Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:53:11 2012

Optimize a model with 87 rows, 190 columns and 190 nonzeros
Model has 172 quadratic constraints
Presolve time: 1.00s
Presolved: 87 rows, 190 columns, 190 nonzeros
Variable types: 172 continuous, 18 integer (18 binary)

Root relaxation: objective 0.000000e+00, 9 iterations, 0.00 seconds

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

H    0     0                      39.0000000          -     -      -    1s
     0     0    0.00000    0   16   39.00000    0.00000   100%     -    1s
     0     0    0.42424    0   18   39.00000    0.42424  98.9%     -    1s
     0     2    0.89730    0   18   39.00000    0.89730  97.7%     -    1s
*   31    25              15      38.0000000    5.38095  85.8%  19.1    1s
*   45    35               9      35.0000000    5.42857  84.5%  22.3    1s
H  115    69                      33.0000000    8.18182  75.2%  21.7    1s

Cutting planes:
  Gomory: 1

Explored 634 nodes (11961 simplex iterations) in 1.26 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.300000000055e+01, best bound 3.300000000055e+01, gap 0.0%