Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:19:04 2012

Optimize a model with 221 rows, 171 columns and 721 nonzeros
Presolve time: 0.00s
Presolved: 221 rows, 171 columns, 721 nonzeros
Variable types: 0 continuous, 171 integer (171 binary)
Found heuristic solution: objective 46.0000000

Root relaxation: objective 0.000000e+00, 90 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   61   46.00000    0.00000   100%     -    0s
H    0     0                      45.0000000    0.00000   100%     -    0s
H    0     0                      41.0000000    0.00000   100%     -    0s
     0     0    0.50820    0   62   41.00000    0.50820  98.8%     -    0s
H    0     0                      40.0000000    0.50820  98.7%     -    0s
     0     0    1.22838    0   64   40.00000    1.22838  96.9%     -    0s
H    0     0                      38.0000000    1.22838  96.8%     -    0s
     0     0    1.40515    0   65   38.00000    1.40515  96.3%     -    0s
H    0     0                      28.0000000    1.40515  95.0%     -    0s
H    0     0                      27.0000000    1.40515  94.8%     -    0s
     0     2    1.42192    0   65   27.00000    1.42192  94.7%     -    0s
*   40    38              26      26.0000000    2.68885  89.7%  23.4    0s
*   89    39              12      17.0000000    4.19151  75.3%  25.4    0s

Cutting planes:
  Gomory: 4

Explored 572 nodes (14642 simplex iterations) in 0.42 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.700000000000e+01, best bound 1.700000000000e+01, gap 0.0%