Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:54 2012

Optimize a model with 57 rows, 50 columns and 190 nonzeros
Presolve time: 0.00s
Presolved: 57 rows, 50 columns, 190 nonzeros
Variable types: 0 continuous, 50 integer (50 binary)
Found heuristic solution: objective 11.0000000

Root relaxation: objective 0.000000e+00, 32 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   11.00000    0.00000   100%     -    0s
H    0     0                       5.0000000    0.00000   100%     -    0s
     0     0    0.49734    0   24    5.00000    0.49734  90.1%     -    0s
     0     0    0.57683    0   26    5.00000    0.57683  88.5%     -    0s
     0     0    0.65796    0   25    5.00000    0.65796  86.8%     -    0s
     0     0    0.67059    0   25    5.00000    0.67059  86.6%     -    0s
     0     0    0.67059    0   25    5.00000    0.67059  86.6%     -    0s
     0     2    0.72973    0   25    5.00000    0.72973  85.4%     -    0s

Cutting planes:
  Gomory: 1
  Mod-K: 4

Explored 16 nodes (264 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%