Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:54:25 2012 Optimize a model with 409 rows, 391 columns and 1411 nonzeros Presolve removed 0 rows and 15 columns Presolve time: 0.00s Presolved: 409 rows, 376 columns, 1396 nonzeros Variable types: 0 continuous, 376 integer (375 binary) Found heuristic solution: objective 83.0000000 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 0 162 83.00000 0.00000 100% - 0s H 0 0 68.0000000 0.00000 100% - 0s H 0 0 61.0000000 0.00000 100% - 0s H 0 0 55.0000000 0.00000 100% - 0s 0 0 0.39385 0 164 55.00000 0.39385 99.3% - 0s H 0 0 46.0000000 0.39385 99.1% - 0s 0 0 0.66667 0 164 46.00000 0.66667 98.6% - 0s H 0 0 36.0000000 0.66667 98.1% - 0s 0 0 0.66667 0 165 36.00000 0.66667 98.1% - 0s H 0 0 35.0000000 0.66667 98.1% - 0s 0 0 0.66667 0 164 35.00000 0.66667 98.1% - 0s H 0 0 34.0000000 0.66667 98.0% - 0s 0 0 0.66667 0 164 34.00000 0.66667 98.0% - 0s H 0 0 32.0000000 0.66667 97.9% - 0s 0 0 0.66667 0 166 32.00000 0.66667 97.9% - 0s 0 0 0.66667 0 166 32.00000 0.66667 97.9% - 0s H 0 0 31.0000000 0.66667 97.8% - 0s H 0 0 29.0000000 0.66667 97.7% - 0s 0 2 0.66667 0 164 29.00000 0.66667 97.7% - 0s H 27 25 12.0000000 1.00000 91.7% 33.3 0s * 332 35 6 11.0000000 7.00000 36.4% 32.0 0s Cutting planes: Gomory: 3 Zero half: 5 Explored 409 nodes (15000 simplex iterations) in 0.55 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%