Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:21:52 2012

Optimize a model with 223 rows, 179 columns and 734 nonzeros
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 223 rows, 178 columns, 733 nonzeros
Variable types: 0 continuous, 178 integer (177 binary)
Found heuristic solution: objective 33.0000000

Root relaxation: objective 0.000000e+00, 108 iterations, 0.00 seconds

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

     0     0    0.00000    0   66   33.00000    0.00000   100%     -    0s
H    0     0                      31.0000000    0.00000   100%     -    0s
     0     0    0.48485    0   67   31.00000    0.48485  98.4%     -    0s
H    0     0                      27.0000000    0.48485  98.2%     -    0s
     0     0    1.04318    0   69   27.00000    1.04318  96.1%     -    0s
H    0     0                      24.0000000    1.04318  95.7%     -    0s
H    0     0                      22.0000000    1.04318  95.3%     -    0s
     0     0    1.14841    0   71   22.00000    1.14841  94.8%     -    0s
     0     0    1.15074    0   71   22.00000    1.15074  94.8%     -    0s
     0     0    1.15074    0   71   22.00000    1.15074  94.8%     -    0s
     0     2    1.15487    0   71   22.00000    1.15487  94.8%     -    0s
*   30    25              18      21.0000000    2.97693  85.8%  34.3    0s
*   53    39              18      19.0000000    3.03296  84.0%  30.3    0s
*   77    40              14      18.0000000    5.43350  69.8%  28.4    0s
*  106    50              12      17.0000000    5.55348  67.3%  26.2    0s
*  561     7               9      16.0000000   14.92157  6.74%  19.2    0s

Cutting planes:
  Gomory: 4
  Mod-K: 2

Explored 569 nodes (11332 simplex iterations) in 0.40 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.600000000000e+01, best bound 1.600000000000e+01, gap 0.0%