Gurobi 5.0.1 (linux64) logging started Sat Nov 17 11:06:46 2012

Optimize a model with 74895 rows, 61752 columns and 285198 nonzeros
Presolve removed 523 rows and 6696 columns (presolve time = 5s) ...
Presolve removed 525 rows and 6698 columns
Presolve time: 6.47s
Presolved: 74370 rows, 55054 columns, 276662 nonzeros
Variable types: 0 continuous, 55054 integer (55054 binary)
Found heuristic solution: objective 248.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   40085    3.0000847e+00   5.300000e+01   0.000000e+00      5s
   45985    3.0000993e+00   9.266093e+01   0.000000e+00     10s
   49105    3.0001015e+00   2.269375e+02   0.000000e+00     15s
   52381    3.0001044e+00   1.003125e+02   0.000000e+00     20s
   55657    3.0001069e+00   1.623330e+01   0.000000e+00     25s
   58777    3.0001092e+00   1.265774e+01   0.000000e+00     30s
   62053    3.0001116e+00   2.696336e+01   0.000000e+00     35s
   64455    3.0000000e+00   0.000000e+00   0.000000e+00     39s

Root relaxation: objective 3.000000e+00, 64455 iterations, 38.81 seconds
Total elapsed time = 103.25s
Total elapsed time = 108.70s

    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%     -  111s

Explored 0 nodes (157003 simplex iterations) in 111.77 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%