Gurobi 5.6.3 (linux64) logging started Wed Oct 8 03:15:48 2014 Optimize a model with 44100 rows, 43891 columns and 174933 nonzeros Presolve time: 1.21s Presolved: 44100 rows, 43891 columns, 174933 nonzeros Variable types: 1 continuous, 43890 integer (43890 binary) Found heuristic solution: objective 0.7352701 Found heuristic solution: objective 0.7323271 Found heuristic solution: objective 0.7139797 Root relaxation: objective 8.661630e-02, 11102 iterations, 3.52 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.08662 0 1740 0.71398 0.08662 87.9% - 6s H 0 0 0.1502331 0.08662 42.3% - 9s 0 0 0.08838 0 1521 0.15023 0.08838 41.2% - 12s 0 0 0.08838 0 1516 0.15023 0.08838 41.2% - 14s 0 0 0.08935 0 1503 0.15023 0.08935 40.5% - 14s 0 0 0.08983 0 1515 0.15023 0.08983 40.2% - 14s 0 0 0.08997 0 1531 0.15023 0.08997 40.1% - 14s 0 0 0.09065 0 1566 0.15023 0.09065 39.7% - 15s 0 0 0.09105 0 1535 0.15023 0.09105 39.4% - 15s 0 0 0.09121 0 1516 0.15023 0.09121 39.3% - 15s 0 0 0.09121 0 1524 0.15023 0.09121 39.3% - 15s 0 0 0.09121 0 1449 0.15023 0.09121 39.3% - 15s 0 2 0.09121 0 1449 0.15023 0.09121 39.3% - 16s 56 58 0.11192 29 860 0.15023 0.09245 38.5% 492 20s H 81 81 0.1478807 0.09245 37.5% 454 21s H 108 106 0.1470474 0.09245 37.1% 393 21s * 115 107 62 0.1454778 0.09245 36.4% 388 21s H 154 140 0.1454775 0.09247 36.4% 364 22s H 162 148 0.1448540 0.09247 36.2% 360 23s * 166 150 31 0.1431184 0.09247 35.4% 355 23s * 169 151 33 0.1429684 0.09247 35.3% 349 23s * 170 148 33 0.1427877 0.09247 35.2% 347 23s H 189 163 0.1420059 0.09271 34.7% 346 24s H 216 181 0.1415108 0.09272 34.5% 334 25s H 220 185 0.1414130 0.09272 34.4% 334 25s * 240 188 27 0.1401205 0.09272 33.8% 311 25s * 253 189 12 0.1392370 0.09282 33.3% 309 25s * 255 185 13 0.1377142 0.09282 32.6% 307 25s * 257 184 14 0.1365866 0.09282 32.0% 304 25s * 259 181 3 0.1346688 0.09282 31.1% 310 25s H 264 182 0.1346024 0.09318 30.8% 325 26s H 264 180 0.1342817 0.09318 30.6% 325 26s H 271 181 0.1340725 0.09318 30.5% 318 26s 346 106 infeasible 4 0.13407 0.10440 22.1% 346 30s Cutting planes: Gomory: 8 MIR: 19 Zero half: 2 Explored 453 nodes (161662 simplex iterations) in 30.84 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.340725116432e-01, best bound 1.340725116432e-01, gap 0.0%