Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:42 2012

Optimize a model with 47 rows, 137 columns and 137 nonzeros
Model has 92 quadratic constraints
Presolve removed 0 rows and 5 columns
Presolve time: 0.54s
Presolved: 47 rows, 132 columns, 132 nonzeros
Variable types: 92 continuous, 40 integer (39 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                      29.0000000          -     -      -    0s
     0     0    0.00000    0    9   29.00000    0.00000   100%     -    0s
     0     0    0.00000    0   16   29.00000    0.00000   100%     -    0s
     0     0    0.00000    0    2   29.00000    0.00000   100%     -    0s
     0     2    0.00000    0   26   29.00000    0.00000   100%     -    0s
*   16    16              12       9.0000000    1.20988  86.6%  19.8    0s
*   17    15              12       7.0000000    1.20988  82.7%  19.1    0s
*   24    10               5       4.0000000    1.24198  69.0%  15.6    0s

Cutting planes:

Explored 55 nodes (811 simplex iterations) in 0.57 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%