Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:54:43 2012

Optimize a model with 179 rows, 543 columns and 543 nonzeros
Model has 356 quadratic constraints
Presolve removed 0 rows and 20 columns
Presolve time: 2.08s
Presolved: 179 rows, 523 columns, 523 nonzeros
Variable types: 356 continuous, 167 integer (166 binary)

Root relaxation: objective 0.000000e+00, 63 iterations, 0.00 seconds

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

H    0     0                      93.0000000          -     -      -    2s
     0     0    0.00000    0    3   93.00000    0.00000   100%     -    2s
     0     0    0.00000    0   21   93.00000    0.00000   100%     -    2s
     0     0    0.00000    0  111   93.00000    0.00000   100%     -    2s
     0     2    0.00000    0  102   93.00000    0.00000   100%     -    2s
H   27    24                       8.0000000    1.15909  85.5%  46.6    2s
H   94    43                       7.0000000    2.33333  66.7%  27.7    2s
*   98    35              16       6.0000000    2.33333  61.1%  28.4    2s

Cutting planes:

Explored 283 nodes (7402 simplex iterations) in 2.36 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%