Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:01 2012 Optimize a model with 167 rows, 136 columns and 551 nonzeros Presolve removed 0 rows and 1 columns Presolve time: 0.00s Presolved: 167 rows, 135 columns, 550 nonzeros Variable types: 0 continuous, 135 integer (134 binary) Found heuristic solution: objective 32.0000000 Root relaxation: objective 0.000000e+00, 75 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 51 32.00000 0.00000 100% - 0s H 0 0 26.0000000 0.00000 100% - 0s H 0 0 25.0000000 0.00000 100% - 0s 0 0 0.65359 0 52 25.00000 0.65359 97.4% - 0s H 0 0 24.0000000 0.65359 97.3% - 0s 0 0 1.16270 0 54 24.00000 1.16270 95.2% - 0s H 0 0 18.0000000 1.16270 93.5% - 0s 0 0 1.16270 0 54 18.00000 1.16270 93.5% - 0s H 0 0 17.0000000 1.16270 93.2% - 0s 0 2 1.16270 0 54 17.00000 1.16270 93.2% - 0s * 15 14 8 11.0000000 2.60921 76.3% 33.3 0s Cutting planes: Gomory: 2 Zero half: 6 Explored 182 nodes (3881 simplex iterations) in 0.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%