Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:49:42 2012

Optimize a model with 52709 rows, 44310 columns and 201388 nonzeros
Presolve removed 1293 rows and 6512 columns
Presolve time: 1.49s
Presolved: 51416 rows, 37798 columns, 191238 nonzeros
Variable types: 0 continuous, 37798 integer (37798 binary)
Found heuristic solution: objective 210.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   29722    3.0000727e+00   1.711845e+01   0.000000e+00      5s
   34870    3.0000784e+00   1.007622e+02   0.000000e+00     10s
   38830    3.0000817e+00   3.333966e+02   0.000000e+00     15s
   42922    3.0000848e+00   8.491926e+01   0.000000e+00     20s
   46486    3.0000873e+00   7.582179e+01   0.000000e+00     25s
   49918    3.0000891e+00   8.971482e+01   0.000000e+00     30s
   53482    3.0000915e+00   2.144385e+01   0.000000e+00     35s
   56650    3.0000936e+00   1.213387e+01   0.000000e+00     40s
   59950    3.0000966e+00   7.801953e+00   0.000000e+00     45s
   63118    3.0000997e+00   6.628588e+02   0.000000e+00     50s
   64892    3.0000000e+00   0.000000e+00   0.000000e+00     52s

Root relaxation: objective 3.000000e+00, 64892 iterations, 51.99 seconds
Total elapsed time = 93.14s
Total elapsed time = 103.26s
Total elapsed time = 105.22s

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

     0     0    3.00000    0  230  210.00000    3.00000  98.6%     -  109s
H    0     0                       3.0000000    3.00000   0.0%     -  109s

Explored 0 nodes (170812 simplex iterations) in 109.34 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%