Instance: normalized-hole-09-ext
Number of variables: 90
Number of constraints: 415
Satisfiable: True
Timestamp: 2025-07-20 22:09:44
Stampede: v1.1.0-239-ge51ee236
Boost: 1.75.0
Benchmark comments

Instance comments



Component #1 Number of variables: 90
Number of constraints: 415
General features
Coarse blocks: 1,800
Value tables: 90
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Arity 2 9 2.17 2.00 900 MAX VALUE 302.70 1.07 0.49 0.11
Coarse blocks size 1 256 26.90 2.00 48,420 MAX VALUE 1,559.23 76.20 2.83 1.02
Relational linkage 0.50 1.00 0.75 0.75 134.65 0.00 -62.74 0.25 0.33 0.69
Tightness 0.00 0.25 0.24 0.25 101.27 0.00 -623.83 0.04 0.16 0.11
Tuples 3 511 15.24 3.00 6,325 MAX VALUE 507.30 77.90 5.11 0.11
Values 2 2 2.00 2.00 180 1.24e+27 62.38 0.00 0.00 0.00
Value table constraints 10 10 10.00 10.00 900 MAX VALUE 207.23 0.00 0.00 0.00
Value table partitions 2 2 2.00 2.00 180 1.24e+27 62.38 0.00 0.00 0.00
Tree decomposition
Number of clusters: 17
Number of leaves: 9
Tree depth: 3
CIR: 0.00
Independent Cluster Pairs: 0
Dot-file path: https://consystlab.unl.edu/Visualization/graphFiles/varDimacs/normalized-hole-09-ext/Tree1.dot
PDF-file path: https://consystlab.unl.edu/Visualization/graphFiles/varDimacs/normalized-hole-09-ext/Tree1.pdf
JSON-file path: https://consystlab.unl.edu/Visualization/graphFiles/varDimacs/normalized-hole-09-ext/Tree1.json
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 45 161 70.47 46.00 1,198 4.43e+30 70.57 36.05 0.51 1.34
Variables per cluster 18 58 27.82 18.00 473 7.53e+23 54.98 12.94 0.47 1.34
Separator constraints 0 90 46.06 36.00 783 0 None 20.91 0.45 1.15
Separator variables 0 44 22.53 17.00 383 0 None 10.43 0.46 1.34
Clusters per var 1 7 5.26 6.00 473 MAX VALUE 138.82 1.85 0.35 1.59
Dual tree decomposition
Number of clusters: 81
Number of leaves: 45
Tree depth: 7
CIR: 0.41
Independent Cluster Pairs: 1,288
Dot-file path: https://consystlab.unl.edu/Visualization/graphFiles/varDimacs/normalized-hole-09-ext/DualTree1.dot
PDF-file path: https://consystlab.unl.edu/Visualization/graphFiles/varDimacs/normalized-hole-09-ext/DualTree1.pdf
JSON-file path: https://consystlab.unl.edu/Visualization/graphFiles/varDimacs/normalized-hole-09-ext/DualTree1.json
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 96 224 130.49 98.00 10,570 MAX VALUE 389.95 46.96 0.36 1.23
Variables per cluster 19 40 25.07 19.00 2,031 MAX VALUE 257.62 7.50 0.30 1.23
Separator constraints 0 120 80.49 80.00 6,520 0 None 32.96 0.41 0.86
Separator variables 0 30 19.95 18.00 1,616 0 None 5.84 0.29 1.23
Clusters per variable 1 36 4.89 5.00 2,031 MAX VALUE 578.28 4.59 0.94 1.16
Primal graph
Density: 19.10%
MCB compute time (ms): 87
MCB cycles: 676
Triangles: None
Dot-file path: https://consystlab.unl.edu/Visualization/graphFiles/varDimacs/normalized-hole-09-ext/Primal1.dot
PDF-file path: https://consystlab.unl.edu/Visualization/graphFiles/varDimacs/normalized-hole-09-ext/Primal1.pdf
JSON-file path: https://consystlab.unl.edu/Visualization/graphFiles/varDimacs/normalized-hole-09-ext/Primal1.json
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.47 0.47 0.47 0.47 42.35 0.00 -67.84 0.00 0.00 0.00
Degree 17 17 17.00 17.00 1,530 MAX VALUE 254.99 0.00 0.00 0.00
Eccentricity None None None None None None None None None None
MCB cycle size 3 4 3.11 3.00 2,100 MAX VALUE 763.38 0.31 0.10 0.34
Triangulated primal graph
Density: 67.94%
MCB compute time (ms): 203
MCB cycles: 3,506
Triangles: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.81 1.00 0.88 0.86 78.75 0.00 -12.20 0.06 0.07 2.34
Degree 17 77 60.47 69.00 5,442 MAX VALUE 361.48 19.63 0.32 2.34
Eccentricity None None None None None None None None None None
MCB cycle size 3 3 3.00 3.00 10,518 MAX VALUE 3,851.73 0.00 0.00 0.00
Dual graph
Density: 4.71%
MCB compute time (ms): 1,334
MCB cycles: 3,804
Triangles: None
Dot-file path: https://consystlab.unl.edu/Visualization/graphFiles/varDimacs/normalized-hole-09-ext/Dual1.dot
PDF-file path: https://consystlab.unl.edu/Visualization/graphFiles/varDimacs/normalized-hole-09-ext/Dual1.pdf
JSON-file path: https://consystlab.unl.edu/Visualization/graphFiles/varDimacs/normalized-hole-09-ext/Dual1.json
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.10 0.52 0.51 0.52 212.76 0.00 -285.63 0.06 0.13 0.11
Degree 18 81 19.52 18.00 8,100 MAX VALUE 1,214.55 9.66 0.49 0.11
Eccentricity None None None None None None None None None None
MCB cycle size 3 4 3.04 3.00 11,548 MAX VALUE 4,218.25 0.19 0.06 0.15
Minimal dual graph
Density: 0.94%
MCB compute time (ms): 398
MCB cycles: 396
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.33 0.02 0.00 8.63 0.00 None 0.06 3.04 0.50
Degree 2 12 3.90 4.00 1,620 MAX VALUE 548.45 1.30 0.33 1.26
Eccentricity None None None None None None None None None None
MCB cycle size 3 8 5.07 5.00 2,009 MAX VALUE 634.27 1.05 0.21 1.34
Triangulated dual graph
Density: 11.68%
Triangles: 130,245
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.14 1.00 0.87 0.87 361.85 0.00 -67.07 0.12 0.14 1.60
Degree 18 342 48.36 47.00 20,070 MAX VALUE 1,553.63 42.58 0.88 1.60
Eccentricity None None None None None None None None None None
Triangulated minimal dual graph
Density: 2.95%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.12 1.00 0.75 0.68 309.51 0.00 -141.36 0.21 0.28 2.96
Degree 2 122 12.19 7.00 5,060 MAX VALUE 878.31 12.98 1.06 2.85
Eccentricity None None None None None None None None None None
Incidence graph
Density: 0.71%
MCB compute time (ms): 239
MCB cycles: 396
Dot-file path: https://consystlab.unl.edu/Visualization/graphFiles/varDimacs/normalized-hole-09-ext/Incidence1.dot
PDF-file path: https://consystlab.unl.edu/Visualization/graphFiles/varDimacs/normalized-hole-09-ext/Incidence1.pdf
JSON-file path: https://consystlab.unl.edu/Visualization/graphFiles/varDimacs/normalized-hole-09-ext/Incidence1.json
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.00 0.00 0.00 0.00 0.00 None 0.00 None 0.00
Degree 2 10 3.56 2.00 1,800 MAX VALUE 509.93 3.15 0.88 0.56
Eccentricity None None None None None None None None None None
MCB cycle size 6 8 6.36 6.00 2,520 MAX VALUE 730.25 0.77 0.12 0.47