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

Optimize a model with 33 rows, 33 columns and 113 nonzeros
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 33 rows, 32 columns, 112 nonzeros
Variable types: 0 continuous, 32 integer (31 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 0.000000e+00, 19 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   15    6.00000    0.00000   100%     -    0s
H    0     0                       2.0000000    0.00000   100%     -    0s
     0     0    0.35000    0   16    2.00000    0.35000  82.5%     -    0s
     0     0    1.00000    0   17    2.00000    1.00000  50.0%     -    0s
     0     0    1.00000    0   18    2.00000    1.00000  50.0%     -    0s
     0     0    1.00000    0   10    2.00000    1.00000  50.0%     -    0s
     0     0    1.00000    0   13    2.00000    1.00000  50.0%     -    0s
     0     0    1.00000    0   13    2.00000    1.00000  50.0%     -    0s
     0     0    1.00000    0    3    2.00000    1.00000  50.0%     -    0s

Explored 0 nodes (86 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%