Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:57:58 2012

Optimize a model with 3643 rows, 120 columns and 7286 nonzeros
Presolve removed 2606 rows and 0 columns
Presolve time: 0.12s
Presolved: 1037 rows, 120 columns, 7383 nonzeros
Variable types: 0 continuous, 120 integer (120 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.573147e+01, 498 iterations, 0.02 seconds

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

     0     0   15.73147    0  116    7.00000   15.73147   125%     -    0s
H    0     0                       9.0000000   15.73147  74.8%     -    0s
     0     0   15.29183    0  118    9.00000   15.29183  69.9%     -    0s
     0     0   15.23287    0  120    9.00000   15.23287  69.3%     -    0s
     0     0   15.20281    0  119    9.00000   15.20281  68.9%     -    0s
     0     0   15.16336    0  120    9.00000   15.16336  68.5%     -    0s
     0     0   15.14519    0  119    9.00000   15.14519  68.3%     -    1s
     0     0   15.14354    0  119    9.00000   15.14354  68.3%     -    1s
     0     0   15.14284    0  119    9.00000   15.14284  68.3%     -    1s
     0     0   15.14199    0  119    9.00000   15.14199  68.2%     -    1s
     0     0   15.14123    0  119    9.00000   15.14123  68.2%     -    1s
     0     2   15.13883    0  119    9.00000   15.13883  68.2%     -    2s

Cutting planes:
  Clique: 86

Explored 472 nodes (30965 simplex iterations) in 4.12 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%