Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:50 2012

Optimize a model with 20 rows, 58 columns and 58 nonzeros
Model has 38 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 0.22s
Presolved: 20 rows, 57 columns, 57 nonzeros
Variable types: 38 continuous, 19 integer (18 binary)

Root relaxation: objective 0.000000e+00, 9 iterations, 0.00 seconds

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

H    0     0                       9.0000000          -     -      -    0s
     0     0    0.00000    0    5    9.00000    0.00000   100%     -    0s
     0     0    0.00000    0    6    9.00000    0.00000   100%     -    0s
     0     0    0.00000    0    3    9.00000    0.00000   100%     -    0s
     0     2    0.00000    0    3    9.00000    0.00000   100%     -    0s
H    8     8                       4.0000000    0.00000   100%  16.8    0s
*   12     8               7       3.0000000    0.00000   100%  12.2    0s
*   17     4               4       2.0000000    0.85714  57.1%  11.7    0s

Cutting planes:
  Gomory: 1

Explored 29 nodes (385 simplex iterations) in 0.24 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%