Gurobi 5.0.1 (linux64) logging started Wed Nov 28 03:51:14 2012 Optimize a model with 257 rows, 256 columns and 1155 nonzeros Presolve removed 0 rows and 1 columns Presolve time: 0.00s Presolved: 257 rows, 255 columns, 1350 nonzeros Variable types: 15 continuous, 240 integer (240 binary) Found heuristic solution: objective 10472.000000 Root relaxation: objective 1.813333e+02, 64 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 181.33333 0 15 10472.0000 181.33333 98.3% - 0s 0 0 1152.00000 0 33 10472.0000 1152.00000 89.0% - 0s 0 0 1152.00000 0 37 10472.0000 1152.00000 89.0% - 0s 0 0 1152.00000 0 12 10472.0000 1152.00000 89.0% - 0s H 0 0 2251.0000000 1152.00000 48.8% - 0s 0 0 1152.00000 0 4 2251.00000 1152.00000 48.8% - 0s 0 0 1152.00000 0 6 2251.00000 1152.00000 48.8% - 0s 0 0 1152.00000 0 4 2251.00000 1152.00000 48.8% - 0s 0 0 1152.00000 0 4 2251.00000 1152.00000 48.8% - 0s H 0 0 2049.0000000 1152.00000 43.8% - 0s 0 0 1152.00000 0 4 2049.00000 1152.00000 43.8% - 0s 0 0 1152.00000 0 10 2049.00000 1152.00000 43.8% - 0s 0 0 1152.00000 0 10 2049.00000 1152.00000 43.8% - 0s 0 2 1152.00000 0 10 2049.00000 1152.00000 43.8% - 0s * 36 24 30 2022.0000000 1152.00000 43.0% 6.3 0s H 217 140 2018.0000000 1152.26667 42.9% 5.6 0s H 440 249 1816.0000000 1153.06667 36.5% 4.9 0s * 749 339 31 1812.0000000 1156.00000 36.2% 7.6 0s Cutting planes: Learned: 4 Gomory: 1 Explored 6959 nodes (59374 simplex iterations) in 2.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.812000000000e+03, best bound 1.812000000000e+03, gap 0.0%