Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:11 2012

Optimize a model with 38 rows, 100 columns and 100 nonzeros
Model has 74 quadratic constraints
Presolve time: 0.43s
Presolved: 38 rows, 100 columns, 100 nonzeros
Variable types: 74 continuous, 26 integer (26 binary)

Root relaxation: objective 0.000000e+00, 13 iterations, 0.00 seconds

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

H    0     0                      20.0000000          -     -      -    0s
     0     0    0.00000    0    4   20.00000    0.00000   100%     -    0s
     0     0    0.00000    0   12   20.00000    0.00000   100%     -    0s
     0     0    0.00000    0   12   20.00000    0.00000   100%     -    0s
     0     2    0.00000    0   12   20.00000    0.00000   100%     -    0s
*    3     3               2       4.0000000    1.92308  51.9%  36.7    0s

Cutting planes:
  Gomory: 1

Explored 9 nodes (348 simplex iterations) in 0.45 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%