Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:21:10 2012

Optimize a model with 125 rows, 314 columns and 314 nonzeros
Model has 248 quadratic constraints
Presolve time: 1.45s
Presolved: 125 rows, 314 columns, 314 nonzeros
Variable types: 248 continuous, 66 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                      68.0000000          -     -      -    1s
     0     0    0.00000    0    2   68.00000    0.00000   100%     -    1s
     0     0    0.00000    0    2   68.00000    0.00000   100%     -    1s
     0     0    0.00000    0   61   68.00000    0.00000   100%     -    1s
     0     2    0.00000    0   61   68.00000    0.00000   100%     -    1s
H   27    27                      29.0000000    4.08511  85.9%  37.5    1s
*   38    38              22      25.0000000    4.08511  83.7%  29.9    1s
H   64    45                      23.0000000    4.12500  82.1%  25.9    1s
*   64    39              14      22.0000000    4.12500  81.2%  25.9    1s
H  145    77                      20.0000000    6.50000  67.5%  31.3    1s

Cutting planes:

Explored 644 nodes (18785 simplex iterations) in 1.91 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000006e+01, best bound 2.000000000006e+01, gap 0.0%