Gurobi 5.0.1 (linux64) logging started Sat Nov 17 04:09:56 2012

Optimize a model with 61823 rows, 50400 columns and 234750 nonzeros
Presolve removed 1122 rows and 2 columns
Presolve time: 4.63s
Presolved: 60925 rows, 50398 columns, 281696 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
   33496    3.0000772e+00   3.525000e+01   0.000000e+00      5s
   40429    3.0000954e+00   3.186245e+01   0.000000e+00     10s
   44576    3.0000994e+00   2.143808e+02   0.000000e+00     15s
   48008    3.0001019e+00   5.815572e+02   0.000000e+00     20s
   51583    3.0001044e+00   1.922115e+02   0.000000e+00     25s
   55158    3.0001075e+00   9.109174e+01   0.000000e+00     30s
   58447    3.0001104e+00   8.993563e+01   0.000000e+00     35s
   62022    3.0001129e+00   1.152080e+01   0.000000e+00     40s
   65311    3.0001153e+00   4.521468e+00   0.000000e+00     45s
   68743    3.0001183e+00   9.726861e+00   0.000000e+00     50s
   70770    3.0000000e+00   0.000000e+00   0.000000e+00     53s

Root relaxation: objective 3.000000e+00, 70770 iterations, 53.17 seconds
Total elapsed time = 111.21s
Total elapsed time = 116.56s
Total elapsed time = 120.74s

    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%     -  129s

Explored 0 nodes (186356 simplex iterations) in 129.46 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%