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

Optimize a model with 53 rows, 57 columns and 187 nonzeros
Presolve removed 0 rows and 5 columns
Presolve time: 0.00s
Presolved: 53 rows, 52 columns, 182 nonzeros
Variable types: 0 continuous, 52 integer (51 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 0.000000e+00, 33 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   23    7.00000    0.00000   100%     -    0s
H    0     0                       6.0000000    0.00000   100%     -    0s
H    0     0                       4.0000000    0.00000   100%     -    0s
H    0     0                       2.0000000    0.00000   100%     -    0s
     0     0    0.30027    0   25    2.00000    0.30027  85.0%     -    0s
     0     0    0.77487    0   27    2.00000    0.77487  61.3%     -    0s
     0     0    0.77487    0   27    2.00000    0.77487  61.3%     -    0s
     0     0    0.77487    0   10    2.00000    0.77487  61.3%     -    0s
     0     0    0.77563    0   15    2.00000    0.77563  61.2%     -    0s
     0     2    0.77722    0   15    2.00000    0.77722  61.1%     -    0s

Cutting planes:
  Gomory: 4

Explored 14 nodes (223 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%