Gurobi 5.0.1 (linux64) logging started Sat Nov 17 06:05:25 2012

Optimize a model with 61409 rows, 53130 columns and 236208 nonzeros
Presolve removed 488 rows and 5982 columns
Presolve time: 1.51s
Presolved: 60921 rows, 47148 columns, 228548 nonzeros
Variable types: 0 continuous, 47148 integer (47148 binary)
Found heuristic solution: objective 230.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   36366    3.0000862e+00   2.948214e+01   0.000000e+00      5s
   43822    3.0000913e+00   3.682082e+01   0.000000e+00     10s
   47826    3.0000949e+00   1.616250e+02   0.000000e+00     15s
   51830    3.0000986e+00   1.504939e+02   0.000000e+00     20s
   55405    3.0001016e+00   7.429717e+01   0.000000e+00     25s
   58980    3.0001046e+00   1.786442e+02   0.000000e+00     30s
   62555    3.0001075e+00   3.791683e+01   0.000000e+00     35s
   65844    3.0001098e+00   7.135000e+02   0.000000e+00     40s
   68990    3.0001122e+00   3.592056e+00   0.000000e+00     45s
   72136    3.0001136e+00   4.836150e-01   0.000000e+00     50s
   72323    3.0000000e+00   0.000000e+00   0.000000e+00     50s

Root relaxation: objective 3.000000e+00, 72323 iterations, 50.42 seconds
Total elapsed time = 97.23s
Total elapsed time = 100.57s

    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%     -  102s

Explored 0 nodes (151243 simplex iterations) in 102.92 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%