Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:09:22 2012 Optimize a model with 447 rows, 429 columns and 1544 nonzeros Presolve removed 0 rows and 19 columns Presolve time: 0.00s Presolved: 447 rows, 410 columns, 1525 nonzeros Variable types: 0 continuous, 410 integer (409 binary) Found heuristic solution: objective 80.0000000 Root relaxation: objective 0.000000e+00, 226 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 0 175 80.00000 0.00000 100% - 0s H 0 0 58.0000000 0.00000 100% - 0s H 0 0 57.0000000 0.00000 100% - 0s 0 0 0.36774 0 177 57.00000 0.36774 99.4% - 0s H 0 0 42.0000000 0.36774 99.1% - 0s 0 0 0.66667 0 180 42.00000 0.66667 98.4% - 0s H 0 0 40.0000000 0.66667 98.3% - 0s 0 0 0.66667 0 180 40.00000 0.66667 98.3% - 0s H 0 0 38.0000000 0.66667 98.2% - 0s H 0 0 36.0000000 0.66667 98.1% - 0s 0 0 0.66667 0 177 36.00000 0.66667 98.1% - 0s H 0 0 34.0000000 0.66667 98.0% - 0s H 0 0 25.0000000 0.66667 97.3% - 0s 0 0 0.66667 0 177 25.00000 0.66667 97.3% - 0s 0 0 0.66667 0 177 25.00000 0.66667 97.3% - 0s 0 0 0.66667 0 177 25.00000 0.66667 97.3% - 0s H 0 0 21.0000000 0.66667 96.8% - 0s 0 2 0.66667 0 177 21.00000 0.66667 96.8% - 0s H 50 30 14.0000000 1.00000 92.9% 26.8 0s * 101 45 37 13.0000000 1.00000 92.3% 24.0 0s * 130 49 16 12.0000000 1.48980 87.6% 25.1 0s * 794 5 10 11.0000000 9.95484 9.50% 27.3 0s Cutting planes: Gomory: 3 Explored 800 nodes (23828 simplex iterations) in 0.93 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%