Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:43 2012

Optimize a model with 37 rows, 107 columns and 107 nonzeros
Model has 72 quadratic constraints
Presolve removed 0 rows and 2 columns
Presolve time: 0.42s
Presolved: 37 rows, 105 columns, 105 nonzeros
Variable types: 72 continuous, 33 integer (32 binary)

Root relaxation: objective 0.000000e+00, 15 iterations, 0.00 seconds

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

H    0     0                      15.0000000          -     -      -    0s
     0     0    0.00000    0   17   15.00000    0.00000   100%     -    0s
     0     0    0.00000    0    3   15.00000    0.00000   100%     -    0s
     0     0    0.00000    0    3   15.00000    0.00000   100%     -    0s
     0     2    0.00000    0    2   15.00000    0.00000   100%     -    0s
H    8     8                       6.0000000    1.00000  83.3%  22.0    0s
*   15    13              12       5.0000000    1.00000  80.0%  14.3    0s
*   35    10              10       4.0000000    1.66667  58.3%  12.2    0s
*   45     4               4       3.0000000    2.44397  18.5%  10.9    0s

Cutting planes:
  Gomory: 1

Explored 50 nodes (742 simplex iterations) in 0.45 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%