Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:59 2012

Optimize a model with 79 rows, 78 columns and 273 nonzeros
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 79 rows, 75 columns, 270 nonzeros
Variable types: 0 continuous, 75 integer (74 binary)
Found heuristic solution: objective 19.0000000
Found heuristic solution: objective 17.0000000

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   35   17.00000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
H    0     0                       8.0000000    0.00000   100%     -    0s
     0     0    0.48980    0   36    8.00000    0.48980  93.9%     -    0s
H    0     0                       6.0000000    0.48980  91.8%     -    0s
     0     0    1.00000    0   38    6.00000    1.00000  83.3%     -    0s
     0     0    1.00000    0   38    6.00000    1.00000  83.3%     -    0s
     0     0    1.00000    0   31    6.00000    1.00000  83.3%     -    0s
H    0     0                       3.0000000    1.00000  66.7%     -    0s
     0     2    1.00000    0   31    3.00000    1.00000  66.7%     -    0s
*    8     4               5       2.0000000    1.00000  50.0%  15.9    0s

Cutting planes:
  Gomory: 4
  MIR: 2
  Zero half: 1

Explored 13 nodes (459 simplex iterations) in 0.02 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%