Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:22:20 2012 Optimize a model with 223 rows, 244 columns and 799 nonzeros Presolve removed 0 rows and 24 columns Presolve time: 0.00s Presolved: 223 rows, 220 columns, 775 nonzeros Variable types: 0 continuous, 220 integer (219 binary) Found heuristic solution: objective 37.0000000 Root relaxation: objective 0.000000e+00, 166 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 90 37.00000 0.00000 100% - 0s H 0 0 29.0000000 0.00000 100% - 0s H 0 0 28.0000000 0.00000 100% - 0s H 0 0 24.0000000 0.00000 100% - 0s 0 0 0.04071 0 92 24.00000 0.04071 100% - 0s H 0 0 18.0000000 0.04071 100% - 0s H 0 0 17.0000000 0.04071 100% - 0s H 0 0 15.0000000 0.04071 100% - 0s 0 0 0.74739 0 96 15.00000 0.74739 95.0% - 0s H 0 0 7.0000000 0.74739 89.3% - 0s H 0 0 6.0000000 0.74739 87.5% - 0s H 0 0 5.0000000 0.74739 85.1% - 0s H 0 0 4.0000000 0.74739 81.3% - 0s 0 0 0.74739 0 96 4.00000 0.74739 81.3% - 0s H 0 0 3.0000000 0.74739 75.1% - 0s 0 2 0.76093 0 96 3.00000 0.76093 74.6% - 0s Cutting planes: Gomory: 4 Explored 6 nodes (1125 simplex iterations) in 0.13 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%