Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:13 2013 Optimize a model with 170 rows, 560 columns and 1305 nonzeros Presolve removed 10 rows and 15 columns Presolve time: 0.00s Presolved: 160 rows, 545 columns, 1090 nonzeros Variable types: 450 continuous, 95 integer (95 binary) Root relaxation: objective 1.291780e+04, 45 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12917.7960 0 1 - 12917.7960 - - 0s 0 0 12922.1930 0 2 - 12922.1930 - - 0s 0 0 12922.1930 0 2 - 12922.1930 - - 0s H 0 0 13024.507184 12922.1930 0.79% - 0s 0 2 12942.2047 0 2 13024.5072 12942.2047 0.63% - 0s * 3 2 3 12965.571202 12965.5712 0.0% 2.3 0s Cutting planes: Gomory: 1 Flow cover: 1 Explored 4 nodes (77 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.296557120244e+04, best bound 1.296557120244e+04, gap 0.0%