Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:40 2012 Optimize a model with 169 rows, 61 columns and 338 nonzeros Presolve removed 53 rows and 3 columns Presolve time: 0.00s Presolved: 116 rows, 58 columns, 261 nonzeros Variable types: 0 continuous, 58 integer (58 binary) Found heuristic solution: objective 23.0000000 Root relaxation: objective 2.600000e+01, 69 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 26.0000000 26.00000 0.0% - 0s Explored 0 nodes (69 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.600000000000e+01, best bound 2.600000000000e+01, gap 0.0%