Gurobi 5.0.1 (linux64) logging started Sun Nov 18 08:18:19 2012

Optimize a model with 555 rows, 513 columns and 1898 nonzeros
Presolve removed 0 rows and 20 columns
Presolve time: 0.00s
Presolved: 555 rows, 493 columns, 1878 nonzeros
Variable types: 0 continuous, 493 integer (492 binary)
Found heuristic solution: objective 105.0000000

Root relaxation: objective 0.000000e+00, 283 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  206  105.00000    0.00000   100%     -    0s
H    0     0                      78.0000000    0.00000   100%     -    0s
H    0     0                      75.0000000    0.00000   100%     -    0s
     0     0    0.26556    0  208   75.00000    0.26556   100%     -    0s
H    0     0                      66.0000000    0.26556   100%     -    0s
     0     0    0.76400    0  209   66.00000    0.76400  98.8%     -    0s
H    0     0                      52.0000000    0.76400  98.5%     -    0s
     0     0    0.76445    0  214   52.00000    0.76445  98.5%     -    0s
     0     0    0.76445    0  214   52.00000    0.76445  98.5%     -    0s
H    0     0                      49.0000000    0.76445  98.4%     -    0s
H    0     0                      48.0000000    0.76445  98.4%     -    0s
H    0     0                      47.0000000    0.76445  98.4%     -    0s
     0     2    0.76483    0  214   47.00000    0.76483  98.4%     -    0s
*   46    40              25      17.0000000    1.00000  94.1%  39.2    0s

Cutting planes:
  Gomory: 3
  Zero half: 1
  Mod-K: 1

Explored 1130 nodes (37675 simplex iterations) in 1.64 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%