Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:15:56 2012

Optimize a model with 459 rows, 440 columns and 1585 nonzeros
Presolve removed 0 rows and 25 columns
Presolve time: 0.00s
Presolved: 459 rows, 415 columns, 1560 nonzeros
Variable types: 0 continuous, 415 integer (414 binary)
Found heuristic solution: objective 80.0000000

Root relaxation: objective 0.000000e+00, 262 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  174   80.00000    0.00000   100%     -    0s
H    0     0                      45.0000000    0.00000   100%     -    0s
     0     0    0.32225    0  176   45.00000    0.32225  99.3%     -    0s
H    0     0                      43.0000000    0.32225  99.3%     -    0s
H    0     0                      38.0000000    0.32225  99.2%     -    0s
     0     0    0.73367    0  184   38.00000    0.73367  98.1%     -    0s
H    0     0                      37.0000000    0.73367  98.0%     -    0s
     0     0    0.73405    0  183   37.00000    0.73405  98.0%     -    0s
     0     0    0.73405    0  183   37.00000    0.73405  98.0%     -    0s
H    0     0                      32.0000000    0.73405  97.7%     -    0s
     0     2    0.73768    0  182   32.00000    0.73768  97.7%     -    0s
H   27    27                      25.0000000    1.00000  96.0%  30.4    0s
H   54    48                      16.0000000    1.00000  93.8%  22.9    0s
H  103    34                      13.0000000    1.00000  92.3%  27.1    0s

Cutting planes:
  Gomory: 4
  Zero half: 1

Explored 899 nodes (25781 simplex iterations) in 0.97 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%