Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:06:21 2012

Optimize a model with 809 rows, 240 columns and 2593 nonzeros
Presolve removed 437 rows and 2 columns
Presolve time: 0.01s
Presolved: 372 rows, 238 columns, 1733 nonzeros
Variable types: 0 continuous, 238 integer (238 binary)
Found heuristic solution: objective 15.0000000

Root relaxation: objective 4.000000e+00, 462 iterations, 0.01 seconds

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

     0     0    4.00000    0   18   15.00000    4.00000  73.3%     -    0s
H    0     0                      14.0000000    4.00000  71.4%     -    0s
H    0     0                       9.0000000    4.00000  55.6%     -    0s
H    0     0                       5.0000000    4.00000  20.0%     -    0s
     0     0    4.00000    0   48    5.00000    4.00000  20.0%     -    0s
     0     0    4.00000    0   18    5.00000    4.00000  20.0%     -    0s
     0     0    4.00000    0   33    5.00000    4.00000  20.0%     -    0s
     0     0    4.00000    0   35    5.00000    4.00000  20.0%     -    0s
     0     0    4.00000    0   33    5.00000    4.00000  20.0%     -    0s
     0     0    4.00000    0   60    5.00000    4.00000  20.0%     -    0s
     0     0    4.00000    0   60    5.00000    4.00000  20.0%     -    0s
     0     2    4.00000    0   49    5.00000    4.00000  20.0%     -    0s

Cutting planes:
  Gomory: 4
  Zero half: 24

Explored 7 nodes (7421 simplex iterations) in 0.36 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%