Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:10:19 2012

Optimize a model with 455 rows, 434 columns and 1569 nonzeros
Presolve removed 0 rows and 22 columns
Presolve time: 0.00s
Presolved: 455 rows, 412 columns, 1547 nonzeros
Variable types: 0 continuous, 412 integer (411 binary)
Found heuristic solution: objective 88.0000000

Root relaxation: objective 0.000000e+00, 228 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  180   88.00000    0.00000   100%     -    0s
H    0     0                      65.0000000    0.00000   100%     -    0s
H    0     0                      57.0000000    0.00000   100%     -    0s
     0     0    0.27297    0  182   57.00000    0.27297   100%     -    0s
H    0     0                      50.0000000    0.27297  99.5%     -    0s
     0     0    0.80076    0  185   50.00000    0.80076  98.4%     -    0s
H    0     0                      38.0000000    0.80076  97.9%     -    0s
H    0     0                      34.0000000    0.80076  97.6%     -    0s
     0     0    0.80076    0  185   34.00000    0.80076  97.6%     -    0s
H    0     0                      33.0000000    0.80076  97.6%     -    0s
H    0     0                      31.0000000    0.80076  97.4%     -    0s
     0     2    0.80408    0  185   31.00000    0.80408  97.4%     -    0s
H   27    27                      29.0000000    1.00000  96.6%  48.3    0s
*   54    37              33      15.0000000    1.00000  93.3%  29.9    0s
H  133    61                      13.0000000    1.00000  92.3%  36.2    0s

Cutting planes:
  Gomory: 4
  Mod-K: 2

Explored 1421 nodes (49294 simplex iterations) in 1.93 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.300000000000e+01, best bound 1.300000000000e+01, gap 0.0%