Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:35:22 2014 Optimize a model with 22156 rows, 11131 columns and 55125 nonzeros Presolve removed 105 rows and 0 columns Presolve time: 0.24s Presolved: 22051 rows, 11131 columns, 55020 nonzeros Variable types: 1 continuous, 11130 integer (11130 binary) Found heuristic solution: objective 0.9629126 Found heuristic solution: objective 0.9433198 Found heuristic solution: objective 0.9238209 Root relaxation: objective 3.224351e-03, 15768 iterations, 3.89 seconds Total elapsed time = 5.23s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00322 0 10436 0.92382 0.00322 100% - 5s H 0 0 0.3392490 0.00322 99.0% - 9s H 0 0 0.3367153 0.00322 99.0% - 9s 0 0 0.00846 0 2748 0.33672 0.00846 97.5% - 14s 0 0 0.01242 0 2658 0.33672 0.01242 96.3% - 16s H 0 0 0.3358247 0.01242 96.3% - 16s H 0 0 0.3314659 0.01242 96.3% - 16s 0 0 0.01266 0 2624 0.33147 0.01266 96.2% - 16s 0 0 0.01888 0 2625 0.33147 0.01888 94.3% - 17s 0 0 0.01889 0 2611 0.33147 0.01889 94.3% - 17s H 0 0 0.3263095 0.01889 94.2% - 17s 0 0 0.01916 0 2517 0.32631 0.01916 94.1% - 17s H 0 0 0.3227600 0.01916 94.1% - 17s 0 0 0.01942 0 2324 0.32276 0.01942 94.0% - 17s H 0 0 0.3215016 0.01942 94.0% - 17s 0 0 0.01959 0 2348 0.32150 0.01959 93.9% - 18s 0 0 0.01959 0 2296 0.32150 0.01959 93.9% - 18s H 0 0 0.3056864 0.01959 93.6% - 18s 0 0 0.02033 0 2054 0.30569 0.02033 93.3% - 18s 0 0 0.02041 0 2171 0.30569 0.02041 93.3% - 18s 0 0 0.02041 0 1817 0.30569 0.02041 93.3% - 19s H 0 0 0.2653128 0.02041 92.3% - 23s 0 2 0.02348 0 1255 0.26531 0.02348 91.2% - 24s 37 39 0.03339 37 1098 0.26531 0.03339 87.4% 287 25s H 54 54 0.2538160 0.11440 54.9% 216 25s H 81 54 0.2476605 0.11440 53.8% 168 25s * 99 63 51 0.2401824 0.11440 52.4% 169 25s H 108 62 0.2288794 0.11440 50.0% 174 26s * 119 69 42 0.2237027 0.11951 46.6% 184 26s H 135 72 0.2193908 0.12181 44.5% 182 26s * 145 75 45 0.2181272 0.12181 44.2% 174 26s H 162 68 0.2044785 0.12496 38.9% 175 27s * 187 68 40 0.2003725 0.12496 37.6% 171 27s H 191 42 0.1859576 0.12496 32.8% 167 27s * 194 45 30 0.1858456 0.13347 28.2% 169 27s * 196 45 31 0.1848286 0.13347 27.8% 167 27s * 197 42 31 0.1832877 0.13347 27.2% 166 27s Cutting planes: Gomory: 23 Implied bound: 7 MIR: 810 Explored 240 nodes (125552 simplex iterations) in 28.67 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.832876955036e-01, best bound 1.832876955036e-01, gap 0.0%