Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:47:42 2014 Optimize a model with 32897 rows, 16513 columns and 81920 nonzeros Presolve removed 128 rows and 0 columns Presolve time: 0.40s Presolved: 32769 rows, 16513 columns, 81792 nonzeros Variable types: 1 continuous, 16512 integer (16512 binary) Found heuristic solution: objective 1.0201031 Found heuristic solution: objective 1.0019509 Found heuristic solution: objective 0.7914001 Root relaxation: objective 2.934460e-03, 19816 iterations, 2.96 seconds Total elapsed time = 5.19s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00293 0 13624 0.79140 0.00293 100% - 6s H 0 0 0.4433407 0.00293 99.3% - 14s 0 0 0.00474 0 6301 0.44334 0.00474 98.9% - 23s 0 0 0.00749 0 6284 0.44334 0.00749 98.3% - 29s H 0 0 0.4335455 0.00749 98.3% - 30s 0 0 0.00761 0 6111 0.43355 0.00761 98.2% - 31s H 0 0 0.3824424 0.00761 98.0% - 31s 0 0 0.01229 0 5032 0.38244 0.01229 96.8% - 33s H 0 0 0.3784069 0.01229 96.8% - 34s 0 0 0.01236 0 4648 0.37841 0.01236 96.7% - 35s H 0 0 0.2940122 0.01236 95.8% - 38s H 0 0 0.2517035 0.01236 95.1% - 38s 0 1 0.01236 0 4409 0.25170 0.01236 95.1% - 104s H 1 1 0.2331076 0.01236 94.7% 8020 113s 5 4 0.06175 0 1082 0.23311 0.06175 73.5% 1604 115s H 7 4 0.2316718 0.06397 72.4% 1146 115s H 14 8 0.2296944 0.07309 68.2% 573 118s 18 11 0.07397 0 1108 0.22969 0.07397 67.8% 446 120s H 20 12 0.2253412 0.07397 67.2% 401 122s 29 20 0.11576 15 774 0.22534 0.08078 64.2% 1500 125s H 48 28 0.2180811 0.08547 60.8% 1198 128s 55 34 0.17761 28 534 0.21808 0.08938 59.0% 1227 130s H 75 48 0.2062418 0.08938 56.7% 1016 131s H 102 50 0.1981049 0.09105 54.0% 835 132s * 110 52 28 0.1964267 0.09105 53.6% 793 132s * 117 51 25 0.1926180 0.09125 52.6% 766 133s * 140 61 24 0.1922362 0.09398 51.1% 696 134s * 142 51 26 0.1860594 0.09398 49.5% 686 134s 157 35 infeasible 25 0.18606 0.11170 40.0% 671 135s * 179 45 28 0.1848346 0.11576 37.4% 632 136s * 191 38 22 0.1843371 0.12345 33.0% 613 136s * 198 41 23 0.1839407 0.12819 30.3% 598 136s * 199 39 23 0.1835414 0.12819 30.2% 595 136s * 208 36 20 0.1822262 0.12871 29.4% 591 137s Cutting planes: Gomory: 16 MIR: 24 Zero half: 1 Explored 243 nodes (268552 simplex iterations) in 138.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.822262383847e-01, best bound 1.822262383847e-01, gap 0.0%