Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:13 2012 Optimize a model with 127 rows, 98 columns and 413 nonzeros Presolve time: 0.00s Presolved: 127 rows, 98 columns, 413 nonzeros Variable types: 0 continuous, 98 integer (98 binary) Found heuristic solution: objective 32.0000000 Root relaxation: objective 0.000000e+00, 48 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 34 32.00000 0.00000 100% - 0s H 0 0 30.0000000 0.00000 100% - 0s H 0 0 25.0000000 0.00000 100% - 0s H 0 0 22.0000000 0.00000 100% - 0s 0 0 0.49455 0 37 22.00000 0.49455 97.8% - 0s H 0 0 18.0000000 0.49455 97.3% - 0s 0 0 1.12507 0 38 18.00000 1.12507 93.7% - 0s 0 0 1.69647 0 39 18.00000 1.69647 90.6% - 0s 0 0 1.73049 0 41 18.00000 1.73049 90.4% - 0s 0 0 1.73049 0 41 18.00000 1.73049 90.4% - 0s H 0 0 16.0000000 1.73049 89.2% - 0s 0 2 1.73089 0 41 16.00000 1.73089 89.2% - 0s * 45 25 10 15.0000000 4.77855 68.1% 17.1 0s * 66 28 8 14.0000000 6.93757 50.4% 16.3 0s * 83 21 10 12.0000000 6.93805 42.2% 14.6 0s Cutting planes: Gomory: 5 Zero half: 2 Explored 113 nodes (1843 simplex iterations) in 0.09 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%