Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:39 2012

Optimize a model with 57 rows, 63 columns and 203 nonzeros
Presolve removed 0 rows and 4 columns
Presolve time: 0.00s
Presolved: 57 rows, 59 columns, 199 nonzeros
Variable types: 0 continuous, 59 integer (58 binary)
Found heuristic solution: objective 12.0000000

Root relaxation: objective 0.000000e+00, 40 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   20   12.00000    0.00000   100%     -    0s
H    0     0                       2.0000000    0.00000   100%     -    0s
     0     0    0.07895    0   23    2.00000    0.07895  96.1%     -    0s
     0     0    1.00000    0   22    2.00000    1.00000  50.0%     -    0s
     0     0    1.00000    0    9    2.00000    1.00000  50.0%     -    0s
H    0     0                       1.0000000    1.00000   0.0%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 3

Explored 0 nodes (157 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%