Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:33:26 2012

Optimize a model with 140 rows, 355 columns and 355 nonzeros
Model has 278 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 1.61s
Presolved: 140 rows, 354 columns, 354 nonzeros
Variable types: 278 continuous, 76 integer (75 binary)

Root relaxation: objective 0.000000e+00, 37 iterations, 0.00 seconds

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

H    0     0                      74.0000000          -     -      -    1s
     0     0    0.00000    0   53   74.00000    0.00000   100%     -    1s
     0     0    0.26861    0   73   74.00000    0.26861   100%     -    1s
     0     2    0.30435    0   73   74.00000    0.30435   100%     -    1s
H   48    46                      26.0000000    2.53425  90.3%  25.5    1s
*   49    44              32      25.0000000    2.53425  89.9%  25.1    1s
H  108    74                      24.0000000    3.57143  85.1%  27.2    1s
*  113    72              23      23.0000000    3.57143  84.5%  26.6    1s
*  451   150              11      22.0000000    8.97671  59.2%  28.2    2s

Explored 3097 nodes (67228 simplex iterations) in 4.74 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.200000000000e+01, best bound 2.200000000000e+01, gap 0.0%