Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:37:02 2012

Optimize a model with 161 rows, 488 columns and 488 nonzeros
Model has 320 quadratic constraints
Presolve removed 0 rows and 23 columns
Presolve time: 1.87s
Presolved: 161 rows, 465 columns, 465 nonzeros
Variable types: 320 continuous, 145 integer (144 binary)

Root relaxation: objective 0.000000e+00, 57 iterations, 0.00 seconds

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

H    0     0                      80.0000000          -     -      -    1s
     0     0    0.00000    0    2   80.00000    0.00000   100%     -    1s
     0     0    0.00000    0    3   80.00000    0.00000   100%     -    1s
     0     0    0.00000    0   49   80.00000    0.00000   100%     -    1s
     0     2    0.00000    0   49   80.00000    0.00000   100%     -    1s
H   16    16                      10.0000000    1.30000  87.0%  44.3    1s
*   19    19              16       7.0000000    1.30000  81.4%  38.6    1s
*  138    27               9       6.0000000    3.37333  43.8%  16.0    2s

Cutting planes:

Explored 307 nodes (4893 simplex iterations) in 2.06 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%