Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:21:19 2012 Optimize a model with 205 rows, 169 columns and 679 nonzeros Presolve removed 0 rows and 3 columns Presolve time: 0.00s Presolved: 205 rows, 166 columns, 676 nonzeros Variable types: 0 continuous, 166 integer (165 binary) Found heuristic solution: objective 42.0000000 Root relaxation: objective 0.000000e+00, 85 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 63 42.00000 0.00000 100% - 0s H 0 0 33.0000000 0.00000 100% - 0s H 0 0 32.0000000 0.00000 100% - 0s H 0 0 28.0000000 0.00000 100% - 0s 0 0 0.47619 0 64 28.00000 0.47619 98.3% - 0s 0 0 1.00000 0 66 28.00000 1.00000 96.4% - 0s 0 0 1.01050 0 67 28.00000 1.01050 96.4% - 0s H 0 0 25.0000000 1.01050 96.0% - 0s H 0 0 22.0000000 1.01050 95.4% - 0s 0 2 1.02280 0 67 22.00000 1.02280 95.4% - 0s * 27 16 17 14.0000000 3.95199 71.8% 24.8 0s * 52 16 8 13.0000000 7.20690 44.6% 24.4 0s Cutting planes: Gomory: 4 Zero half: 2 Explored 97 nodes (2366 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.300000000000e+01, best bound 1.300000000000e+01, gap 0.0%