Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:28:57 2012

Optimize a model with 113 rows, 275 columns and 275 nonzeros
Model has 224 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 1.32s
Presolved: 113 rows, 274 columns, 274 nonzeros
Variable types: 224 continuous, 50 integer (49 binary)

Root relaxation: objective 0.000000e+00, 25 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    6   54.00000    0.00000   100%     -    1s
     0     0    0.00000    0   46   54.00000    0.00000   100%     -    1s
     0     0    0.00000    0   40   54.00000    0.00000   100%     -    1s
     0     2    0.00000    0   40   54.00000    0.00000   100%     -    1s
*   36    33              19      23.0000000    4.00000  82.6%  29.0    1s
*   61    49              16      22.0000000    4.00000  81.8%  26.9    1s
*  777    96              11      21.0000000   15.80778  24.7%  24.1    1s

Cutting planes:

Explored 1039 nodes (24406 simplex iterations) in 1.90 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.100000000000e+01, best bound 2.100000000000e+01, gap 0.0%