Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:52:20 2012 Optimize a model with 565 rows, 505 columns and 1915 nonzeros Presolve removed 0 rows and 20 columns Presolve time: 0.00s Presolved: 565 rows, 485 columns, 1895 nonzeros Variable types: 0 continuous, 485 integer (484 binary) Found heuristic solution: objective 110.0000000 Root relaxation: objective 0.000000e+00, 300 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 194 110.00000 0.00000 100% - 0s H 0 0 101.0000000 0.00000 100% - 0s H 0 0 93.0000000 0.00000 100% - 0s H 0 0 85.0000000 0.00000 100% - 0s H 0 0 79.0000000 0.00000 100% - 0s 0 0 0.42674 0 196 79.00000 0.42674 99.5% - 0s H 0 0 65.0000000 0.42674 99.3% - 0s 0 0 0.66667 0 196 65.00000 0.66667 99.0% - 0s 0 0 0.66667 0 197 65.00000 0.66667 99.0% - 0s H 0 0 64.0000000 0.66667 99.0% - 0s 0 0 0.66667 0 196 64.00000 0.66667 99.0% - 0s H 0 0 52.0000000 0.66667 98.7% - 0s 0 2 0.66667 0 196 52.00000 0.66667 98.7% - 0s H 54 54 42.0000000 1.00000 97.6% 29.3 0s H 63 63 34.0000000 1.00000 97.1% 27.6 0s * 71 68 39 30.0000000 1.00000 96.7% 26.7 0s * 127 101 35 29.0000000 3.08696 89.4% 25.3 0s * 183 138 39 28.0000000 3.20690 88.5% 24.3 0s * 185 114 40 27.0000000 3.20690 88.1% 24.3 0s * 709 341 29 26.0000000 9.32000 64.2% 30.6 1s * 2391 346 37 25.0000000 18.36842 26.5% 27.3 3s 3138 288 23.64430 20 195 25.00000 19.71875 21.1% 26.9 5s Cutting planes: Gomory: 1 Explored 4083 nodes (105526 simplex iterations) in 6.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.500000000000e+01, best bound 2.500000000000e+01, gap 0.0%