Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:49:09 2012

Optimize a model with 435 rows, 96 columns and 870 nonzeros
Presolve removed 148 rows and 0 columns
Presolve time: 0.00s
Presolved: 287 rows, 96 columns, 685 nonzeros
Variable types: 0 continuous, 96 integer (96 binary)
Found heuristic solution: objective 29.0000000

Root relaxation: objective 3.682222e+01, 165 iterations, 0.00 seconds

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

     0     0   36.82222    0   85   29.00000   36.82222  27.0%     -    0s
H    0     0                      31.0000000   36.82222  18.8%     -    0s
     0     0   36.38889    0   94   31.00000   36.38889  17.4%     -    0s
     0     0   36.03909    0   94   31.00000   36.03909  16.3%     -    0s
     0     0   35.94565    0   93   31.00000   35.94565  16.0%     -    0s
H    0     0                      32.0000000   35.94565  12.3%     -    0s
     0     0   35.82529    0   96   32.00000   35.82529  12.0%     -    0s
     0     0   35.71484    0   96   32.00000   35.71484  11.6%     -    0s
     0     0   35.62500    0   95   32.00000   35.62500  11.3%     -    0s
     0     0   35.45333    0   95   32.00000   35.45333  10.8%     -    0s
     0     0   35.38819    0   95   32.00000   35.38819  10.6%     -    0s
     0     0   35.36066    0   94   32.00000   35.36066  10.5%     -    0s
     0     0   35.32683    0   94   32.00000   35.32683  10.4%     -    0s
     0     0   35.31787    0   96   32.00000   35.31787  10.4%     -    0s
     0     0   35.31787    0   96   32.00000   35.31787  10.4%     -    0s
     0     2   35.31680    0   96   32.00000   35.31680  10.4%     -    0s

Cutting planes:
  Gomory: 1
  Clique: 2
  Zero half: 37

Explored 66 nodes (2461 simplex iterations) in 0.13 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%