Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:06 2012

Optimize a model with 56 rows, 144 columns and 144 nonzeros
Model has 110 quadratic constraints
Presolve time: 0.64s
Presolved: 56 rows, 144 columns, 144 nonzeros
Variable types: 110 continuous, 34 integer (34 binary)

Root relaxation: objective 0.000000e+00, 17 iterations, 0.00 seconds

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

H    0     0                      30.0000000          -     -      -    0s
     0     0    0.00000    0   22   30.00000    0.00000   100%     -    0s
     0     0    0.16871    0   31   30.00000    0.16871  99.4%     -    0s
     0     2    0.22727    0   31   30.00000    0.22727  99.2%     -    0s
*   20    20              14      14.0000000    1.63710  88.3%  20.4    0s
*   44    32              16      13.0000000    2.83724  78.2%  15.1    0s
*   49    11               5       8.0000000    2.92876  63.4%  15.5    0s

Cutting planes:
  Gomory: 1

Explored 74 nodes (1473 simplex iterations) in 0.69 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%