Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:40:37 2012

Optimize a model with 100 rows, 238 columns and 238 nonzeros
Model has 198 quadratic constraints
Presolve time: 1.16s
Presolved: 100 rows, 238 columns, 238 nonzeros
Variable types: 198 continuous, 40 integer (40 binary)

Root relaxation: objective 0.000000e+00, 20 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   21   54.00000    0.00000   100%     -    1s
     0     0    0.05000    0   40   54.00000    0.05000   100%     -    1s
     0     2    0.10000    0   40   54.00000    0.10000   100%     -    1s
H    8     8                      47.0000000    4.20000  91.1%  51.2    1s
H   27    27                      26.0000000    4.20000  83.8%  32.1    1s
*  165    76               9      24.0000000   11.72727  51.1%  24.9    1s
*  226    72              11      23.0000000   14.09091  38.7%  24.5    1s

Cutting planes:
  Gomory: 1

Explored 461 nodes (10289 simplex iterations) in 1.39 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%