Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:05 2012

Optimize a model with 79 rows, 79 columns and 274 nonzeros
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 79 rows, 76 columns, 271 nonzeros
Variable types: 0 continuous, 76 integer (75 binary)
Found heuristic solution: objective 15.0000000

Root relaxation: objective 0.000000e+00, 51 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   31   15.00000    0.00000   100%     -    0s
H    0     0                      11.0000000    0.00000   100%     -    0s
H    0     0                       7.0000000    0.00000   100%     -    0s
H    0     0                       5.0000000    0.00000   100%     -    0s
     0     0    0.28810    0   33    5.00000    0.28810  94.2%     -    0s
H    0     0                       4.0000000    0.28810  92.8%     -    0s
     0     0    0.74435    0   36    4.00000    0.74435  81.4%     -    0s
H    0     0                       3.0000000    0.74435  75.2%     -    0s
     0     0    0.74435    0   37    3.00000    0.74435  75.2%     -    0s
     0     0    0.74435    0   35    3.00000    0.74435  75.2%     -    0s
H    0     0                       2.0000000    0.74435  62.8%     -    0s

Cutting planes:
  Gomory: 4

Explored 0 nodes (239 simplex iterations) in 0.03 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%