Instance: rand-2-40-180-84-900-2_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:10
Stampede: v1.0.0-797-g05e223c
Boost: 1.64.0
Benchmark comments

Instance comments



Component #1 Number of variables: 40
Number of constraints: 84
General features
Number of coarse blocks: 29,880
Number of unique subscopes: 38
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Arity 2 2 2.00 2.00 168 1.93e+25 58.22 0.00 0.00 0.00
Coarse blocks size 4 37 18.00 18.00 537,795 MAX VALUE 85,579.60 4.02 0.22 2.81
Relational linkage 0.02 0.15 0.08 0.08 530.05 0.00 -17,636.60 0.02 0.20 2.44
Tightness 0.90 0.90 0.90 0.90 75.60 0.00 -8.85 0.00 0.00 4.19
Tuples 3,107 3,402 3,239.52 3,243.50 272,120 MAX VALUE 678.97 61.08 0.02 4.19
Domain size 180 180 180.00 180.00 7,200 MAX VALUE 207.72 0.00 0.00 0.00
Constraints per subscope 2 7 4.37 4.50 166 1.03e+23 52.99 1.61 0.37 1.75
Partitions per subscope 180 180 180.00 180.00 6,840 MAX VALUE 197.33 0.00 0.00 0.00
Tree decomposition
Number of clusters: 29
Number of leaves: 11
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 1 11 4.28 4.00 124 5.30e+15 36.21 2.61 0.61 2.08
Cluster variables 2 12 5.38 4.00 156 3.24e+19 44.92 2.86 0.53 2.06
Separator constraints 0 6 1.38 1.00 40 0 None 1.79 1.30 1.52
Separator variables 0 11 4.00 3.00 116 0 None 2.68 0.67 2.11
Dual tree decomposition
Number of clusters: 38
Number of leaves: 12
Tree depth: 7
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 1 44 18.21 15.00 692 MAX VALUE 100.32 11.65 0.64 3.00
Cluster variables 2 25 10.21 8.50 388 7.39e+35 82.59 5.60 0.55 2.72
Separator constraints 0 25 9.55 8.00 363 0 None 7.13 0.75 2.67
Separator variables 0 19 8.00 7.00 304 0 None 4.38 0.55 2.61
Primal graph
Density: 10.77%
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 0.33 None 0.14 None None None None None 2.09
Degree 1 7 4.20 4.00 168 1.03e+23 52.99 1.73 0.41 1.86
Eccentricity 4 7 5.05 5.00 202 8.23e+27 64.28 0.80 0.16 1.16
Triangulated primal graph
Density: 23.33%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 1.00 None 0.69 None None None None None 3.13
Degree 1 20 9.10 7.00 364 9.97e+31 73.68 6.75 0.74 2.53
Eccentricity 3 6 4.33 4.00 173 1.67e+25 58.08 0.69 0.16 1.02
Dual graph
Density: 9.44%
MCB compute time (ms): 36
MCB cycles: 253
Triangles: 403
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 None 0.47 None None None None None 3.02
Degree 1 12 7.83 8.00 658 MAX VALUE 167.97 2.29 0.29 2.17
Eccentricity 4 6 4.54 4.00 381 MAX VALUE 126.33 0.59 0.13 0.85
MCB cycle size 3 6 3.21 3.00 812 MAX VALUE 291.89 0.58 0.18 0.51
Minimal dual graph
Density: 3.67%
MCB compute time (ms): 12
MCB cycles: 45
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 0.72
Degree 1 4 3.05 3.00 256 MAX VALUE 91.62 0.62 0.20 0.92
Eccentricity 6 10 7.85 8.00 659 MAX VALUE 172.29 1.05 0.13 1.38
MCB cycle size 4 9 6.73 7.00 303 6.27e+36 84.73 1.44 0.21 1.68
Triangulated dual graph
Density: 27.37%
Triangles: 6,508
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.55 1.00 None 0.77 None None None None None 4.02
Degree 1 48 22.71 20.50 1,908 MAX VALUE 238.91 14.12 0.62 3.59
Eccentricity 3 5 3.56 4.00 299 MAX VALUE 105.61 0.56 0.16 0.82
Triangulated minimal dual graph
Density: 12.11%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 1.00 None 0.67 None None None None None 3.11
Degree 1 31 10.05 5.00 844 MAX VALUE 157.67 9.19 0.91 2.69
Eccentricity 4 7 5.56 6.00 467 MAX VALUE 143.42 0.70 0.13 1.05
Incidence graph
Density: 2.20%
MCB compute time (ms): 18
MCB cycles: 45
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 0.36
Degree 1 7 2.71 2.00 336 MAX VALUE 111.22 1.42 0.53 1.03
Eccentricity 8 14 10.06 10.00 1,247 MAX VALUE 285.23 1.30 0.13 1.57
MCB cycle size 6 12 7.78 8.00 350 MAX VALUE 91.26 1.70 0.22 1.16