Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:37:39 2012 Optimize a model with 5299 rows, 145 columns and 10598 nonzeros Presolve removed 3828 rows and 0 columns Presolve time: 0.20s Presolved: 1471 rows, 145 columns, 10608 nonzeros Variable types: 0 continuous, 145 integer (145 binary) Found heuristic solution: objective 6.0000000 Root relaxation: objective 1.807442e+01, 652 iterations, 0.05 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 18.07442 0 142 6.00000 18.07442 201% - 0s H 0 0 8.0000000 18.07442 126% - 0s 0 0 17.59497 0 142 8.00000 17.59497 120% - 0s 0 0 17.47811 0 145 8.00000 17.47811 118% - 0s 0 0 17.45463 0 145 8.00000 17.45463 118% - 0s H 0 0 10.0000000 17.45463 74.5% - 0s 0 0 17.44057 0 144 10.00000 17.44057 74.4% - 1s 0 0 17.43751 0 144 10.00000 17.43751 74.4% - 1s 0 0 17.43674 0 144 10.00000 17.43674 74.4% - 1s 0 0 17.41147 0 144 10.00000 17.41147 74.1% - 1s 0 0 17.40820 0 145 10.00000 17.40820 74.1% - 1s 0 0 17.40685 0 145 10.00000 17.40685 74.1% - 2s 0 0 17.40265 0 143 10.00000 17.40265 74.0% - 2s 0 0 17.40212 0 144 10.00000 17.40212 74.0% - 2s 0 0 17.39272 0 144 10.00000 17.39272 73.9% - 2s 0 0 17.39000 0 144 10.00000 17.39000 73.9% - 3s 0 0 17.38296 0 144 10.00000 17.38296 73.8% - 3s 0 0 17.36534 0 144 10.00000 17.36534 73.7% - 3s 0 0 17.35064 0 145 10.00000 17.35064 73.5% - 3s 0 0 17.34926 0 145 10.00000 17.34926 73.5% - 3s 0 0 17.34903 0 145 10.00000 17.34903 73.5% - 4s 0 0 17.34898 0 145 10.00000 17.34898 73.5% - 4s 0 2 17.34639 0 145 10.00000 17.34639 73.5% - 4s 25 27 14.95740 25 113 10.00000 17.34220 73.4% 124 5s 587 170 11.16129 10 38 10.00000 13.22703 32.3% 86.4 10s * 599 101 8 11.0000000 13.16713 19.7% 85.9 10s Cutting planes: Clique: 122 Explored 701 nodes (55398 simplex iterations) in 10.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%