Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:59:04 2012

Optimize a model with 3682 rows, 121 columns and 7364 nonzeros
Presolve removed 2681 rows and 0 columns
Presolve time: 0.13s
Presolved: 1001 rows, 121 columns, 7150 nonzeros
Variable types: 0 continuous, 121 integer (121 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.576236e+01, 548 iterations, 0.03 seconds

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

     0     0   15.76236    0  116    7.00000   15.76236   125%     -    0s
H    0     0                       8.0000000   15.76236  97.0%     -    0s
     0     0   15.44314    0  120    8.00000   15.44314  93.0%     -    0s
     0     0   15.30227    0  117    8.00000   15.30227  91.3%     -    0s
H    0     0                       9.0000000   15.30227  70.0%     -    0s
     0     0   15.25501    0  120    9.00000   15.25501  69.5%     -    0s
     0     0   15.22384    0  121    9.00000   15.22384  69.2%     -    0s
     0     0   15.20734    0  121    9.00000   15.20734  69.0%     -    0s
     0     0   15.20187    0  121    9.00000   15.20187  68.9%     -    1s
     0     0   15.20064    0  121    9.00000   15.20064  68.9%     -    1s
     0     0   15.20063    0  121    9.00000   15.20063  68.9%     -    1s
     0     2   15.20014    0  121    9.00000   15.20014  68.9%     -    1s
H  111    58                      10.0000000   14.66838  46.7%  75.3    2s

Cutting planes:
  Clique: 91

Explored 238 nodes (18341 simplex iterations) in 3.07 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%