Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:24:53 2012

Optimize a model with 223 rows, 255 columns and 810 nonzeros
Presolve removed 0 rows and 31 columns
Presolve time: 0.00s
Presolved: 223 rows, 224 columns, 779 nonzeros
Variable types: 0 continuous, 224 integer (223 binary)
Found heuristic solution: objective 30.0000000

Root relaxation: objective 0.000000e+00, 142 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   88   30.00000    0.00000   100%     -    0s
H    0     0                      21.0000000    0.00000   100%     -    0s
H    0     0                      20.0000000    0.00000   100%     -    0s
H    0     0                      14.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   90   14.00000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   91   12.00000    0.00000   100%     -    0s
     0     0    0.00000    0   88   12.00000    0.00000   100%     -    0s
H    0     0                       4.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   88    4.00000    0.00000   100%     -    0s
H   27    12                       3.0000000    0.75294  74.9%  15.5    0s
*   39     8              11       2.0000000    1.00000  50.0%  14.5    0s

Cutting planes:
  Gomory: 1

Explored 48 nodes (1536 simplex iterations) in 0.11 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%