Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:03 2012

Optimize a model with 133 rows, 100 columns and 430 nonzeros
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 133 rows, 99 columns, 429 nonzeros
Variable types: 0 continuous, 99 integer (98 binary)
Found heuristic solution: objective 30.0000000

Root relaxation: objective 0.000000e+00, 42 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   32   30.00000    0.00000   100%     -    0s
H    0     0                      26.0000000    0.00000   100%     -    0s
H    0     0                      24.0000000    0.00000   100%     -    0s
H    0     0                      20.0000000    0.00000   100%     -    0s
     0     0    0.46875    0   33   20.00000    0.46875  97.7%     -    0s
     0     0    1.02788    0   35   20.00000    1.02788  94.9%     -    0s
     0     0    1.08216    0   38   20.00000    1.08216  94.6%     -    0s
     0     0    1.08420    0   39   20.00000    1.08420  94.6%     -    0s
     0     0    1.08420    0   39   20.00000    1.08420  94.6%     -    0s
     0     2    1.10636    0   39   20.00000    1.10636  94.5%     -    0s
*   18    18              11      16.0000000    3.37710  78.9%  22.6    0s
*   52    32              12      15.0000000    5.33191  64.5%  17.8    0s
*   88    32               9      14.0000000    7.09864  49.3%  16.1    0s

Cutting planes:
  Gomory: 4
  Zero half: 1

Explored 180 nodes (2457 simplex iterations) in 0.09 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.400000000000e+01, best bound 1.400000000000e+01, gap 0.0%