Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:23:16 2012

Optimize a model with 135 rows, 338 columns and 338 nonzeros
Model has 268 quadratic constraints
Presolve time: 1.56s
Presolved: 135 rows, 338 columns, 338 nonzeros
Variable types: 268 continuous, 70 integer (70 binary)

Root relaxation: objective 0.000000e+00, 35 iterations, 0.00 seconds

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

H    0     0                      66.0000000          -     -      -    1s
     0     0    0.00000    0   62   66.00000    0.00000   100%     -    1s
     0     0    0.48214    0   70   66.00000    0.48214  99.3%     -    1s
     0     0    0.48214    0   70   66.00000    0.48214  99.3%     -    1s
     0     2    0.48214    0   70   66.00000    0.48214  99.3%     -    1s
*   33    33              17      29.0000000    3.70000  87.2%  31.4    1s
*   35    33              18      28.0000000    3.70000  86.8%  29.9    1s
*  216   108              18      27.0000000    9.10526  66.3%  29.7    1s
*  278    97              13      23.0000000    9.54545  58.5%  29.0    1s

Cutting planes:
  Gomory: 2

Explored 1479 nodes (36738 simplex iterations) in 2.54 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.300000000000e+01, best bound 2.300000000000e+01, gap 0.0%