Gurobi 5.0.1 (linux64) logging started Sat Nov 17 20:07:21 2012

Optimize a model with 347 rows, 200 columns and 1065 nonzeros
Presolve time: 0.00s
Presolved: 347 rows, 200 columns, 1065 nonzeros
Variable types: 0 continuous, 200 integer (200 binary)
Found heuristic solution: objective 94.0000000
Found heuristic solution: objective 91.0000000

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   27   91.00000    0.00000   100%     -    0s
H    0     0                      88.0000000    0.00000   100%     -    0s
H    0     0                      86.0000000    0.00000   100%     -    0s
     0     0    0.73405    0   42   86.00000    0.73405  99.1%     -    0s
H    0     0                      78.0000000    0.73405  99.1%     -    0s
     0     0    0.73789    0   29   78.00000    0.73789  99.1%     -    0s
     0     0    0.75783    0   29   78.00000    0.75783  99.0%     -    0s
     0     0    0.77778    0   29   78.00000    0.77778  99.0%     -    0s
     0     0    0.77778    0   29   78.00000    0.77778  99.0%     -    0s
     0     0    0.77778    0   29   78.00000    0.77778  99.0%     -    0s
     0     0    0.77778    0   29   78.00000    0.77778  99.0%     -    0s
     0     2    0.77990    0   29   78.00000    0.77990  99.0%     -    0s
*  161   117              14      73.0000000   16.57143  77.3%  37.4    0s
H  219   135                      68.0000000   17.75148  73.9%  35.4    0s
  6915   323   63.87500   21  114   68.00000   56.00000  17.6%  22.8    5s

Cutting planes:
  Gomory: 1
  Zero half: 4

Explored 8565 nodes (188534 simplex iterations) in 5.96 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.800000000000e+01, best bound 6.800000000000e+01, gap 0.0%