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

Optimize a model with 55 rows, 60 columns and 195 nonzeros
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 55 rows, 57 columns, 192 nonzeros
Variable types: 0 continuous, 57 integer (56 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 0.000000e+00, 47 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   25    8.00000    0.00000   100%     -    0s
H    0     0                       5.0000000    0.00000   100%     -    0s
H    0     0                       4.0000000    0.00000   100%     -    0s
     0     0    0.23151    0   27    4.00000    0.23151  94.2%     -    0s
H    0     0                       2.0000000    0.23151  88.4%     -    0s
     0     0    0.79350    0   31    2.00000    0.79350  60.3%     -    0s
H    0     0                       1.0000000    0.79350  20.6%     -    0s

Cutting planes:
  Gomory: 4
  Zero half: 1

Explored 0 nodes (129 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%