Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:53:31 2012

Optimize a model with 87 rows, 191 columns and 191 nonzeros
Model has 172 quadratic constraints
Presolve time: 1.00s
Presolved: 87 rows, 191 columns, 191 nonzeros
Variable types: 172 continuous, 19 integer (19 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                      40.0000000          -     -      -    1s
     0     0    0.00000    0   13   40.00000    0.00000   100%     -    1s
     0     0    0.33684    0   19   40.00000    0.33684  99.2%     -    1s
     0     2    0.40000    0   19   40.00000    0.40000  99.0%     -    1s
*   20    18              12      35.0000000    6.00000  82.9%  23.0    1s
*   95    51              13      34.0000000   10.20000  70.0%  21.5    1s
*  124    59              12      33.0000000   13.76923  58.3%  21.1    1s
*  403    41              10      32.0000000   22.69231  29.1%  20.8    1s

Cutting planes:
  Gomory: 1

Explored 509 nodes (10601 simplex iterations) in 1.23 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.200000000000e+01, best bound 3.200000000000e+01, gap 0.0%