Gurobi 5.0.1 (linux64) logging started Sun Nov 18 01:27:04 2012 Optimize a model with 327 rows, 223 columns and 1038 nonzeros Presolve time: 0.00s Presolved: 327 rows, 223 columns, 1038 nonzeros Variable types: 0 continuous, 223 integer (223 binary) Found heuristic solution: objective 82.0000000 Root relaxation: objective 0.000000e+00, 90 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 60 82.00000 0.00000 100% - 0s H 0 0 66.0000000 0.00000 100% - 0s 0 0 0.51724 0 61 66.00000 0.51724 99.2% - 0s H 0 0 63.0000000 0.51724 99.2% - 0s 0 0 1.00000 0 62 63.00000 1.00000 98.4% - 0s 0 0 1.14458 0 62 63.00000 1.14458 98.2% - 0s 0 0 1.21581 0 63 63.00000 1.21581 98.1% - 0s 0 0 1.31587 0 64 63.00000 1.31587 97.9% - 0s H 0 0 62.0000000 1.31587 97.9% - 0s H 0 0 54.0000000 1.31587 97.6% - 0s 0 2 1.31755 0 64 54.00000 1.31755 97.6% - 0s * 39 39 25 47.0000000 3.36364 92.8% 29.5 0s * 121 88 26 45.0000000 7.50000 83.3% 26.8 0s * 243 170 19 40.0000000 11.05263 72.4% 28.4 0s * 1476 382 26 39.0000000 17.93428 54.0% 25.3 1s 5587 955 37.75610 22 102 39.00000 26.11765 33.0% 22.8 5s 13128 381 cutoff 25 39.00000 33.28571 14.7% 21.8 10s Cutting planes: Gomory: 4 Explored 14168 nodes (304085 simplex iterations) in 10.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.900000000000e+01, best bound 3.900000000000e+01, gap 0.0%