Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:23:33 2012

Optimize a model with 277 rows, 209 columns and 899 nonzeros
Presolve time: 0.00s
Presolved: 277 rows, 209 columns, 899 nonzeros
Variable types: 0 continuous, 209 integer (209 binary)
Found heuristic solution: objective 67.0000000

Root relaxation: objective 0.000000e+00, 96 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   70   67.00000    0.00000   100%     -    0s
H    0     0                      57.0000000    0.00000   100%     -    0s
H    0     0                      50.0000000    0.00000   100%     -    0s
H    0     0                      48.0000000    0.00000   100%     -    0s
     0     0    0.77273    0   71   48.00000    0.77273  98.4%     -    0s
H    0     0                      42.0000000    0.77273  98.2%     -    0s
     0     0    1.00000    0   72   42.00000    1.00000  97.6%     -    0s
     0     0    1.00000    0   73   42.00000    1.00000  97.6%     -    0s
     0     0    1.00000    0   70   42.00000    1.00000  97.6%     -    0s
H    0     0                      35.0000000    1.00000  97.1%     -    0s
     0     2    1.00000    0   70   35.00000    1.00000  97.1%     -    0s
H   27    23                      28.0000000    3.47656  87.6%  35.0    0s
H   54    40                      26.0000000    3.56277  86.3%  31.2    0s
*   77    49              14      24.0000000    4.87985  79.7%  30.6    0s

Cutting planes:
  Gomory: 2
  Zero half: 1
  Mod-K: 1

Explored 1221 nodes (30323 simplex iterations) in 0.83 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.400000000000e+01, best bound 2.400000000000e+01, gap 0.0%