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

Optimize a model with 77 rows, 75 columns and 265 nonzeros
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 77 rows, 72 columns, 262 nonzeros
Variable types: 0 continuous, 72 integer (71 binary)
Found heuristic solution: objective 17.0000000

Root relaxation: objective 0.000000e+00, 45 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   17.00000    0.00000   100%     -    0s
H    0     0                      11.0000000    0.00000   100%     -    0s
H    0     0                       8.0000000    0.00000   100%     -    0s
H    0     0                       5.0000000    0.00000   100%     -    0s
     0     0    0.34370    0   34    5.00000    0.34370  93.1%     -    0s
     0     0    1.00000    0   23    5.00000    1.00000  80.0%     -    0s
H    0     0                       4.0000000    1.00000  75.0%     -    0s
     0     0    1.00000    0   37    4.00000    1.00000  75.0%     -    0s
H    0     0                       2.0000000    1.00000  50.0%     -    0s
     0     0    1.00000    0   38    2.00000    1.00000  50.0%     -    0s
     0     0    1.00000    0    8    2.00000    1.00000  50.0%     -    0s
     0     0    1.00000    0   10    2.00000    1.00000  50.0%     -    0s
     0     0    1.00000    0    7    2.00000    1.00000  50.0%     -    0s
     0     2    1.00000    0    7    2.00000    1.00000  50.0%     -    0s

Cutting planes:
  Gomory: 1

Explored 3 nodes (281 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%