Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:35 2012 Optimize a model with 127 rows, 100 columns and 415 nonzeros Presolve time: 0.00s Presolved: 127 rows, 100 columns, 415 nonzeros Variable types: 0 continuous, 100 integer (100 binary) Found heuristic solution: objective 24.0000000 Root relaxation: objective 0.000000e+00, 60 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 37 24.00000 0.00000 100% - 0s H 0 0 17.0000000 0.00000 100% - 0s 0 0 0.64033 0 39 17.00000 0.64033 96.2% - 0s 0 0 0.68461 0 40 17.00000 0.68461 96.0% - 0s H 0 0 16.0000000 0.68461 95.7% - 0s 0 0 0.68649 0 40 16.00000 0.68649 95.7% - 0s 0 0 0.68649 0 39 16.00000 0.68649 95.7% - 0s 0 2 0.73303 0 39 16.00000 0.73303 95.4% - 0s * 18 14 13 11.0000000 3.80000 65.5% 13.9 0s * 32 12 7 10.0000000 3.81250 61.9% 12.8 0s Cutting planes: Gomory: 1 Mod-K: 3 Explored 81 nodes (1094 simplex iterations) in 0.04 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%