Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:40:30 2012 Optimize a model with 347 rows, 345 columns and 1210 nonzeros Presolve removed 0 rows and 27 columns Presolve time: 0.00s Presolved: 347 rows, 318 columns, 1183 nonzeros Variable types: 0 continuous, 318 integer (317 binary) Found heuristic solution: objective 56.0000000 Root relaxation: objective 0.000000e+00, 200 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 0 140 56.00000 0.00000 100% - 0s H 0 0 50.0000000 0.00000 100% - 0s H 0 0 47.0000000 0.00000 100% - 0s H 0 0 44.0000000 0.00000 100% - 0s 0 0 0.24402 0 142 44.00000 0.24402 99.4% - 0s H 0 0 30.0000000 0.24402 99.2% - 0s H 0 0 26.0000000 0.24402 99.1% - 0s 0 0 0.89305 0 145 26.00000 0.89305 96.6% - 0s H 0 0 24.0000000 0.89305 96.3% - 0s 0 0 0.89328 0 147 24.00000 0.89328 96.3% - 0s 0 0 0.89328 0 146 24.00000 0.89328 96.3% - 0s H 0 0 22.0000000 0.89328 95.9% - 0s H 0 0 18.0000000 0.89328 95.0% - 0s 0 2 0.89709 0 146 18.00000 0.89709 95.0% - 0s H 54 38 11.0000000 1.00000 90.9% 30.1 0s * 139 64 18 10.0000000 1.00000 90.0% 32.3 0s Cutting planes: Gomory: 3 Mod-K: 3 Explored 646 nodes (19248 simplex iterations) in 0.60 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%