Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:16:16 2013 Optimize a model with 160 rows, 1080 columns and 2170 nonzeros Presolve removed 20 rows and 30 columns Presolve time: 0.00s Presolved: 140 rows, 1050 columns, 2100 nonzeros Variable types: 1040 continuous, 10 integer (10 binary) Root relaxation: objective 2.162324e+04, 148 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 21623.2446 0 2 - 21623.2446 - - 0s 0 0 21660.0955 0 3 - 21660.0955 - - 0s 0 0 21676.5679 0 2 - 21676.5679 - - 0s 0 0 21678.2604 0 2 - 21678.2604 - - 0s 0 0 21678.2604 0 2 - 21678.2604 - - 0s 0 0 21699.3131 0 1 - 21699.3131 - - 0s 0 0 21699.3131 0 1 - 21699.3131 - - 0s H 0 0 21741.249637 21699.3131 0.19% - 0s 0 0 cutoff 0 21741.2496 21741.2496 0.0% - 0s Cutting planes: Gomory: 1 Implied bound: 1 Flow cover: 3 Explored 1 nodes (210 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.174124963687e+04, best bound 2.174124963687e+04, gap 0.0%