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

Optimize a model with 141 rows, 88 columns and 438 nonzeros
Presolve time: 0.00s
Presolved: 141 rows, 88 columns, 438 nonzeros
Variable types: 0 continuous, 88 integer (88 binary)
Found heuristic solution: objective 34.0000000

Root relaxation: objective 0.000000e+00, 27 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   34.00000    0.00000   100%     -    0s
     0     0    0.56250    0   19   34.00000    0.56250  98.3%     -    0s
     0     0    1.10377    0   22   34.00000    1.10377  96.8%     -    0s
     0     0    1.38889    0   21   34.00000    1.38889  95.9%     -    0s
     0     0    1.44444    0   23   34.00000    1.44444  95.8%     -    0s
     0     0    1.45139    0   22   34.00000    1.45139  95.7%     -    0s
     0     0    1.52412    0   23   34.00000    1.52412  95.5%     -    0s
H    0     0                      29.0000000    1.52412  94.7%     -    0s
     0     0    1.52412    0   24   29.00000    1.52412  94.7%     -    0s
     0     0    1.52412    0   23   29.00000    1.52412  94.7%     -    0s
     0     2    1.58333    0   23   29.00000    1.58333  94.5%     -    0s
*   16    13               9      28.0000000    5.88889  79.0%  18.2    0s
*   30    20              10      26.0000000    5.95556  77.1%  16.1    0s
*   46    21               7      25.0000000    9.33333  62.7%  15.2    0s
*   62    24               8      24.0000000    9.91111  58.7%  14.1    0s

Cutting planes:
  Gomory: 3
  Zero half: 3

Explored 178 nodes (2375 simplex iterations) in 0.07 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.400000000000e+01, best bound 2.400000000000e+01, gap 0.0%