Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:39 2012

Optimize a model with 105 rows, 97 columns and 357 nonzeros
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 105 rows, 96 columns, 356 nonzeros
Variable types: 0 continuous, 96 integer (95 binary)
Found heuristic solution: objective 24.0000000

Root relaxation: objective 0.000000e+00, 64 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   43   24.00000    0.00000   100%     -    0s
H    0     0                      19.0000000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
H    0     0                       9.0000000    0.00000   100%     -    0s
     0     0    0.42105    0   45    9.00000    0.42105  95.3%     -    0s
H    0     0                       8.0000000    0.42105  94.7%     -    0s
     0     0    0.95230    0   49    8.00000    0.95230  88.1%     -    0s
     0     0    0.95543    0   50    8.00000    0.95543  88.1%     -    0s
     0     0    0.95543    0   50    8.00000    0.95543  88.1%     -    0s
H    0     0                       6.0000000    0.95543  84.1%     -    0s
     0     2    1.10689    0   50    6.00000    1.10689  81.6%     -    0s
*    4     4               4       4.0000000    1.58189  60.5%  24.2    0s

Cutting planes:
  Gomory: 3
  Mod-K: 4

Explored 11 nodes (480 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%