Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:37:17 2012 Optimize a model with 295 rows, 316 columns and 1051 nonzeros Presolve removed 0 rows and 15 columns Presolve time: 0.00s Presolved: 295 rows, 301 columns, 1036 nonzeros Variable types: 0 continuous, 301 integer (300 binary) Found heuristic solution: objective 52.0000000 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 0 121 52.00000 0.00000 100% - 0s H 0 0 35.0000000 0.00000 100% - 0s H 0 0 33.0000000 0.00000 100% - 0s 0 0 0.10789 0 122 33.00000 0.10789 100% - 0s H 0 0 23.0000000 0.10789 100% - 0s 0 0 1.00000 0 84 23.00000 1.00000 95.7% - 0s H 0 0 15.0000000 1.00000 93.3% - 0s 0 0 1.00000 0 82 15.00000 1.00000 93.3% - 0s H 0 0 6.0000000 1.00000 83.3% - 0s 0 2 1.00000 0 82 6.00000 1.00000 83.3% - 0s * 2 2 2 1.0000000 1.00000 0.0% 133 0s Cutting planes: Gomory: 2 Explored 3 nodes (1190 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%