Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:52:56 2012

Optimize a model with 174 rows, 530 columns and 530 nonzeros
Model has 346 quadratic constraints
Presolve removed 0 rows and 26 columns
Presolve time: 2.02s
Presolved: 174 rows, 504 columns, 504 nonzeros
Variable types: 346 continuous, 158 integer (157 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                      84.0000000          -     -      -    2s
     0     0    0.00000    0    5   84.00000    0.00000   100%     -    2s
     0     0    0.00000    0    5   84.00000    0.00000   100%     -    2s
     0     0    0.00000    0   61   84.00000    0.00000   100%     -    2s
     0     2    0.00000    0  118   84.00000    0.00000   100%     -    2s
*   31    31              21      10.0000000    1.41489  85.9%  30.9    2s
H   59    32                       9.0000000    1.45985  83.8%  20.5    2s
*   73    40              17       8.0000000    1.45985  81.8%  23.3    2s
H  123    61                       8.0000000    1.56308  80.5%  18.6    2s
*  181    50              11       7.0000000    2.49351  64.4%  18.2    2s

Cutting planes:

Explored 387 nodes (8027 simplex iterations) in 2.32 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%