Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:56:52 2012

Optimize a model with 257 rows, 152 columns and 792 nonzeros
Presolve time: 0.00s
Presolved: 257 rows, 152 columns, 792 nonzeros
Variable types: 0 continuous, 152 integer (152 binary)
Found heuristic solution: objective 69.0000000
Found heuristic solution: objective 66.0000000

Root relaxation: objective 0.000000e+00, 45 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
H    0     0                      63.0000000    0.00000   100%     -    0s
H    0     0                      62.0000000    0.00000   100%     -    0s
H    0     0                      58.0000000    0.00000   100%     -    0s
     0     0    0.54545    0   25   58.00000    0.54545  99.1%     -    0s
     0     0    1.28791    0   34   58.00000    1.28791  97.8%     -    0s
     0     0    1.34885    0   45   58.00000    1.34885  97.7%     -    0s
     0     0    1.42424    0   27   58.00000    1.42424  97.5%     -    0s
     0     0    1.46212    0   27   58.00000    1.46212  97.5%     -    0s
     0     0    1.50000    0   25   58.00000    1.50000  97.4%     -    0s
H    0     0                      47.0000000    1.50000  96.8%     -    0s
     0     0    1.50000    0   25   47.00000    1.50000  96.8%     -    0s
     0     0    1.50000    0   25   47.00000    1.50000  96.8%     -    0s
     0     2    1.67069    0   25   47.00000    1.67069  96.4%     -    0s

Cutting planes:
  Gomory: 2
  Mod-K: 4

Explored 2764 nodes (51951 simplex iterations) in 1.57 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.700000000000e+01, best bound 4.700000000000e+01, gap 0.0%