Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:29:14 2012 Optimize a model with 251 rows, 283 columns and 908 nonzeros Presolve removed 0 rows and 28 columns Presolve time: 0.00s Presolved: 251 rows, 255 columns, 880 nonzeros Variable types: 0 continuous, 255 integer (254 binary) Found heuristic solution: objective 44.0000000 Root relaxation: objective 0.000000e+00, 155 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 92 44.00000 0.00000 100% - 0s H 0 0 33.0000000 0.00000 100% - 0s H 0 0 20.0000000 0.00000 100% - 0s H 0 0 18.0000000 0.00000 100% - 0s 0 0 0.00000 0 93 18.00000 0.00000 100% - 0s H 0 0 14.0000000 0.00000 100% - 0s H 0 0 13.0000000 0.00000 100% - 0s 0 0 0.00000 0 93 13.00000 0.00000 100% - 0s H 0 0 12.0000000 0.00000 100% - 0s H 0 0 11.0000000 0.00000 100% - 0s H 0 0 7.0000000 0.00000 100% - 0s H 0 0 6.0000000 0.00000 100% - 0s H 0 0 3.0000000 0.00000 100% - 0s 0 2 0.00000 0 93 3.00000 0.00000 100% - 0s * 9 4 7 1.0000000 1.00000 0.0% 59.6 0s Cutting planes: Gomory: 1 Explored 10 nodes (1157 simplex iterations) in 0.12 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%