CURRENT n: 100 1 len brk: 4 2 len brk: 4 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 4 9 len brk: 4 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 5 18 len brk: 5 19 len brk: 5 20 len brk: 5 21 len brk: 5 22 len brk: 5 23 len brk: 5 24 len brk: 5 25 len brk: 5 26 len brk: 5 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 3 31 len brk: 4 32 len brk: 4 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 3 37 len brk: 4 38 len brk: 4 39 len brk: 4 40 len brk: 5 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3599.96 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Optimize a model with 474 rows, 537 columns and 1635 nonzeros Presolve removed 432 rows and 320 columns Presolve time: 0.00s Presolved: 63 rows, 231 columns, 476 nonzeros Variable types: 177 continuous, 54 integer (54 binary) Root relaxation: objective 5.549415e+04, 50 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 1 - 55494.1520 - - 0s 0 0 55563.1428 0 2 - 55563.1428 - - 0s 0 0 55563.9682 0 1 - 55563.9682 - - 0s 0 0 55587.1202 0 1 - 55587.1202 - - 0s * 0 0 0 55594.625458 55594.6255 0.0% - 0s Cutting planes: Gomory: 1 Cover: 2 MIR: 3 Explored 0 nodes (60 simplex iterations) in 0.01 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.559462545752e+04, best bound 5.559462545752e+04, gap 0.0% CURRENT ERROR: LB UP rel abs: 55594.6254575 & 55842.2775478 & 0.00445460488697 & 247.652090252 & 0.05 CURRENT n: 100 1 len brk: 4 2 len brk: 4 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 4 9 len brk: 4 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 5 18 len brk: 5 19 len brk: 5 20 len brk: 104 21 len brk: 5 22 len brk: 5 23 len brk: 5 24 len brk: 5 25 len brk: 5 26 len brk: 5 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 3 31 len brk: 4 32 len brk: 4 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 3 37 len brk: 4 38 len brk: 4 39 len brk: 4 40 len brk: 5 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3599.91 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Optimize a model with 474 rows, 636 columns and 1932 nonzeros Presolve removed 429 rows and 319 columns Presolve time: 0.00s Presolved: 66 rows, 331 columns, 680 nonzeros Loaded MIP start with objective 55599.2 Variable types: 277 continuous, 54 integer (54 binary) Root relaxation: objective 5.549415e+04, 46 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 1 55599.1511 55494.1520 0.19% - 0s 0 0 55563.9682 0 1 55599.1511 55563.9682 0.06% - 0s 0 0 55563.9682 0 1 55599.1511 55563.9682 0.06% - 0s 0 0 55565.7455 0 1 55599.1511 55565.7455 0.06% - 0s 0 0 55582.3211 0 1 55599.1511 55582.3211 0.03% - 0s 0 0 55594.6255 0 1 55599.1511 55594.6255 0.01% - 0s Cutting planes: Cover: 1 MIR: 2 Explored 0 nodes (95 simplex iterations) in 0.01 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.559915113804e+04, best bound 5.559462545752e+04, gap 0.0081% CURRENT ERROR: LB UP rel abs: 55594.6254575 & 55846.8032283 & 0.00453600988769 & 252.177770778 & 0.1 CURRENT n: 100 1 len brk: 4 2 len brk: 4 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 4 9 len brk: 4 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 5 18 len brk: 104 19 len brk: 5 20 len brk: 104 21 len brk: 5 22 len brk: 5 23 len brk: 5 24 len brk: 5 25 len brk: 5 26 len brk: 5 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 3 31 len brk: 4 32 len brk: 4 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 3 37 len brk: 4 38 len brk: 4 39 len brk: 4 40 len brk: 5 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3599.86 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Optimize a model with 474 rows, 735 columns and 2229 nonzeros Presolve removed 426 rows and 318 columns Presolve time: 0.00s Presolved: 69 rows, 431 columns, 884 nonzeros Loaded MIP start with objective 55594.6 Variable types: 377 continuous, 54 integer (54 binary) Root relaxation: objective 5.549415e+04, 53 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 1 55594.6255 55494.1520 0.18% - 0s 0 0 55563.9682 0 1 55594.6255 55563.9682 0.06% - 0s 0 0 55564.4048 0 3 55594.6255 55564.4048 0.05% - 0s 0 0 55564.4048 0 1 55594.6255 55564.4048 0.05% - 0s 0 0 cutoff 0 55594.6255 55594.6255 0.0% - 0s Cutting planes: Gomory: 1 Cover: 1 MIR: 2 Flow cover: 2 Explored 0 nodes (95 simplex iterations) in 0.01 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.559462545752e+04, best bound 5.559462545752e+04, gap 0.0% CURRENT ERROR: LB UP rel abs: 55594.6254575 & 55842.2775478 & 0.00445460488697 & 247.652090252 & 0.16 CURRENT n: 100 1 len brk: 4 2 len brk: 4 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 4 9 len brk: 4 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 5 18 len brk: 104 19 len brk: 5 20 len brk: 104 21 len brk: 5 22 len brk: 5 23 len brk: 5 24 len brk: 5 25 len brk: 5 26 len brk: 5 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 3 31 len brk: 4 32 len brk: 4 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 3 37 len brk: 4 38 len brk: 4 39 len brk: 4 40 len brk: 104 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3599.8 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Optimize a model with 474 rows, 834 columns and 2526 nonzeros Presolve removed 423 rows and 317 columns Presolve time: 0.00s Presolved: 72 rows, 531 columns, 1088 nonzeros Loaded MIP start with objective 55594.6 Variable types: 477 continuous, 54 integer (54 binary) Root relaxation: objective 5.549415e+04, 55 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 2 55594.6255 55494.1520 0.18% - 0s 0 0 55563.9682 0 2 55594.6255 55563.9682 0.06% - 0s 0 0 55564.4048 0 4 55594.6255 55564.4048 0.05% - 0s 0 0 55582.3211 0 2 55594.6255 55582.3211 0.02% - 0s Cutting planes: Cover: 1 MIR: 2 Explored 0 nodes (64 simplex iterations) in 0.02 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.559462545752e+04, best bound 5.559462545752e+04, gap 0.0% CURRENT ERROR: LB UP rel abs: 55594.6254575 & 55842.2775478 & 0.00445460488697 & 247.652090252 & 0.22 CURRENT n: 100 1 len brk: 4 2 len brk: 4 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 4 9 len brk: 4 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 5 18 len brk: 104 19 len brk: 104 20 len brk: 104 21 len brk: 5 22 len brk: 5 23 len brk: 5 24 len brk: 5 25 len brk: 5 26 len brk: 5 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 3 31 len brk: 4 32 len brk: 4 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 3 37 len brk: 4 38 len brk: 4 39 len brk: 4 40 len brk: 104 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3599.74 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Optimize a model with 474 rows, 933 columns and 2823 nonzeros Presolve removed 420 rows and 316 columns Presolve time: 0.00s Presolved: 75 rows, 631 columns, 1292 nonzeros Loaded MIP start with objective 55610.7 Variable types: 577 continuous, 54 integer (54 binary) Root relaxation: objective 5.549415e+04, 56 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 2 55610.7487 55494.1520 0.21% - 0s 0 0 55563.9682 0 2 55610.7487 55563.9682 0.08% - 0s 0 0 55564.4048 0 4 55610.7487 55564.4048 0.08% - 0s 0 0 55582.3211 0 2 55610.7487 55582.3211 0.05% - 0s 0 0 55594.6255 0 1 55610.7487 55594.6255 0.03% - 0s 0 0 55594.6255 0 2 55610.7487 55594.6255 0.03% - 0s 0 0 55594.6255 0 1 55610.7487 55594.6255 0.03% - 0s 0 2 55594.6255 0 1 55610.7487 55594.6255 0.03% - 0s Cutting planes: MIR: 1 Explored 19 nodes (118 simplex iterations) in 0.03 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.561074873344e+04, best bound 5.561074873344e+04, gap 0.0% CURRENT ERROR: LB UP rel abs: 55610.7487334 & 55858.4008237 & 0.00445331335924 & 247.652090252 & 0.29 CURRENT n: 100 1 len brk: 4 2 len brk: 4 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 4 9 len brk: 4 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 5 18 len brk: 104 19 len brk: 104 20 len brk: 104 21 len brk: 5 22 len brk: 5 23 len brk: 5 24 len brk: 5 25 len brk: 5 26 len brk: 5 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 3 31 len brk: 4 32 len brk: 4 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 3 37 len brk: 4 38 len brk: 4 39 len brk: 4 40 len brk: 203 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3599.66 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Optimize a model with 474 rows, 1032 columns and 3120 nonzeros Presolve removed 420 rows and 316 columns Presolve time: 0.00s Presolved: 75 rows, 730 columns, 1490 nonzeros Loaded MIP start with objective 55610.7 Variable types: 676 continuous, 54 integer (54 binary) Root relaxation: objective 5.549415e+04, 57 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 2 55610.7487 55494.1520 0.21% - 0s 0 0 55563.9682 0 2 55610.7487 55563.9682 0.08% - 0s 0 0 55564.4048 0 4 55610.7487 55564.4048 0.08% - 0s 0 0 55582.3211 0 2 55610.7487 55582.3211 0.05% - 0s 0 0 55594.6255 0 1 55610.7487 55594.6255 0.03% - 0s 0 0 55594.6255 0 2 55610.7487 55594.6255 0.03% - 0s 0 0 55594.6255 0 1 55610.7487 55594.6255 0.03% - 0s 0 2 55594.6255 0 1 55610.7487 55594.6255 0.03% - 0s Cutting planes: MIR: 1 Explored 19 nodes (121 simplex iterations) in 0.03 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.561074873344e+04, best bound 5.561074873344e+04, gap 0.0% CURRENT ERROR: LB UP rel abs: 55610.7487334 & 55858.4008237 & 0.00445331335924 & 247.652090252 & 0.37 CURRENT n: 100 1 len brk: 4 2 len brk: 4 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 4 9 len brk: 4 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 5 18 len brk: 104 19 len brk: 104 20 len brk: 203 21 len brk: 5 22 len brk: 5 23 len brk: 5 24 len brk: 5 25 len brk: 5 26 len brk: 5 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 3 31 len brk: 4 32 len brk: 4 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 3 37 len brk: 4 38 len brk: 4 39 len brk: 4 40 len brk: 203 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3599.58 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Optimize a model with 474 rows, 1131 columns and 3417 nonzeros Presolve removed 420 rows and 316 columns Presolve time: 0.00s Presolved: 75 rows, 829 columns, 1688 nonzeros Loaded MIP start with objective 55610.7 Variable types: 775 continuous, 54 integer (54 binary) Root relaxation: objective 5.549415e+04, 56 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 2 55610.7487 55494.1520 0.21% - 0s 0 0 55563.9682 0 2 55610.7487 55563.9682 0.08% - 0s 0 0 55564.4048 0 4 55610.7487 55564.4048 0.08% - 0s 0 0 55582.3211 0 2 55610.7487 55582.3211 0.05% - 0s 0 0 55594.6255 0 1 55610.7487 55594.6255 0.03% - 0s 0 0 55594.6255 0 2 55610.7487 55594.6255 0.03% - 0s 0 0 55594.6255 0 1 55610.7487 55594.6255 0.03% - 0s 0 2 55594.6255 0 1 55610.7487 55594.6255 0.03% - 0s Cutting planes: MIR: 1 Explored 19 nodes (128 simplex iterations) in 0.03 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.561074873344e+04, best bound 5.561074873344e+04, gap 0.0% CURRENT ERROR: LB UP rel abs: 55610.7487334 & 55858.4008237 & 0.00445331335924 & 247.652090252 & 0.45 CURRENT n: 100 1 len brk: 4 2 len brk: 4 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 4 9 len brk: 4 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 5 18 len brk: 104 19 len brk: 203 20 len brk: 203 21 len brk: 5 22 len brk: 5 23 len brk: 5 24 len brk: 5 25 len brk: 5 26 len brk: 5 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 3 31 len brk: 4 32 len brk: 4 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 3 37 len brk: 4 38 len brk: 4 39 len brk: 4 40 len brk: 203 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3599.5 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Optimize a model with 474 rows, 1230 columns and 3714 nonzeros Presolve removed 420 rows and 316 columns Presolve time: 0.00s Presolved: 75 rows, 928 columns, 1886 nonzeros Loaded MIP start with objective 55627.3 Variable types: 874 continuous, 54 integer (54 binary) Root relaxation: objective 5.549415e+04, 57 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 2 55627.3178 55494.1520 0.24% - 0s 0 0 55563.9682 0 2 55627.3178 55563.9682 0.11% - 0s 0 0 55564.4048 0 4 55627.3178 55564.4048 0.11% - 0s 0 0 55582.3211 0 2 55627.3178 55582.3211 0.08% - 0s 0 0 55594.6255 0 1 55627.3178 55594.6255 0.06% - 0s 0 2 55594.6255 0 1 55627.3178 55594.6255 0.06% - 0s Cutting planes: Cover: 1 MIR: 2 Explored 47 nodes (153 simplex iterations) in 0.04 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.562731777829e+04, best bound 5.562436157158e+04, gap 0.0053% CURRENT ERROR: LB UP rel abs: 55624.3615716 & 55875.600673 & 0.00451670984341 & 251.239101444 & 0.54 CURRENT n: 100 1 len brk: 4 2 len brk: 4 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 4 9 len brk: 4 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 5 18 len brk: 104 19 len brk: 203 20 len brk: 203 21 len brk: 5 22 len brk: 5 23 len brk: 5 24 len brk: 5 25 len brk: 5 26 len brk: 104 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 3 31 len brk: 4 32 len brk: 4 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 3 37 len brk: 4 38 len brk: 4 39 len brk: 4 40 len brk: 203 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3599.4 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Optimize a model with 474 rows, 1329 columns and 4011 nonzeros Presolve removed 417 rows and 315 columns Presolve time: 0.00s Presolved: 78 rows, 1028 columns, 2090 nonzeros Loaded MIP start with objective 55629.4 Variable types: 974 continuous, 54 integer (54 binary) Root relaxation: objective 5.549415e+04, 62 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 2 55629.4313 55494.1520 0.24% - 0s 0 0 55563.9682 0 2 55629.4313 55563.9682 0.12% - 0s 0 0 55564.4048 0 4 55629.4313 55564.4048 0.12% - 0s 0 0 55582.3211 0 2 55629.4313 55582.3211 0.08% - 0s 0 0 55594.6255 0 1 55629.4313 55594.6255 0.06% - 0s 0 2 55594.6255 0 1 55629.4313 55594.6255 0.06% - 0s Cutting planes: Cover: 1 MIR: 2 Explored 46 nodes (141 simplex iterations) in 0.04 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.562943132807e+04, best bound 5.562436157158e+04, gap 0.0091% CURRENT ERROR: LB UP rel abs: 55624.3615716 & 55877.0834183 & 0.00454336624449 & 252.721846735 & 0.64 CURRENT n: 100 1 len brk: 4 2 len brk: 4 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 4 9 len brk: 4 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 5 18 len brk: 203 19 len brk: 203 20 len brk: 203 21 len brk: 5 22 len brk: 5 23 len brk: 5 24 len brk: 5 25 len brk: 5 26 len brk: 104 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 3 31 len brk: 4 32 len brk: 4 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 3 37 len brk: 4 38 len brk: 4 39 len brk: 4 40 len brk: 203 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3599.3 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Optimize a model with 474 rows, 1428 columns and 4308 nonzeros Presolve removed 417 rows and 315 columns Presolve time: 0.00s Presolved: 78 rows, 1127 columns, 2288 nonzeros Loaded MIP start with objective 55635 Variable types: 1073 continuous, 54 integer (54 binary) Root relaxation: objective 5.549415e+04, 63 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 2 55635.0386 55494.1520 0.25% - 0s 0 0 55563.9682 0 2 55635.0386 55563.9682 0.13% - 0s 0 0 55564.4048 0 4 55635.0386 55564.4048 0.13% - 0s 0 0 55582.3211 0 2 55635.0386 55582.3211 0.09% - 0s 0 0 55594.6255 0 1 55635.0386 55594.6255 0.07% - 0s 0 2 55594.6255 0 1 55635.0386 55594.6255 0.07% - 0s * 58 6 6 55628.492843 55624.3616 0.01% 1.7 0s Cutting planes: Cover: 1 MIR: 2 Explored 59 nodes (170 simplex iterations) in 0.05 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.562849284314e+04, best bound 5.562436157158e+04, gap 0.0074% CURRENT ERROR: LB UP rel abs: 55624.3615716 & 55652.6668914 & 0.000508865522766 & 28.3053198296 & 0.75 CURRENT n: 100 1 len brk: 4 2 len brk: 4 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 4 9 len brk: 4 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 5 18 len brk: 203 19 len brk: 203 20 len brk: 203 21 len brk: 5 22 len brk: 5 23 len brk: 5 24 len brk: 5 25 len brk: 5 26 len brk: 104 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 3 31 len brk: 4 32 len brk: 64 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 3 37 len brk: 4 38 len brk: 4 39 len brk: 4 40 len brk: 203 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3599.19 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Optimize a model with 474 rows, 1488 columns and 4488 nonzeros Presolve removed 414 rows and 314 columns Presolve time: 0.00s Presolved: 81 rows, 1188 columns, 2414 nonzeros Loaded MIP start with objective 55628.5 Variable types: 1134 continuous, 54 integer (54 binary) Root relaxation: objective 5.549415e+04, 66 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 2 55628.4928 55494.1520 0.24% - 0s 0 0 55563.9682 0 2 55628.4928 55563.9682 0.12% - 0s 0 0 55564.4048 0 4 55628.4928 55564.4048 0.12% - 0s 0 0 55582.3211 0 2 55628.4928 55582.3211 0.08% - 0s 0 0 55594.6255 0 1 55628.4928 55594.6255 0.06% - 0s 0 2 55594.6255 0 1 55628.4928 55594.6255 0.06% - 0s Cutting planes: Cover: 1 MIR: 2 Explored 46 nodes (131 simplex iterations) in 0.04 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.562849284314e+04, best bound 5.562436157158e+04, gap 0.0074% CURRENT ERROR: LB UP rel abs: 55624.3615716 & 55652.6668914 & 0.000508865522766 & 28.3053198296 & 0.85 CURRENT n: 100 1 len brk: 4 2 len brk: 4 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 4 9 len brk: 4 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 5 18 len brk: 203 19 len brk: 203 20 len brk: 203 21 len brk: 5 22 len brk: 5 23 len brk: 5 24 len brk: 5 25 len brk: 5 26 len brk: 104 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 3 31 len brk: 64 32 len brk: 64 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 3 37 len brk: 4 38 len brk: 4 39 len brk: 4 40 len brk: 203 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3599.09 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Optimize a model with 474 rows, 1548 columns and 4668 nonzeros Presolve removed 411 rows and 313 columns Presolve time: 0.00s Presolved: 84 rows, 1249 columns, 2540 nonzeros Loaded MIP start with objective 55632.9 Variable types: 1195 continuous, 54 integer (54 binary) Root relaxation: objective 5.549415e+04, 58 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 2 55632.8536 55494.1520 0.25% - 0s 0 0 55563.9682 0 2 55632.8536 55563.9682 0.12% - 0s 0 0 55564.4048 0 4 55632.8536 55564.4048 0.12% - 0s 0 0 55582.3211 0 2 55632.8536 55582.3211 0.09% - 0s 0 0 55594.6255 0 1 55632.8536 55594.6255 0.07% - 0s 0 2 55594.6255 0 1 55632.8536 55594.6255 0.07% - 0s Cutting planes: Cover: 1 MIR: 2 Explored 85 nodes (222 simplex iterations) in 0.06 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.563285364576e+04, best bound 5.562807315859e+04, gap 0.0086% CURRENT ERROR: LB UP rel abs: 55628.0731586 & 55653.2066732 & 0.000451813503052 & 25.1335146018 & 0.96 CURRENT n: 100 1 len brk: 4 2 len brk: 4 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 4 9 len brk: 4 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 5 18 len brk: 203 19 len brk: 203 20 len brk: 203 21 len brk: 5 22 len brk: 5 23 len brk: 5 24 len brk: 5 25 len brk: 5 26 len brk: 104 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 3 31 len brk: 64 32 len brk: 64 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 3 37 len brk: 4 38 len brk: 4 39 len brk: 69 40 len brk: 203 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3598.98 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Optimize a model with 474 rows, 1613 columns and 4863 nonzeros Presolve removed 408 rows and 312 columns Presolve time: 0.00s Presolved: 87 rows, 1315 columns, 2676 nonzeros Loaded MIP start with objective 55636 Variable types: 1261 continuous, 54 integer (54 binary) Root relaxation: objective 5.549415e+04, 58 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 2 55635.9926 55494.1520 0.25% - 0s 0 0 55563.9682 0 2 55635.9926 55563.9682 0.13% - 0s 0 0 55564.4048 0 4 55635.9926 55564.4048 0.13% - 0s 0 0 55582.3211 0 2 55635.9926 55582.3211 0.10% - 0s 0 0 55594.6255 0 1 55635.9926 55594.6255 0.07% - 0s 0 2 55594.6255 0 1 55635.9926 55594.6255 0.07% - 0s * 18 6 11 55635.038644 55599.1511 0.06% 1.8 0s * 115 7 9 55632.853646 55628.1162 0.01% 1.6 0s Cutting planes: Cover: 1 MIR: 2 Explored 116 nodes (250 simplex iterations) in 0.09 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.563285364576e+04, best bound 5.562811620081e+04, gap 0.0085% CURRENT ERROR: LB UP rel abs: 55628.1162008 & 55653.2066732 & 0.000451039404044 & 25.0904723793 & 1.11 CURRENT n: 100 1 len brk: 4 2 len brk: 4 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 4 9 len brk: 4 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 5 18 len brk: 203 19 len brk: 203 20 len brk: 203 21 len brk: 5 22 len brk: 5 23 len brk: 5 24 len brk: 5 25 len brk: 5 26 len brk: 104 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 3 31 len brk: 64 32 len brk: 64 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 3 37 len brk: 4 38 len brk: 69 39 len brk: 69 40 len brk: 203 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3598.82 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Optimize a model with 474 rows, 1678 columns and 5058 nonzeros Presolve removed 405 rows and 311 columns Presolve time: 0.00s Presolved: 90 rows, 1381 columns, 2812 nonzeros Loaded MIP start with objective 55636 Variable types: 1327 continuous, 54 integer (54 binary) Root relaxation: objective 5.549415e+04, 59 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 2 55635.9926 55494.1520 0.25% - 0s 0 0 55563.9682 0 2 55635.9926 55563.9682 0.13% - 0s 0 0 55564.4048 0 4 55635.9926 55564.4048 0.13% - 0s 0 0 55582.3211 0 2 55635.9926 55582.3211 0.10% - 0s 0 0 55594.6255 0 1 55635.9926 55594.6255 0.07% - 0s 0 2 55594.6255 0 1 55635.9926 55594.6255 0.07% - 0s * 18 6 11 55635.038644 55599.1511 0.06% 1.6 0s Cutting planes: Cover: 1 MIR: 2 Explored 115 nodes (239 simplex iterations) in 0.08 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.563503864380e+04, best bound 5.562961420457e+04, gap 0.0098% CURRENT ERROR: LB UP rel abs: 55629.6142046 & 55882.9535693 & 0.00455403777822 & 253.339364675 & 1.26 CURRENT n: 100 1 len brk: 4 2 len brk: 4 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 4 9 len brk: 4 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 5 18 len brk: 203 19 len brk: 203 20 len brk: 203 21 len brk: 104 22 len brk: 5 23 len brk: 5 24 len brk: 5 25 len brk: 5 26 len brk: 104 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 3 31 len brk: 64 32 len brk: 64 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 3 37 len brk: 4 38 len brk: 69 39 len brk: 69 40 len brk: 203 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3598.68 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Optimize a model with 474 rows, 1777 columns and 5355 nonzeros Presolve removed 402 rows and 310 columns Presolve time: 0.00s Presolved: 93 rows, 1481 columns, 3016 nonzeros Loaded MIP start with objective 55635 Variable types: 1427 continuous, 54 integer (54 binary) Root relaxation: objective 5.549415e+04, 59 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 2 55635.0386 55494.1520 0.25% - 0s 0 0 55563.9682 0 2 55635.0386 55563.9682 0.13% - 0s 0 0 55564.4048 0 4 55635.0386 55564.4048 0.13% - 0s 0 0 55582.3211 0 2 55635.0386 55582.3211 0.09% - 0s 0 0 55594.6255 0 1 55635.0386 55594.6255 0.07% - 0s 0 2 55594.6255 0 1 55635.0386 55594.6255 0.07% - 0s Cutting planes: Cover: 1 MIR: 2 Explored 114 nodes (235 simplex iterations) in 0.08 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.563503864380e+04, best bound 5.562961420457e+04, gap 0.0098% CURRENT ERROR: LB UP rel abs: 55629.6142046 & 55882.9535693 & 0.00455403777822 & 253.339364675 & 1.4 CURRENT n: 100 1 len brk: 4 2 len brk: 4 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 4 9 len brk: 4 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 5 18 len brk: 203 19 len brk: 203 20 len brk: 203 21 len brk: 104 22 len brk: 104 23 len brk: 5 24 len brk: 5 25 len brk: 5 26 len brk: 104 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 3 31 len brk: 64 32 len brk: 64 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 3 37 len brk: 4 38 len brk: 69 39 len brk: 69 40 len brk: 203 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3598.53 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Optimize a model with 474 rows, 1876 columns and 5652 nonzeros Presolve removed 399 rows and 309 columns Presolve time: 0.00s Presolved: 96 rows, 1581 columns, 3220 nonzeros Loaded MIP start with objective 55636.4 Variable types: 1527 continuous, 54 integer (54 binary) Root relaxation: objective 5.549415e+04, 58 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 2 55636.4261 55494.1520 0.26% - 0s 0 0 55563.9682 0 2 55636.4261 55563.9682 0.13% - 0s 0 0 55564.4048 0 4 55636.4261 55564.4048 0.13% - 0s 0 0 55582.3211 0 2 55636.4261 55582.3211 0.10% - 0s 0 0 55594.6255 0 1 55636.4261 55594.6255 0.08% - 0s 0 2 55594.6255 0 1 55636.4261 55594.6255 0.08% - 0s * 62 6 5 55635.992603 55623.4825 0.02% 1.1 0s Cutting planes: Cover: 1 MIR: 2 Explored 133 nodes (217 simplex iterations) in 0.10 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.563599260343e+04, best bound 5.563285364576e+04, gap 0.0056% CURRENT ERROR: LB UP rel abs: 55632.8536458 & 55689.9793118 & 0.00102683328839 & 57.1256660516 & 1.58 CURRENT n: 100 1 len brk: 4 2 len brk: 4 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 4 9 len brk: 4 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 104 18 len brk: 203 19 len brk: 203 20 len brk: 203 21 len brk: 104 22 len brk: 104 23 len brk: 5 24 len brk: 5 25 len brk: 5 26 len brk: 104 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 3 31 len brk: 64 32 len brk: 64 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 3 37 len brk: 4 38 len brk: 69 39 len brk: 69 40 len brk: 203 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3598.36 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Optimize a model with 474 rows, 1975 columns and 5949 nonzeros Presolve removed 396 rows and 308 columns Presolve time: 0.00s Presolved: 99 rows, 1681 columns, 3424 nonzeros Loaded MIP start with objective 55642.5 Variable types: 1627 continuous, 54 integer (54 binary) Root relaxation: objective 5.549415e+04, 58 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 2 55642.5300 55494.1520 0.27% - 0s 0 0 55563.9682 0 2 55642.5300 55563.9682 0.14% - 0s 0 0 55564.4048 0 4 55642.5300 55564.4048 0.14% - 0s 0 0 55582.3211 0 2 55642.5300 55582.3211 0.11% - 0s 0 0 55594.6255 0 1 55642.5300 55594.6255 0.09% - 0s 0 2 55594.6255 0 1 55642.5300 55594.6255 0.09% - 0s * 22 6 13 55636.426072 55599.1511 0.07% 1.5 0s Cutting planes: Cover: 1 MIR: 2 Explored 138 nodes (228 simplex iterations) in 0.11 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.563642607189e+04, best bound 5.563285364576e+04, gap 0.0064% CURRENT ERROR: LB UP rel abs: 55632.8536458 & 55815.625094 & 0.00328531499334 & 182.771448205 & 1.75 CURRENT n: 100 1 len brk: 4 2 len brk: 4 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 4 9 len brk: 103 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 104 18 len brk: 203 19 len brk: 203 20 len brk: 203 21 len brk: 104 22 len brk: 104 23 len brk: 5 24 len brk: 5 25 len brk: 5 26 len brk: 104 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 3 31 len brk: 64 32 len brk: 64 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 3 37 len brk: 4 38 len brk: 69 39 len brk: 69 40 len brk: 203 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3598.17 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Optimize a model with 474 rows, 2074 columns and 6246 nonzeros Presolve removed 393 rows and 307 columns Presolve time: 0.00s Presolved: 102 rows, 1781 columns, 3628 nonzeros Loaded MIP start with objective 55636.7 Variable types: 1727 continuous, 54 integer (54 binary) Root relaxation: objective 5.549415e+04, 66 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 2 55636.7263 55494.1520 0.26% - 0s 0 0 55563.9682 0 2 55636.7263 55563.9682 0.13% - 0s 0 0 55564.4048 0 4 55636.7263 55564.4048 0.13% - 0s 0 0 55582.3211 0 2 55636.7263 55582.3211 0.10% - 0s 0 0 55594.6255 0 1 55636.7263 55594.6255 0.08% - 0s 0 2 55594.6255 0 1 55636.7263 55594.6255 0.08% - 0s Cutting planes: Cover: 1 MIR: 2 Explored 135 nodes (240 simplex iterations) in 0.10 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.563672631788e+04, best bound 5.563285364576e+04, gap 0.0070% CURRENT ERROR: LB UP rel abs: 55632.8536458 & 55816.9969436 & 0.00330997397739 & 184.143297855 & 1.93 CURRENT n: 100 1 len brk: 4 2 len brk: 4 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 103 9 len brk: 103 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 104 18 len brk: 203 19 len brk: 203 20 len brk: 203 21 len brk: 104 22 len brk: 104 23 len brk: 5 24 len brk: 5 25 len brk: 5 26 len brk: 104 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 3 31 len brk: 64 32 len brk: 64 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 3 37 len brk: 4 38 len brk: 69 39 len brk: 69 40 len brk: 203 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3598.0 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Optimize a model with 474 rows, 2173 columns and 6543 nonzeros Presolve removed 390 rows and 306 columns Presolve time: 0.00s Presolved: 105 rows, 1881 columns, 3832 nonzeros Loaded MIP start with objective 55638 Variable types: 1827 continuous, 54 integer (54 binary) Root relaxation: objective 5.549415e+04, 65 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 2 55638.0215 55494.1520 0.26% - 0s 0 0 55563.9682 0 2 55638.0215 55563.9682 0.13% - 0s 0 0 55564.4048 0 4 55638.0215 55564.4048 0.13% - 0s 0 0 55582.3211 0 2 55638.0215 55582.3211 0.10% - 0s 0 0 55594.6255 0 1 55638.0215 55594.6255 0.08% - 0s 0 2 55594.6255 0 1 55638.0215 55594.6255 0.08% - 0s Cutting planes: Cover: 1 MIR: 2 Explored 138 nodes (245 simplex iterations) in 0.10 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.563802147969e+04, best bound 5.563285364576e+04, gap 0.0093% CURRENT ERROR: LB UP rel abs: 55632.8536458 & 55886.181718 & 0.00455356962006 & 253.328072239 & 2.11 CURRENT n: 100 1 len brk: 4 2 len brk: 4 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 103 9 len brk: 103 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 104 18 len brk: 203 19 len brk: 203 20 len brk: 203 21 len brk: 104 22 len brk: 104 23 len brk: 104 24 len brk: 5 25 len brk: 5 26 len brk: 104 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 3 31 len brk: 64 32 len brk: 64 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 3 37 len brk: 4 38 len brk: 69 39 len brk: 69 40 len brk: 203 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3597.81 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Optimize a model with 474 rows, 2272 columns and 6840 nonzeros Presolve removed 387 rows and 305 columns Presolve time: 0.01s Presolved: 108 rows, 1981 columns, 4036 nonzeros Loaded MIP start with objective 55643.6 Variable types: 1927 continuous, 54 integer (54 binary) Root relaxation: objective 5.549415e+04, 68 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 2 55643.5812 55494.1520 0.27% - 0s 0 0 55563.9682 0 2 55643.5812 55563.9682 0.14% - 0s 0 0 55565.2121 0 2 55643.5812 55565.2121 0.14% - 0s 0 0 55594.6255 0 1 55643.5812 55594.6255 0.09% - 0s 0 2 55594.6255 0 1 55643.5812 55594.6255 0.09% - 0s * 101 22 11 55642.529954 55619.7490 0.04% 1.6 0s Cutting planes: Cover: 3 MIR: 1 Flow cover: 1 Explored 209 nodes (385 simplex iterations) in 0.16 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.564252995439e+04, best bound 5.563990157928e+04, gap 0.0047% CURRENT ERROR: LB UP rel abs: 55639.9015793 & 55656.6964785 & 0.000301849909327 & 16.7948992466 & 2.35 CURRENT n: 100 1 len brk: 4 2 len brk: 4 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 103 9 len brk: 103 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 104 18 len brk: 203 19 len brk: 203 20 len brk: 203 21 len brk: 104 22 len brk: 104 23 len brk: 104 24 len brk: 5 25 len brk: 5 26 len brk: 104 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 3 31 len brk: 64 32 len brk: 64 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 50 37 len brk: 4 38 len brk: 69 39 len brk: 69 40 len brk: 203 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3597.57 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Optimize a model with 474 rows, 2319 columns and 6981 nonzeros Presolve removed 384 rows and 304 columns Presolve time: 0.01s Presolved: 108 rows, 2027 columns, 4130 nonzeros Loaded MIP start with objective 55651.2 Variable types: 1975 continuous, 52 integer (52 binary) Root relaxation: objective 5.549415e+04, 68 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 2 55651.1728 55494.1520 0.28% - 0s 0 0 55563.9682 0 2 55651.1728 55563.9682 0.16% - 0s 0 0 55565.2121 0 2 55651.1728 55565.2121 0.15% - 0s 0 0 55594.6255 0 1 55651.1728 55594.6255 0.10% - 0s 0 2 55594.6255 0 1 55651.1728 55594.6255 0.10% - 0s * 202 27 10 55644.447168 55628.4928 0.03% 1.6 0s Cutting planes: Cover: 3 MIR: 1 Flow cover: 1 Explored 293 nodes (551 simplex iterations) in 0.18 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.564444716844e+04, best bound 5.563973113808e+04, gap 0.0085% CURRENT ERROR: LB UP rel abs: 55639.7311381 & 55644.793911 & 9.09920458114e-05 & 5.06277296465 & 2.62 CURRENT n: 100 1 len brk: 4 2 len brk: 4 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 103 9 len brk: 103 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 104 18 len brk: 203 19 len brk: 203 20 len brk: 203 21 len brk: 104 22 len brk: 104 23 len brk: 104 24 len brk: 5 25 len brk: 5 26 len brk: 104 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 25 31 len brk: 64 32 len brk: 64 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 50 37 len brk: 4 38 len brk: 69 39 len brk: 69 40 len brk: 203 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3597.3 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Changed value of parameter MIPGap to 1e-12 Prev: 0.0001 Min: 0.0 Max: 1e+100 Default: 0.0001 Changed value of parameter MIPGapAbs to 1e-12 Prev: 1e-10 Min: 0.0 Max: 1e+100 Default: 1e-10 Changed value of parameter IntFeasTol to 1e-09 Prev: 1e-05 Min: 1e-09 Max: 0.1 Default: 1e-05 Changed value of parameter FeasibilityTol to 1e-09 Prev: 1e-06 Min: 1e-09 Max: 0.01 Default: 1e-06 Optimize a model with 474 rows, 2341 columns and 7047 nonzeros Presolve removed 381 rows and 303 columns Presolve time: 0.01s Presolved: 108 rows, 2048 columns, 4174 nonzeros Loaded MIP start with objective 55644.8 Variable types: 1998 continuous, 50 integer (50 binary) Root relaxation: objective 5.549415e+04, 66 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 2 55644.7859 55494.1520 0.27% - 0s 0 0 55563.9682 0 2 55644.7859 55563.9682 0.15% - 0s 0 0 55565.2121 0 2 55644.7859 55565.2121 0.14% - 0s 0 0 55594.6255 0 1 55644.7859 55594.6255 0.09% - 0s 0 2 55594.6255 0 1 55644.7859 55594.6255 0.09% - 0s Cutting planes: Cover: 3 MIR: 1 Flow cover: 1 Explored 305 nodes (437 simplex iterations) in 0.18 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-12) Best objective 5.564478593709e+04, best bound 5.564478593709e+04, gap 0.0% CURRENT ERROR: LB UP rel abs: 55644.7859371 & 55644.8282499 & 7.6041003654e-07 & 0.0423128537077 & 2.89 CURRENT n: 100 1 len brk: 4 2 len brk: 12 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 103 9 len brk: 103 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 104 18 len brk: 203 19 len brk: 203 20 len brk: 203 21 len brk: 104 22 len brk: 104 23 len brk: 104 24 len brk: 5 25 len brk: 5 26 len brk: 104 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 25 31 len brk: 64 32 len brk: 64 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 50 37 len brk: 4 38 len brk: 69 39 len brk: 69 40 len brk: 203 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3597.03 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Changed value of parameter MIPGap to 1e-12 Prev: 0.0001 Min: 0.0 Max: 1e+100 Default: 0.0001 Changed value of parameter MIPGapAbs to 1e-12 Prev: 1e-10 Min: 0.0 Max: 1e+100 Default: 1e-10 Changed value of parameter IntFeasTol to 1e-09 Prev: 1e-05 Min: 1e-09 Max: 0.1 Default: 1e-05 Changed value of parameter FeasibilityTol to 1e-09 Prev: 1e-06 Min: 1e-09 Max: 0.01 Default: 1e-06 Optimize a model with 474 rows, 2349 columns and 7071 nonzeros Presolve removed 378 rows and 302 columns Presolve time: 0.01s Presolved: 111 rows, 2057 columns, 4196 nonzeros Loaded MIP start with objective 55644.8 Variable types: 2007 continuous, 50 integer (50 binary) Root relaxation: objective 5.549415e+04, 80 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 2 55644.7859 55494.1520 0.27% - 0s 0 0 55563.9682 0 2 55644.7859 55563.9682 0.15% - 0s 0 0 55565.2121 0 2 55644.7859 55565.2121 0.14% - 0s 0 0 55594.6255 0 1 55644.7859 55594.6255 0.09% - 0s 0 2 55594.6255 0 1 55644.7859 55594.6255 0.09% - 0s Cutting planes: Cover: 3 MIR: 1 Flow cover: 1 Explored 304 nodes (507 simplex iterations) in 0.18 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-12) Best objective 5.564478593709e+04, best bound 5.564478593709e+04, gap 0.0% CURRENT ERROR: LB UP rel abs: 55644.7859371 & 55644.8282499 & 7.6041003654e-07 & 0.0423128537077 & 3.15 CURRENT n: 100 1 len brk: 12 2 len brk: 12 3 len brk: 3 4 len brk: 4 5 len brk: 3 6 len brk: 3 7 len brk: 4 8 len brk: 103 9 len brk: 103 10 len brk: 4 11 len brk: 5 12 len brk: 5 13 len brk: 6 14 len brk: 6 15 len brk: 6 16 len brk: 6 17 len brk: 104 18 len brk: 203 19 len brk: 203 20 len brk: 203 21 len brk: 104 22 len brk: 104 23 len brk: 104 24 len brk: 5 25 len brk: 5 26 len brk: 104 27 len brk: 5 28 len brk: 5 29 len brk: 5 30 len brk: 25 31 len brk: 64 32 len brk: 64 33 len brk: 4 34 len brk: 3 35 len brk: 3 36 len brk: 50 37 len brk: 4 38 len brk: 69 39 len brk: 69 40 len brk: 203 Changed value of parameter Threads to 1 Prev: 0 Min: 0 Max: 2 Default: 0 Changed value of parameter TimeLimit to 3596.76 Prev: 1e+100 Min: 0.0 Max: 1e+100 Default: 1e+100 Changed value of parameter MIPGap to 1e-12 Prev: 0.0001 Min: 0.0 Max: 1e+100 Default: 0.0001 Changed value of parameter MIPGapAbs to 1e-12 Prev: 1e-10 Min: 0.0 Max: 1e+100 Default: 1e-10 Changed value of parameter IntFeasTol to 1e-09 Prev: 1e-05 Min: 1e-09 Max: 0.1 Default: 1e-05 Changed value of parameter FeasibilityTol to 1e-09 Prev: 1e-06 Min: 1e-09 Max: 0.01 Default: 1e-06 Optimize a model with 474 rows, 2357 columns and 7095 nonzeros Presolve removed 375 rows and 301 columns Presolve time: 0.01s Presolved: 114 rows, 2066 columns, 4218 nonzeros Loaded MIP start with objective 55644.8 Variable types: 2016 continuous, 50 integer (50 binary) Root relaxation: objective 5.549415e+04, 76 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 55494.1520 0 2 55644.7932 55494.1520 0.27% - 0s 0 0 55563.9682 0 2 55644.7932 55563.9682 0.15% - 0s 0 0 55565.2121 0 2 55644.7932 55565.2121 0.14% - 0s 0 0 55594.6255 0 1 55644.7932 55594.6255 0.09% - 0s 0 2 55594.6255 0 1 55644.7932 55594.6255 0.09% - 0s Cutting planes: Cover: 3 MIR: 1 Flow cover: 1 Explored 323 nodes (505 simplex iterations) in 0.19 seconds Thread count was 1 (of 2 available processors) Optimal solution found (tolerance 1.00e-12) Best objective 5.564479320555e+04, best bound 5.564479320555e+04, gap 0.0% CURRENT ERROR: LB UP rel abs: 55644.7932056 & 55644.7929666 & -4.29395637315e-09 & -0.000238936314418 & 3.43 Obj: 55644.7932056 fuel: 53384.7932056 startup: 2260.0 y, on, off: 0 1 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 0 0 1 0 0 0 1 1 1 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 1 1 0 0 1 0 0 1 0 0 0 1 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 startup: 1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 60.0 60.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 60.0 60.0 60.0 0.0 0.0 1100.0 0.0 0.0 340.0 0.0 0.0 0.0 60.0 0.0 0.0 0.0 0.0 0.0 340.0 0.0 60.0 0.0 60.0 * 2260.0 fuel: 1 925.096 925.096 0.0 0.0 0.0 0.0 0.0 2779.837 2798.23 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 5288.765 4563.476 4563.456 5071.29 5071.29 5057.223 0.0 0.0 5275.089 0.0 0.0 0.0 710.002 1643.991 1643.991 0.0 0.0 0.0 1539.87 0.0 964.616 0.0 4563.476 * 53384.793 prod levels: 1 110.8 110.8 0.0 0.0 0.0 0.0 0.0 284.6 284.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 489.279 421.52 421.52 523.279 523.279 523.279 0.0 0.0 523.279 0.0 0.0 0.0 88.011 190.0 190.0 0.0 0.0 0.0 164.8 0.0 89.435 0.0 421.52 * 5360.0