Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:26:16 2012 Optimize a model with 243 rows, 270 columns and 875 nonzeros Presolve removed 0 rows and 32 columns Presolve time: 0.00s Presolved: 243 rows, 238 columns, 843 nonzeros Variable types: 0 continuous, 238 integer (237 binary) Found heuristic solution: objective 40.0000000 Root relaxation: objective 0.000000e+00, 164 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 95 40.00000 0.00000 100% - 0s H 0 0 27.0000000 0.00000 100% - 0s H 0 0 24.0000000 0.00000 100% - 0s 0 0 0.01945 0 97 24.00000 0.01945 100% - 0s H 0 0 13.0000000 0.01945 100% - 0s 0 0 0.66667 0 99 13.00000 0.66667 94.9% - 0s H 0 0 10.0000000 0.66667 93.3% - 0s 0 0 0.66667 0 102 10.00000 0.66667 93.3% - 0s H 0 0 9.0000000 0.66667 92.6% - 0s 0 0 0.66667 0 97 9.00000 0.66667 92.6% - 0s 0 0 0.66667 0 71 9.00000 0.66667 92.6% - 0s H 0 0 5.0000000 0.66667 86.7% - 0s 0 0 0.66667 0 97 5.00000 0.66667 86.7% - 0s 0 0 0.66667 0 97 5.00000 0.66667 86.7% - 0s 0 0 0.66667 0 97 5.00000 0.66667 86.7% - 0s 0 2 0.66667 0 73 5.00000 0.66667 86.7% - 0s * 14 14 11 3.0000000 0.75000 75.0% 31.3 0s * 45 19 22 2.0000000 0.80000 60.0% 25.9 0s Cutting planes: Gomory: 4 Zero half: 2 Explored 77 nodes (4000 simplex iterations) in 0.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%