Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:13 2012

Optimize a model with 167 rows, 137 columns and 552 nonzeros
Presolve time: 0.00s
Presolved: 167 rows, 137 columns, 552 nonzeros
Variable types: 0 continuous, 137 integer (137 binary)
Found heuristic solution: objective 39.0000000

Root relaxation: objective 0.000000e+00, 80 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   54   39.00000    0.00000   100%     -    0s
H    0     0                      24.0000000    0.00000   100%     -    0s
     0     0    0.85333    0   56   24.00000    0.85333  96.4%     -    0s
H    0     0                      21.0000000    0.85333  95.9%     -    0s
     0     0    0.85333    0   56   21.00000    0.85333  95.9%     -    0s
     0     0    0.85333    0   56   21.00000    0.85333  95.9%     -    0s
H    0     0                      18.0000000    0.85333  95.3%     -    0s
H    0     0                      16.0000000    0.85333  94.7%     -    0s
H    0     0                      15.0000000    0.85333  94.3%     -    0s
     0     2    0.85333    0   56   15.00000    0.85333  94.3%     -    0s
*   13    12              10      12.0000000    2.64889  77.9%  25.5    0s
*   37    16               7      11.0000000    4.46500  59.4%  26.1    0s

Cutting planes:
  Gomory: 1
  Zero half: 2

Explored 90 nodes (2279 simplex iterations) in 0.09 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%