Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:33:31 2012 Optimize a model with 259 rows, 289 columns and 934 nonzeros Presolve removed 0 rows and 27 columns Presolve time: 0.00s Presolved: 259 rows, 262 columns, 907 nonzeros Variable types: 0 continuous, 262 integer (261 binary) Found heuristic solution: objective 43.0000000 Root relaxation: objective 0.000000e+00, 184 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 0 112 43.00000 0.00000 100% - 0s H 0 0 31.0000000 0.00000 100% - 0s H 0 0 28.0000000 0.00000 100% - 0s H 0 0 24.0000000 0.00000 100% - 0s 0 0 0.14915 0 114 24.00000 0.14915 99.4% - 0s H 0 0 20.0000000 0.14915 99.3% - 0s H 0 0 15.0000000 0.14915 99.0% - 0s 0 0 0.72646 0 120 15.00000 0.72646 95.2% - 0s H 0 0 13.0000000 0.72646 94.4% - 0s 0 0 0.72646 0 123 13.00000 0.72646 94.4% - 0s 0 0 0.72646 0 122 13.00000 0.72646 94.4% - 0s H 0 0 7.0000000 0.72646 89.6% - 0s H 0 0 5.0000000 0.72646 85.5% - 0s 0 2 0.73826 0 121 5.00000 0.73826 85.2% - 0s * 19 6 17 2.0000000 1.00000 50.0% 21.5 0s Cutting planes: Gomory: 3 Mod-K: 1 Explored 28 nodes (1438 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%