Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:59 2012

Optimize a model with 381 rows, 90 columns and 762 nonzeros
Presolve removed 119 rows and 0 columns
Presolve time: 0.00s
Presolved: 262 rows, 90 columns, 616 nonzeros
Variable types: 0 continuous, 90 integer (90 binary)
Found heuristic solution: objective 27.0000000

Root relaxation: objective 3.466667e+01, 157 iterations, 0.00 seconds

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

     0     0   34.66667    0   81   27.00000   34.66667  28.4%     -    0s
     0     0   33.73469    0   87   27.00000   33.73469  24.9%     -    0s
H    0     0                      28.0000000   33.73469  20.5%     -    0s
H    0     0                      29.0000000   33.73469  16.3%     -    0s
     0     0   33.36667    0   88   29.00000   33.36667  15.1%     -    0s
     0     0   32.91994    0   88   29.00000   32.91994  13.5%     -    0s
     0     0   32.55591    0   90   29.00000   32.55591  12.3%     -    0s
     0     0   32.42897    0   90   29.00000   32.42897  11.8%     -    0s
     0     0   32.31560    0   90   29.00000   32.31560  11.4%     -    0s
     0     0   32.22923    0   90   29.00000   32.22923  11.1%     -    0s
     0     0   32.22477    0   89   29.00000   32.22477  11.1%     -    0s
     0     0   32.22451    0   89   29.00000   32.22451  11.1%     -    0s
     0     0   32.22451    0   88   29.00000   32.22451  11.1%     -    0s
     0     2   32.22423    0   88   29.00000   32.22423  11.1%     -    0s

Cutting planes:
  Gomory: 1
  Clique: 1
  Zero half: 52

Explored 83 nodes (2690 simplex iterations) in 0.11 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.900000000000e+01, best bound 2.900000000000e+01, gap 0.0%