Instance: rand-2-40-180-84-900-13_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:24
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 4 37 18.02 18.00 538,295 MAX VALUE 85,614.00 4.01 0.22 2.80
Relational linkage 0.02 0.15 0.08 0.08 531.59 0.00 -17,615.30 0.02 0.20 2.44
Tightness 0.90 0.90 0.90 0.90 75.59 0.00 -8.86 0.00 0.00 4.02
Tuples 3,106 3,355 3,242.29 3,240.00 272,352 MAX VALUE 679.05 52.91 0.02 4.02
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 4.37 4.00 166 1.24e+23 53.17 1.74 0.40 1.78
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: 31
Number of leaves: 14
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 7 4.23 4.00 131 8.85e+17 41.32 1.70 0.40 1.88
Cluster variables 2 10 5.35 5.00 166 2.34e+21 49.20 2.29 0.43 2.00
Separator constraints 0 6 1.52 1.00 47 0 None 1.62 1.07 1.62
Separator variables 0 9 4.06 4.00 126 0 None 2.26 0.56 2.07
Dual tree decomposition
Number of clusters: 38
Number of leaves: 14
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 4 42 18.84 16.00 716 MAX VALUE 106.08 9.66 0.51 3.19
Cluster variables 4 26 10.42 9.00 396 1.03e+37 85.23 5.07 0.49 2.53
Separator constraints 0 28 9.97 9.00 379 0 None 6.23 0.63 2.68
Separator variables 0 19 8.21 7.50 312 0 None 3.90 0.48 2.44
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 2.31
Degree 1 9 4.20 4.00 168 1.24e+23 53.17 1.85 0.44 1.89
Eccentricity 3 5 4.30 4.00 172 1.65e+25 58.06 0.51 0.12 0.74
Triangulated primal graph
Density: 21.92%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.45 1.00 None 0.61 None None None None None 3.10
Degree 1 21 8.55 6.00 342 2.65e+31 72.35 6.39 0.75 2.59
Eccentricity 2 4 3.40 3.00 136 9.58e+20 48.31 0.58 0.17 0.86
Dual graph
Density: 9.67%
MCB compute time (ms): 34
MCB cycles: 266
Triangles: 461
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 0.50 43.93 0.00 -56.14 0.11 0.22 3.14
Degree 3 14 8.02 8.00 674 MAX VALUE 170.99 2.40 0.30 2.21
Eccentricity 4 5 4.23 4.00 355 MAX VALUE 120.69 0.42 0.10 0.53
MCB cycle size 3 6 3.27 3.00 871 MAX VALUE 310.94 0.70 0.21 0.60
Minimal dual graph
Density: 3.67%
MCB compute time (ms): 12
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 0.47
Degree 1 4 3.05 3.00 256 MAX VALUE 91.85 0.58 0.19 0.85
Eccentricity 6 8 7.23 7.00 607 MAX VALUE 165.83 0.60 0.08 0.90
MCB cycle size 4 9 6.80 7.00 306 9.55e+36 85.15 1.44 0.21 1.68
Triangulated dual graph
Density: 26.96%
Triangles: 6,218
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.57 1.00 0.78 0.76 65.23 0.00 -22.58 0.14 0.18 3.80
Degree 3 44 22.38 18.00 1,880 MAX VALUE 240.09 13.99 0.63 3.25
Eccentricity 2 4 3.00 3.00 252 MAX VALUE 91.22 0.46 0.15 0.67
Triangulated minimal dual graph
Density: 11.82%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.42 1.00 None 0.67 None None None None None 2.93
Degree 1 30 9.81 5.00 824 MAX VALUE 158.27 8.70 0.89 2.80
Eccentricity 3 5 3.86 4.00 324 MAX VALUE 112.48 0.56 0.15 0.84
Incidence graph
Density: 2.20%
MCB compute time (ms): 19
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 0.72
Degree 1 9 2.71 2.00 336 MAX VALUE 111.40 1.47 0.54 1.11
Eccentricity 7 11 9.07 9.00 1,125 MAX VALUE 272.97 0.80 0.09 1.19
MCB cycle size 6 12 7.91 8.00 356 MAX VALUE 92.12 1.63 0.21 1.16