Instance: rand-2-40-180-84-900-57_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:29
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 3 35 18.01 18.00 534,789 MAX VALUE 85,072.50 4.03 0.22 2.81
Relational linkage 0.02 0.14 0.08 0.08 515.19 0.00 -17,188.70 0.02 0.20 2.45
Tightness 0.90 0.90 0.90 0.90 75.60 0.00 -8.85 0.00 0.00 4.14
Tuples 3,086 3,366 3,240.55 3,243.50 272,206 MAX VALUE 679.00 51.82 0.02 4.14
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 4.46 4.00 165 6.42e+22 52.52 1.60 0.36 1.76
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: 31
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 11 4.13 4.00 128 6.78e+16 38.76 2.34 0.57 2.02
Cluster variables 2 10 5.32 5.00 165 9.22e+20 48.27 2.52 0.47 2.09
Separator constraints 0 8 1.42 1.00 44 0 None 1.95 1.37 1.52
Separator variables 0 9 4.03 3.00 125 0 None 2.48 0.62 2.15
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 6 44 18.76 15.00 713 MAX VALUE 105.78 10.41 0.55 3.05
Cluster variables 4 26 10.42 9.00 396 5.25e+36 84.55 5.50 0.53 2.54
Separator constraints 0 32 10.00 8.50 380 0 None 6.76 0.68 2.80
Separator variables 0 19 8.21 7.50 312 0 None 4.29 0.52 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 0.10 None None None None None 2.43
Degree 1 7 4.20 4.00 168 6.42e+22 52.52 1.79 0.43 1.90
Eccentricity 3 5 4.15 4.00 166 3.80e+24 56.60 0.53 0.13 0.78
Triangulated primal graph
Density: 21.79%
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 3.29
Degree 1 21 8.50 6.00 340 6.78e+30 70.99 6.36 0.75 2.70
Eccentricity 3 5 3.58 4.00 143 7.99e+21 50.43 0.59 0.16 0.86
Dual graph
Density: 9.55%
MCB compute time (ms): 41
MCB cycles: 256
Triangles: 408
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 0.52 0.47 43.53 0.00 -57.14 0.12 0.24 2.92
Degree 3 12 7.93 8.00 666 MAX VALUE 170.74 2.07 0.26 2.10
Eccentricity 3 5 3.99 4.00 335 MAX VALUE 115.90 0.33 0.08 0.41
MCB cycle size 3 6 3.22 3.00 824 MAX VALUE 296.18 0.57 0.18 0.55
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 0.33 0.01 0.00 0.83 0.00 None 0.05 5.41 0.18
Degree 2 5 3.05 3.00 256 MAX VALUE 91.96 0.60 0.20 0.89
Eccentricity 6 9 7.13 7.00 599 MAX VALUE 164.63 0.69 0.10 0.99
MCB cycle size 3 9 6.78 7.00 305 7.64e+36 84.93 1.44 0.21 1.71
Triangulated dual graph
Density: 27.71%
Triangles: 6,747
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.58 1.00 0.78 0.77 65.66 0.00 -21.89 0.13 0.17 3.73
Degree 3 46 23.00 21.00 1,932 MAX VALUE 240.69 14.62 0.64 3.27
Eccentricity 2 4 2.80 3.00 235 9.60e+36 85.16 0.46 0.16 0.64
Triangulated minimal dual graph
Density: 11.79%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.39 1.00 0.74 0.67 62.47 0.00 -28.30 0.21 0.28 2.66
Degree 2 29 9.79 5.00 822 MAX VALUE 156.97 8.95 0.91 2.49
Eccentricity 3 6 4.43 4.00 372 MAX VALUE 124.01 0.66 0.15 1.00
Incidence graph
Density: 2.20%
MCB compute time (ms): 20
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 0.77
Degree 1 7 2.71 2.00 336 MAX VALUE 110.74 1.45 0.53 1.06
Eccentricity 7 10 8.60 9.00 1,066 MAX VALUE 266.28 0.76 0.09 1.14
MCB cycle size 6 12 8.13 8.00 366 MAX VALUE 93.49 1.54 0.19 1.14