Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:53:37 2012

Optimize a model with 175 rows, 107 columns and 542 nonzeros
Presolve time: 0.00s
Presolved: 175 rows, 107 columns, 542 nonzeros
Variable types: 0 continuous, 107 integer (107 binary)
Found heuristic solution: objective 44.0000000

Root relaxation: objective 0.000000e+00, 36 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   20   44.00000    0.00000   100%     -    0s
H    0     0                      41.0000000    0.00000   100%     -    0s
     0     0    0.71429    0   21   41.00000    0.71429  98.3%     -    0s
     0     0    1.63265    0   23   41.00000    1.63265  96.0%     -    0s
     0     0    2.21111    0   23   41.00000    2.21111  94.6%     -    0s
H    0     0                      40.0000000    2.21111  94.5%     -    0s
H    0     0                      37.0000000    2.21111  94.0%     -    0s
     0     2    2.28235    0   23   37.00000    2.28235  93.8%     -    0s
*   61    37              12      36.0000000    9.34000  74.1%  24.1    0s
*   63    36              13      35.0000000    9.34000  73.3%  23.4    0s
*   88    46              10      33.0000000    9.35176  71.7%  23.6    0s
*  153    74               9      32.0000000   13.52381  57.7%  23.4    0s

Cutting planes:
  Gomory: 5

Explored 660 nodes (11854 simplex iterations) in 0.23 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.200000000000e+01, best bound 3.200000000000e+01, gap 0.0%