Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:13 2012

Optimize a model with 51 rows, 53 columns and 178 nonzeros
Presolve removed 0 rows and 4 columns
Presolve time: 0.00s
Presolved: 51 rows, 49 columns, 174 nonzeros
Variable types: 0 continuous, 49 integer (48 binary)
Found heuristic solution: objective 13.0000000
Found heuristic solution: objective 11.0000000

Root relaxation: objective 0.000000e+00, 34 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   11.00000    0.00000   100%     -    0s
H    0     0                       6.0000000    0.00000   100%     -    0s
     0     0    0.26471    0   25    6.00000    0.26471  95.6%     -    0s
H    0     0                       3.0000000    0.26471  91.2%     -    0s
     0     0    0.77166    0   30    3.00000    0.77166  74.3%     -    0s
     0     2    0.77684    0   30    3.00000    0.77684  74.1%     -    0s
H   29     2                       2.0000000    1.00000  50.0%   4.9    0s

Cutting planes:
  Gomory: 4
  Zero half: 7

Explored 35 nodes (362 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%