Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:56 2012

Optimize a model with 377 rows, 88 columns and 754 nonzeros
Presolve removed 135 rows and 0 columns
Presolve time: 0.00s
Presolved: 242 rows, 88 columns, 585 nonzeros
Variable types: 0 continuous, 88 integer (88 binary)
Found heuristic solution: objective 27.0000000

Root relaxation: objective 3.341176e+01, 150 iterations, 0.00 seconds

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

     0     0   33.41176    0   84   27.00000   33.41176  23.7%     -    0s
H    0     0                      30.0000000   33.41176  11.4%     -    0s
     0     0   32.81906    0   84   30.00000   32.81906  9.40%     -    0s
     0     0   32.64549    0   84   30.00000   32.64549  8.82%     -    0s
     0     0   32.53359    0   82   30.00000   32.53359  8.45%     -    0s
     0     0   32.50572    0   85   30.00000   32.50572  8.35%     -    0s
     0     0   32.45827    0   85   30.00000   32.45827  8.19%     -    0s
     0     0   32.43461    0   86   30.00000   32.43461  8.12%     -    0s
     0     0   32.42317    0   86   30.00000   32.42317  8.08%     -    0s
     0     0   32.42317    0   86   30.00000   32.42317  8.08%     -    0s
     0     2   32.42155    0   86   30.00000   32.42155  8.07%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 24

Explored 24 nodes (942 simplex iterations) in 0.07 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+01, best bound 3.000000000000e+01, gap 0.0%