Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:08:23 2012

Optimize a model with 429 rows, 419 columns and 1489 nonzeros
Presolve removed 0 rows and 22 columns
Presolve time: 0.00s
Presolved: 429 rows, 397 columns, 1467 nonzeros
Variable types: 0 continuous, 397 integer (396 binary)
Found heuristic solution: objective 68.0000000

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  168   68.00000    0.00000   100%     -    0s
H    0     0                      53.0000000    0.00000   100%     -    0s
H    0     0                      49.0000000    0.00000   100%     -    0s
     0     0    0.30844    0  169   49.00000    0.30844  99.4%     -    0s
H    0     0                      46.0000000    0.30844  99.3%     -    0s
H    0     0                      29.0000000    0.30844  98.9%     -    0s
     0     0    1.00000    0  173   29.00000    1.00000  96.6%     -    0s
H    0     0                      22.0000000    1.00000  95.5%     -    0s
     0     0    1.00000    0  172   22.00000    1.00000  95.5%     -    0s
     0     2    1.00000    0  171   22.00000    1.00000  95.5%     -    0s
H   54    39                      13.0000000    1.00000  92.3%  22.9    0s
*   81    30              18      12.0000000    1.00000  91.7%  22.8    0s

Cutting planes:
  Gomory: 3

Explored 603 nodes (14085 simplex iterations) in 0.61 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.200000000000e+01, best bound 1.200000000000e+01, gap 0.0%