Gurobi 5.0.1 (linux64) logging started Sat Nov 17 01:38:56 2012

Optimize a model with 58049 rows, 46440 columns and 219513 nonzeros
Presolve removed 1951 rows and 3012 columns
Presolve time: 4.28s
Presolved: 56098 rows, 43428 columns, 211251 nonzeros
Variable types: 0 continuous, 43428 integer (43428 binary)
Found heuristic solution: objective 215.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   32820    3.0000861e+00   2.686667e+01   0.000000e+00      5s
   37381    3.0000912e+00   2.649977e+02   0.000000e+00     10s
   40969    3.0000945e+00   6.495197e+01   0.000000e+00     15s
   44419    3.0000973e+00   2.973658e+01   0.000000e+00     20s
   47869    3.0001003e+00   1.237048e+02   0.000000e+00     25s
   51181    3.0001026e+00   1.201152e+02   0.000000e+00     30s
   54493    3.0001056e+00   3.751302e+01   0.000000e+00     35s
   57667    3.0001079e+00   1.316058e+01   0.000000e+00     40s
   60979    3.0001119e+00   5.442155e+00   0.000000e+00     45s
   64015    3.0001162e+00   1.624216e+01   0.000000e+00     50s
   65405    3.0000000e+00   0.000000e+00   0.000000e+00     53s

Root relaxation: objective 3.000000e+00, 65405 iterations, 52.66 seconds
Total elapsed time = 109.55s
Total elapsed time = 115.05s

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

     0     0    3.00000    0   54  215.00000    3.00000  98.6%     -  124s
H    0     0                       3.0000000    3.00000   0.0%     -  125s

Explored 0 nodes (184353 simplex iterations) in 125.09 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%