Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:40 2012

Optimize a model with 163 rows, 137 columns and 542 nonzeros
Presolve time: 0.00s
Presolved: 163 rows, 137 columns, 542 nonzeros
Variable types: 0 continuous, 137 integer (137 binary)
Found heuristic solution: objective 34.0000000

Root relaxation: objective 0.000000e+00, 78 iterations, 0.00 seconds

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

     0     0    0.00000    0   56   34.00000    0.00000   100%     -    0s
H    0     0                      22.0000000    0.00000   100%     -    0s
H    0     0                      20.0000000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
     0     0    0.46392    0   64   15.00000    0.46392  96.9%     -    0s
H    0     0                       9.0000000    0.46392  94.8%     -    0s
     0     0    0.54294    0   59    9.00000    0.54294  94.0%     -    0s
     0     0    0.60401    0   60    9.00000    0.60401  93.3%     -    0s
     0     0    0.60772    0   61    9.00000    0.60772  93.2%     -    0s
     0     0    0.60772    0   60    9.00000    0.60772  93.2%     -    0s
     0     2    0.60772    0   60    9.00000    0.60772  93.2%     -    0s
*   10     8               8       7.0000000    3.11111  55.6%  21.7    0s

Cutting planes:
  Gomory: 1
  Mod-K: 4

Explored 31 nodes (837 simplex iterations) in 0.04 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%