Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:41:38 2012

Optimize a model with 171 rows, 513 columns and 513 nonzeros
Model has 340 quadratic constraints
Presolve removed 0 rows and 25 columns
Presolve time: 1.98s
Presolved: 171 rows, 488 columns, 488 nonzeros
Variable types: 340 continuous, 148 integer (147 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                      69.0000000          -     -      -    1s
     0     0    0.00000    0    3   69.00000    0.00000   100%     -    1s
     0     0    0.00000    0    2   69.00000    0.00000   100%     -    1s
     0     0    0.00000    0  111   69.00000    0.00000   100%     -    2s
     0     2    0.00000    0  108   69.00000    0.00000   100%     -    2s
*   31    31              20      14.0000000    1.34375  90.4%  51.7    2s
*   77    46              26       9.0000000    1.58947  82.3%  28.2    2s
*  209    57              16       8.0000000    3.03529  62.1%  19.3    2s
*  287    47              11       7.0000000    3.57895  48.9%  17.7    2s

Cutting planes:

Explored 404 nodes (8436 simplex iterations) in 2.30 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%