Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:19:21 2012 Optimize a model with 213 rows, 168 columns and 698 nonzeros Presolve time: 0.00s Presolved: 213 rows, 168 columns, 698 nonzeros Variable types: 0 continuous, 168 integer (168 binary) Found heuristic solution: objective 43.0000000 Root relaxation: objective 0.000000e+00, 102 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 61 43.00000 0.00000 100% - 0s H 0 0 38.0000000 0.00000 100% - 0s H 0 0 28.0000000 0.00000 100% - 0s H 0 0 27.0000000 0.00000 100% - 0s 0 0 0.54645 0 62 27.00000 0.54645 98.0% - 0s 0 0 1.00000 0 63 27.00000 1.00000 96.3% - 0s 0 0 1.28403 0 63 27.00000 1.28403 95.2% - 0s 0 0 1.36256 0 66 27.00000 1.36256 95.0% - 0s 0 0 1.37143 0 67 27.00000 1.37143 94.9% - 0s H 0 0 24.0000000 1.37143 94.3% - 0s 0 2 1.38188 0 67 24.00000 1.38188 94.2% - 0s * 23 16 16 19.0000000 2.27816 88.0% 25.0 0s * 117 46 17 17.0000000 7.95758 53.2% 22.7 0s * 123 37 21 16.0000000 7.95758 50.3% 21.9 0s * 206 13 9 14.0000000 11.85714 15.3% 21.5 0s Cutting planes: Gomory: 4 Explored 221 nodes (4995 simplex iterations) in 0.22 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%