Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:21 2012

Optimize a model with 89 rows, 230 columns and 230 nonzeros
Model has 176 quadratic constraints
Presolve time: 1.03s
Presolved: 89 rows, 230 columns, 230 nonzeros
Variable types: 176 continuous, 54 integer (54 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                      38.0000000          -     -      -    1s
     0     0    0.00000    0   16   38.00000    0.00000   100%     -    1s
     0     0    0.00000    0    6   38.00000    0.00000   100%     -    1s
     0     0    0.00000    0   48   38.00000    0.00000   100%     -    1s
     0     2    0.00000    0   45   38.00000    0.00000   100%     -    1s
*   31    29              17      17.0000000    3.26395  80.8%  26.3    1s
*   59    40              15      15.0000000    3.33594  77.8%  20.7    1s
*   74    41              10      14.0000000    3.71443  73.5%  22.5    1s
*  177    44              12      12.0000000    6.08817  49.3%  20.1    1s

Cutting planes:

Explored 314 nodes (6866 simplex iterations) in 1.19 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%