Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:09 2012

Optimize a model with 43 rows, 124 columns and 124 nonzeros
Model has 84 quadratic constraints
Presolve removed 0 rows and 3 columns
Presolve time: 0.49s
Presolved: 43 rows, 121 columns, 121 nonzeros
Variable types: 84 continuous, 37 integer (36 binary)

Root relaxation: objective 0.000000e+00, 19 iterations, 0.00 seconds

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

H    0     0                      21.0000000          -     -      -    0s
     0     0    0.00000    0   17   21.00000    0.00000   100%     -    0s
     0     0    0.00000    0   24   21.00000    0.00000   100%     -    0s
     0     0    0.00000    0   24   21.00000    0.00000   100%     -    0s
     0     2    0.00000    0   24   21.00000    0.00000   100%     -    0s
*   10    10               8       4.0000000    2.26923  43.3%  19.2    0s

Cutting planes:
  Gomory: 1

Explored 86 nodes (853 simplex iterations) in 0.52 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%