Instance: rand-2-40-180-84-900-70_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: 29,520
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 36 18.08 18.00 533,695 MAX VALUE 84,687.50 4.03 0.22 2.81
Relational linkage 0.02 0.14 0.08 0.08 502.58 0.00 -16,699.50 0.02 0.20 2.43
Tightness 0.90 0.90 0.90 0.90 75.56 0.00 -8.89 0.00 0.00 4.15
Tuples 3,117 3,371 3,254.24 3,254.00 273,356 MAX VALUE 679.36 47.32 0.01 4.15
Domain size 180 180 180.00 180.00 7,200 MAX VALUE 207.72 0.00 0.00 0.00
Constraints per subscope 2 10 4.56 4.00 164 3.07e+22 51.78 1.82 0.40 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: 30
Number of leaves: 15
Tree depth: 4
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 0 11 4.27 3.00 128 0 None 3.03 0.71 2.15
Cluster variables 2 11 5.20 4.00 156 7.25e+19 45.73 2.63 0.50 2.01
Separator constraints 0 9 1.47 0.00 44 0 None 2.46 1.68 1.39
Separator variables 0 10 3.87 3.00 116 0 None 2.50 0.65 2.06
Dual tree decomposition
Number of clusters: 38
Number of leaves: 14
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 56 19.55 16.00 743 MAX VALUE 105.47 12.61 0.64 2.96
Cluster variables 4 27 10.42 9.00 396 4.17e+36 84.32 5.58 0.54 2.57
Separator constraints 0 36 10.32 10.00 392 0 None 7.82 0.76 2.62
Separator variables 0 19 8.21 8.00 312 0 None 4.32 0.53 2.47
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 0.01 None None None None None 2.00
Degree 1 10 4.20 4.00 168 3.07e+22 51.78 2.03 0.48 2.00
Eccentricity 3 5 4.22 4.00 169 7.42e+24 57.27 0.57 0.13 0.85
Triangulated primal graph
Density: 21.92%
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 3.07
Degree 1 20 8.55 6.00 342 2.96e+30 70.16 6.65 0.78 2.50
Eccentricity 3 5 3.70 4.00 148 3.16e+22 51.81 0.60 0.16 0.89
Dual graph
Density: 10.07%
MCB compute time (ms): 37
MCB cycles: 284
Triangles: 502
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.40 1.00 0.52 0.49 43.88 0.00 -56.59 0.13 0.25 3.03
Degree 3 15 8.36 8.00 702 MAX VALUE 173.31 2.82 0.34 2.33
Eccentricity 3 5 3.99 4.00 335 MAX VALUE 115.77 0.39 0.10 0.54
MCB cycle size 3 6 3.27 3.00 928 MAX VALUE 332.20 0.62 0.19 0.63
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 0.18
Degree 1 5 3.05 3.00 256 MAX VALUE 91.79 0.60 0.20 0.87
Eccentricity 6 8 6.95 7.00 584 MAX VALUE 162.55 0.62 0.09 0.93
MCB cycle size 4 9 6.96 7.00 313 2.70e+37 86.19 1.40 0.20 1.49
Triangulated dual graph
Density: 28.08%
Triangles: 6,925
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.54 1.00 0.78 0.74 65.71 0.00 -21.86 0.13 0.17 3.76
Degree 3 47 23.31 20.00 1,958 MAX VALUE 241.55 14.77 0.63 3.45
Eccentricity 2 3 2.68 3.00 225 2.11e+35 81.34 0.47 0.17 0.63
Triangulated minimal dual graph
Density: 12.16%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.43 1.00 None 0.67 None None None None None 2.77
Degree 1 30 10.10 5.00 848 MAX VALUE 158.59 9.23 0.91 2.65
Eccentricity 3 5 3.95 4.00 332 MAX VALUE 114.27 0.65 0.17 0.98
Incidence graph
Density: 2.20%
MCB compute time (ms): 15
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 1.10
Degree 1 10 2.71 2.00 336 MAX VALUE 110.00 1.54 0.57 1.14
Eccentricity 7 11 8.69 9.00 1,077 MAX VALUE 267.37 0.91 0.10 1.30
MCB cycle size 6 12 8.09 8.00 364 MAX VALUE 93.40 1.40 0.17 1.05