Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:47 2012

Optimize a model with 41 rows, 40 columns and 140 nonzeros
Presolve time: 0.00s
Presolved: 41 rows, 40 columns, 140 nonzeros
Variable types: 0 continuous, 40 integer (40 binary)
Found heuristic solution: objective 10.0000000
Found heuristic solution: objective 8.0000000

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   19    8.00000    0.00000   100%     -    0s
H    0     0                       6.0000000    0.00000   100%     -    0s
     0     0    0.46957    0   21    6.00000    0.46957  92.2%     -    0s
     0     0    0.77550    0   23    6.00000    0.77550  87.1%     -    0s
H    0     0                       4.0000000    0.77550  80.6%     -    0s
     0     0    0.80408    0   24    4.00000    0.80408  79.9%     -    0s
H    0     0                       3.0000000    0.80408  73.2%     -    0s
     0     0    0.80416    0   24    3.00000    0.80416  73.2%     -    0s
     0     0    0.80416    0   24    3.00000    0.80416  73.2%     -    0s
     0     2    0.80657    0   24    3.00000    0.80657  73.1%     -    0s
*    6     2               3       2.0000000    1.00000  50.0%   8.0    0s

Cutting planes:
  Gomory: 3
  Zero half: 1

Explored 9 nodes (159 simplex iterations) in 0.01 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%