Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:21:28 2013

Optimize a model with 109823 rows, 7569 columns and 333036 nonzeros
Presolve removed 6591 rows and 3812 columns
Presolve time: 1.21s
Presolved: 103232 rows, 3757 columns, 313890 nonzeros
Variable types: 50 continuous, 3707 integer (3707 binary)
Found heuristic solution: objective 160730.00000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   29243    9.5938383e+04   0.000000e+00   1.556686e+08      5s
   50695    1.1135097e+05   0.000000e+00   0.000000e+00      8s
   50695    1.1135097e+05   0.000000e+00   0.000000e+00      8s

Root relaxation: objective 1.113510e+05, 50695 iterations, 7.79 seconds

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

     0     0 111350.969    0    8 160730.000 111350.969  30.7%     -    9s
H    0     0                    111369.00000 111350.969  0.02%     -    9s
H    0     0                    111360.00000 111350.969  0.01%     -    9s

Explored 0 nodes (50872 simplex iterations) in 9.74 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.113600000000e+05, best bound 1.113510000000e+05, gap 0.0081%