Gurobi 5.0.1 (linux64) logging started Thu Jan 24 20:09:00 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 19805.000000 Root relaxation: objective 2.348064e+04, 23 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 23480.6394 0 10 19805.0000 23480.6394 18.6% - 0s H 0 0 22860.000000 23480.6394 2.71% - 0s 0 0 23473.0133 0 12 22860.0000 23473.0133 2.68% - 0s 0 0 23468.5091 0 13 22860.0000 23468.5091 2.66% - 0s 0 0 23467.5677 0 13 22860.0000 23467.5677 2.66% - 0s 0 0 23467.4615 0 14 22860.0000 23467.4615 2.66% - 0s 0 2 23467.0874 0 14 22860.0000 23467.0874 2.66% - 0s H 600 455 22891.000000 23444.6665 2.42% 3.5 0s H 823 543 22910.000000 23444.6665 2.33% 3.9 0s H 891 493 23050.000000 23444.6665 1.71% 3.9 0s H16323 9051 23052.000000 23335.0764 1.23% 3.6 1s H18087 9861 23057.000000 23331.1798 1.19% 3.6 1s 69754 24062 23150.7426 45 8 23057.0000 23290.7595 1.01% 3.7 5s H103404 25627 23059.000000 23258.7681 0.87% 3.7 6s H116827 28852 23064.000000 23248.9515 0.80% 3.7 7s 158937 36851 23111.5888 46 6 23064.0000 23225.3053 0.70% 3.6 10s 252584 43444 23144.9999 55 5 23064.0000 23188.8133 0.54% 3.6 15s 348172 34521 cutoff 46 23064.0000 23154.5202 0.39% 3.5 20s Cutting planes: Gomory: 8 MIR: 1 Zero half: 1 Explored 432069 nodes (1473620 simplex iterations) in 24.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.306400000000e+04, best bound 2.306600000000e+04, gap 0.0087%