Instance: rand-2-40-180-84-900-55_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: 30,060
Number of unique subscopes: 39
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 18.05 18.00 542,684 MAX VALUE 86,191.90 4.02 0.22 2.81
Relational linkage 0.03 0.16 0.08 0.08 545.75 0.00 -18,073.00 0.02 0.20 2.42
Tightness 0.90 0.90 0.90 0.90 75.58 0.00 -8.88 0.00 0.00 4.26
Tuples 3,138 3,392 3,249.49 3,256.50 272,957 MAX VALUE 679.23 58.93 0.02 4.26
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 4.28 4.00 167 3.79e+23 54.29 1.55 0.36 1.74
Partitions per subscope 180 180 180.00 180.00 7,020 MAX VALUE 202.53 0.00 0.00 0.00
Tree decomposition
Number of clusters: 30
Number of leaves: 13
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 6 3.70 3.50 111 1.04e+16 36.89 1.37 0.37 1.66
Cluster variables 2 10 5.43 5.00 163 1.55e+21 48.79 1.98 0.36 1.97
Separator constraints 0 4 0.90 0.00 27 0 None 1.19 1.33 1.24
Separator variables 0 8 4.10 4.00 123 0 None 1.87 0.46 1.97
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 5 54 17.29 13.50 657 MAX VALUE 100.72 11.37 0.66 3.05
Cluster variables 5 24 10.45 9.00 397 6.00e+36 84.68 5.39 0.52 2.47
Separator constraints 0 27 8.84 7.00 336 0 None 6.84 0.77 2.75
Separator variables 0 19 8.24 7.00 313 0 None 4.18 0.51 2.34
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 0.00 None None None None None 1.35
Degree 1 9 4.20 4.00 168 3.79e+23 54.29 1.62 0.38 1.82
Eccentricity 3 5 4.28 4.00 171 1.24e+25 57.78 0.55 0.13 0.81
Triangulated primal graph
Density: 22.69%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.41 1.00 None 0.80 None None None None None 2.56
Degree 1 22 8.85 6.00 354 4.17e+32 75.11 6.50 0.73 2.63
Eccentricity 2 4 3.00 3.00 120 7.59e+18 43.47 0.45 0.15 0.64
Dual graph
Density: 9.21%
MCB compute time (ms): 41
MCB cycles: 239
Triangles: 394
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 41.59 0.00 -60.42 0.10 0.20 2.94
Degree 4 15 7.64 7.00 642 MAX VALUE 167.31 2.21 0.29 2.11
Eccentricity 3 5 4.21 4.00 354 MAX VALUE 120.40 0.44 0.10 0.60
MCB cycle size 3 6 3.24 3.00 774 MAX VALUE 277.76 0.58 0.18 0.57
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 0.00 0.00 0.00 0.00 0.00 None 0.00 None 0.00
Degree 2 4 3.05 3.00 256 MAX VALUE 91.79 0.62 0.20 0.93
Eccentricity 6 8 6.79 7.00 570 MAX VALUE 160.46 0.66 0.10 0.97
MCB cycle size 4 10 7.20 7.00 324 1.47e+38 87.88 1.41 0.20 1.70
Triangulated dual graph
Density: 27.60%
Triangles: 6,506
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.55 1.00 0.78 0.75 65.38 0.00 -22.35 0.14 0.18 3.76
Degree 4 45 22.90 21.00 1,924 MAX VALUE 241.63 14.13 0.62 3.39
Eccentricity 2 4 2.85 3.00 239 3.03e+37 86.31 0.52 0.18 0.77
Triangulated minimal dual graph
Density: 11.76%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.42 1.00 0.75 0.67 62.86 0.00 -27.77 0.21 0.28 2.65
Degree 2 28 9.76 5.00 820 MAX VALUE 155.37 9.06 0.93 2.60
Eccentricity 3 5 3.93 4.00 330 MAX VALUE 113.95 0.59 0.15 0.89
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 0.65
Degree 1 9 2.71 2.00 336 MAX VALUE 112.52 1.38 0.51 1.11
Eccentricity 7 11 9.02 9.00 1,119 MAX VALUE 272.14 0.93 0.10 1.31
MCB cycle size 6 12 8.44 8.00 380 MAX VALUE 95.31 1.45 0.17 1.09