Gurobi 5.0.1 (linux64) logging started Sat Nov 17 01:04:18 2012

Optimize a model with 46208 rows, 44732 columns and 182302 nonzeros
Presolve removed 876 rows and 6332 columns
Presolve time: 1.17s
Presolved: 45332 rows, 38400 columns, 173432 nonzeros
Variable types: 0 continuous, 38400 integer (38400 binary)
Found heuristic solution: objective 211.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   26593    3.0000817e+00   1.194525e+02   0.000000e+00      5s
   31343    3.0000862e+00   1.459551e+01   0.000000e+00     10s
   36179    3.0000000e+00   0.000000e+00   0.000000e+00     15s

Root relaxation: objective 3.000000e+00, 36179 iterations, 15.05 seconds
Total elapsed time = 44.37s
Total elapsed time = 51.29s
Total elapsed time = 57.38s

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

     0     0    3.00000    0   51  211.00000    3.00000  98.6%     -   57s
H    0     0                       3.0000000    3.00000   0.0%     -   57s

Explored 0 nodes (103146 simplex iterations) in 57.98 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%