Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:55:57 2012

Optimize a model with 3474 rows, 117 columns and 6948 nonzeros
Presolve removed 2514 rows and 0 columns
Presolve time: 0.13s
Presolved: 960 rows, 117 columns, 6808 nonzeros
Variable types: 0 continuous, 117 integer (117 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.552523e+01, 494 iterations, 0.02 seconds

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

     0     0   15.52523    0  115    7.00000   15.52523   122%     -    0s
H    0     0                       8.0000000   15.52523  94.1%     -    0s
     0     0   15.23531    0  116    8.00000   15.23531  90.4%     -    0s
     0     0   15.18072    0  114    8.00000   15.18072  89.8%     -    0s
     0     0   15.13182    0  113    8.00000   15.13182  89.1%     -    0s
     0     0   15.10225    0  115    8.00000   15.10225  88.8%     -    0s
     0     0   15.09424    0  114    8.00000   15.09424  88.7%     -    0s
     0     0   15.08968    0  114    8.00000   15.08968  88.6%     -    0s
     0     0   15.08931    0  115    8.00000   15.08931  88.6%     -    1s
     0     0   15.08930    0  115    8.00000   15.08930  88.6%     -    1s
     0     0   15.08928    0  115    8.00000   15.08928  88.6%     -    1s
H    0     0                       9.0000000   15.08928  67.7%     -    1s
     0     2   15.08921    0  115    9.00000   15.08921  67.7%     -    1s
H  312    31                      10.0000000   11.76708  17.7%  67.7    3s

Cutting planes:
  Clique: 58
  Zero half: 2

Explored 344 nodes (22730 simplex iterations) in 3.17 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%