Gurobi 5.0.1 (linux64) logging started Thu Jan 24 20:09:24 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 17352.000000 Root relaxation: objective 2.322069e+04, 28 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 23220.6858 0 10 17352.0000 23220.6858 33.8% - 0s H 0 0 22575.000000 23220.6858 2.86% - 0s 0 0 23205.1459 0 11 22575.0000 23205.1459 2.79% - 0s 0 0 23202.7316 0 12 22575.0000 23202.7316 2.78% - 0s 0 0 23200.9728 0 14 22575.0000 23200.9728 2.77% - 0s 0 0 23198.2573 0 16 22575.0000 23198.2573 2.76% - 0s 0 0 23197.5658 0 16 22575.0000 23197.5658 2.76% - 0s 0 0 23197.3239 0 15 22575.0000 23197.3239 2.76% - 0s 0 0 23197.1420 0 16 22575.0000 23197.1420 2.76% - 0s H 0 0 22670.000000 23197.1420 2.33% - 0s 0 2 23196.6038 0 16 22670.0000 23196.6038 2.32% - 0s H 297 240 22750.000000 23175.0554 1.87% 3.8 0s H 6742 3816 22753.000000 23081.4030 1.44% 3.7 0s H39316 17137 22801.000000 23004.9648 0.89% 3.8 2s 67962 20187 22911.4011 34 10 22801.0000 23002.8745 0.89% 3.8 5s 157246 26518 22876.6843 43 9 22801.0000 22937.3856 0.60% 3.7 10s 250202 20154 cutoff 38 22801.0000 22886.8576 0.38% 3.6 15s Cutting planes: Gomory: 9 Explored 297860 nodes (1047363 simplex iterations) in 17.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.280100000000e+04, best bound 2.280300000000e+04, gap 0.0088%