Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:52:20 2014 Optimize a model with 24754 rows, 12433 columns and 61605 nonzeros Presolve removed 111 rows and 0 columns Presolve time: 0.28s Presolved: 24643 rows, 12433 columns, 61494 nonzeros Variable types: 1 continuous, 12432 integer (12432 binary) Found heuristic solution: objective 1.1871735 Found heuristic solution: objective 1.0266631 Found heuristic solution: objective 0.7805512 Root relaxation: objective 3.185178e-03, 18980 iterations, 2.45 seconds Total elapsed time = 5.71s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00319 0 10197 0.78055 0.00319 100% - 6s H 0 0 0.2885258 0.00319 98.9% - 10s 0 0 0.00947 0 2370 0.28853 0.00947 96.7% - 16s 0 0 0.01366 0 2149 0.28853 0.01366 95.3% - 17s 0 0 0.01371 0 2139 0.28853 0.01371 95.2% - 17s 0 0 0.01889 0 2170 0.28853 0.01889 93.5% - 18s 0 0 0.01892 0 2160 0.28853 0.01892 93.4% - 18s 0 0 0.01895 0 2154 0.28853 0.01895 93.4% - 18s 0 0 0.01897 0 2151 0.28853 0.01897 93.4% - 18s 0 0 0.01901 0 2146 0.28853 0.01901 93.4% - 18s H 0 0 0.2782046 0.01901 93.2% - 18s 0 0 0.02009 0 1937 0.27820 0.02009 92.8% - 19s 0 0 0.02014 0 1959 0.27820 0.02014 92.8% - 19s 0 0 0.02014 0 1729 0.27820 0.02014 92.8% - 19s H 0 0 0.2597728 0.02014 92.2% - 22s 0 2 0.02226 0 1452 0.25977 0.02226 91.4% - 23s H 54 54 0.2552643 0.05441 78.7% 244 24s H 81 70 0.2373266 0.06431 72.9% 200 24s * 103 89 103 0.2323457 0.06431 72.3% 168 24s H 108 72 0.2261016 0.06431 71.6% 176 24s 111 77 0.07491 14 506 0.22610 0.07137 68.4% 179 25s * 122 84 25 0.2247996 0.07137 68.3% 176 25s * 130 78 29 0.2195746 0.07137 67.5% 167 25s H 135 76 0.2194500 0.07137 67.5% 170 25s * 162 99 27 0.2191563 0.08465 61.4% 157 25s H 164 83 0.2121950 0.08465 60.1% 155 25s * 183 77 26 0.2068024 0.10867 47.5% 152 25s H 191 75 0.2067334 0.11555 44.1% 157 25s * 200 81 15 0.2024341 0.11555 42.9% 151 25s * 217 74 13 0.2000865 0.12056 39.7% 150 26s * 218 73 13 0.1994814 0.12056 39.6% 149 26s H 221 54 0.1949585 0.12056 38.2% 147 26s * 230 53 12 0.1947441 0.12056 38.1% 151 26s * 240 51 8 0.1943304 0.13271 31.7% 155 26s H 249 54 0.1940216 0.13271 31.6% 150 26s H 294 6 0.1931151 0.19195 0.61% 152 27s Cutting planes: Gomory: 26 Implied bound: 7 MIR: 676 Explored 303 nodes (128177 simplex iterations) in 27.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.931151291898e-01, best bound 1.931151291898e-01, gap 0.0%