Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:30:24 2012

Optimize a model with 5105 rows, 143 columns and 10210 nonzeros
Presolve removed 3729 rows and 0 columns
Presolve time: 0.21s
Presolved: 1376 rows, 143 columns, 10077 nonzeros
Variable types: 0 continuous, 143 integer (143 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.812291e+01, 678 iterations, 0.04 seconds

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

     0     0   18.12291    0  135    8.00000   18.12291   127%     -    0s
H    0     0                       9.0000000   18.12291   101%     -    0s
     0     0   17.64783    0  143    9.00000   17.64783  96.1%     -    0s
     0     0   17.56508    0  142    9.00000   17.56508  95.2%     -    0s
     0     0   17.54146    0  142    9.00000   17.54146  94.9%     -    0s
     0     0   17.53890    0  142    9.00000   17.53890  94.9%     -    1s
     0     0   17.53889    0  142    9.00000   17.53889  94.9%     -    1s
     0     2   17.53826    0  142    9.00000   17.53826  94.9%     -    1s
   464   274   12.23770   19   62    9.00000   15.10228  67.8%  78.2    5s
   610   329   14.23310   15  140    9.00000   14.23310  58.1%  75.7   10s
H  947   307                      10.0000000   13.83647  38.4%  94.7   14s
   987   311   11.39344   30   38   10.00000   13.83254  38.3%  93.3   15s

Cutting planes:
  Clique: 36

Explored 1774 nodes (124160 simplex iterations) in 19.29 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%