Gurobi 5.0.1 (linux64) logging started Thu Jan 24 20:09:48 2013 Optimize a model with 10 rows, 100 columns and 1000 nonzeros Presolve time: 0.00s Presolved: 10 rows, 100 columns, 1000 nonzeros Variable types: 0 continuous, 100 integer (100 binary) Found heuristic solution: objective 21114.000000 Root relaxation: objective 2.308747e+04, 31 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 23087.4724 0 10 21114.0000 23087.4724 9.35% - 0s H 0 0 22427.000000 23087.4724 2.94% - 0s 0 0 23077.2493 0 11 22427.0000 23077.2493 2.90% - 0s 0 0 23068.6640 0 14 22427.0000 23068.6640 2.86% - 0s H 0 0 22694.000000 23068.6640 1.65% - 0s 0 0 23064.9613 0 15 22694.0000 23064.9613 1.63% - 0s 0 0 23062.1822 0 15 22694.0000 23062.1822 1.62% - 0s 0 0 23060.8739 0 15 22694.0000 23060.8739 1.62% - 0s 0 0 23059.9298 0 15 22694.0000 23059.9298 1.61% - 0s 0 0 23059.8246 0 16 22694.0000 23059.8246 1.61% - 0s 0 2 23059.7204 0 16 22694.0000 23059.7204 1.61% - 0s H 1767 872 22699.000000 23034.2178 1.48% 4.0 0s H 3093 1730 22707.000000 23020.7548 1.38% 3.8 0s H 5203 2835 22772.000000 23010.0320 1.05% 3.8 0s 70541 22767 22844.1708 44 9 22772.0000 22941.4556 0.74% 3.8 5s 161430 36978 22825.7704 44 9 22772.0000 22894.4339 0.54% 3.7 10s 256759 43249 22799.5450 40 9 22772.0000 22867.3347 0.42% 3.6 15s 354821 33600 22803.4399 42 9 22772.0000 22840.6881 0.30% 3.6 20s Cutting planes: Gomory: 7 MIR: 1 Explored 433797 nodes (1507854 simplex iterations) in 23.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.277200000000e+04, best bound 2.277400000000e+04, gap 0.0088%