Gurobi 5.0.1 (linux64) logging started Thu Jan 24 18:19:55 2013 Optimize a model with 5 rows, 250 columns and 1250 nonzeros Presolve time: 0.00s Presolved: 5 rows, 250 columns, 1250 nonzeros Variable types: 0 continuous, 250 integer (250 binary) Found heuristic solution: objective 103327.00000 Root relaxation: objective 1.108342e+05, 10 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 110834.244 0 5 103327.000 110834.244 7.27% - 0s H 0 0 110196.00000 110834.244 0.58% - 0s 0 0 110832.166 0 7 110196.000 110832.166 0.58% - 0s H 0 0 110384.00000 110832.166 0.41% - 0s 0 0 110830.745 0 10 110384.000 110830.745 0.40% - 0s H 0 0 110559.00000 110830.745 0.25% - 0s 0 2 110830.480 0 10 110559.000 110830.480 0.25% - 0s H 10 10 110700.00000 110827.567 0.12% 2.7 0s H 2601 1360 110718.00000 110814.548 0.09% 2.4 0s 96755 31753 110767.884 46 5 110718.000 110788.384 0.06% 2.4 5s 209060 79752 110750.419 56 5 110718.000 110776.988 0.05% 2.4 10s 322137 115847 110770.548 51 5 110718.000 110770.548 0.05% 2.4 15s 437391 142581 cutoff 59 110718.000 110765.931 0.04% 2.4 20s 553528 162524 110728.585 54 5 110718.000 110762.094 0.04% 2.4 25s H626646 167982 110720.00000 110759.948 0.04% 2.4 28s 669999 170821 110737.460 55 5 110720.000 110758.659 0.03% 2.4 30s 789006 173264 cutoff 62 110720.000 110755.221 0.03% 2.4 35s 908294 168009 110751.891 53 5 110720.000 110751.891 0.03% 2.4 40s 1027811 154393 cutoff 63 110720.000 110748.507 0.03% 2.4 45s 1145424 132027 110739.816 53 5 110720.000 110744.778 0.02% 2.4 50s 1264856 96769 110732.625 51 5 110720.000 110739.998 0.02% 2.3 55s 1383086 41303 110725.459 54 4 110720.000 110731.642 0.01% 2.3 60s Cutting planes: Gomory: 5 MIR: 5 Zero half: 2 Explored 1387666 nodes (3226768 simplex iterations) in 60.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.107200000000e+05, best bound 1.107310000000e+05, gap 0.0099%