Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:57:02 2012

Optimize a model with 285 rows, 166 columns and 876 nonzeros
Presolve time: 0.00s
Presolved: 285 rows, 166 columns, 876 nonzeros
Variable types: 0 continuous, 166 integer (166 binary)
Found heuristic solution: objective 68.0000000
Found heuristic solution: objective 66.0000000

Root relaxation: objective 0.000000e+00, 46 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   24   66.00000    0.00000   100%     -    0s
     0     0    0.97752    0   34   66.00000    0.97752  98.5%     -    0s
H    0     0                      65.0000000    0.97752  98.5%     -    0s
     0     0    0.97752    0   34   65.00000    0.97752  98.5%     -    0s
H    0     0                      63.0000000    0.97752  98.4%     -    0s
     0     0    1.11111    0   26   63.00000    1.11111  98.2%     -    0s
     0     0    1.16667    0   26   63.00000    1.16667  98.1%     -    0s
     0     0    1.16667    0   26   63.00000    1.16667  98.1%     -    0s
     0     0    1.16667    0   26   63.00000    1.16667  98.1%     -    0s
     0     0    1.16667    0   26   63.00000    1.16667  98.1%     -    0s
     0     2    2.28726    0   26   63.00000    2.28726  96.4%     -    0s
*  399   190              18      62.0000000   22.55556  63.6%  23.3    0s
H  451   198                      59.0000000   23.54545  60.1%  22.6    0s
*  539   217              14      57.0000000   28.00000  50.9%  22.4    0s

Cutting planes:
  Gomory: 1
  Mod-K: 3

Explored 6094 nodes (109798 simplex iterations) in 3.32 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.700000000000e+01, best bound 5.700000000000e+01, gap 0.0%