Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:25:47 2012

Optimize a model with 118 rows, 307 columns and 307 nonzeros
Model has 234 quadratic constraints
Presolve removed 0 rows and 2 columns
Presolve time: 1.37s
Presolved: 118 rows, 305 columns, 305 nonzeros
Variable types: 234 continuous, 71 integer (70 binary)

Root relaxation: objective 0.000000e+00, 36 iterations, 0.00 seconds

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

H    0     0                      62.0000000          -     -      -    1s
     0     0    0.00000    0   49   62.00000    0.00000   100%     -    1s
     0     0    0.31250    0   64   62.00000    0.31250  99.5%     -    1s
     0     0    0.31250    0   64   62.00000    0.31250  99.5%     -    1s
     0     2    0.31250    0   64   62.00000    0.31250  99.5%     -    1s
*   18    18              13      20.0000000    2.52500  87.4%  21.2    1s
H   75    35                      18.0000000    4.46076  75.2%  23.0    1s
*   75    32              11      17.0000000    4.46076  73.8%  23.1    1s
H   97    47                      16.0000000    4.62975  71.1%  21.8    1s
*  273    33               9      15.0000000   10.00000  33.3%  23.4    1s

Cutting planes:
  Gomory: 2

Explored 334 nodes (8171 simplex iterations) in 1.63 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%