Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:57:45 2014 Optimize a model with 25652 rows, 12883 columns and 63845 nonzeros Presolve removed 113 rows and 0 columns Presolve time: 0.29s Presolved: 25539 rows, 12883 columns, 63732 nonzeros Variable types: 1 continuous, 12882 integer (12882 binary) Found heuristic solution: objective 1.2137630 Found heuristic solution: objective 0.9825085 Found heuristic solution: objective 0.9503939 Root relaxation: objective 2.958049e-03, 17362 iterations, 5.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00296 0 12179 0.95039 0.00296 100% - 7s H 0 0 0.3196747 0.00296 99.1% - 12s 0 0 0.00836 0 2829 0.31967 0.00836 97.4% - 18s 0 0 0.01128 0 2784 0.31967 0.01128 96.5% - 19s 0 0 0.01131 0 2778 0.31967 0.01131 96.5% - 19s 0 0 0.01695 0 2784 0.31967 0.01695 94.7% - 20s 0 0 0.01696 0 2781 0.31967 0.01696 94.7% - 20s 0 0 0.01696 0 2746 0.31967 0.01696 94.7% - 21s 0 0 0.01697 0 2702 0.31967 0.01697 94.7% - 21s 0 0 0.01698 0 2700 0.31967 0.01698 94.7% - 21s H 0 0 0.3124770 0.01698 94.6% - 21s 0 0 0.01739 0 2558 0.31248 0.01739 94.4% - 21s 0 0 0.01740 0 2571 0.31248 0.01740 94.4% - 22s 0 0 0.01740 0 2375 0.31248 0.01740 94.4% - 23s H 0 0 0.2995554 0.01740 94.2% - 27s 0 2 0.01774 0 2055 0.29956 0.01774 94.1% - 28s 91 93 0.02450 91 1547 0.29956 0.02450 91.8% 159 30s H 189 186 0.2859992 0.03687 87.1% 147 31s H 216 159 0.2591315 0.12623 51.3% 150 31s * 241 164 210 0.2553109 0.12623 50.6% 148 31s H 243 150 0.2502663 0.12623 49.6% 147 31s H 270 76 0.2233370 0.14369 35.7% 146 32s * 274 70 200 0.2226756 0.14369 35.5% 147 32s * 279 46 203 0.2087658 0.14369 31.2% 145 32s * 284 29 194 0.2084787 0.14729 29.4% 145 32s H 297 25 0.1967888 0.15990 18.7% 144 32s H 324 26 0.1919220 0.16966 11.6% 144 32s Cutting planes: Gomory: 13 Implied bound: 9 MIR: 1314 Explored 393 nodes (133238 simplex iterations) in 33.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.919219767431e-01, best bound 1.919219767431e-01, gap 0.0%