Gurobi 5.0.1 (linux64) logging started Sat Nov 17 04:08:23 2012

Optimize a model with 60703 rows, 50400 columns and 231390 nonzeros
Presolve removed 898 rows and 2 columns
Presolve time: 4.52s
Presolved: 60029 rows, 50398 columns, 278792 nonzeros
Variable types: 0 continuous, 50398 integer (50398 binary)
Found heuristic solution: objective 224.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   35855    3.0000845e+00   3.586957e+01   0.000000e+00      5s
   41109    3.0000928e+00   3.490973e+02   0.000000e+00     10s
   44943    3.0000963e+00   1.275078e+02   0.000000e+00     15s
   48635    3.0000989e+00   4.814724e+01   0.000000e+00     20s
   52327    3.0001015e+00   1.285718e+02   0.000000e+00     25s
   56161    3.0001048e+00   1.061939e+01   0.000000e+00     30s
   59569    3.0001071e+00   9.434345e+00   0.000000e+00     35s
   62835    3.0001079e+00   9.799690e+00   0.000000e+00     40s
   64329    3.0000000e+00   0.000000e+00   0.000000e+00     42s

Root relaxation: objective 3.000000e+00, 64329 iterations, 42.17 seconds
Total elapsed time = 88.76s
Total elapsed time = 90.25s

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

     0     0    3.00000    0   84  224.00000    3.00000  98.7%     -   90s
H    0     0                       3.0000000    3.00000   0.0%     -   90s

Explored 0 nodes (129138 simplex iterations) in 90.73 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%