Gurobi 5.0.1 (linux64) logging started Tue Nov 20 06:09:44 2012

Optimize a model with 879 rows, 131 columns and 1758 nonzeros
Presolve removed 356 rows and 0 columns
Presolve time: 0.01s
Presolved: 523 rows, 131 columns, 1387 nonzeros
Variable types: 0 continuous, 131 integer (131 binary)
Found heuristic solution: objective 29.0000000

Root relaxation: objective 4.388480e+01, 368 iterations, 0.01 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   43.88480    0  131   29.00000   43.88480  51.3%     -    0s
H    0     0                      33.0000000   43.88480  33.0%     -    0s
     0     0   43.48680    0  130   33.00000   43.48680  31.8%     -    0s
     0     0   43.28930    0  131   33.00000   43.28930  31.2%     -    0s
     0     0   43.07281    0  131   33.00000   43.07281  30.5%     -    0s
     0     0   42.89285    0  131   33.00000   42.89285  30.0%     -    0s
     0     0   42.82736    0  131   33.00000   42.82736  29.8%     -    0s
     0     0   42.77402    0  131   33.00000   42.77402  29.6%     -    0s
     0     0   42.76145    0  131   33.00000   42.76145  29.6%     -    0s
     0     0   42.76145    0  131   33.00000   42.76145  29.6%     -    0s
     0     2   42.76094    0  131   33.00000   42.76094  29.6%     -    0s
H    9     9                      34.0000000   42.76094  25.8%  77.0    0s
  3425   712     cutoff   26        34.00000   37.67871  10.8%  31.3    5s

Explored 7460 nodes (198606 simplex iterations) in 8.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.400000000000e+01, best bound 3.400000000000e+01, gap 0.0%