Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:23:25 2012 Optimize a model with 233 rows, 254 columns and 834 nonzeros Presolve removed 0 rows and 24 columns Presolve time: 0.00s Presolved: 233 rows, 230 columns, 810 nonzeros Variable types: 0 continuous, 230 integer (229 binary) Found heuristic solution: objective 38.0000000 Root relaxation: objective 0.000000e+00, 154 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 0 106 38.00000 0.00000 100% - 0s H 0 0 35.0000000 0.00000 100% - 0s H 0 0 27.0000000 0.00000 100% - 0s H 0 0 22.0000000 0.00000 100% - 0s 0 0 0.18803 0 108 22.00000 0.18803 99.1% - 0s H 0 0 20.0000000 0.18803 99.1% - 0s H 0 0 17.0000000 0.18803 98.9% - 0s 0 0 0.71708 0 114 17.00000 0.71708 95.8% - 0s H 0 0 12.0000000 0.71708 94.0% - 0s 0 0 0.71708 0 114 12.00000 0.71708 94.0% - 0s H 0 0 9.0000000 0.71708 92.0% - 0s H 0 0 8.0000000 0.71708 91.0% - 0s H 0 0 5.0000000 0.71708 85.7% - 0s 0 2 0.71956 0 114 5.00000 0.71956 85.6% - 0s * 15 7 8 3.0000000 1.26169 57.9% 37.5 0s Cutting planes: Gomory: 4 Explored 23 nodes (1399 simplex iterations) in 0.07 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%