Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:35 2012

Optimize a model with 143 rows, 108 columns and 463 nonzeros
Presolve time: 0.00s
Presolved: 143 rows, 108 columns, 463 nonzeros
Variable types: 0 continuous, 108 integer (108 binary)
Found heuristic solution: objective 29.0000000

Root relaxation: objective 0.000000e+00, 58 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   37   29.00000    0.00000   100%     -    0s
H    0     0                      25.0000000    0.00000   100%     -    0s
H    0     0                      23.0000000    0.00000   100%     -    0s
     0     0    0.69728    0   40   23.00000    0.69728  97.0%     -    0s
H    0     0                      19.0000000    0.69728  96.3%     -    0s
     0     0    0.76062    0   39   19.00000    0.76062  96.0%     -    0s
     0     0    0.93191    0   44   19.00000    0.93191  95.1%     -    0s
     0     0    0.95721    0   43   19.00000    0.95721  95.0%     -    0s
     0     0    1.00579    0   44   19.00000    1.00579  94.7%     -    0s
     0     0    1.01279    0   48   19.00000    1.01279  94.7%     -    0s
     0     2    1.01328    0   48   19.00000    1.01328  94.7%     -    0s
*   19    19              10      15.0000000    3.31395  77.9%  20.9    0s
*  110    35              10      14.0000000    7.82589  44.1%  14.6    0s
*  176    10               7      13.0000000   11.25000  13.5%  13.4    0s

Cutting planes:
  Gomory: 1
  Zero half: 1
  Mod-K: 6

Explored 188 nodes (2708 simplex iterations) in 0.07 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.300000000000e+01, best bound 1.300000000000e+01, gap 0.0%