Gurobi 5.0.1 (linux64) logging started Fri Nov 16 23:47:30 2012

Optimize a model with 42629 rows, 41412 columns and 168285 nonzeros
Presolve removed 429 rows and 4265 columns
Presolve time: 1.04s
Presolved: 42200 rows, 37147 columns, 162591 nonzeros
Variable types: 0 continuous, 37147 integer (37147 binary)
Found heuristic solution: objective 203.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   30785    3.0000756e+00   4.826933e+01   0.000000e+00      5s
   36244    3.0000000e+00   0.000000e+00   0.000000e+00      8s

Root relaxation: objective 3.000000e+00, 36244 iterations, 8.23 seconds
Total elapsed time = 21.62s

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

     0     0    3.00000    0   36  203.00000    3.00000  98.5%     -   22s
H    0     0                       3.0000000    3.00000   0.0%     -   22s

Explored 0 nodes (81695 simplex iterations) in 22.54 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%