Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:57:34 2012

Optimize a model with 748 rows, 123 columns and 1496 nonzeros
Presolve removed 276 rows and 0 columns
Presolve time: 0.01s
Presolved: 472 rows, 123 columns, 1185 nonzeros
Variable types: 0 continuous, 123 integer (123 binary)
Found heuristic solution: objective 30.0000000

Root relaxation: objective 4.242151e+01, 355 iterations, 0.01 seconds

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

     0     0   42.42151    0  121   30.00000   42.42151  41.4%     -    0s
     0     0   41.41421    0  122   30.00000   41.41421  38.0%     -    0s
H    0     0                      32.0000000   41.41421  29.4%     -    0s
     0     0   41.15133    0  122   32.00000   41.15133  28.6%     -    0s
     0     0   40.90805    0  123   32.00000   40.90805  27.8%     -    0s
     0     0   40.71921    0  121   32.00000   40.71921  27.2%     -    0s
     0     0   40.55969    0  120   32.00000   40.55969  26.7%     -    0s
     0     0   40.41603    0  121   32.00000   40.41603  26.3%     -    0s
     0     0   40.33372    0  121   32.00000   40.33372  26.0%     -    0s
     0     0   40.33223    0  121   32.00000   40.33223  26.0%     -    0s
     0     0   40.33223    0  120   32.00000   40.33223  26.0%     -    0s
     0     2   40.33030    0  120   32.00000   40.33030  26.0%     -    0s
*  210    49               7      34.0000000   38.79326  14.1%  36.3    0s

Cutting planes:
  Clique: 3
  Zero half: 42

Explored 867 nodes (28307 simplex iterations) in 1.06 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%