Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:57 2012

Optimize a model with 383 rows, 88 columns and 766 nonzeros
Presolve removed 122 rows and 0 columns
Presolve time: 0.00s
Presolved: 261 rows, 88 columns, 608 nonzeros
Variable types: 0 continuous, 88 integer (88 binary)
Found heuristic solution: objective 28.0000000

Root relaxation: objective 3.365517e+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   33.65517    0   81   28.00000   33.65517  20.2%     -    0s
H    0     0                      29.0000000   33.65517  16.1%     -    0s
     0     0   32.96295    0   81   29.00000   32.96295  13.7%     -    0s
     0     0   32.79378    0   85   29.00000   32.79378  13.1%     -    0s
     0     0   32.50313    0   86   29.00000   32.50313  12.1%     -    0s
     0     0   32.33316    0   85   29.00000   32.33316  11.5%     -    0s
     0     0   32.21941    0   87   29.00000   32.21941  11.1%     -    0s
     0     0   32.19065    0   87   29.00000   32.19065  11.0%     -    0s
     0     0   32.15384    0   86   29.00000   32.15384  10.9%     -    0s
     0     0   32.13339    0   87   29.00000   32.13339  10.8%     -    0s
     0     0   32.13339    0   87   29.00000   32.13339  10.8%     -    0s
     0     2   32.12815    0   87   29.00000   32.12815  10.8%     -    0s
*   12     4               3      30.0000000   31.82892  6.10%  35.6    0s

Cutting planes:
  Gomory: 2
  Clique: 1
  Zero half: 38

Explored 25 nodes (1184 simplex iterations) in 0.08 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%