Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:50:03 2012

Optimize a model with 175 rows, 526 columns and 526 nonzeros
Model has 348 quadratic constraints
Presolve removed 0 rows and 17 columns
Presolve time: 2.03s
Presolved: 175 rows, 509 columns, 509 nonzeros
Variable types: 348 continuous, 161 integer (160 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                      87.0000000          -     -      -    2s
     0     0    0.00000    0   12   87.00000    0.00000   100%     -    2s
     0     0    0.00000    0   73   87.00000    0.00000   100%     -    2s
     0     0    0.00000    0  105   87.00000    0.00000   100%     -    2s
     0     2    0.00000    0  105   87.00000    0.00000   100%     -    2s
*   32    32              18       8.0000000    1.79688  77.5%  35.7    2s
H  258    44                       8.0000000    5.59259  30.1%  27.1    2s
*  259    26              13       7.0000000    5.59259  20.1%  27.3    2s

Cutting planes:

Explored 303 nodes (9073 simplex iterations) in 2.35 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%