Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:50:56 2012 Optimize a model with 349 rows, 354 columns and 1224 nonzeros Presolve removed 0 rows and 24 columns Presolve time: 0.00s Presolved: 349 rows, 330 columns, 1200 nonzeros Variable types: 0 continuous, 330 integer (329 binary) Found heuristic solution: objective 64.0000000 Root relaxation: objective 0.000000e+00, 210 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 0 143 64.00000 0.00000 100% - 0s H 0 0 55.0000000 0.00000 100% - 0s H 0 0 37.0000000 0.00000 100% - 0s 0 0 0.21743 0 145 37.00000 0.21743 99.4% - 0s H 0 0 29.0000000 0.21743 99.3% - 0s 0 0 0.78258 0 148 29.00000 0.78258 97.3% - 0s H 0 0 24.0000000 0.78258 96.7% - 0s H 0 0 20.0000000 0.78258 96.1% - 0s 0 0 0.78265 0 149 20.00000 0.78265 96.1% - 0s 0 0 0.78265 0 149 20.00000 0.78265 96.1% - 0s H 0 0 13.0000000 0.78265 94.0% - 0s 0 2 0.78285 0 148 13.00000 0.78285 94.0% - 0s * 54 37 38 9.0000000 1.00000 88.9% 27.0 0s H 85 35 7.0000000 1.00000 85.7% 24.4 0s Cutting planes: Gomory: 3 Zero half: 5 Mod-K: 1 Explored 525 nodes (13812 simplex iterations) in 0.50 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%