Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:18:55 2012

Optimize a model with 80 rows, 218 columns and 218 nonzeros
Model has 158 quadratic constraints
Presolve removed 0 rows and 2 columns
Presolve time: 0.93s
Presolved: 80 rows, 216 columns, 216 nonzeros
Variable types: 158 continuous, 58 integer (57 binary)

Root relaxation: objective 0.000000e+00, 28 iterations, 0.00 seconds

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

H    0     0                      40.0000000          -     -      -    0s
     0     0    0.00000    0   14   40.00000    0.00000   100%     -    0s
     0     0    0.00000    0   15   40.00000    0.00000   100%     -    0s
     0     0    0.00000    0   15   40.00000    0.00000   100%     -    0s
     0     2    0.00000    0   49   40.00000    0.00000   100%     -    0s
H   27    25                      13.0000000    2.15999  83.4%  27.4    0s
H   42    26                      10.0000000    2.29167  77.1%  21.2    0s
*  143    31               8       9.0000000    5.66667  37.0%  19.1    1s

Cutting planes:

Explored 214 nodes (4007 simplex iterations) in 1.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%