Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:54 2012 Optimize a model with 191 rows, 152 columns and 627 nonzeros Presolve time: 0.00s Presolved: 191 rows, 152 columns, 627 nonzeros Variable types: 0 continuous, 152 integer (152 binary) Found heuristic solution: objective 42.0000000 Root relaxation: objective 0.000000e+00, 81 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 56 42.00000 0.00000 100% - 0s H 0 0 32.0000000 0.00000 100% - 0s 0 0 0.50000 0 57 32.00000 0.50000 98.4% - 0s 0 0 0.51567 0 60 32.00000 0.51567 98.4% - 0s 0 0 0.52263 0 59 32.00000 0.52263 98.4% - 0s 0 0 0.59229 0 61 32.00000 0.59229 98.1% - 0s 0 0 0.59229 0 61 32.00000 0.59229 98.1% - 0s H 0 0 25.0000000 0.59229 97.6% - 0s 0 2 0.63832 0 61 25.00000 0.63832 97.4% - 0s * 25 25 17 21.0000000 3.13636 85.1% 21.3 0s * 45 35 14 19.0000000 3.16129 83.4% 18.4 0s * 73 44 19 17.0000000 5.56522 67.3% 17.8 0s * 94 42 13 16.0000000 6.00000 62.5% 18.1 0s * 108 42 9 15.0000000 7.00000 53.3% 18.6 0s * 123 34 10 14.0000000 7.51852 46.3% 18.9 0s Cutting planes: Gomory: 1 Zero half: 2 Mod-K: 1 Explored 239 nodes (4384 simplex iterations) in 0.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.400000000000e+01, best bound 1.400000000000e+01, gap 0.0%