Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:36:58 2012

Optimize a model with 161 rows, 488 columns and 488 nonzeros
Model has 320 quadratic constraints
Presolve removed 0 rows and 25 columns
Presolve time: 1.87s
Presolved: 161 rows, 463 columns, 463 nonzeros
Variable types: 320 continuous, 143 integer (142 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                      85.0000000          -     -      -    1s
     0     0    0.00000    0   13   85.00000    0.00000   100%     -    1s
     0     0    0.00000    0   91   85.00000    0.00000   100%     -    1s
     0     0    0.00000    0   90   85.00000    0.00000   100%     -    1s
     0     2    0.00000    0   88   85.00000    0.00000   100%     -    1s
*   28    28              20      10.0000000    1.56522  84.3%  38.5    1s
H   88    50                       9.0000000    2.08511  76.8%  20.8    2s
*  165    51              13       8.0000000    2.67925  66.5%  17.7    2s
*  178    41              11       7.0000000    2.81333  59.8%  17.3    2s

Cutting planes:

Explored 383 nodes (8060 simplex iterations) in 2.17 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%