Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:36 2012

Optimize a model with 57 rows, 156 columns and 156 nonzeros
Model has 112 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 0.65s
Presolved: 57 rows, 155 columns, 155 nonzeros
Variable types: 112 continuous, 43 integer (42 binary)

Root relaxation: objective 0.000000e+00, 22 iterations, 0.00 seconds

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

H    0     0                      25.0000000          -     -      -    0s
     0     0    0.00000    0    2   25.00000    0.00000   100%     -    0s
     0     0    0.00000    0   30   25.00000    0.00000   100%     -    0s
     0     0    0.00000    0   30   25.00000    0.00000   100%     -    0s
     0     2    0.00000    0   29   25.00000    0.00000   100%     -    0s
*   12    12              10       8.0000000    1.57143  80.4%  25.8    0s
*   24    10               4       6.0000000    1.58333  73.6%  18.3    0s

Cutting planes:

Explored 83 nodes (1565 simplex iterations) in 0.69 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%