Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:41:16 2012

Optimize a model with 187 rows, 135 columns and 600 nonzeros
Presolve time: 0.00s
Presolved: 187 rows, 135 columns, 600 nonzeros
Variable types: 0 continuous, 135 integer (135 binary)
Found heuristic solution: objective 47.0000000
Found heuristic solution: objective 42.0000000

Root relaxation: objective 0.000000e+00, 63 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   42   42.00000    0.00000   100%     -    0s
H    0     0                      35.0000000    0.00000   100%     -    0s
     0     0    0.58333    0   43   35.00000    0.58333  98.3%     -    0s
H    0     0                      30.0000000    0.58333  98.1%     -    0s
     0     0    1.14518    0   45   30.00000    1.14518  96.2%     -    0s
     0     0    1.45156    0   46   30.00000    1.45156  95.2%     -    0s
     0     0    1.51402    0   47   30.00000    1.51402  95.0%     -    0s
     0     0    1.51442    0   48   30.00000    1.51442  95.0%     -    0s
     0     2    1.65579    0   48   30.00000    1.65579  94.5%     -    0s
*   23    23              16      24.0000000    3.30122  86.2%  24.9    0s
*   26    22              16      22.0000000    3.30122  85.0%  22.3    0s
*  100    54              11      21.0000000    8.65500  58.8%  24.1    0s

Cutting planes:
  Gomory: 3
  Zero half: 3

Explored 581 nodes (12271 simplex iterations) in 0.30 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.100000000000e+01, best bound 2.100000000000e+01, gap 0.0%