Gurobi 5.0.1 (linux64) logging started Sat Nov 17 05:20:23 2012

Optimize a model with 59963 rows, 52212 columns and 230962 nonzeros
Presolve removed 914 rows and 2 columns
Presolve time: 1.67s
Presolved: 59277 rows, 52210 columns, 280148 nonzeros
Variable types: 0 continuous, 52210 integer (52210 binary)
Found heuristic solution: objective 228.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   28806    3.0000853e+00   2.482353e+01   0.000000e+00      5s
   32966    3.0000875e+00   1.760987e+02   0.000000e+00     10s
   36209    3.0000902e+00   1.202913e+02   0.000000e+00     15s
   39311    3.0000929e+00   2.986401e+01   0.000000e+00     20s
   42554    3.0000959e+00   8.832527e+00   0.000000e+00     25s
   46079    3.0000997e+00   7.635860e+00   0.000000e+00     30s
   49463    3.0001040e+00   3.733224e+00   0.000000e+00     35s
   50213    3.0000000e+00   0.000000e+00   0.000000e+00     36s

Root relaxation: objective 3.000000e+00, 50213 iterations, 36.03 seconds
Total elapsed time = 64.66s
Total elapsed time = 65.68s

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

     0     0    3.00000    0   56  228.00000    3.00000  98.7%     -   67s
H    0     0                       3.0000000    3.00000   0.0%     -   67s

Explored 0 nodes (117199 simplex iterations) in 67.92 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%