Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:11:17 2012

Optimize a model with 461 rows, 438 columns and 1588 nonzeros
Presolve removed 0 rows and 15 columns
Presolve time: 0.00s
Presolved: 461 rows, 423 columns, 1573 nonzeros
Variable types: 0 continuous, 423 integer (422 binary)
Found heuristic solution: objective 84.0000000

Root relaxation: objective 0.000000e+00, 224 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  172   84.00000    0.00000   100%     -    0s
H    0     0                      72.0000000    0.00000   100%     -    0s
H    0     0                      63.0000000    0.00000   100%     -    0s
H    0     0                      60.0000000    0.00000   100%     -    0s
H    0     0                      57.0000000    0.00000   100%     -    0s
     0     0    0.26063    0  174   57.00000    0.26063   100%     -    0s
H    0     0                      54.0000000    0.26063   100%     -    0s
H    0     0                      52.0000000    0.26063  99.5%     -    0s
H    0     0                      49.0000000    0.26063  99.5%     -    0s
     0     0    0.84394    0  181   49.00000    0.84394  98.3%     -    0s
H    0     0                      45.0000000    0.84394  98.1%     -    0s
H    0     0                      43.0000000    0.84394  98.0%     -    0s
H    0     0                      41.0000000    0.84394  97.9%     -    0s
     0     2    0.85536    0  181   41.00000    0.85536  97.9%     -    0s
*   24    20              14      12.0000000    1.00000  91.7%  43.5    0s
*   97    30              20      10.0000000    3.44828  65.5%  34.8    0s

Cutting planes:
  Gomory: 4

Explored 188 nodes (7184 simplex iterations) in 0.41 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%