Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:12 2012

Optimize a model with 318 rows, 36 columns and 636 nonzeros
Presolve removed 213 rows and 0 columns
Presolve time: 0.00s
Presolved: 105 rows, 36 columns, 512 nonzeros
Variable types: 0 continuous, 36 integer (36 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 7.511111e+00, 55 iterations, 0.00 seconds

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

     0     0    7.51111    0   31    6.00000    7.51111  25.2%     -    0s
     0     0    7.22222    0   31    6.00000    7.22222  20.4%     -    0s
     0     0    7.18034    0   32    6.00000    7.18034  19.7%     -    0s
     0     0    7.13032    0   32    6.00000    7.13032  18.8%     -    0s
     0     0    7.11167    0   33    6.00000    7.11167  18.5%     -    0s
     0     0    7.10064    0   33    6.00000    7.10064  18.3%     -    0s
     0     0    7.08906    0   33    6.00000    7.08906  18.2%     -    0s
     0     0    7.08906    0   32    6.00000    7.08906  18.2%     -    0s
     0     2    7.08906    0   32    6.00000    7.08906  18.2%     -    0s

Cutting planes:
  Gomory: 2
  Clique: 10
  Zero half: 9

Explored 4 nodes (200 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%