Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:59:07 2012

Optimize a model with 297 rows, 173 columns and 913 nonzeros
Presolve time: 0.00s
Presolved: 297 rows, 173 columns, 913 nonzeros
Variable types: 0 continuous, 173 integer (173 binary)
Found heuristic solution: objective 72.0000000

Root relaxation: objective 0.000000e+00, 55 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   25   72.00000    0.00000   100%     -    0s
H    0     0                      65.0000000    0.00000   100%     -    0s
     0     0    1.14352    0   36   65.00000    1.14352  98.2%     -    0s
H    0     0                      61.0000000    1.14352  98.1%     -    0s
     0     0    1.24838    0   37   61.00000    1.24838  98.0%     -    0s
     0     0    1.24838    0   37   61.00000    1.24838  98.0%     -    0s
     0     0    1.29708    0   37   61.00000    1.29708  97.9%     -    0s
     0     0    1.29708    0   37   61.00000    1.29708  97.9%     -    0s
     0     0    1.29708    0   37   61.00000    1.29708  97.9%     -    0s
     0     0    1.29708    0   37   61.00000    1.29708  97.9%     -    0s
     0     2    1.55000    0   37   61.00000    1.55000  97.5%     -    0s
*  282    97              16      60.0000000   20.70833  65.5%  26.9    0s
*  521   163              12      57.0000000   30.50000  46.5%  25.3    0s

Cutting planes:
  Gomory: 1
  Mod-K: 5

Explored 4346 nodes (83359 simplex iterations) in 2.65 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%