Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:00 2012

Optimize a model with 37 rows, 41 columns and 131 nonzeros
Presolve removed 0 rows and 2 columns
Presolve time: 0.00s
Presolved: 37 rows, 39 columns, 129 nonzeros
Variable types: 0 continuous, 39 integer (38 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 0.000000e+00, 30 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   18    6.00000    0.00000   100%     -    0s
H    0     0                       4.0000000    0.00000   100%     -    0s
H    0     0                       3.0000000    0.00000   100%     -    0s
     0     0    0.26923    0   19    3.00000    0.26923  91.0%     -    0s
     0     0    1.00000    0   20    3.00000    1.00000  66.7%     -    0s
H    0     0                       1.0000000    1.00000   0.0%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 1

Explored 0 nodes (105 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%