Gurobi 5.0.1 (linux64) logging started Sat Nov 17 20:27:13 2012

Optimize a model with 399 rows, 228 columns and 1223 nonzeros
Presolve time: 0.00s
Presolved: 399 rows, 228 columns, 1223 nonzeros
Variable types: 0 continuous, 228 integer (228 binary)
Found heuristic solution: objective 96.0000000

Root relaxation: objective 0.000000e+00, 61 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   29   96.00000    0.00000   100%     -    0s
H    0     0                      92.0000000    0.00000   100%     -    0s
     0     0    0.71618    0   31   92.00000    0.71618  99.2%     -    0s
     0     0    0.82228    0   31   92.00000    0.82228  99.1%     -    0s
H    0     0                      90.0000000    0.82228  99.1%     -    0s
     0     0    0.83439    0   44   90.00000    0.83439  99.1%     -    0s
     0     0    0.84881    0   31   90.00000    0.84881  99.1%     -    0s
     0     0    0.87533    0   31   90.00000    0.87533  99.0%     -    0s
     0     0    0.90186    0   31   90.00000    0.90186  99.0%     -    0s
     0     0    0.90186    0   31   90.00000    0.90186  99.0%     -    0s
     0     0    0.90186    0   31   90.00000    0.90186  99.0%     -    0s
     0     0    0.90186    0   31   90.00000    0.90186  99.0%     -    0s
H    0     0                      87.0000000    0.90186  99.0%     -    0s
     0     2    1.02804    0   31   87.00000    1.02804  98.8%     -    0s
*  240   157              18      85.0000000   18.81065  77.9%  37.2    0s
*  500   259              20      83.0000000   27.30769  67.1%  32.1    0s
* 1465   338              31      82.0000000   40.61538  50.5%  30.5    1s
* 1532   359              32      81.0000000   40.75481  49.7%  30.2    1s
* 3272   731              30      80.0000000   50.66667  36.7%  28.0    3s
  5104   968   62.25000   23  123   80.00000   55.50000  30.6%  26.9    5s
 12110  1277   76.00000   25  125   80.00000   64.50000  19.4%  24.2   10s
*12910  1195              31      79.0000000   65.00000  17.7%  24.0   10s

Cutting planes:
  Gomory: 1
  Mod-K: 4

Explored 20372 nodes (457103 simplex iterations) in 14.49 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.900000000000e+01, best bound 7.900000000000e+01, gap 0.0%