Instance: rand-2-40-180-84-900-7_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:25
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: 29,700
Number of unique subscopes: 37
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 35 17.99 18.00 534,162 MAX VALUE 85,038.00 4.03 0.22 2.81
Relational linkage 0.02 0.13 0.08 0.08 514.14 0.00 -17,199.10 0.02 0.20 2.44
Tightness 0.90 0.91 0.90 0.90 75.61 0.00 -8.84 0.00 0.00 4.25
Tuples 3,078 3,364 3,236.71 3,234.00 271,884 MAX VALUE 678.90 53.37 0.02 4.25
Domain size 180 180 180.00 180.00 7,200 MAX VALUE 207.72 0.00 0.00 0.00
Constraints per subscope 2 8 4.46 4.00 165 7.95e+22 52.73 1.65 0.37 1.78
Partitions per subscope 180 180 180.00 180.00 6,660 MAX VALUE 192.14 0.00 0.00 0.00
Tree decomposition
Number of clusters: 30
Number of leaves: 11
Tree depth: 6
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 1 9 4.00 3.50 120 5.14e+15 36.18 2.28 0.57 1.97
Cluster variables 2 11 5.10 5.00 153 8.05e+19 45.83 2.31 0.45 2.01
Separator constraints 0 5 1.20 1.00 36 0 None 1.38 1.15 1.43
Separator variables 0 8 3.77 3.50 113 0 None 2.16 0.57 2.01
Dual tree decomposition
Number of clusters: 38
Number of leaves: 13
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 3 44 17.68 14.00 672 MAX VALUE 99.42 12.14 0.69 3.05
Cluster variables 4 23 9.89 8.50 376 4.06e+35 81.99 5.36 0.54 2.62
Separator constraints 0 27 8.84 7.00 336 0 None 6.99 0.79 2.64
Separator variables 0 18 7.68 6.50 292 0 None 4.25 0.55 2.54
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 1.00 None 0.12 None None None None None 2.29
Degree 1 8 4.20 4.00 168 7.95e+22 52.73 1.83 0.44 1.91
Eccentricity 4 5 4.42 4.00 177 5.37e+25 59.25 0.49 0.11 0.68
Triangulated primal graph
Density: 21.54%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.47 1.00 None 0.70 None None None None None 3.27
Degree 1 19 8.40 6.00 336 1.62e+31 71.86 6.10 0.73 2.64
Eccentricity 3 5 3.85 4.00 154 1.46e+23 53.34 0.65 0.17 0.97
Dual graph
Density: 9.64%
MCB compute time (ms): 57
MCB cycles: 256
Triangles: 440
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 0.50 0.47 42.22 0.00 -59.55 0.12 0.23 3.09
Degree 3 14 8.00 8.00 672 MAX VALUE 169.12 2.73 0.34 2.35
Eccentricity 4 6 4.79 5.00 402 MAX VALUE 130.89 0.58 0.12 0.86
MCB cycle size 3 6 3.20 3.00 818 MAX VALUE 294.51 0.55 0.17 0.50
Minimal dual graph
Density: 3.67%
MCB compute time (ms): 13
MCB cycles: 45
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 1.00 None 0.00 None None None None None 0.77
Degree 1 4 3.05 3.00 256 MAX VALUE 91.38 0.65 0.21 0.98
Eccentricity 5 9 7.26 7.00 610 MAX VALUE 166.03 0.79 0.11 1.18
MCB cycle size 3 10 6.73 7.00 303 5.44e+36 84.59 1.44 0.21 1.68
Triangulated dual graph
Density: 25.82%
Triangles: 5,832
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.53 1.00 0.77 0.76 64.80 0.00 -23.14 0.14 0.18 3.78
Degree 3 48 21.43 19.00 1,800 MAX VALUE 234.92 13.54 0.63 3.55
Eccentricity 3 5 3.96 4.00 333 MAX VALUE 114.81 0.57 0.14 0.85
Triangulated minimal dual graph
Density: 11.42%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.31 1.00 None 0.67 None None None None None 2.93
Degree 1 30 9.48 5.00 796 MAX VALUE 154.47 8.49 0.90 2.73
Eccentricity 3 6 4.95 5.00 416 MAX VALUE 133.50 0.71 0.14 1.06
Incidence graph
Density: 2.20%
MCB compute time (ms): 24
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 0.70
Degree 1 8 2.71 2.00 336 MAX VALUE 110.95 1.46 0.54 1.11
Eccentricity 8 12 9.79 10.00 1,214 MAX VALUE 282.30 0.96 0.10 1.35
MCB cycle size 6 12 8.00 8.00 360 MAX VALUE 92.63 1.63 0.20 1.17