Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:25:51 2014 Optimize a model with 26896 rows, 26733 columns and 106439 nonzeros Presolve time: 0.64s Presolved: 26896 rows, 26733 columns, 106439 nonzeros Variable types: 1 continuous, 26732 integer (26732 binary) Found heuristic solution: objective 0.7691785 Found heuristic solution: objective 0.7638491 Found heuristic solution: objective 0.7558022 Root relaxation: objective 9.350875e-02, 7707 iterations, 1.74 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.09351 0 1444 0.75580 0.09351 87.6% - 3s H 0 0 0.2345045 0.09351 60.1% - 3s 0 0 0.09401 0 1425 0.23450 0.09401 59.9% - 5s 0 0 0.09401 0 1426 0.23450 0.09401 59.9% - 6s 0 0 0.09401 0 1429 0.23450 0.09401 59.9% - 7s 0 0 0.09431 0 1438 0.23450 0.09431 59.8% - 7s 0 0 0.09436 0 1464 0.23450 0.09436 59.8% - 7s 0 0 0.09436 0 1444 0.23450 0.09436 59.8% - 7s 0 0 0.09436 0 1444 0.23450 0.09436 59.8% - 7s 0 0 0.09436 0 1426 0.23450 0.09436 59.8% - 8s H 0 0 0.2095624 0.09436 55.0% - 10s 0 2 0.09471 0 1404 0.20956 0.09471 54.8% - 11s H 54 54 0.1783912 0.09535 46.6% 357 14s 65 67 0.12923 36 743 0.17839 0.09535 46.6% 387 15s * 81 81 45 0.1780096 0.09535 46.4% 343 15s * 83 79 45 0.1769408 0.09535 46.1% 335 15s H 87 75 0.1698581 0.09535 43.9% 320 15s H 114 102 0.1684998 0.09538 43.4% 325 16s H 141 129 0.1650979 0.09538 42.2% 303 17s * 159 138 48 0.1642357 0.09538 41.9% 284 17s H 168 143 0.1625015 0.09546 41.3% 287 17s H 195 162 0.1607317 0.09546 40.6% 268 17s H 222 179 0.1587618 0.09594 39.6% 273 18s * 234 191 18 0.1584772 0.09594 39.5% 269 18s * 245 196 23 0.1569559 0.09594 38.9% 257 19s * 246 191 23 0.1565948 0.09594 38.7% 256 19s * 248 179 23 0.1544741 0.09594 37.9% 254 19s * 269 183 16 0.1535235 0.09689 36.9% 262 19s * 272 171 18 0.1486861 0.09689 34.8% 259 19s 277 165 infeasible 5 0.14869 0.09788 34.2% 260 20s 323 119 cutoff 18 0.14869 0.10642 28.4% 341 25s Cutting planes: Gomory: 4 Zero half: 1 Mod-K: 1 Explored 443 nodes (161852 simplex iterations) in 28.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.486861072952e-01, best bound 1.486861072952e-01, gap 0.0%