Gurobi 5.0.1 (linux64) logging started Fri Nov 16 23:49:20 2012

Optimize a model with 47095 rows, 41412 columns and 181683 nonzeros
Presolve removed 1220 rows and 2 columns
Presolve time: 1.19s
Presolved: 46078 rows, 41410 columns, 219395 nonzeros
Variable types: 0 continuous, 41410 integer (41410 binary)
Found heuristic solution: objective 203.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   27855    3.0000790e+00   3.100000e+01   0.000000e+00      5s
   33273    3.0000821e+00   6.517387e+00   0.000000e+00     10s
   34522    3.0000000e+00   0.000000e+00   0.000000e+00     11s

Root relaxation: objective 3.000000e+00, 34522 iterations, 11.06 seconds
Total elapsed time = 45.12s
Total elapsed time = 50.23s
Total elapsed time = 55.23s

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

     0     0    3.00000    0  290  203.00000    3.00000  98.5%     -   55s
H    0     0                       3.0000000    3.00000   0.0%     -   56s

Explored 0 nodes (142508 simplex iterations) in 56.21 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%