Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:26:47 2012

Optimize a model with 4925 rows, 141 columns and 9850 nonzeros
Presolve removed 3518 rows and 0 columns
Presolve time: 0.20s
Presolved: 1407 rows, 141 columns, 10102 nonzeros
Variable types: 0 continuous, 141 integer (141 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.802808e+01, 684 iterations, 0.04 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   18.02808    0  136    8.00000   18.02808   125%     -    0s
H    0     0                       9.0000000   18.02808   100%     -    0s
     0     0   17.46630    0  138    9.00000   17.46630  94.1%     -    0s
     0     0   17.36408    0  140    9.00000   17.36408  92.9%     -    0s
     0     0   17.31935    0  139    9.00000   17.31935  92.4%     -    0s
     0     0   17.29768    0  139    9.00000   17.29768  92.2%     -    1s
     0     0   17.25465    0  139    9.00000   17.25465  91.7%     -    1s
     0     0   17.23846    0  139    9.00000   17.23846  91.5%     -    1s
H    0     0                      10.0000000   17.23846  72.4%     -    1s
     0     0   17.23533    0  140   10.00000   17.23533  72.4%     -    1s
     0     0   17.23493    0  140   10.00000   17.23493  72.3%     -    1s
H    0     0                      11.0000000   17.23493  56.7%     -    1s
     0     0   17.23482    0  140   11.00000   17.23482  56.7%     -    2s
     0     2   17.23418    0  140   11.00000   17.23418  56.7%     -    2s
   250    82   12.16979   20   58   11.00000   15.09750  37.3%   102    5s

Cutting planes:
  Clique: 139

Explored 351 nodes (36991 simplex iterations) in 5.92 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%