Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:19:57 2014 Optimize a model with 19307 rows, 9703 columns and 48020 nonzeros Presolve removed 98 rows and 0 columns Presolve time: 0.21s Presolved: 19209 rows, 9703 columns, 47922 nonzeros Variable types: 1 continuous, 9702 integer (9702 binary) Found heuristic solution: objective 0.8824201 Found heuristic solution: objective 0.8512119 Found heuristic solution: objective 0.8079972 Root relaxation: objective 3.718124e-03, 12648 iterations, 2.98 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00372 0 8221 0.80800 0.00372 100% - 3s H 0 0 0.3869123 0.00372 99.0% - 6s H 0 0 0.3856028 0.00372 99.0% - 6s 0 0 0.00787 0 2995 0.38560 0.00787 98.0% - 9s 0 0 0.01244 0 2746 0.38560 0.01244 96.8% - 12s H 0 0 0.3748439 0.01244 96.7% - 12s H 0 0 0.3576907 0.01244 96.5% - 12s 0 0 0.01351 0 2420 0.35769 0.01351 96.2% - 12s H 0 0 0.3575284 0.01351 96.2% - 12s H 0 0 0.3521424 0.01351 96.2% - 12s 0 0 0.01985 0 2386 0.35214 0.01985 94.4% - 13s H 0 0 0.3518447 0.01985 94.4% - 13s H 0 0 0.3497715 0.01985 94.3% - 13s 0 0 0.02001 0 2330 0.34977 0.02001 94.3% - 13s H 0 0 0.3409156 0.02001 94.1% - 13s H 0 0 0.3405542 0.02001 94.1% - 13s 0 0 0.02042 0 2121 0.34055 0.02042 94.0% - 13s H 0 0 0.3173132 0.02042 93.6% - 13s 0 0 0.02139 0 1725 0.31731 0.02139 93.3% - 14s H 0 0 0.3147644 0.02139 93.2% - 14s 0 1 0.02139 0 1688 0.31476 0.02139 93.2% - 29s H 1 1 0.2766698 0.02139 92.3% 3070 32s H 3 2 0.2737121 0.04278 84.4% 1023 33s H 6 4 0.2661749 0.04754 82.1% 512 33s H 9 6 0.2660962 0.05219 80.4% 341 34s H 11 6 0.2579648 0.05315 79.4% 279 34s H 12 7 0.2447615 0.05468 77.7% 256 34s 13 7 0.05468 0 851 0.24476 0.05468 77.7% 236 35s H 13 6 0.2427760 0.06098 74.9% 236 35s H 18 9 0.2387212 0.06297 73.6% 171 36s H 22 10 0.2205593 0.06660 69.8% 1405 41s H 24 11 0.2167528 0.13607 37.2% 1288 42s H 30 14 0.2111556 0.15881 24.8% 1030 43s H 31 13 0.2089064 0.16480 21.1% 997 43s H 34 14 0.2051418 0.17747 13.5% 909 44s Cutting planes: Gomory: 1 MIR: 9 Zero half: 2 Explored 35 nodes (105132 simplex iterations) in 44.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.051417883120e-01, best bound 2.051417883120e-01, gap 0.0%