Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:41:22 2012 Optimize a model with 353 rows, 349 columns and 1229 nonzeros Presolve removed 0 rows and 21 columns Presolve time: 0.00s Presolved: 353 rows, 328 columns, 1208 nonzeros Variable types: 0 continuous, 328 integer (327 binary) Found heuristic solution: objective 58.0000000 Root relaxation: objective 0.000000e+00, 206 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 58.00000 0.00000 100% - 0s H 0 0 36.0000000 0.00000 100% - 0s 0 0 0.37810 0 144 36.00000 0.37810 98.9% - 0s H 0 0 23.0000000 0.37810 98.4% - 0s 0 0 1.00000 0 147 23.00000 1.00000 95.7% - 0s H 0 0 22.0000000 1.00000 95.5% - 0s 0 0 1.00000 0 149 22.00000 1.00000 95.5% - 0s 0 0 1.00000 0 146 22.00000 1.00000 95.5% - 0s H 0 0 17.0000000 1.00000 94.1% - 0s 0 2 1.00000 0 143 17.00000 1.00000 94.1% - 0s * 44 29 28 10.0000000 2.09125 79.1% 20.8 0s * 65 28 13 9.0000000 2.09347 76.7% 22.4 0s Cutting planes: Gomory: 1 Zero half: 2 Explored 188 nodes (3825 simplex iterations) in 0.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%