Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:05 2012 Optimize a model with 139 rows, 117 columns and 462 nonzeros Presolve removed 0 rows and 4 columns Presolve time: 0.00s Presolved: 139 rows, 113 columns, 458 nonzeros Variable types: 0 continuous, 113 integer (112 binary) Found heuristic solution: objective 26.0000000 Root relaxation: objective 0.000000e+00, 62 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 43 26.00000 0.00000 100% - 0s H 0 0 20.0000000 0.00000 100% - 0s H 0 0 16.0000000 0.00000 100% - 0s 0 0 0.49384 0 44 16.00000 0.49384 96.9% - 0s H 0 0 14.0000000 0.49384 96.5% - 0s 0 0 1.00000 0 47 14.00000 1.00000 92.9% - 0s 0 0 1.00000 0 43 14.00000 1.00000 92.9% - 0s 0 2 1.00000 0 43 14.00000 1.00000 92.9% - 0s * 23 16 15 10.0000000 3.03848 69.6% 24.4 0s Cutting planes: Gomory: 2 Explored 96 nodes (1965 simplex iterations) in 0.07 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%