Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:27:29 2012

Optimize a model with 251 rows, 278 columns and 903 nonzeros
Presolve removed 0 rows and 16 columns
Presolve time: 0.00s
Presolved: 251 rows, 262 columns, 887 nonzeros
Variable types: 0 continuous, 262 integer (261 binary)
Found heuristic solution: objective 41.0000000

Root relaxation: objective 0.000000e+00, 186 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   91   41.00000    0.00000   100%     -    0s
H    0     0                      31.0000000    0.00000   100%     -    0s
H    0     0                      22.0000000    0.00000   100%     -    0s
H    0     0                      20.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   92   20.00000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
H    0     0                      10.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   91   10.00000    0.00000   100%     -    0s
H    0     0                       8.0000000    0.00000   100%     -    0s
H    0     0                       7.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   91    7.00000    0.00000   100%     -    0s
H    8     8                       3.0000000    0.45902  84.7%  40.1    0s
H    8     5                       2.0000000    0.45902  77.0%  40.1    0s

Cutting planes:
  Gomory: 1

Explored 16 nodes (1254 simplex iterations) in 0.12 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%