Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:40:18 2012

Optimize a model with 143 rows, 111 columns and 466 nonzeros
Presolve time: 0.00s
Presolved: 143 rows, 111 columns, 466 nonzeros
Variable types: 0 continuous, 111 integer (111 binary)
Found heuristic solution: objective 34.0000000

Root relaxation: objective 0.000000e+00, 64 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   39   34.00000    0.00000   100%     -    0s
H    0     0                      23.0000000    0.00000   100%     -    0s
     0     0    0.61709    0   40   23.00000    0.61709  97.3%     -    0s
H    0     0                      19.0000000    0.61709  96.8%     -    0s
     0     0    1.28807    0   42   19.00000    1.28807  93.2%     -    0s
H    0     0                      18.0000000    1.28807  92.8%     -    0s
     0     0    1.74047    0   43   18.00000    1.74047  90.3%     -    0s
     0     0    1.75767    0   44   18.00000    1.75767  90.2%     -    0s
     0     0    1.75767    0   44   18.00000    1.75767  90.2%     -    0s
     0     2    1.79296    0   44   18.00000    1.79296  90.0%     -    0s
*   24    24              16      15.0000000    3.79773  74.7%  19.5    0s
*   51    24              12      14.0000000    3.95059  71.8%  16.7    0s
*  170    27               8      13.0000000    8.81250  32.2%  14.3    0s

Cutting planes:
  Gomory: 4
  Zero half: 2

Explored 248 nodes (3669 simplex iterations) in 0.13 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%