Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:04:32 2014 Optimize a model with 24336 rows, 24181 columns and 96255 nonzeros Presolve time: 0.55s Presolved: 24336 rows, 24181 columns, 96255 nonzeros Variable types: 1 continuous, 24180 integer (24180 binary) Found heuristic solution: objective 1.0124430 Found heuristic solution: objective 0.9725040 Found heuristic solution: objective 0.8788447 Root relaxation: objective 9.843726e-02, 7210 iterations, 1.99 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.09844 0 1415 0.87884 0.09844 88.8% - 3s H 0 0 0.2448753 0.09844 59.8% - 3s H 0 0 0.2354859 0.09844 58.2% - 3s 0 0 0.10004 0 1428 0.23549 0.10004 57.5% - 5s 0 0 0.10004 0 1417 0.23549 0.10004 57.5% - 6s 0 0 0.10004 0 1479 0.23549 0.10004 57.5% - 6s 0 0 0.10037 0 1526 0.23549 0.10037 57.4% - 6s 0 0 0.10060 0 1564 0.23549 0.10060 57.3% - 7s H 0 0 0.2258680 0.10060 55.5% - 7s 0 0 0.10077 0 1501 0.22587 0.10077 55.4% - 7s 0 0 0.10077 0 1444 0.22587 0.10077 55.4% - 8s H 0 0 0.2113686 0.10077 52.3% - 8s H 0 0 0.1828517 0.10077 44.9% - 8s 0 2 0.10138 0 1336 0.18285 0.10138 44.6% - 9s 10 12 0.10433 5 1289 0.18285 0.10309 43.6% 592 10s * 67 67 35 0.1821024 0.10309 43.4% 406 12s H 81 78 0.1819926 0.10309 43.4% 361 12s * 90 83 48 0.1819326 0.10309 43.3% 332 12s * 91 77 48 0.1789118 0.10309 42.4% 328 12s H 108 90 0.1761796 0.10315 41.5% 318 13s H 135 117 0.1704562 0.10315 39.5% 316 13s * 138 116 30 0.1654666 0.10315 37.7% 313 13s H 162 134 0.1639130 0.10334 37.0% 304 14s H 189 149 0.1619072 0.10338 36.1% 282 14s 195 147 0.11775 2 869 0.16191 0.10342 36.1% 288 15s * 218 164 12 0.1616059 0.10342 36.0% 279 15s * 227 165 9 0.1615116 0.10344 36.0% 277 15s * 228 163 9 0.1583026 0.10344 34.7% 276 15s 363 30 cutoff 34 0.15830 0.14250 10.0% 290 20s Cutting planes: Gomory: 5 MIR: 4 Zero half: 1 Explored 394 nodes (130565 simplex iterations) in 20.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.583025591344e-01, best bound 1.583025591344e-01, gap 0.0%