Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:09 2012

Optimize a model with 276 rows, 99 columns and 552 nonzeros
Presolve removed 88 rows and 12 columns
Presolve time: 0.00s
Presolved: 188 rows, 87 columns, 399 nonzeros
Variable types: 0 continuous, 87 integer (87 binary)
Found heuristic solution: objective 39.0000000

Root relaxation: objective 4.400000e+01, 122 iterations, 0.00 seconds

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

     0     0   44.00000    0   64   39.00000   44.00000  12.8%     -    0s
H    0     0                      40.0000000   44.00000  10.0%     -    0s
     0     0   42.78947    0   86   40.00000   42.78947  6.97%     -    0s
     0     0   42.00000    0   82   40.00000   42.00000  5.00%     -    0s
H    0     0                      41.0000000   42.00000  2.44%     -    0s
     0     0   42.00000    0   72   41.00000   42.00000  2.44%     -    0s
H    0     0                      42.0000000   42.00000   0.0%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 11

Explored 0 nodes (294 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.200000000000e+01, best bound 4.200000000000e+01, gap 0.0%