Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:49 2012

Optimize a model with 26 rows, 70 columns and 70 nonzeros
Model has 50 quadratic constraints
Presolve time: 0.29s
Presolved: 26 rows, 70 columns, 70 nonzeros
Variable types: 50 continuous, 20 integer (20 binary)

Root relaxation: objective 0.000000e+00, 10 iterations, 0.00 seconds

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

H    0     0                       8.0000000          -     -      -    0s
     0     0    0.00000    0   14    8.00000    0.00000   100%     -    0s
     0     0    0.01786    0   16    8.00000    0.01786   100%     -    0s
     0     2    0.04286    0   16    8.00000    0.04286  99.5%     -    0s
*    7     7               6       4.0000000    2.25000  43.8%   9.6    0s

Cutting planes:
  Gomory: 2

Explored 22 nodes (265 simplex iterations) in 0.31 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%