Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:32:29 2014 Optimize a model with 21737 rows, 10921 columns and 54080 nonzeros Presolve removed 104 rows and 0 columns Presolve time: 0.24s Presolved: 21633 rows, 10921 columns, 53976 nonzeros Variable types: 1 continuous, 10920 integer (10920 binary) Found heuristic solution: objective 0.9413323 Found heuristic solution: objective 0.9384731 Found heuristic solution: objective 0.6544267 Root relaxation: objective 3.882470e-03, 13223 iterations, 3.64 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00388 0 7744 0.65443 0.00388 99.4% - 5s H 0 0 0.4350192 0.00388 99.1% - 8s 0 0 0.00577 0 4327 0.43502 0.00577 98.7% - 11s 0 0 0.00935 0 4353 0.43502 0.00935 97.9% - 13s H 0 0 0.3972794 0.00935 97.6% - 14s 0 0 0.01004 0 3739 0.39728 0.01004 97.5% - 14s H 0 0 0.3749757 0.01004 97.3% - 14s H 0 0 0.3719002 0.01004 97.3% - 14s 0 0 0.01527 0 3197 0.37190 0.01527 95.9% - 16s H 0 0 0.3426795 0.01527 95.5% - 17s 0 1 0.01527 0 2947 0.34268 0.01527 95.5% - 68s H 1 1 0.3321422 0.01527 95.4% 9758 78s 4 3 0.02262 0 1956 0.33214 0.02262 93.2% 2440 81s H 4 2 0.3319226 0.02269 93.2% 2440 81s H 9 6 0.3314834 0.02955 91.1% 1084 85s H 13 7 0.2470279 0.02974 88.0% 751 91s 46 34 0.16668 26 443 0.24703 0.06007 75.7% 1516 95s H 95 69 0.2370900 0.07479 68.5% 974 97s H 122 80 0.2306185 0.08904 61.4% 856 99s H 149 77 0.2207812 0.08904 59.7% 742 100s * 174 93 49 0.2177133 0.08904 59.1% 651 100s H 178 68 0.2044591 0.08904 56.4% 637 100s H 205 90 0.2019130 0.09114 54.9% 581 101s * 210 89 44 0.1989144 0.09114 54.2% 568 101s * 212 81 44 0.1959395 0.09114 53.5% 563 101s * 223 82 36 0.1940354 0.09325 51.9% 538 101s Cutting planes: Gomory: 21 Implied bound: 5 MIR: 737 Explored 306 nodes (217291 simplex iterations) in 102.88 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.940354439248e-01, best bound 1.940354439248e-01, gap 0.0%