Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:44:39 2012

Optimize a model with 503 rows, 472 columns and 1727 nonzeros
Presolve removed 0 rows and 21 columns
Presolve time: 0.00s
Presolved: 503 rows, 451 columns, 1706 nonzeros
Variable types: 0 continuous, 451 integer (450 binary)
Found heuristic solution: objective 95.0000000

Root relaxation: objective 0.000000e+00, 272 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  195   95.00000    0.00000   100%     -    0s
H    0     0                      76.0000000    0.00000   100%     -    0s
H    0     0                      59.0000000    0.00000   100%     -    0s
     0     0    0.32298    0  197   59.00000    0.32298  99.5%     -    0s
H    0     0                      49.0000000    0.32298  99.3%     -    0s
H    0     0                      44.0000000    0.32298  99.3%     -    0s
     0     0    0.86635    0  200   44.00000    0.86635  98.0%     -    0s
H    0     0                      31.0000000    0.86635  97.2%     -    0s
     0     0    0.86677    0  201   31.00000    0.86677  97.2%     -    0s
     0     0    0.86677    0  201   31.00000    0.86677  97.2%     -    0s
     0     2    0.86744    0  201   31.00000    0.86744  97.2%     -    0s
*   66    48              41      19.0000000    0.93353  95.1%  24.2    0s
*   95    57              22      18.0000000    1.00000  94.4%  27.7    0s
*  116    54              12      16.0000000    1.00000  93.8%  30.3    0s
H  202    96                      15.0000000    1.90811  87.3%  40.2    0s

Cutting planes:
  Gomory: 4
  Zero half: 1
  Mod-K: 1

Explored 1167 nodes (46324 simplex iterations) in 1.75 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.500000000000e+01, best bound 1.500000000000e+01, gap 0.0%