Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:23 2012

Optimize a model with 59 rows, 60 columns and 205 nonzeros
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 59 rows, 57 columns, 202 nonzeros
Variable types: 0 continuous, 57 integer (56 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 0.000000e+00, 37 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   21    6.00000    0.00000   100%     -    0s
H    0     0                       2.0000000    0.00000   100%     -    0s
     0     0    0.17647    0   23    2.00000    0.17647  91.2%     -    0s
     0     0    0.79304    0   29    2.00000    0.79304  60.3%     -    0s
     0     0    0.79592    0   31    2.00000    0.79592  60.2%     -    0s
     0     0    0.79592    0   30    2.00000    0.79592  60.2%     -    0s
     0     0    0.79592    0    7    2.00000    0.79592  60.2%     -    0s
     0     0    0.79592    0   10    2.00000    0.79592  60.2%     -    0s
     0     0    0.79592    0   12    2.00000    0.79592  60.2%     -    0s
     0     2    0.80769    0   12    2.00000    0.80769  59.6%     -    0s

Cutting planes:
  Gomory: 3
  Mod-K: 1

Explored 9 nodes (212 simplex iterations) in 0.02 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%