Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:48 2012

Optimize a model with 81 rows, 77 columns and 277 nonzeros
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 81 rows, 74 columns, 274 nonzeros
Variable types: 0 continuous, 74 integer (73 binary)
Found heuristic solution: objective 13.0000000

Root relaxation: objective 0.000000e+00, 52 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   33   13.00000    0.00000   100%     -    0s
H    0     0                       8.0000000    0.00000   100%     -    0s
H    0     0                       7.0000000    0.00000   100%     -    0s
     0     0    0.45016    0   35    7.00000    0.45016  93.6%     -    0s
     0     0    0.88084    0   38    7.00000    0.88084  87.4%     -    0s
     0     0    0.88084    0   38    7.00000    0.88084  87.4%     -    0s
H    0     0                       5.0000000    0.88084  82.4%     -    0s
     0     2    0.89453    0   38    5.00000    0.89453  82.1%     -    0s

Cutting planes:
  Gomory: 4

Explored 31 nodes (642 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%