Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:50:08 2013 Optimize a model with 48 rows, 180 columns and 356 nonzeros Presolve time: 0.00s Presolved: 48 rows, 180 columns, 356 nonzeros Variable types: 176 continuous, 4 integer (4 binary) Root relaxation: objective 8.846333e+03, 9 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 8846.33333 0 1 - 8846.33333 - - 0s H 0 0 8867.0000000 8846.33333 0.23% - 0s 0 0 cutoff 0 8867.00000 8867.00000 0.0% - 0s Explored 0 nodes (10 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 8.867000000000e+03, best bound 8.867000000000e+03, gap 0.0%