Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:01:15 2013 Optimize a model with 129 rows, 81 columns and 405 nonzeros Presolve removed 47 rows and 41 columns Presolve time: 0.00s Presolved: 82 rows, 40 columns, 276 nonzeros Variable types: 5 continuous, 35 integer (35 binary) Found heuristic solution: objective 1457.0000000 Found heuristic solution: objective 1278.0000000 Root relaxation: objective 9.448696e+02, 9 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 944.86957 0 5 1278.00000 944.86957 26.1% - 0s H 0 0 954.0000000 944.86957 0.96% - 0s 0 0 947.70203 0 11 954.00000 947.70203 0.66% - 0s H 0 0 953.0000000 947.70203 0.56% - 0s 0 0 cutoff 0 953.00000 952.00095 0.10% - 0s Cutting planes: Gomory: 1 Cover: 2 Implied bound: 1 Clique: 3 MIR: 7 Explored 0 nodes (37 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.530000000000e+02, best bound 9.530000000000e+02, gap 0.0%