Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:22:14 2012

Optimize a model with 130 rows, 326 columns and 326 nonzeros
Model has 258 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 1.50s
Presolved: 130 rows, 325 columns, 325 nonzeros
Variable types: 258 continuous, 67 integer (66 binary)

Root relaxation: objective 0.000000e+00, 33 iterations, 0.00 seconds

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

H    0     0                      76.0000000          -     -      -    1s
     0     0    0.00000    0   17   76.00000    0.00000   100%     -    1s
     0     0    0.00000    0   62   76.00000    0.00000   100%     -    1s
     0     0    0.00000    0   59   76.00000    0.00000   100%     -    1s
     0     2    0.00000    0   58   76.00000    0.00000   100%     -    1s
*   39    39              20      27.0000000    6.66632  75.3%  29.8    1s
H   62    49                      26.0000000    6.67742  74.3%  29.5    1s
H  137    60                      23.0000000    6.88889  70.0%  29.8    1s

Cutting planes:

Explored 551 nodes (16481 simplex iterations) in 1.96 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.300000000017e+01, best bound 2.300000000017e+01, gap 0.0%