Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:22:33 2012

Optimize a model with 231 rows, 249 columns and 824 nonzeros
Presolve removed 0 rows and 25 columns
Presolve time: 0.00s
Presolved: 231 rows, 224 columns, 799 nonzeros
Variable types: 0 continuous, 224 integer (223 binary)
Found heuristic solution: objective 40.0000000

Root relaxation: objective 0.000000e+00, 167 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   96   40.00000    0.00000   100%     -    0s
H    0     0                      29.0000000    0.00000   100%     -    0s
H    0     0                      27.0000000    0.00000   100%     -    0s
H    0     0                      23.0000000    0.00000   100%     -    0s
     0     0    0.19315    0   97   23.00000    0.19315  99.2%     -    0s
H    0     0                      21.0000000    0.19315  99.1%     -    0s
     0     0    1.00000    0   96   21.00000    1.00000  95.2%     -    0s
H    0     0                      17.0000000    1.00000  94.1%     -    0s
     0     0    1.00000    0   99   17.00000    1.00000  94.1%     -    0s
     0     0    1.00000    0   75   17.00000    1.00000  94.1%     -    0s
H    0     0                      15.0000000    1.00000  93.3%     -    0s
H    0     0                      13.0000000    1.00000  92.3%     -    0s
H    0     0                      12.0000000    1.00000  91.7%     -    0s
H    0     0                       4.0000000    1.00000  75.0%     -    0s
     0     2    1.00000    0   75    4.00000    1.00000  75.0%     -    0s
*   20     9              17       3.0000000    1.52941  49.0%  27.2    0s

Cutting planes:
  Gomory: 1

Explored 31 nodes (1507 simplex iterations) in 0.06 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%