Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:40 2012 Optimize a model with 125 rows, 93 columns and 403 nonzeros Presolve time: 0.00s Presolved: 125 rows, 93 columns, 403 nonzeros Variable types: 0 continuous, 93 integer (93 binary) Found heuristic solution: objective 34.0000000 Found heuristic solution: objective 30.0000000 Root relaxation: objective 0.000000e+00, 44 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 31 30.00000 0.00000 100% - 0s H 0 0 22.0000000 0.00000 100% - 0s H 0 0 21.0000000 0.00000 100% - 0s 0 0 0.56774 0 33 21.00000 0.56774 97.3% - 0s 0 0 0.63656 0 34 21.00000 0.63656 97.0% - 0s 0 0 0.68406 0 33 21.00000 0.68406 96.7% - 0s 0 0 0.68406 0 33 21.00000 0.68406 96.7% - 0s 0 0 0.68406 0 33 21.00000 0.68406 96.7% - 0s H 0 0 20.0000000 0.68406 96.6% - 0s 0 2 0.70000 0 33 20.00000 0.70000 96.5% - 0s * 16 14 11 17.0000000 2.97222 82.5% 20.1 0s * 19 11 9 16.0000000 2.97222 81.4% 17.1 0s * 29 13 8 12.0000000 3.10952 74.1% 17.3 0s * 48 5 5 11.0000000 9.34812 15.0% 16.8 0s Cutting planes: Gomory: 1 Zero half: 8 Explored 54 nodes (998 simplex iterations) in 0.06 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%