Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:44:43 2012

Optimize a model with 515 rows, 478 columns and 1763 nonzeros
Presolve removed 0 rows and 18 columns
Presolve time: 0.00s
Presolved: 515 rows, 460 columns, 1745 nonzeros
Variable types: 0 continuous, 460 integer (459 binary)
Found heuristic solution: objective 95.0000000

Root relaxation: objective 0.000000e+00, 260 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  193   95.00000    0.00000   100%     -    0s
H    0     0                      61.0000000    0.00000   100%     -    0s
     0     0    0.29566    0  195   61.00000    0.29566   100%     -    0s
H    0     0                      51.0000000    0.29566  99.4%     -    0s
     0     0    0.83369    0  198   51.00000    0.83369  98.4%     -    0s
H    0     0                      39.0000000    0.83369  97.9%     -    0s
     0     0    0.83369    0  198   39.00000    0.83369  97.9%     -    0s
     0     2    0.84328    0  198   39.00000    0.84328  97.8%     -    0s
H   27    27                      34.0000000    1.00000  97.1%  45.0    0s
H   81    40                      21.0000000    1.00000  95.2%  25.0    0s
*  114    45              23      18.0000000    1.07783  94.0%  27.6    0s
*  135    51              15      17.0000000    1.25046  92.6%  29.8    0s

Cutting planes:
  Gomory: 4
  Zero half: 1

Explored 1369 nodes (40470 simplex iterations) in 1.88 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.700000000000e+01, best bound 1.700000000000e+01, gap 0.0%