Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:43:52 2012

Optimize a model with 106 rows, 254 columns and 254 nonzeros
Model has 210 quadratic constraints
Presolve time: 1.22s
Presolved: 106 rows, 254 columns, 254 nonzeros
Variable types: 210 continuous, 44 integer (44 binary)

Root relaxation: objective 0.000000e+00, 22 iterations, 0.00 seconds

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

H    0     0                      56.0000000          -     -      -    1s
     0     0    0.00000    0   31   56.00000    0.00000   100%     -    1s
     0     0    0.27882    0   43   56.00000    0.27882   100%     -    1s
     0     2    0.28497    0   43   56.00000    0.28497  99.5%     -    1s
*   29    29              16      27.0000000    5.50000  79.6%  24.8    1s
*   32    28              16      25.0000000    5.50000  78.0%  23.7    1s
H  105    76                      23.0000000    5.90909  74.3%  24.8    1s
*  109    71              16      22.0000000    5.90909  73.1%  24.8    1s

Cutting planes:
  Gomory: 6

Explored 622 nodes (14177 simplex iterations) in 1.62 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.200000000000e+01, best bound 2.200000000000e+01, gap 0.0%