Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:04 2012

Optimize a model with 27 rows, 76 columns and 76 nonzeros
Model has 52 quadratic constraints
Presolve removed 0 rows and 2 columns
Presolve time: 0.30s
Presolved: 27 rows, 74 columns, 74 nonzeros
Variable types: 52 continuous, 22 integer (21 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                      12.0000000          -     -      -    0s
     0     0    0.00000    0   10   12.00000    0.00000   100%     -    0s
     0     0    0.00000    0   14   12.00000    0.00000   100%     -    0s
     0     0    0.00000    0   14   12.00000    0.00000   100%     -    0s
     0     2    0.47368    0   21   12.00000    0.47368  96.1%     -    0s
*    6     6               5       4.0000000    0.47368  88.2%  15.2    0s

Cutting planes:
  Gomory: 2

Explored 54 nodes (505 simplex iterations) in 0.32 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%