Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:00:35 2013

Optimize a model with 0 rows, 1 columns and 0 nonzeros
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolve: All rows and columns removed
Iteration    Objective       Primal Inf.    Dual Inf.      Time
       0    5.4000000e+01   0.000000e+00   0.000000e+00      0s

Solved in 0 iterations and 0.00 seconds
Optimal objective  5.400000000e+01