Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:31:57 2012 Optimize a model with 54 rows, 46 columns and 108 nonzeros Presolve removed 48 rows and 40 columns Presolve time: 0.00s Presolved: 6 rows, 6 columns, 12 nonzeros Variable types: 0 continuous, 6 integer (6 binary) Found heuristic solution: objective 24.0000000 Root relaxation: objective 2.500000e+01, 6 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 25.0000000 25.00000 0.0% - 0s Explored 0 nodes (6 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.500000000000e+01, best bound 2.500000000000e+01, gap 0.0%