Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:23 2012 Optimize a model with 133 rows, 102 columns and 432 nonzeros Presolve time: 0.00s Presolved: 133 rows, 102 columns, 432 nonzeros Variable types: 0 continuous, 102 integer (102 binary) Found heuristic solution: objective 29.0000000 Root relaxation: objective 0.000000e+00, 49 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 35 29.00000 0.00000 100% - 0s H 0 0 25.0000000 0.00000 100% - 0s H 0 0 24.0000000 0.00000 100% - 0s H 0 0 22.0000000 0.00000 100% - 0s 0 0 0.48571 0 36 22.00000 0.48571 97.8% - 0s H 0 0 19.0000000 0.48571 97.4% - 0s 0 0 1.00000 0 35 19.00000 1.00000 94.7% - 0s 0 0 1.05085 0 37 19.00000 1.05085 94.5% - 0s 0 0 1.06653 0 39 19.00000 1.06653 94.4% - 0s 0 0 1.11990 0 39 19.00000 1.11990 94.1% - 0s 0 0 1.12391 0 40 19.00000 1.12391 94.1% - 0s 0 0 1.12391 0 40 19.00000 1.12391 94.1% - 0s H 0 0 18.0000000 1.12391 93.8% - 0s 0 2 1.13063 0 40 18.00000 1.13063 93.7% - 0s * 39 25 13 15.0000000 4.04175 73.1% 15.7 0s * 56 28 9 14.0000000 6.15153 56.1% 15.6 0s * 81 22 6 12.0000000 8.00000 33.3% 14.1 0s Cutting planes: Gomory: 4 Zero half: 2 Explored 133 nodes (1973 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.200000000000e+01, best bound 1.200000000000e+01, gap 0.0%