Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:30 2012

Optimize a model with 69 rows, 67 columns and 237 nonzeros
Presolve removed 0 rows and 2 columns
Presolve time: 0.00s
Presolved: 69 rows, 65 columns, 235 nonzeros
Variable types: 0 continuous, 65 integer (64 binary)
Found heuristic solution: objective 13.0000000

Root relaxation: objective 0.000000e+00, 46 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   30   13.00000    0.00000   100%     -    0s
H    0     0                       8.0000000    0.00000   100%     -    0s
H    0     0                       3.0000000    0.00000   100%     -    0s
     0     0    0.42326    0   31    3.00000    0.42326  85.9%     -    0s
H    0     0                       2.0000000    0.42326  78.8%     -    0s
     0     0    1.00000    0   30    2.00000    1.00000  50.0%     -    0s
     0     0    1.00000    0    7    2.00000    1.00000  50.0%     -    0s
     0     0    1.00000    0   11    2.00000    1.00000  50.0%     -    0s
     0     0    1.00000    0    9    2.00000    1.00000  50.0%     -    0s
     0     0     cutoff    0         2.00000    1.00000  50.0%     -    0s

Cutting planes:
  Gomory: 2
  Zero half: 3

Explored 0 nodes (195 simplex iterations) in 0.01 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%