Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:01:06 2012 Optimize a model with 403 rows, 398 columns and 1403 nonzeros Presolve removed 0 rows and 24 columns Presolve time: 0.00s Presolved: 403 rows, 374 columns, 1379 nonzeros Variable types: 0 continuous, 374 integer (373 binary) Found heuristic solution: objective 70.0000000 Root relaxation: objective 0.000000e+00, 247 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 0 153 70.00000 0.00000 100% - 0s H 0 0 55.0000000 0.00000 100% - 0s H 0 0 43.0000000 0.00000 100% - 0s H 0 0 39.0000000 0.00000 100% - 0s 0 0 0.32625 0 155 39.00000 0.32625 99.2% - 0s H 0 0 36.0000000 0.32625 99.1% - 0s H 0 0 34.0000000 0.32625 99.0% - 0s 0 0 0.95675 0 160 34.00000 0.95675 97.2% - 0s H 0 0 32.0000000 0.95675 97.0% - 0s 0 0 0.95682 0 160 32.00000 0.95682 97.0% - 0s 0 0 0.95682 0 160 32.00000 0.95682 97.0% - 0s H 0 0 28.0000000 0.95682 96.6% - 0s H 0 0 23.0000000 0.95682 95.8% - 0s H 0 0 22.0000000 0.95682 95.7% - 0s 0 2 0.95683 0 160 22.00000 0.95683 95.7% - 0s H 34 21 10.0000000 1.00000 90.0% 42.6 0s Cutting planes: Gomory: 4 Mod-K: 3 Explored 571 nodes (16650 simplex iterations) in 0.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%