Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:06:47 2014 Optimize a model with 24649 rows, 24493 columns and 97500 nonzeros Presolve time: 0.56s Presolved: 24649 rows, 24493 columns, 97500 nonzeros Variable types: 1 continuous, 24492 integer (24492 binary) Found heuristic solution: objective 1.2034290 Found heuristic solution: objective 1.0265089 Found heuristic solution: objective 0.9241524 Root relaxation: objective 9.923339e-02, 7456 iterations, 1.49 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.09923 0 1352 0.92415 0.09923 89.3% - 2s H 0 0 0.2172857 0.09923 54.3% - 2s 0 0 0.09992 0 1258 0.21729 0.09992 54.0% - 4s 0 0 0.09992 0 1316 0.21729 0.09992 54.0% - 5s 0 0 0.09992 0 1279 0.21729 0.09992 54.0% - 5s 0 0 0.09996 0 1256 0.21729 0.09996 54.0% - 5s 0 0 0.09996 0 1257 0.21729 0.09996 54.0% - 5s 0 0 0.09996 0 1227 0.21729 0.09996 54.0% - 6s H 0 0 0.1876698 0.09996 46.7% - 6s H 0 0 0.1867799 0.09996 46.5% - 6s H 0 0 0.1862564 0.09996 46.3% - 6s 0 2 0.10143 0 1103 0.18626 0.10143 45.5% - 7s H 27 27 0.1733330 0.10364 40.2% 404 8s H 54 54 0.1676623 0.10364 38.2% 331 8s * 72 64 9 0.1672908 0.10369 38.0% 313 9s * 73 59 9 0.1666551 0.10369 37.8% 309 9s * 79 57 9 0.1651994 0.10369 37.2% 288 9s H 81 54 0.1611956 0.10369 35.7% 281 9s * 107 74 15 0.1606860 0.10439 35.0% 268 9s H 108 67 0.1502858 0.10439 30.5% 265 9s 117 60 0.14955 6 2 0.15029 0.10565 29.7% 274 10s * 118 59 7 0.1502409 0.10565 29.7% 272 10s * 119 48 7 0.1495487 0.10565 29.4% 270 10s Cutting planes: Gomory: 2 Zero half: 3 Explored 168 nodes (66061 simplex iterations) in 11.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.495487261572e-01, best bound 1.495487261572e-01, gap 0.0%