Instance: david-10_ext
Number of variables: 87
Number of constraints: 406
Satisfiable: None
Timestamp: 2017-10-27 10:54:38
Stampede: v1.0.0-797-g05e223c
Boost: 1.64.0
Benchmark comments

Instance comments



Component #1 Number of variables: 87
Number of constraints: 406
General features
Number of coarse blocks: 8,020
Number of unique subscopes: 77
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Arity 2 2 2.00 2.00 812 MAX VALUE 281.42 0.00 0.00 0.00
Coarse blocks size 9 9 9.00 9.00 72,180 MAX VALUE 17,621.70 0.00 0.00 0.00
Relational linkage 0.90 0.90 0.90 0.90 693.00 0.00 -81.13 0.00 0.00 0.00
Tightness 0.10 0.10 0.10 0.10 40.60 0.00 -934.85 0.00 0.00 0.00
Tuples 90 90 90.00 90.00 36,540 MAX VALUE 1,826.92 0.00 0.00 0.00
Domain size 10 10 10.00 10.00 870 MAX VALUE 200.32 0.00 0.00 0.00
Constraints per subscope 2 82 10.42 8.00 802 MAX VALUE 157.58 10.69 1.03 2.85
Partitions per subscope 10 10 10.00 10.00 770 MAX VALUE 177.30 0.00 0.00 0.00
Tree decomposition
Number of clusters: 58
Number of leaves: 17
Tree depth: 12
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 1 75 18.33 12.50 1,063 MAX VALUE 130.45 18.66 1.02 2.98
Cluster variables 2 14 6.21 6.00 360 MAX VALUE 96.22 3.45 0.56 2.32
Separator constraints 0 56 11.33 6.00 657 0 None 14.05 1.24 2.78
Separator variables 0 12 4.71 4.00 273 0 None 3.22 0.68 2.33
Dual tree decomposition
Number of clusters: 75
Number of leaves: 26
Tree depth: 9
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 3 3,321 299.03 116.00 22,427 MAX VALUE 357.20 549.30 1.84 4.11
Cluster variables 3 127 32.03 22.00 2,402 MAX VALUE 234.99 28.97 0.90 3.65
Separator constraints 0 2,415 190.04 86.00 14,253 0 None 335.78 1.77 3.99
Separator variables 0 97 26.61 19.00 1,996 0 None 22.38 0.84 3.56
Primal graph
Density: 10.85%
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.09 1.00 None 0.89 None None None None None 3.80
Degree 1 82 9.33 7.00 812 MAX VALUE 157.58 10.49 1.12 2.87
Eccentricity 2 3 2.63 3.00 229 7.49e+35 82.60 0.48 0.18 0.66
Triangulated primal graph
Density: 12.70%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.11 1.00 None 1.00 None None None None None 3.74
Degree 1 82 10.92 7.00 950 MAX VALUE 165.39 11.91 1.09 2.95
Eccentricity 2 3 2.56 3.00 223 6.58e+34 80.17 0.50 0.19 0.69
Dual graph
Density: 9.94%
MCB compute time (ms): 4,171
MCB cycles: 8,397
Triangles: 119,293
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.47 1.00 0.65 0.59 262.41 0.00 -185.89 0.14 0.22 5.07
Degree 2 115 40.27 32.00 16,348 MAX VALUE 1,408.51 26.94 0.67 4.09
Eccentricity 2 4 3.15 3.00 1,279 MAX VALUE 463.35 0.37 0.12 0.46
MCB cycle size 3 4 3.02 3.00 25,339 MAX VALUE 9,267.62 0.13 0.04 0.09
Minimal dual graph
Density: 0.88%
MCB compute time (ms): 1,328
MCB cycles: 320
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.33 0.01 0.00 2.17 0.00 None 0.04 7.03 0.12
Degree 2 6 3.57 4.00 1,450 MAX VALUE 509.14 0.69 0.19 1.04
Eccentricity 7 10 8.54 9.00 3,467 MAX VALUE 869.71 0.61 0.07 0.92
MCB cycle size 3 10 7.06 7.00 2,258 MAX VALUE 617.88 1.42 0.20 1.74
Triangulated dual graph
Density: 29.67%
Triangles: 995,458
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.57 1.00 0.81 0.79 329.22 0.00 -88.62 0.11 0.13 5.24
Degree 2 255 120.15 128.00 48,782 MAX VALUE 1,801.49 77.41 0.64 4.74
Eccentricity 2 4 3.05 3.00 1,237 MAX VALUE 450.32 0.31 0.10 0.37
Triangulated minimal dual graph
Density: 7.55%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.49 1.00 0.80 0.77 325.82 0.00 -97.26 0.16 0.20 3.70
Degree 2 124 30.56 7.00 12,408 MAX VALUE 1,003.14 39.96 1.31 3.40
Eccentricity 3 6 4.36 4.00 1,772 MAX VALUE 594.38 0.59 0.14 0.89
Incidence graph
Density: 0.67%
MCB compute time (ms): 388
MCB cycles: 320
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.00 None 0.00 None None None None None 0.82
Degree 1 82 3.29 2.00 1,624 MAX VALUE 439.00 5.22 1.58 0.92
Eccentricity 4 8 6.29 6.00 3,103 MAX VALUE 903.29 0.79 0.12 0.96
MCB cycle size 6 6 6.00 6.00 1,920 MAX VALUE 573.36 0.00 0.00 0.00