Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:00:24 2014 Optimize a model with 34981 rows, 17557 columns and 87120 nonzeros Presolve removed 132 rows and 0 columns Presolve time: 0.43s Presolved: 34849 rows, 17557 columns, 86988 nonzeros Variable types: 1 continuous, 17556 integer (17556 binary) Found heuristic solution: objective 1.0685777 Found heuristic solution: objective 1.0664874 Found heuristic solution: objective 0.8482276 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 21709 2.8954424e-03 1.138232e+02 0.000000e+00 5s 22280 2.7409487e-03 0.000000e+00 0.000000e+00 5s Root relaxation: objective 2.740949e-03, 22280 iterations, 5.33 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00274 0 15304 0.84823 0.00274 100% - 7s H 0 0 0.2501678 0.00274 98.9% - 17s 0 0 0.00978 0 2433 0.25017 0.00978 96.1% - 28s 0 0 0.01513 0 2130 0.25017 0.01513 94.0% - 29s 0 0 0.01519 0 2120 0.25017 0.01519 93.9% - 30s 0 0 0.01935 0 2137 0.25017 0.01935 92.3% - 30s 0 0 0.01941 0 2129 0.25017 0.01941 92.2% - 30s 0 0 0.01944 0 2117 0.25017 0.01944 92.2% - 30s 0 0 0.01944 0 2097 0.25017 0.01944 92.2% - 31s 0 0 0.01944 0 2098 0.25017 0.01944 92.2% - 31s 0 0 0.01944 0 1792 0.25017 0.01944 92.2% - 32s H 0 0 0.1940468 0.01944 90.0% - 33s 0 2 0.02860 0 1081 0.19405 0.02860 85.3% - 34s 35 37 0.09055 35 528 0.19405 0.09055 53.3% 376 35s H 54 51 0.1907084 0.10871 43.0% 267 35s * 67 64 60 0.1899079 0.10871 42.8% 233 35s * 77 65 68 0.1849684 0.10871 41.2% 206 35s H 81 49 0.1823014 0.11394 37.5% 208 35s * 107 66 30 0.1793861 0.12124 32.4% 185 35s H 109 61 0.1780588 0.12124 31.9% 181 35s * 112 47 32 0.1769656 0.12124 31.5% 177 35s * 124 49 17 0.1769551 0.12124 31.5% 174 35s * 125 44 17 0.1759185 0.12124 31.1% 172 35s * 131 41 6 0.1752187 0.12221 30.3% 180 35s H 136 43 0.1734883 0.12221 29.6% 177 35s * 147 43 19 0.1701690 0.12221 28.2% 165 35s * 159 47 13 0.1697727 0.12221 28.0% 164 36s H 164 36 0.1697281 0.12221 28.0% 159 36s * 199 38 23 0.1684278 0.14793 12.2% 172 36s Cutting planes: Gomory: 7 Implied bound: 5 MIR: 507 Explored 237 nodes (128388 simplex iterations) in 37.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.684277953548e-01, best bound 1.684277953548e-01, gap 0.0%