Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:19 2012

Optimize a model with 45 rows, 52 columns and 162 nonzeros
Presolve removed 0 rows and 5 columns
Presolve time: 0.00s
Presolved: 45 rows, 47 columns, 157 nonzeros
Variable types: 0 continuous, 47 integer (46 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 0.000000e+00, 31 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   20    7.00000    0.00000   100%     -    0s
H    0     0                       4.0000000    0.00000   100%     -    0s
H    0     0                       2.0000000    0.00000   100%     -    0s
     0     0    0.03896    0   21    2.00000    0.03896  98.1%     -    0s
     0     0    1.00000    0   17    2.00000    1.00000  50.0%     -    0s
H    0     0                       1.0000000    1.00000   0.0%     -    0s

Cutting planes:
  Gomory: 2
  Zero half: 1

Explored 0 nodes (122 simplex iterations) in 0.00 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%