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

Optimize a model with 314 rows, 36 columns and 628 nonzeros
Presolve removed 217 rows and 0 columns
Presolve time: 0.00s
Presolved: 97 rows, 36 columns, 477 nonzeros
Variable types: 0 continuous, 36 integer (36 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 7.400000e+00, 56 iterations, 0.00 seconds

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

     0     0    7.40000    0   31    5.00000    7.40000  48.0%     -    0s
H    0     0                       6.0000000    7.40000  23.3%     -    0s
     0     0    7.15152    0   28    6.00000    7.15152  19.2%     -    0s
     0     0    7.00000    0   30    6.00000    7.00000  16.7%     -    0s
H    0     0                       7.0000000    7.00000   0.0%     -    0s

Cutting planes:
  Gomory: 1
  Clique: 4
  Zero half: 1

Explored 0 nodes (140 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%