Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:59:20 2014 Optimize a model with 30625 rows, 30451 columns and 121278 nonzeros Presolve time: 0.78s Presolved: 30625 rows, 30451 columns, 121278 nonzeros Variable types: 1 continuous, 30450 integer (30450 binary) Found heuristic solution: objective 1.0619889 Found heuristic solution: objective 1.0219598 Found heuristic solution: objective 1.0127375 Root relaxation: objective 9.162573e-02, 8013 iterations, 1.92 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.09163 0 1544 1.01274 0.09163 91.0% - 3s H 0 0 0.2535755 0.09163 63.9% - 3s 0 0 0.09293 0 1580 0.25358 0.09293 63.4% - 6s 0 0 0.09293 0 1546 0.25358 0.09293 63.4% - 7s H 0 0 0.2512258 0.09293 63.0% - 7s 0 0 0.09293 0 1618 0.25123 0.09293 63.0% - 8s H 0 0 0.2440253 0.09293 61.9% - 8s 0 0 0.09303 0 1595 0.24403 0.09303 61.9% - 8s 0 0 0.09303 0 1569 0.24403 0.09303 61.9% - 8s 0 0 0.09305 0 1591 0.24403 0.09305 61.9% - 9s 0 0 0.09305 0 1551 0.24403 0.09305 61.9% - 9s H 0 0 0.2435485 0.09305 61.8% - 9s H 0 0 0.1673590 0.09305 44.4% - 10s H 0 0 0.1660907 0.09305 44.0% - 10s 0 2 0.09420 0 1359 0.16609 0.09420 43.3% - 10s H 54 54 0.1636641 0.09555 41.6% 367 13s H 81 81 0.1624401 0.09555 41.2% 323 14s * 94 94 47 0.1613825 0.09555 40.8% 292 14s 123 111 0.10629 16 1059 0.16138 0.09667 40.1% 273 15s H 135 119 0.1613416 0.09667 40.1% 268 15s H 162 136 0.1590912 0.09667 39.2% 264 15s * 168 135 41 0.1582476 0.09667 38.9% 258 15s H 187 152 0.1560563 0.09699 37.8% 256 16s H 189 148 0.1494131 0.09699 35.1% 256 16s H 195 152 0.1459072 0.09699 33.5% 254 16s * 197 152 22 0.1458393 0.09699 33.5% 251 16s * 198 151 22 0.1457601 0.09699 33.5% 250 16s H 202 146 0.1449168 0.09699 33.1% 251 16s * 205 147 7 0.1448830 0.09699 33.1% 248 16s * 207 147 8 0.1445793 0.09699 32.9% 245 16s * 208 146 8 0.1440837 0.09699 32.7% 244 16s * 210 143 4 0.1440007 0.09711 32.6% 247 17s * 216 143 6 0.1432350 0.09716 32.2% 250 17s 242 117 infeasible 5 0.14323 0.09936 30.6% 307 20s * 291 86 11 0.1431196 0.10818 24.4% 328 22s * 294 83 9 0.1429322 0.10818 24.3% 325 22s Cutting planes: Gomory: 6 Zero half: 2 Explored 378 nodes (136080 simplex iterations) in 24.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.429321994290e-01, best bound 1.429321994290e-01, gap 0.0%