Gurobi 5.0.1 (linux64) logging started Sat Nov 17 10:15:52 2012

Optimize a model with 76194 rows, 60270 columns and 287628 nonzeros
Presolve removed 991 rows and 2695 columns (presolve time = 5s) ...
Presolve removed 993 rows and 2697 columns
Presolve time: 6.33s
Presolved: 75201 rows, 57573 columns, 281869 nonzeros
Variable types: 0 continuous, 57573 integer (57573 binary)
Found heuristic solution: objective 245.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   39273    3.0001300e+00   2.141000e+02   0.000000e+00      5s
   44256    3.0001624e+00   1.181923e+02   0.000000e+00     10s
   51938    3.0001797e+00   1.645145e+02   0.000000e+00     15s
   55392    3.0001811e+00   1.220836e+02   0.000000e+00     20s
   58689    3.0001826e+00   8.462246e+01   0.000000e+00     25s
   62143    3.0001842e+00   1.262759e+01   0.000000e+00     30s
   65597    3.0001857e+00   7.354864e+01   0.000000e+00     35s
   69051    3.0001874e+00   2.218685e+02   0.000000e+00     40s
   72505    3.0001890e+00   7.331871e+01   0.000000e+00     45s
   75802    3.0001909e+00   6.263806e+00   0.000000e+00     50s
   79413    3.0001922e+00   1.383733e+02   0.000000e+00     55s
   81866    3.0000000e+00   0.000000e+00   0.000000e+00     59s

Root relaxation: objective 3.000000e+00, 81866 iterations, 58.72 seconds

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

*    0     0               0       3.0000000    3.00000   0.0%     -  115s

Explored 0 nodes (125084 simplex iterations) in 115.38 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%