Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:51:19 2012

Optimize a model with 196 rows, 570 columns and 570 nonzeros
Model has 390 quadratic constraints
Presolve removed 0 rows and 19 columns
Presolve time: 2.28s
Presolved: 196 rows, 551 columns, 551 nonzeros
Variable types: 390 continuous, 161 integer (160 binary)

Root relaxation: objective 0.000000e+00, 69 iterations, 0.00 seconds

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

H    0     0                     103.0000000          -     -      -    2s
     0     0    0.00000    0    4  103.00000    0.00000   100%     -    2s
     0     0    0.00000    0    2  103.00000    0.00000   100%     -    2s
     0     0    0.00000    0   75  103.00000    0.00000   100%     -    2s
     0     2    0.00000    0   72  103.00000    0.00000   100%     -    2s
H   41    39                      20.0000000    2.36667  88.2%  29.0    2s
H   72    38                      16.0000000    2.48000  84.5%  21.0    2s
*   79    39              20      14.0000000    2.48000  82.3%  22.9    2s
* 1116   152              25      13.0000000    7.67647  41.0%  27.3    4s
  1353   149     cutoff   17        13.00000    8.48889  34.7%  30.1    5s

Explored 2428 nodes (75447 simplex iterations) in 6.67 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.300000000000e+01, best bound 1.300000000000e+01, gap 0.0%