Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:47:28 2014 Optimize a model with 23872 rows, 11991 columns and 59405 nonzeros Presolve removed 109 rows and 0 columns Presolve time: 0.27s Presolved: 23763 rows, 11991 columns, 59296 nonzeros Variable types: 1 continuous, 11990 integer (11990 binary) Found heuristic solution: objective 0.9405017 Found heuristic solution: objective 0.9355932 Found heuristic solution: objective 0.6914613 Root relaxation: objective 3.658683e-03, 13233 iterations, 1.67 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00366 0 8852 0.69146 0.00366 99.5% - 3s H 0 0 0.3994276 0.00366 99.1% - 7s 0 0 0.00623 0 4102 0.39943 0.00623 98.4% - 10s 0 0 0.00958 0 4112 0.39943 0.00958 97.6% - 12s H 0 0 0.3836655 0.00958 97.5% - 13s 0 0 0.00987 0 3833 0.38367 0.00987 97.4% - 13s H 0 0 0.3832664 0.00987 97.4% - 13s H 0 0 0.3713354 0.00987 97.3% - 13s 0 0 0.01498 0 3700 0.37134 0.01498 96.0% - 14s H 0 0 0.3611396 0.01498 95.9% - 14s 0 0 0.01514 0 3487 0.36114 0.01514 95.8% - 14s 0 0 0.01514 0 3487 0.36114 0.01514 95.8% - 15s 0 0 0.01514 0 3346 0.36114 0.01514 95.8% - 16s H 0 0 0.3568344 0.01514 95.8% - 16s H 0 0 0.2873453 0.01514 94.7% - 24s 0 2 0.01803 0 2043 0.28735 0.01803 93.7% - 25s H 108 66 0.2308743 0.03691 84.0% 184 27s H 135 77 0.2170523 0.15362 29.2% 180 28s * 137 77 136 0.2165343 0.15362 29.1% 177 28s * 159 76 144 0.2123005 0.15362 27.6% 159 28s H 164 47 0.2076999 0.15362 26.0% 156 28s * 169 42 122 0.2036806 0.15788 22.5% 156 28s * 181 34 114 0.2018090 0.17144 15.0% 160 28s * 184 30 116 0.2000063 0.17144 14.3% 160 28s * 191 33 122 0.1950458 0.17144 12.1% 155 28s * 192 31 122 0.1945196 0.17144 11.9% 154 28s * 193 30 121 0.1940874 0.17144 11.7% 153 28s * 199 24 112 0.1924240 0.17144 10.9% 155 28s * 206 29 116 0.1920779 0.17289 10.0% 154 28s * 217 31 117 0.1882945 0.17289 8.18% 149 28s Cutting planes: Gomory: 3 Implied bound: 5 MIR: 2027 Explored 248 nodes (112654 simplex iterations) in 28.87 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.882944717953e-01, best bound 1.882899896824e-01, gap 0.0024%