Gurobi 5.0.1 (linux64) logging started Sat Nov 17 02:12:16 2012

Optimize a model with 59295 rows, 47742 columns and 224538 nonzeros
Presolve removed 454 rows and 3490 columns
Presolve time: 4.13s
Presolved: 58841 rows, 44252 columns, 219420 nonzeros
Variable types: 0 continuous, 44252 integer (44252 binary)
Found heuristic solution: objective 218.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   35544    3.0001165e+00   5.080000e+02   0.000000e+00      5s
   44979    3.0001548e+00   2.208723e+01   0.000000e+00     10s
   49773    3.0001581e+00   7.246089e+01   0.000000e+00     15s
   54003    3.0001601e+00   5.683627e+01   0.000000e+00     20s
   58092    3.0001621e+00   1.540130e+02   0.000000e+00     25s
   62040    3.0001637e+00   6.919980e+01   0.000000e+00     30s
   65988    3.0001655e+00   4.245541e+00   0.000000e+00     35s
   69002    3.0000000e+00   0.000000e+00   0.000000e+00     39s

Root relaxation: objective 3.000000e+00, 69002 iterations, 38.88 seconds
Total elapsed time = 70.16s

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

     0     0    3.00000    0   78  218.00000    3.00000  98.6%     -   71s
H    0     0                       3.0000000    3.00000   0.0%     -   72s

Explored 0 nodes (122203 simplex iterations) in 72.06 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%