Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:53:10 2012

Optimize a model with 176 rows, 534 columns and 534 nonzeros
Model has 350 quadratic constraints
Presolve removed 0 rows and 20 columns
Presolve time: 2.04s
Presolved: 176 rows, 514 columns, 514 nonzeros
Variable types: 350 continuous, 164 integer (163 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    2   87.00000    0.00000   100%     -    2s
     0     0    0.00000    0    2   87.00000    0.00000   100%     -    2s
     0     0    0.00000    0   22   87.00000    0.00000   100%     -    2s
     0     2    0.00000    0   20   87.00000    0.00000   100%     -    2s
H   24    24                       8.0000000    0.59155  92.6%  43.7    2s
H   73    28                       7.0000000    1.42308  79.7%  19.6    2s
*   73    22              15       6.0000000    1.42308  76.3%  19.9    2s
*   76    19              14       5.0000000    1.42308  71.5%  19.6    2s
H  180    23                       5.0000000    3.65116  27.0%  15.9    2s

Cutting planes:

Explored 253 nodes (4664 simplex iterations) in 2.25 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.999999998755e+00, best bound 4.999999998755e+00, gap 0.0%