Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:16 2012 Optimize a model with 97 rows, 75 columns and 315 nonzeros Presolve time: 0.00s Presolved: 97 rows, 75 columns, 315 nonzeros Variable types: 0 continuous, 75 integer (75 binary) Found heuristic solution: objective 19.0000000 Root relaxation: objective 0.000000e+00, 41 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 27 19.00000 0.00000 100% - 0s H 0 0 18.0000000 0.00000 100% - 0s H 0 0 14.0000000 0.00000 100% - 0s 0 0 0.57835 0 29 14.00000 0.57835 95.9% - 0s 0 0 0.69515 0 35 14.00000 0.69515 95.0% - 0s 0 0 0.75165 0 31 14.00000 0.75165 94.6% - 0s 0 0 0.78973 0 32 14.00000 0.78973 94.4% - 0s H 0 0 13.0000000 0.78973 93.9% - 0s 0 0 0.81099 0 31 13.00000 0.81099 93.8% - 0s H 0 0 11.0000000 0.81099 92.6% - 0s 0 0 0.81341 0 38 11.00000 0.81341 92.6% - 0s 0 2 0.82090 0 38 11.00000 0.82090 92.5% - 0s * 18 10 10 10.0000000 2.95238 70.5% 12.7 0s Cutting planes: Gomory: 1 Zero half: 11 Mod-K: 2 Explored 50 nodes (658 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%