Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:35 2012

Optimize a model with 13 rows, 39 columns and 39 nonzeros
Model has 24 quadratic constraints
Presolve removed 0 rows and 2 columns
Presolve time: 0.14s
Presolved: 13 rows, 37 columns, 37 nonzeros
Variable types: 24 continuous, 13 integer (12 binary)

Root relaxation: objective 0.000000e+00, 7 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   10    8.00000    0.00000   100%     -    0s
H    0     0                       4.0000000    0.00000   100%     -    0s
     0     0    0.07143    0   12    4.00000    0.07143  98.2%     -    0s
     0     2    0.15625    0   12    4.00000    0.15625  96.1%     -    0s
*    2     2               2       2.0000000    0.66667  66.7%   5.5    0s
*    8     0               1       1.0000000    1.00000   0.0%   3.5    0s

Cutting planes:
  Gomory: 1

Explored 9 nodes (149 simplex iterations) in 0.15 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%