Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:08 2012

Optimize a model with 266 rows, 97 columns and 532 nonzeros
Presolve removed 64 rows and 7 columns
Presolve time: 0.00s
Presolved: 202 rows, 90 columns, 424 nonzeros
Variable types: 0 continuous, 90 integer (90 binary)
Found heuristic solution: objective 39.0000000

Root relaxation: objective 4.350000e+01, 121 iterations, 0.00 seconds

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

     0     0   43.50000    0   71   39.00000   43.50000  11.5%     -    0s
     0     0   42.66667    0   81   39.00000   42.66667  9.40%     -    0s
H    0     0                      41.0000000   42.66667  4.07%     -    0s
H    0     0                      42.0000000   42.66667  1.59%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 7

Explored 0 nodes (228 simplex iterations) in 0.01 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%