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

Optimize a model with 42 rows, 121 columns and 121 nonzeros
Model has 82 quadratic constraints
Presolve removed 0 rows and 6 columns
Presolve time: 0.48s
Presolved: 42 rows, 115 columns, 115 nonzeros
Variable types: 82 continuous, 33 integer (32 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                      23.0000000          -     -      -    0s
     0     0    0.00000    0    2   23.00000    0.00000   100%     -    0s
     0     0    0.00000    0   24   23.00000    0.00000   100%     -    0s
     0     0    0.00000    0   14   23.00000    0.00000   100%     -    0s
     0     2    0.00000    0   14   23.00000    0.00000   100%     -    0s
*   15    15              10       8.0000000    0.69231  91.3%  16.9    0s
*   24     8               6       5.0000000    1.00000  80.0%  12.8    0s
*   34     8               7       4.0000000    1.20000  70.0%  10.4    0s

Cutting planes:

Explored 85 nodes (799 simplex iterations) in 0.50 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%