Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:00:52 2013 Optimize a model with 63 rows, 49 columns and 196 nonzeros Presolve removed 23 rows and 23 columns Presolve time: 0.00s Presolved: 40 rows, 26 columns, 140 nonzeros Variable types: 5 continuous, 21 integer (21 binary) Found heuristic solution: objective 1043.0000000 Found heuristic solution: objective 937.0000000 Found heuristic solution: objective 912.0000000 Found heuristic solution: objective 818.0000000 Root relaxation: objective 6.925306e+02, 16 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 692.53061 0 4 818.00000 692.53061 15.3% - 0s 0 0 702.51773 0 6 818.00000 702.51773 14.1% - 0s * 0 0 0 703.0000000 703.00000 0.0% - 0s Cutting planes: Implied bound: 1 MIR: 6 Explored 0 nodes (36 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.030000000000e+02, best bound 7.030000000000e+02, gap 0.0%