Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:20:54 2012

Optimize a model with 138 rows, 340 columns and 340 nonzeros
Model has 274 quadratic constraints
Presolve time: 1.60s
Presolved: 138 rows, 340 columns, 340 nonzeros
Variable types: 274 continuous, 66 integer (66 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                      66.0000000          -     -      -    1s
     0     0    0.00000    0    2   66.00000    0.00000   100%     -    1s
     0     0    0.00000    0   56   66.00000    0.00000   100%     -    1s
     0     0    0.00000    0   50   66.00000    0.00000   100%     -    1s
     0     2    0.00000    0   50   66.00000    0.00000   100%     -    1s
H   45    45                      33.0000000    4.42857  86.6%  28.5    1s
*   79    62              15      29.0000000    5.00000  82.8%  25.5    1s
H  106    79                      26.0000000    5.75000  77.9%  28.5    1s
* 1667   325              44      25.0000000   15.91304  36.3%  26.4    4s
  2407   309   20.57143   44  198   25.00000   19.00000  24.0%  23.6    5s

Explored 3230 nodes (69866 simplex iterations) in 5.64 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.500000000000e+01, best bound 2.500000000000e+01, gap 0.0%