Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:29:55 2013

Optimize a model with 134137 rows, 8649 columns and 406503 nonzeros
Presolve removed 9656 rows and 4394 columns
Presolve time: 1.42s
Presolved: 124481 rows, 4255 columns, 376771 nonzeros
Variable types: 37 continuous, 4218 integer (4218 binary)
Found heuristic solution: objective 205954.00000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   30533    1.4868225e+05   0.000000e+00   7.527414e+06      5s
   40379    1.5442974e+05   0.000000e+00   0.000000e+00      6s
   40379    1.5442974e+05   0.000000e+00   0.000000e+00      6s

Root relaxation: objective 1.544297e+05, 40379 iterations, 6.41 seconds

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

     0     0 154429.742    0   15 205954.000 154429.742  25.0%     -    8s
H    0     0                    154459.00000 154429.742  0.02%     -    8s
H    0     0                    154452.00000 154429.742  0.01%     -    8s
H    0     0                    154446.00000 154429.742  0.01%     -    8s
     0     0 154430.905    0   27 154446.000 154430.905  0.01%     -    9s

Cutting planes:
  Gomory: 12
  Implied bound: 1
  MIR: 10
  Zero half: 3

Explored 0 nodes (40582 simplex iterations) in 9.24 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.544460000000e+05, best bound 1.544310000000e+05, gap 0.0097%