Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:05:22 2012

Optimize a model with 455 rows, 429 columns and 1564 nonzeros
Presolve removed 0 rows and 15 columns
Presolve time: 0.00s
Presolved: 455 rows, 414 columns, 1549 nonzeros
Variable types: 0 continuous, 414 integer (413 binary)
Found heuristic solution: objective 97.0000000

Root relaxation: objective 0.000000e+00, 238 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  179   97.00000    0.00000   100%     -    0s
H    0     0                      57.0000000    0.00000   100%     -    0s
H    0     0                      56.0000000    0.00000   100%     -    0s
     0     0    0.29323    0  181   56.00000    0.29323  99.5%     -    0s
H    0     0                      37.0000000    0.29323  99.2%     -    0s
     0     0    0.85535    0  185   37.00000    0.85535  97.7%     -    0s
H    0     0                      26.0000000    0.85535  96.7%     -    0s
     0     0    0.85538    0  189   26.00000    0.85538  96.7%     -    0s
     0     0    0.85538    0  189   26.00000    0.85538  96.7%     -    0s
     0     2    0.85694    0  186   26.00000    0.85694  96.7%     -    0s
H   27    27                      19.0000000    1.00000  94.7%  41.7    0s
H   54    54                      14.0000000    1.00000  92.9%  27.1    0s
H   81    55                      13.0000000    1.00000  92.3%  27.9    0s

Cutting planes:
  Gomory: 4
  Mod-K: 3

Explored 1564 nodes (38123 simplex iterations) in 1.77 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%