Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:43 2012

Optimize a model with 75 rows, 73 columns and 258 nonzeros
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 75 rows, 70 columns, 255 nonzeros
Variable types: 0 continuous, 70 integer (69 binary)
Found heuristic solution: objective 16.0000000

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   28   16.00000    0.00000   100%     -    0s
H    0     0                       5.0000000    0.00000   100%     -    0s
     0     0    0.26954    0   30    5.00000    0.26954  94.6%     -    0s
H    0     0                       4.0000000    0.26954  93.3%     -    0s
H    0     0                       3.0000000    0.26954  91.0%     -    0s
     0     0    0.82346    0   36    3.00000    0.82346  72.6%     -    0s
     0     0    0.82346    0   33    3.00000    0.82346  72.6%     -    0s
     0     2    0.83194    0   33    3.00000    0.83194  72.3%     -    0s

Cutting planes:
  Gomory: 3

Explored 7 nodes (291 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%