Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:12 2012 Optimize a model with 296 rows, 34 columns and 592 nonzeros Presolve removed 210 rows and 0 columns Presolve time: 0.00s Presolved: 86 rows, 34 columns, 443 nonzeros Variable types: 0 continuous, 34 integer (34 binary) Found heuristic solution: objective 5.0000000 Root relaxation: objective 6.770642e+00, 53 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 6.77064 0 32 5.00000 6.77064 35.4% - 0s 0 0 6.56471 0 26 5.00000 6.56471 31.3% - 0s 0 0 6.50439 0 30 5.00000 6.50439 30.1% - 0s H 0 0 6.0000000 6.50439 8.41% - 0s Cutting planes: Gomory: 1 Clique: 4 Zero half: 9 Explored 0 nodes (99 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%