Gurobi 5.0.1 (linux64) logging started Fri Nov 16 23:46:35 2012

Optimize a model with 43644 rows, 41412 columns and 171330 nonzeros
Presolve removed 840 rows and 5280 columns
Presolve time: 1.11s
Presolved: 42804 rows, 36132 columns, 163600 nonzeros
Variable types: 0 continuous, 36132 integer (36132 binary)
Found heuristic solution: objective 203.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   29991    3.0000765e+00   1.462074e+01   0.000000e+00      5s
   35237    3.0000828e+00   3.051657e+01   0.000000e+00     10s
   39082    3.0000000e+00   0.000000e+00   0.000000e+00     14s

Root relaxation: objective 3.000000e+00, 39082 iterations, 13.80 seconds
Total elapsed time = 37.71s
Total elapsed time = 41.45s

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

     0     0    3.00000    0   80  203.00000    3.00000  98.5%     -   42s
H    0     0                       3.0000000    3.00000   0.0%     -   42s

Explored 0 nodes (99125 simplex iterations) in 42.32 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%