Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:42:49 2012 Optimize a model with 207 rows, 147 columns and 662 nonzeros Presolve time: 0.00s Presolved: 207 rows, 147 columns, 662 nonzeros Variable types: 0 continuous, 147 integer (147 binary) Found heuristic solution: objective 45.0000000 Root relaxation: objective 0.000000e+00, 61 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 45.00000 0.00000 100% - 0s H 0 0 39.0000000 0.00000 100% - 0s H 0 0 36.0000000 0.00000 100% - 0s 0 0 0.51279 0 44 36.00000 0.51279 98.6% - 0s H 0 0 35.0000000 0.51279 98.5% - 0s 0 0 1.00000 0 46 35.00000 1.00000 97.1% - 0s H 0 0 32.0000000 1.00000 96.9% - 0s 0 0 1.00000 0 45 32.00000 1.00000 96.9% - 0s 0 2 1.00000 0 43 32.00000 1.00000 96.9% - 0s * 35 32 19 30.0000000 3.15983 89.5% 27.2 0s * 64 50 17 27.0000000 4.10432 84.8% 24.9 0s * 158 99 18 25.0000000 5.00000 80.0% 24.4 0s * 243 119 14 22.0000000 7.00000 68.2% 25.9 0s * 295 103 11 21.0000000 7.05128 66.4% 24.2 0s Cutting planes: Gomory: 2 Explored 1174 nodes (23000 simplex iterations) in 0.49 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.100000000000e+01, best bound 2.100000000000e+01, gap 0.0%