Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:43:15 2012

Optimize a model with 143 rows, 364 columns and 364 nonzeros
Model has 284 quadratic constraints
Presolve time: 1.66s
Presolved: 143 rows, 364 columns, 364 nonzeros
Variable types: 284 continuous, 80 integer (80 binary)

Root relaxation: objective 0.000000e+00, 40 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   54   74.00000    0.00000   100%     -    1s
     0     0    0.31944    0   72   74.00000    0.31944   100%     -    1s
     0     0    0.31944    0   72   74.00000    0.31944   100%     -    1s
     0     2    0.31944    0   72   74.00000    0.31944   100%     -    1s
*   30    30              19      27.0000000    2.37590  91.2%  35.2    1s
*   80    57              26      26.0000000    2.41667  90.7%  24.2    1s
H  107    66                      23.0000000    3.94444  82.9%  24.4    1s
*  178   105              15      22.0000000    4.41228  79.9%  30.2    1s
H  763   208                      21.0000000   11.30652  46.2%  31.6    2s
* 1025   142              29      20.0000000   13.60000  32.0%  28.7    3s

Explored 1250 nodes (34517 simplex iterations) in 3.32 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+01, best bound 2.000000000000e+01, gap 0.0%