Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:21 2012

Optimize a model with 31 rows, 72 columns and 72 nonzeros
Model has 60 quadratic constraints
Presolve time: 0.35s
Presolved: 31 rows, 72 columns, 72 nonzeros
Variable types: 60 continuous, 12 integer (12 binary)

Root relaxation: objective 0.000000e+00, 6 iterations, 0.00 seconds

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

H    0     0                      17.0000000          -     -      -    0s
     0     0    0.00000    0    7   17.00000    0.00000   100%     -    0s
     0     0    0.11321    0   12   17.00000    0.11321  99.3%     -    0s
     0     2    0.25000    0   12   17.00000    0.25000  98.5%     -    0s
*    9     9               5       9.0000000    3.14869  65.0%  10.7    0s

Cutting planes:
  Gomory: 1

Explored 32 nodes (318 simplex iterations) in 0.36 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%