Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:12:01 2012

Optimize a model with 211 rows, 628 columns and 628 nonzeros
Model has 420 quadratic constraints
Presolve removed 0 rows and 25 columns
Presolve time: 2.45s
Presolved: 211 rows, 603 columns, 603 nonzeros
Variable types: 420 continuous, 183 integer (182 binary)

Root relaxation: objective 0.000000e+00, 75 iterations, 0.00 seconds

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

H    0     0                      99.0000000          -     -      -    2s
     0     0    0.00000    0   30   99.00000    0.00000   100%     -    2s
     0     0    0.00000    0    5   99.00000    0.00000   100%     -    2s
     0     0    0.00000    0  116   99.00000    0.00000   100%     -    2s
     0     2    0.00000    0  114   99.00000    0.00000   100%     -    2s
*   14    14              11      10.0000000    0.87244  91.3%  81.2    2s
H  126    62                      10.0000000    2.85714  71.4%  22.5    2s
*  136    48              16       9.0000000    2.85714  68.3%  25.8    2s
*  184    39               7       8.0000000    3.46154  56.7%  25.2    2s
H  193    42                       8.0000000    3.95833  50.5%  25.1    2s
*  196    36              13       7.0000000    3.95833  43.5%  25.3    2s

Cutting planes:

Explored 260 nodes (8019 simplex iterations) in 2.83 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%