Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:56 2012

Optimize a model with 28 rows, 76 columns and 76 nonzeros
Model has 54 quadratic constraints
Presolve time: 0.32s
Presolved: 28 rows, 76 columns, 76 nonzeros
Variable types: 54 continuous, 22 integer (22 binary)

Root relaxation: objective 0.000000e+00, 11 iterations, 0.00 seconds

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

H    0     0                      14.0000000          -     -      -    0s
     0     0    0.00000    0    7   14.00000    0.00000   100%     -    0s
     0     0    0.00000    0   17   14.00000    0.00000   100%     -    0s
     0     0    0.00000    0   17   14.00000    0.00000   100%     -    0s
H    0     0                       8.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   15    8.00000    0.00000   100%     -    0s
*    6     6               4       5.0000000    2.00000  60.0%  19.8    0s
*    8     6               5       4.0000000    2.00000  50.0%  16.0    0s

Cutting planes:

Explored 24 nodes (368 simplex iterations) in 0.33 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%