Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:44 2012

Optimize a model with 246 rows, 71 columns and 492 nonzeros
Presolve removed 98 rows and 8 columns
Presolve time: 0.00s
Presolved: 148 rows, 63 columns, 340 nonzeros
Variable types: 0 continuous, 63 integer (63 binary)
Found heuristic solution: objective 22.0000000

Root relaxation: objective 2.800000e+01, 84 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   28.00000    0   28   22.00000   28.00000  27.3%     -    0s
H    0     0                      24.0000000   28.00000  16.7%     -    0s
H    0     0                      25.0000000   28.00000  12.0%     -    0s
H    0     0                      26.0000000   28.00000  7.69%     -    0s
     0     0   27.85714    0   60   26.00000   27.85714  7.14%     -    0s
     0     0   27.33333    0   31   26.00000   27.33333  5.13%     -    0s
     0     0     cutoff    0        26.00000   26.99997  3.85%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 35

Explored 0 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 2.600000000000e+01, best bound 2.600000000000e+01, gap 0.0%