Gurobi 5.0.1 (linux64) logging started Sat Nov 17 06:32:30 2012

Optimize a model with 65141 rows, 53592 columns and 247861 nonzeros
Presolve removed 947 rows and 4853 columns
Presolve time: 4.83s
Presolved: 64194 rows, 48739 columns, 240144 nonzeros
Variable types: 0 continuous, 48739 integer (48739 binary)
Found heuristic solution: objective 231.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   36283    3.0001202e+00   1.571429e+02   0.000000e+00      5s
   42884    3.0001538e+00   7.152941e+01   0.000000e+00     10s
   50218    3.0001692e+00   4.610628e+01   0.000000e+00     15s
   53430    3.0001792e+00   1.755907e+01   0.000000e+00     20s
   56496    3.0001842e+00   2.521756e+01   0.000000e+00     25s
   59708    3.0001902e+00   3.071653e+01   0.000000e+00     30s
   62774    3.0001968e+00   3.114765e+01   0.000000e+00     35s
   66132    3.0002046e+00   8.114553e+00   0.000000e+00     40s
   69198    3.0002112e+00   2.960698e+01   0.000000e+00     45s
   72556    3.0002188e+00   4.819163e+02   0.000000e+00     50s
   75622    3.0002210e+00   5.826883e+01   0.000000e+00     55s
   75951    3.0000000e+00   0.000000e+00   0.000000e+00     56s

Root relaxation: objective 3.000000e+00, 75951 iterations, 55.84 seconds
Total elapsed time = 98.46s
Total elapsed time = 101.31s

    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%     -  105s

Explored 0 nodes (144730 simplex iterations) in 105.94 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%