Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:10 2012

Optimize a model with 16 rows, 39 columns and 39 nonzeros
Model has 30 quadratic constraints
Presolve time: 0.18s
Presolved: 16 rows, 39 columns, 39 nonzeros
Variable types: 30 continuous, 9 integer (9 binary)

Root relaxation: objective 0.000000e+00, 4 iterations, 0.00 seconds

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

H    0     0                       4.0000000          -     -      -    0s
     0     0    0.00000    0    4    4.00000    0.00000   100%     -    0s
     0     0    0.00000    0    8    4.00000    0.00000   100%     -    0s
     0     0    0.00000    0    8    4.00000    0.00000   100%     -    0s
     0     2    0.09091    0    8    4.00000    0.09091  97.7%     -    0s

Cutting planes:
  Gomory: 1

Explored 15 nodes (167 simplex iterations) in 0.19 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000068e+00, best bound 4.000000000068e+00, gap 0.0%