Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:38 2013 Optimize a model with 3438 rows, 3258 columns and 12978 nonzeros Presolve removed 500 rows and 0 columns Presolve time: 0.02s Presolved: 2938 rows, 3258 columns, 11978 nonzeros Variable types: 3240 continuous, 18 integer (18 binary) Root relaxation: objective 1.995800e+04, 339 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 19958.000000 19958.0000 0.0% - 0s Explored 0 nodes (339 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.995800000000e+04, best bound 1.995800000000e+04, gap 0.0%