Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:44:02 2012 Optimize a model with 211 rows, 150 columns and 675 nonzeros Presolve time: 0.00s Presolved: 211 rows, 150 columns, 675 nonzeros Variable types: 0 continuous, 150 integer (150 binary) Found heuristic solution: objective 46.0000000 Root relaxation: objective 0.000000e+00, 81 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 45 46.00000 0.00000 100% - 0s H 0 0 37.0000000 0.00000 100% - 0s H 0 0 34.0000000 0.00000 100% - 0s 0 0 0.74444 0 47 34.00000 0.74444 97.8% - 0s 0 0 0.86944 0 47 34.00000 0.86944 97.4% - 0s 0 0 0.91111 0 49 34.00000 0.91111 97.3% - 0s 0 0 1.09000 0 47 34.00000 1.09000 96.8% - 0s 0 0 1.11750 0 48 34.00000 1.11750 96.7% - 0s 0 0 1.14755 0 49 34.00000 1.14755 96.6% - 0s 0 0 1.15625 0 50 34.00000 1.15625 96.6% - 0s H 0 0 33.0000000 1.15625 96.5% - 0s 0 2 1.15809 0 50 33.00000 1.15809 96.5% - 0s * 27 27 17 28.0000000 5.70732 79.6% 21.1 0s * 43 30 11 24.0000000 5.79545 75.9% 20.6 0s * 76 42 9 22.0000000 9.53846 56.6% 18.9 0s H 166 40 21.0000000 13.69231 34.8% 16.3 0s Cutting planes: Gomory: 1 Zero half: 3 Mod-K: 2 Explored 307 nodes (4854 simplex iterations) in 0.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.100000000000e+01, best bound 2.100000000000e+01, gap 0.0%