Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:20 2012

Optimize a model with 725 rows, 53 columns and 1450 nonzeros
Presolve removed 515 rows and 0 columns
Presolve time: 0.01s
Presolved: 210 rows, 53 columns, 1255 nonzeros
Variable types: 0 continuous, 53 integer (53 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 9.170843e+00, 120 iterations, 0.00 seconds

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

     0     0    9.17084    0   48    7.00000    9.17084  31.0%     -    0s
     0     0    8.89570    0   49    7.00000    8.89570  27.1%     -    0s
     0     0    8.78747    0   47    7.00000    8.78747  25.5%     -    0s
     0     0    8.73844    0   49    7.00000    8.73844  24.8%     -    0s
     0     0    8.73280    0   49    7.00000    8.73280  24.8%     -    0s
     0     0    8.72952    0   49    7.00000    8.72952  24.7%     -    0s
     0     2    8.72883    0   49    7.00000    8.72883  24.7%     -    0s

Cutting planes:
  Clique: 24
  Zero half: 11

Explored 13 nodes (697 simplex iterations) in 0.08 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%