Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:41 2012 Optimize a model with 193 rows, 63 columns and 386 nonzeros Presolve removed 49 rows and 0 columns Presolve time: 0.00s Presolved: 144 rows, 63 columns, 320 nonzeros Variable types: 0 continuous, 63 integer (63 binary) Found heuristic solution: objective 24.0000000 Root relaxation: objective 2.633333e+01, 88 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 26.33333 0 56 24.00000 26.33333 9.72% - 0s 0 0 25.75000 0 53 24.00000 25.75000 7.29% - 0s H 0 0 25.0000000 25.75000 3.00% - 0s Cutting planes: Gomory: 1 Zero half: 6 Explored 0 nodes (139 simplex iterations) in 0.01 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%