Instance: rand-2-40-180-84-900-62_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:22
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: 29,520
Number of unique subscopes: 36
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 18.01 18.00 531,767 MAX VALUE 84,571.30 4.03 0.22 2.81
Relational linkage 0.02 0.14 0.08 0.08 499.77 0.00 -16,739.50 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 4.13
Tuples 3,112 3,384 3,241.57 3,239.00 272,292 MAX VALUE 679.03 55.37 0.02 4.13
Domain size 180 180 180.00 180.00 7,200 MAX VALUE 207.72 0.00 0.00 0.00
Constraints per subscope 2 9 4.56 4.00 164 2.34e+22 51.51 1.89 0.42 1.86
Partitions per subscope 180 180 180.00 180.00 6,480 MAX VALUE 186.95 0.00 0.00 0.00
Tree decomposition
Number of clusters: 31
Number of leaves: 15
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 12 4.13 3.00 128 1.06e+16 36.90 2.83 0.68 2.06
Cluster variables 2 10 4.90 4.00 152 9.25e+19 45.97 2.33 0.48 1.94
Separator constraints 0 8 1.42 1.00 44 0 None 2.12 1.49 1.50
Separator variables 0 9 3.61 3.00 112 0 None 2.24 0.62 2.00
Dual tree decomposition
Number of clusters: 37
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 3 50 19.86 16.00 735 MAX VALUE 99.76 13.17 0.66 2.95
Cluster variables 3 23 10.24 9.00 379 1.88e+35 81.22 5.29 0.52 2.69
Separator constraints 0 27 10.24 8.00 379 0 None 8.09 0.79 2.89
Separator variables 0 18 7.97 7.00 295 0 None 4.16 0.52 2.60
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 2.41
Degree 1 9 4.20 4.00 168 2.34e+22 51.51 2.09 0.50 2.00
Eccentricity 4 6 4.50 4.00 180 9.28e+25 59.79 0.63 0.14 0.88
Triangulated primal graph
Density: 20.13%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 None 0.80 None None None None None 3.04
Degree 1 20 7.85 4.50 314 1.33e+29 67.06 6.36 0.81 2.46
Eccentricity 3 5 3.62 4.00 145 1.42e+22 51.01 0.58 0.16 0.85
Dual graph
Density: 10.21%
MCB compute time (ms): 37
MCB cycles: 278
Triangles: 518
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 0.53 0.50 44.80 0.00 -54.82 0.13 0.24 3.29
Degree 2 15 8.48 8.00 712 MAX VALUE 174.30 2.78 0.33 2.37
Eccentricity 4 5 4.23 4.00 355 MAX VALUE 120.69 0.42 0.10 0.53
MCB cycle size 3 6 3.15 3.00 877 MAX VALUE 317.10 0.46 0.15 0.45
Minimal dual graph
Density: 3.67%
MCB compute time (ms): 9
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 1.10
Degree 1 5 3.05 3.00 256 MAX VALUE 90.73 0.74 0.24 1.10
Eccentricity 6 9 7.07 7.00 594 MAX VALUE 163.88 0.72 0.10 1.08
MCB cycle size 4 10 6.62 7.00 298 2.60e+36 83.85 1.50 0.23 1.77
Triangulated dual graph
Density: 26.42%
Triangles: 5,921
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.50 1.00 0.78 0.78 65.24 0.00 -22.69 0.14 0.18 3.83
Degree 2 47 21.93 19.50 1,842 MAX VALUE 237.92 13.49 0.62 3.38
Eccentricity 2 4 3.33 3.00 280 MAX VALUE 100.22 0.50 0.15 0.70
Triangulated minimal dual graph
Density: 11.13%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 None 0.67 None None None None None 3.21
Degree 1 28 9.24 5.00 776 MAX VALUE 151.00 8.55 0.93 2.67
Eccentricity 3 5 3.95 4.00 332 MAX VALUE 114.46 0.60 0.15 0.90
Incidence graph
Density: 2.20%
MCB compute time (ms): 14
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 1.00
Degree 1 9 2.71 2.00 336 MAX VALUE 109.73 1.57 0.58 1.17
Eccentricity 8 12 9.26 9.00 1,148 MAX VALUE 275.33 0.96 0.10 1.27
MCB cycle size 6 12 7.69 8.00 346 MAX VALUE 90.94 1.52 0.20 1.10