Gurobi 5.0.1 (linux64) logging started Fri Nov 16 23:56:11 2012

Optimize a model with 45899 rows, 41820 columns and 178498 nonzeros
Presolve removed 430 rows and 4082 columns
Presolve time: 1.11s
Presolved: 45469 rows, 37738 columns, 172952 nonzeros
Variable types: 0 continuous, 37738 integer (37738 binary)
Found heuristic solution: objective 204.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   28421    3.0000779e+00   1.134091e+01   0.000000e+00      5s
   34296    3.0000800e+00   2.201156e+01   0.000000e+00     10s
   36617    3.0000000e+00   0.000000e+00   0.000000e+00     12s

Root relaxation: objective 3.000000e+00, 36617 iterations, 11.85 seconds
Total elapsed time = 30.82s

    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%     -   32s

Explored 0 nodes (93259 simplex iterations) in 32.52 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%