Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:08:24 2012

Optimize a model with 479 rows, 444 columns and 1639 nonzeros
Presolve removed 0 rows and 21 columns
Presolve time: 0.00s
Presolved: 479 rows, 423 columns, 1618 nonzeros
Variable types: 0 continuous, 423 integer (422 binary)
Found heuristic solution: objective 97.0000000

Root relaxation: objective 0.000000e+00, 252 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                      58.0000000    0.00000   100%     -    0s
     0     0    0.41873    0  181   58.00000    0.41873  99.3%     -    0s
H    0     0                      53.0000000    0.41873  99.2%     -    0s
     0     0    0.95551    0  186   53.00000    0.95551  98.2%     -    0s
H    0     0                      46.0000000    0.95551  97.9%     -    0s
     0     0    0.95570    0  186   46.00000    0.95570  97.9%     -    0s
     0     0    0.95570    0  186   46.00000    0.95570  97.9%     -    0s
H    0     0                      43.0000000    0.95570  97.8%     -    0s
H    0     0                      42.0000000    0.95570  97.7%     -    0s
     0     2    0.95570    0  185   42.00000    0.95570  97.7%     -    0s
*   76    47              47      23.0000000    1.00000  95.7%  29.8    0s
*  132    66              36      20.0000000    1.00000  95.0%  27.6    0s
H  380   170                      19.0000000    1.20647  93.7%  34.5    0s
H  939   183                      18.0000000   11.20968  37.7%  33.2    2s

Cutting planes:
  Gomory: 10

Explored 1409 nodes (39538 simplex iterations) in 2.69 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.800000000000e+01, best bound 1.800000000000e+01, gap 0.0%