    1s
*  161    50               8      15.0000000    3.53197  76.5%  21.5    1s

Cutting planes:
  Gomory: 1

Explored 628 nodes (14736 simplex iterations) in 1.56 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.500000000000e+01, best bound 1.500000000000e+01, gap 0.0%