Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:53:04 2012

Optimize a model with 173 rows, 104 columns and 534 nonzeros
Presolve time: 0.00s
Presolved: 173 rows, 104 columns, 534 nonzeros
Variable types: 0 continuous, 104 integer (104 binary)
Found heuristic solution: objective 44.0000000

Root relaxation: objective 0.000000e+00, 32 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   18   44.00000    0.00000   100%     -    0s
     0     0    1.00000    0   20   44.00000    1.00000  97.7%     -    0s
H    0     0                      43.0000000    1.00000  97.7%     -    0s
H    0     0                      41.0000000    1.00000  97.6%     -    0s
     0     0    1.07143    0   20   41.00000    1.07143  97.4%     -    0s
     0     0    1.07143    0   20   41.00000    1.07143  97.4%     -    0s
     0     0    1.14286    0   20   41.00000    1.14286  97.2%     -    0s
     0     0    1.14286    0   20   41.00000    1.14286  97.2%     -    0s
     0     0    1.14286    0   20   41.00000    1.14286  97.2%     -    0s
     0     0    1.14286    0   20   41.00000    1.14286  97.2%     -    0s
     0     2    1.14286    0   20   41.00000    1.14286  97.2%     -    0s
*   21    17              12      39.0000000    6.56571  83.2%  23.6    0s
H  140    77                      37.0000000   16.40000  55.7%  19.9    0s
*  142    79              10      36.0000000   16.40000  54.4%  19.9    0s
*  144    66              11      34.0000000   16.40000  51.8%  19.7    0s
*  151    57              10      33.0000000   16.40000  50.3%  19.2    0s

Cutting planes:
  Gomory: 1
  Zero half: 6

Explored 431 nodes (6653 simplex iterations) in 0.14 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.300000000000e+01, best bound 3.300000000000e+01, gap 0.0%