Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:39 2012

Optimize a model with 43 rows, 38 columns and 143 nonzeros
Presolve time: 0.00s
Presolved: 43 rows, 38 columns, 143 nonzeros
Variable types: 0 continuous, 38 integer (38 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 0.000000e+00, 27 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   17    7.00000    0.00000   100%     -    0s
H    0     0                       3.0000000    0.00000   100%     -    0s
     0     0    0.79281    0   21    3.00000    0.79281  73.6%     -    0s
     0     0    0.83810    0   21    3.00000    0.83810  72.1%     -    0s
     0     0    0.87765    0   21    3.00000    0.87765  70.7%     -    0s
     0     0    0.88476    0   25    3.00000    0.88476  70.5%     -    0s
     0     2    0.92308    0   25    3.00000    0.92308  69.2%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 2
  Mod-K: 2

Explored 3 nodes (136 simplex iterations) in 0.01 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%