Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:34:44 2012 Optimize a model with 283 rows, 304 columns and 1009 nonzeros Presolve removed 0 rows and 24 columns Presolve time: 0.00s Presolved: 283 rows, 280 columns, 985 nonzeros Variable types: 0 continuous, 280 integer (279 binary) Found heuristic solution: objective 32.0000000 Root relaxation: objective 0.000000e+00, 175 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 0 111 32.00000 0.00000 100% - 0s H 0 0 29.0000000 0.00000 100% - 0s H 0 0 27.0000000 0.00000 100% - 0s H 0 0 24.0000000 0.00000 100% - 0s 0 0 0.10348 0 113 24.00000 0.10348 100% - 0s H 0 0 19.0000000 0.10348 99.5% - 0s H 0 0 17.0000000 0.10348 99.4% - 0s 0 0 0.76843 0 116 17.00000 0.76843 95.5% - 0s H 0 0 16.0000000 0.76843 95.2% - 0s 0 0 0.76843 0 116 16.00000 0.76843 95.2% - 0s H 0 0 14.0000000 0.76843 94.5% - 0s H 0 0 11.0000000 0.76843 93.0% - 0s H 0 0 5.0000000 0.76843 84.6% - 0s 0 2 0.76859 0 116 5.00000 0.76859 84.6% - 0s H 54 27 4.0000000 1.00000 75.0% 20.4 0s * 63 23 5 3.0000000 1.00000 66.7% 22.3 0s Cutting planes: Gomory: 4 Zero half: 9 Explored 123 nodes (5960 simplex iterations) in 0.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%