Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:39:33 2012 Optimize a model with 5346 rows, 146 columns and 10692 nonzeros Presolve removed 3881 rows and 0 columns Presolve time: 0.21s Presolved: 1465 rows, 146 columns, 10695 nonzeros Variable types: 0 continuous, 146 integer (146 binary) Found heuristic solution: objective 7.0000000 Root relaxation: objective 1.814654e+01, 658 iterations, 0.05 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 18.14654 0 144 7.00000 18.14654 159% - 0s H 0 0 8.0000000 18.14654 127% - 0s 0 0 17.56111 0 144 8.00000 17.56111 120% - 0s H 0 0 9.0000000 17.56111 95.1% - 0s 0 0 17.39190 0 144 9.00000 17.39190 93.2% - 0s 0 0 17.34614 0 146 9.00000 17.34614 92.7% - 0s 0 0 17.30697 0 145 9.00000 17.30697 92.3% - 1s 0 0 17.29941 0 145 9.00000 17.29941 92.2% - 1s 0 0 17.28803 0 145 9.00000 17.28803 92.1% - 1s 0 0 17.27392 0 145 9.00000 17.27392 91.9% - 1s 0 0 17.26590 0 146 9.00000 17.26590 91.8% - 1s 0 0 17.26228 0 146 9.00000 17.26228 91.8% - 2s 0 0 17.26054 0 145 9.00000 17.26054 91.8% - 2s 0 0 17.26038 0 146 9.00000 17.26038 91.8% - 2s 0 0 17.26036 0 146 9.00000 17.26036 91.8% - 2s 0 2 17.25967 0 146 9.00000 17.25967 91.8% - 3s 190 146 13.90175 5 71 9.00000 16.70764 85.6% 88.2 5s 601 363 12.03823 18 146 9.00000 14.83075 64.8% 76.0 11s 626 382 13.03272 22 61 9.00000 14.83075 64.8% 84.9 15s H 910 359 10.0000000 14.17823 41.8% 97.1 18s 1241 338 12.09311 32 63 10.00000 13.23151 32.3% 83.8 20s 1713 75 11.36567 24 39 10.00000 11.60674 16.1% 72.6 25s Cutting planes: Clique: 62 Explored 1807 nodes (127201 simplex iterations) in 26.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%