Gurobi 5.0.1 (linux64) logging started Sun Nov 18 08:04:50 2012 Optimize a model with 585 rows, 526 columns and 1986 nonzeros Presolve removed 0 rows and 16 columns Presolve time: 0.00s Presolved: 585 rows, 510 columns, 1970 nonzeros Variable types: 0 continuous, 510 integer (509 binary) Found heuristic solution: objective 117.0000000 Root relaxation: objective 0.000000e+00, 301 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 0 214 117.00000 0.00000 100% - 0s H 0 0 101.0000000 0.00000 100% - 0s H 0 0 83.0000000 0.00000 100% - 0s H 0 0 80.0000000 0.00000 100% - 0s 0 0 0.30380 0 216 80.00000 0.30380 100% - 0s H 0 0 74.0000000 0.30380 100% - 0s 0 0 0.72770 0 217 74.00000 0.72770 99.0% - 0s H 0 0 64.0000000 0.72770 98.9% - 0s 0 0 0.72897 0 217 64.00000 0.72897 98.9% - 0s 0 0 0.72897 0 217 64.00000 0.72897 98.9% - 0s H 0 0 63.0000000 0.72897 98.8% - 0s H 0 0 59.0000000 0.72897 98.8% - 0s H 0 0 58.0000000 0.72897 98.7% - 0s 0 2 0.72897 0 217 58.00000 0.72897 98.7% - 0s H 24 24 48.0000000 1.00000 97.9% 51.3 0s H 27 27 46.0000000 1.00000 97.8% 49.1 0s H 54 54 44.0000000 1.00000 97.7% 34.5 0s * 62 48 40 25.0000000 1.00000 96.0% 31.3 0s H 305 205 23.0000000 1.00000 95.7% 38.0 0s * 1240 389 36 21.0000000 9.48571 54.8% 34.7 2s 2994 633 19.43023 28 207 21.00000 14.27419 32.0% 28.9 5s 6656 617 17.80203 23 228 21.00000 16.49425 21.5% 26.3 10s Explored 9133 nodes (234631 simplex iterations) in 13.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.100000000000e+01, best bound 2.100000000000e+01, gap 0.0%