Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:35 2012 Optimize a model with 119 rows, 96 columns and 391 nonzeros Presolve removed 0 rows and 2 columns Presolve time: 0.00s Presolved: 119 rows, 94 columns, 389 nonzeros Variable types: 0 continuous, 94 integer (93 binary) Found heuristic solution: objective 21.0000000 Root relaxation: objective 0.000000e+00, 54 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 21.00000 0.00000 100% - 0s H 0 0 16.0000000 0.00000 100% - 0s H 0 0 14.0000000 0.00000 100% - 0s H 0 0 13.0000000 0.00000 100% - 0s 0 0 0.47059 0 35 13.00000 0.47059 96.4% - 0s 0 0 1.08512 0 37 13.00000 1.08512 91.7% - 0s 0 0 1.33833 0 39 13.00000 1.33833 89.7% - 0s 0 0 1.35849 0 40 13.00000 1.35849 89.6% - 0s 0 0 1.35849 0 40 13.00000 1.35849 89.6% - 0s H 0 0 10.0000000 1.35849 86.4% - 0s 0 2 1.35849 0 40 10.00000 1.35849 86.4% - 0s Cutting planes: Gomory: 4 Mod-K: 2 Explored 78 nodes (1297 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%