Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:42 2012

Optimize a model with 37 rows, 36 columns and 126 nonzeros
Presolve time: 0.00s
Presolved: 37 rows, 36 columns, 126 nonzeros
Variable types: 0 continuous, 36 integer (36 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 0.000000e+00, 22 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    8.00000    0.00000   100%     -    0s
H    0     0                       5.0000000    0.00000   100%     -    0s
     0     0    0.51200    0   18    5.00000    0.51200  89.8%     -    0s
     0     0    1.00000    0   20    5.00000    1.00000  80.0%     -    0s
     0     0    1.00000    0   20    5.00000    1.00000  80.0%     -    0s
     0     0    1.00000    0   20    5.00000    1.00000  80.0%     -    0s
H    0     0                       3.0000000    1.00000  66.7%     -    0s
H    0     0                       2.0000000    1.00000  50.0%     -    0s
     0     2    1.00000    0   19    2.00000    1.00000  50.0%     -    0s

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 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%