Instance: rand-2-40-16-250-350-74_ext
Number of variables: 40
Number of constraints: 250
Satisfiable: None
Timestamp: 2017-10-27 10:56:57
Stampede: v1.0.0-797-g05e223c
Boost: 1.64.0
Benchmark comments

Instance comments



Component #1 Number of variables: 40
Number of constraints: 250
General features
Number of coarse blocks: 8,000
Number of unique subscopes: 40
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Arity 2 2 2.00 2.00 500 MAX VALUE 173.29 0.00 0.00 0.00
Coarse blocks size 3 16 10.41 10.00 83,244 MAX VALUE 18,588.10 1.93 0.19 2.07
Relational linkage 0.19 0.69 0.45 0.44 285.19 0.00 -528.03 0.08 0.17 1.61
Tightness 0.25 0.43 0.35 0.35 87.41 0.00 -263.78 0.03 0.09 3.43
Tuples 145 193 166.49 166.50 41,622 MAX VALUE 1,278.43 8.23 0.05 3.43
Domain size 16 16 16.00 16.00 640 MAX VALUE 110.90 0.00 0.00 0.00
Constraints per subscope 7 18 12.50 12.50 500 MAX VALUE 100.34 2.24 0.18 2.16
Partitions per subscope 16 16 16.00 16.00 640 MAX VALUE 110.90 0.00 0.00 0.00
Tree decomposition
Number of clusters: 15
Number of leaves: 8
Tree depth: 4
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 11 109 45.73 30.00 686 3.12e+23 54.10 29.76 0.65 2.62
Cluster variables 8 26 15.07 12.00 226 1.70e+17 39.68 5.64 0.37 2.40
Separator constraints 0 82 29.07 19.00 436 0 None 25.06 0.86 2.52
Separator variables 0 23 12.40 11.00 186 0 None 5.85 0.47 2.40
Dual tree decomposition
Number of clusters: 38
Number of leaves: 19
Tree depth: 5
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 65 735 263.26 202.50 10,004 MAX VALUE 204.81 170.26 0.65 3.56
Cluster variables 16 125 43.00 31.00 1,634 MAX VALUE 136.65 27.71 0.64 3.16
Separator constraints 0 426 184.97 174.00 7,029 0 None 96.77 0.52 3.56
Separator variables 0 97 36.42 28.00 1,384 0 None 20.85 0.57 3.27
Primal graph
Density: 32.05%
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.19 0.42 0.30 0.30 12.15 0.00 -48.15 0.05 0.15 3.26
Degree 7 18 12.50 12.50 500 MAX VALUE 100.34 2.24 0.18 2.16
Eccentricity 2 3 2.20 2.00 88 2.82e+13 30.97 0.40 0.18 0.50
Triangulated primal graph
Density: 65.51%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.73 1.00 0.87 0.85 34.75 0.00 -5.82 0.09 0.10 3.24
Degree 7 35 25.55 30.50 1,022 MAX VALUE 125.67 9.24 0.36 2.64
Eccentricity 2 3 2.05 2.00 82 2.47e+12 28.54 0.22 0.11 0.20
Dual graph
Density: 9.56%
MCB compute time (ms): 3,175
MCB cycles: 3,142
Triangles: 11,501
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 0.57 0.50 0.50 125.22 0.00 -172.94 0.01 0.03 4.31
Degree 15 32 23.80 24.00 5,950 MAX VALUE 790.43 2.95 0.12 2.48
Eccentricity 3 3 3.00 3.00 750 MAX VALUE 274.65 0.00 0.00 0.00
MCB cycle size 3 5 3.10 3.00 9,731 MAX VALUE 3,539.52 0.30 0.10 0.32
Minimal dual graph
Density: 1.48%
MCB compute time (ms): 334
MCB cycles: 211
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 6 3.68 4.00 920 MAX VALUE 319.89 0.81 0.22 1.14
Eccentricity 6 8 7.26 7.00 1,815 MAX VALUE 495.01 0.50 0.07 0.72
MCB cycle size 4 10 6.72 7.00 1,418 MAX VALUE 398.62 1.14 0.17 1.47
Triangulated dual graph
Density: 51.81%
Triangles: 646,803
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.74 1.00 0.84 0.81 210.29 0.00 -44.43 0.08 0.10 4.60
Degree 15 188 129.00 154.00 32,250 MAX VALUE 1,175.79 56.32 0.44 3.79
Eccentricity 2 3 2.16 2.00 539 MAX VALUE 189.10 0.36 0.17 0.43
Triangulated minimal dual graph
Density: 10.98%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.54 1.00 0.81 0.77 203.44 0.00 -55.34 0.14 0.18 3.50
Degree 2 86 27.33 7.00 6,832 MAX VALUE 621.72 31.91 1.17 3.17
Eccentricity 3 5 3.69 4.00 923 MAX VALUE 324.10 0.50 0.14 0.72
Incidence graph
Density: 1.19%
MCB compute time (ms): 233
MCB cycles: 211
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 0.00 0.00 0.00 0.00 None 0.00 None 0.00
Degree 2 18 3.45 2.00 1,000 MAX VALUE 273.63 3.71 1.08 0.70
Eccentricity 5 7 5.90 6.00 1,710 MAX VALUE 514.08 0.33 0.06 0.39
MCB cycle size 6 8 6.05 6.00 1,276 MAX VALUE 379.50 0.30 0.05 0.11