Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:37:15 2012 Optimize a model with 289 rows, 313 columns and 1033 nonzeros Presolve removed 0 rows and 26 columns Presolve time: 0.00s Presolved: 289 rows, 287 columns, 1007 nonzeros Variable types: 0 continuous, 287 integer (286 binary) Found heuristic solution: objective 51.0000000 Root relaxation: objective 0.000000e+00, 205 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 0 122 51.00000 0.00000 100% - 0s H 0 0 37.0000000 0.00000 100% - 0s H 0 0 35.0000000 0.00000 100% - 0s 0 0 0.22490 0 124 35.00000 0.22490 99.4% - 0s H 0 0 24.0000000 0.22490 99.1% - 0s 0 0 0.76169 0 126 24.00000 0.76169 96.8% - 0s H 0 0 20.0000000 0.76169 96.2% - 0s H 0 0 19.0000000 0.76169 96.0% - 0s 0 0 0.76169 0 126 19.00000 0.76169 96.0% - 0s H 0 0 18.0000000 0.76169 95.8% - 0s H 0 0 9.0000000 0.76169 91.5% - 0s 0 2 0.76456 0 126 9.00000 0.76456 91.5% - 0s * 14 6 10 3.0000000 1.00000 66.7% 26.6 0s Cutting planes: Gomory: 4 Explored 44 nodes (1649 simplex iterations) in 0.10 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%