Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:53:12 2012

Optimize a model with 173 rows, 528 columns and 528 nonzeros
Model has 344 quadratic constraints
Presolve removed 0 rows and 23 columns
Presolve time: 2.01s
Presolved: 173 rows, 505 columns, 505 nonzeros
Variable types: 344 continuous, 161 integer (160 binary)

Root relaxation: objective 0.000000e+00, 61 iterations, 0.00 seconds

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

H    0     0                      92.0000000          -     -      -    2s
     0     0    0.00000    0    3   92.00000    0.00000   100%     -    2s
     0     0    0.00000    0   75   92.00000    0.00000   100%     -    2s
     0     0    0.00000    0   82   92.00000    0.00000   100%     -    2s
     0     2    0.00000    0   82   92.00000    0.00000   100%     -    2s
*   29    29              21       9.0000000    1.08696  87.9%  35.1    2s
H   50    41                       8.0000000    1.26667  84.2%  27.1    2s
*  105    42              20       6.0000000    1.50000  75.0%  21.0    2s

Cutting planes:

Explored 350 nodes (7585 simplex iterations) in 2.26 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%