Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:13:23 2012

Optimize a model with 101 rows, 258 columns and 258 nonzeros
Model has 200 quadratic constraints
Presolve time: 1.17s
Presolved: 101 rows, 258 columns, 258 nonzeros
Variable types: 200 continuous, 58 integer (58 binary)

Root relaxation: objective 0.000000e+00, 29 iterations, 0.00 seconds

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

H    0     0                      54.0000000          -     -      -    1s
     0     0    0.00000    0   30   54.00000    0.00000   100%     -    1s
     0     0    0.00000    0   31   54.00000    0.00000   100%     -    1s
     0     0    0.00000    0   31   54.00000    0.00000   100%     -    1s
     0     2    0.00000    0   31   54.00000    0.00000   100%     -    1s
*   23    21              16      18.0000000    2.51724  86.0%  33.5    1s
*   88    49              13      17.0000000    5.00000  70.6%  22.8    1s
*  109    53              12      16.0000000    6.37838  60.1%  21.9    1s
*  290    54               8      15.0000000   10.00000  33.3%  19.1    1s

Cutting planes:
  Gomory: 1

Explored 449 nodes (9008 simplex iterations) in 1.39 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%