Instance: rand-2-40-180-84-900-56_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:14
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 5 35 17.97 18.00 536,917 MAX VALUE 85,524.20 4.02 0.22 2.81
Relational linkage 0.03 0.14 0.08 0.08 526.94 0.00 -17,679.50 0.02 0.20 2.44
Tightness 0.90 0.91 0.90 0.90 75.61 0.00 -8.83 0.00 0.00 4.18
Tuples 3,064 3,351 3,234.36 3,235.50 271,686 MAX VALUE 678.84 54.52 0.02 4.18
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 4.37 4.00 166 1.81e+23 53.55 1.61 0.37 1.63
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: 30
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 4.47 4.00 134 9.98e+16 39.14 2.75 0.62 2.04
Cluster variables 2 11 5.40 5.00 162 5.48e+20 47.75 2.37 0.44 2.05
Separator constraints 0 10 1.67 1.00 50 0 None 2.55 1.53 1.49
Separator variables 0 9 4.07 4.00 122 0 None 2.26 0.56 2.05
Dual tree decomposition
Number of clusters: 38
Number of leaves: 13
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 3 43 18.16 14.50 690 MAX VALUE 101.93 11.39 0.63 2.97
Cluster variables 3 28 10.53 8.00 400 4.74e+36 84.45 5.77 0.55 2.51
Separator constraints 0 31 9.50 7.00 361 0 None 7.29 0.77 2.66
Separator variables 0 20 8.32 7.00 316 0 None 4.54 0.55 2.43
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 0.15 None None None None None 2.09
Degree 1 8 4.20 4.00 168 1.81e+23 53.55 1.73 0.41 1.75
Eccentricity 3 6 4.40 4.00 176 3.48e+25 58.81 0.66 0.15 1.00
Triangulated primal graph
Density: 22.69%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 None 0.69 None None None None None 3.04
Degree 1 23 8.85 6.00 354 9.37e+31 73.62 6.66 0.75 2.66
Eccentricity 2 4 3.58 4.00 143 8.08e+21 50.44 0.54 0.15 0.77
Dual graph
Density: 9.44%
MCB compute time (ms): 62
MCB cycles: 252
Triangles: 421
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 0.48 41.93 0.00 -59.98 0.11 0.22 2.85
Degree 2 14 7.83 7.00 658 MAX VALUE 168.30 2.48 0.32 2.21
Eccentricity 3 5 4.20 4.00 353 MAX VALUE 120.11 0.46 0.11 0.64
MCB cycle size 3 6 3.24 3.00 817 MAX VALUE 292.92 0.61 0.19 0.58
Minimal dual graph
Density: 3.67%
MCB compute time (ms): 17
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 0.55
Degree 1 5 3.05 3.00 256 MAX VALUE 91.08 0.71 0.23 1.07
Eccentricity 6 9 6.98 7.00 586 MAX VALUE 162.67 0.77 0.11 1.12
MCB cycle size 4 10 6.96 7.00 313 1.85e+37 85.81 1.71 0.25 1.85
Triangulated dual graph
Density: 28.40%
Triangles: 7,172
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.57 1.00 0.78 0.75 65.76 0.00 -21.70 0.13 0.17 3.91
Degree 2 47 23.57 21.50 1,980 MAX VALUE 242.30 14.92 0.63 3.48
Eccentricity 2 4 3.02 3.00 254 MAX VALUE 92.03 0.44 0.14 0.62
Triangulated minimal dual graph
Density: 11.56%
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 2.75
Degree 1 32 9.60 5.00 806 MAX VALUE 152.58 9.26 0.96 2.68
Eccentricity 3 6 4.56 5.00 383 MAX VALUE 126.66 0.60 0.13 0.90
Incidence graph
Density: 2.20%
MCB compute time (ms): 29
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 0.76
Degree 1 8 2.71 2.00 336 MAX VALUE 111.78 1.42 0.53 1.09
Eccentricity 7 12 9.07 9.00 1,125 MAX VALUE 272.64 1.05 0.12 1.42
MCB cycle size 6 12 8.22 8.00 370 MAX VALUE 93.90 1.65 0.20 1.20