Gurobi 5.0.1 (linux64) logging started Sun Nov 18 07:48:37 2012 Optimize a model with 521 rows, 492 columns and 1792 nonzeros Presolve removed 0 rows and 13 columns Presolve time: 0.00s Presolved: 521 rows, 479 columns, 1779 nonzeros Variable types: 0 continuous, 479 integer (478 binary) Found heuristic solution: objective 102.0000000 Root relaxation: objective 0.000000e+00, 278 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 0 208 102.00000 0.00000 100% - 0s H 0 0 82.0000000 0.00000 100% - 0s H 0 0 78.0000000 0.00000 100% - 0s H 0 0 76.0000000 0.00000 100% - 0s 0 0 0.46530 0 209 76.00000 0.46530 99.4% - 0s H 0 0 64.0000000 0.46530 99.3% - 0s 0 0 1.00000 0 210 64.00000 1.00000 98.4% - 0s 0 0 1.02091 0 212 64.00000 1.02091 98.4% - 0s H 0 0 46.0000000 1.02091 97.8% - 0s 0 0 1.03724 0 213 46.00000 1.03724 97.7% - 0s 0 0 1.03724 0 213 46.00000 1.03724 97.7% - 0s H 0 0 43.0000000 1.03724 97.6% - 0s H 0 0 35.0000000 1.03724 97.0% - 0s 0 2 1.03815 0 213 35.00000 1.03815 97.0% - 0s H 27 27 31.0000000 1.53544 95.0% 66.4 0s * 40 38 24 16.0000000 1.53544 90.4% 50.1 0s H 82 41 14.0000000 1.54466 89.0% 40.9 0s Cutting planes: Gomory: 4 Explored 466 nodes (17867 simplex iterations) in 0.88 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%