Instance: rand-2-40-180-84-900-35_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:10
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 38 18.00 18.00 531,293 MAX VALUE 84,558.70 3.99 0.22 2.80
Relational linkage 0.02 0.14 0.08 0.08 503.57 0.00 -16,693.80 0.02 0.20 2.46
Tightness 0.90 0.90 0.90 0.90 75.60 0.00 -8.85 0.00 0.00 4.15
Tuples 3,129 3,332 3,238.36 3,238.00 272,022 MAX VALUE 678.95 48.71 0.02 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 8 4.56 4.00 164 1.97e+22 51.33 1.86 0.41 1.87
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: 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 11 4.33 3.50 130 2.22e+15 35.34 3.13 0.72 2.14
Cluster variables 2 11 4.97 4.00 149 2.09e+19 44.49 2.52 0.51 1.99
Separator constraints 0 8 1.53 0.50 46 0 None 2.19 1.43 1.53
Separator variables 0 10 3.63 3.00 109 0 None 2.36 0.65 2.04
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 4 52 21.63 18.50 822 MAX VALUE 106.71 14.30 0.66 3.21
Cluster variables 4 27 10.71 8.00 407 5.92e+36 84.67 6.10 0.57 2.65
Separator constraints 0 34 12.32 11.00 468 0 None 9.27 0.75 3.05
Separator variables 0 21 8.50 7.00 323 0 None 4.80 0.56 2.58
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 0.12 None None None None None 2.48
Degree 1 8 4.20 4.00 168 1.97e+22 51.33 2.06 0.49 2.01
Eccentricity 3 5 4.42 4.00 177 4.72e+25 59.12 0.59 0.13 0.86
Triangulated primal graph
Density: 21.03%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.40 1.00 None 0.80 None None None None None 3.19
Degree 1 22 8.20 5.50 328 5.01e+29 68.39 6.53 0.80 2.63
Eccentricity 2 4 3.38 3.00 135 8.09e+20 48.14 0.53 0.16 0.78
Dual graph
Density: 10.15%
MCB compute time (ms): 52
MCB cycles: 278
Triangles: 497
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 0.53 0.50 44.84 0.00 -54.83 0.13 0.25 3.23
Degree 3 13 8.43 9.00 708 MAX VALUE 174.67 2.49 0.30 2.27
Eccentricity 4 5 4.25 4.00 357 MAX VALUE 121.14 0.43 0.10 0.56
MCB cycle size 3 6 3.18 3.00 884 MAX VALUE 318.75 0.52 0.16 0.48
Minimal dual graph
Density: 3.67%
MCB compute time (ms): 15
MCB cycles: 45
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.33 None 0.00 None None None None None 0.91
Degree 1 5 3.05 3.00 256 MAX VALUE 91.20 0.69 0.23 1.04
Eccentricity 6 9 7.52 7.00 632 MAX VALUE 169.18 0.68 0.09 1.03
MCB cycle size 3 10 6.84 7.00 308 1.15e+37 85.34 1.48 0.22 1.70
Triangulated dual graph
Density: 29.66%
Triangles: 7,909
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.55 1.00 0.79 0.76 66.32 0.00 -21.01 0.13 0.17 3.92
Degree 3 51 24.62 23.00 2,068 MAX VALUE 245.61 15.42 0.63 3.35
Eccentricity 2 4 3.15 3.00 265 MAX VALUE 95.55 0.48 0.15 0.68
Triangulated minimal dual graph
Density: 11.82%
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 3.02
Degree 1 29 9.81 5.00 824 MAX VALUE 155.22 9.20 0.94 2.66
Eccentricity 3 6 4.57 5.00 384 MAX VALUE 126.83 0.64 0.14 0.97
Incidence graph
Density: 2.20%
MCB compute time (ms): 23
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 0.92
Degree 1 8 2.71 2.00 336 MAX VALUE 109.56 1.56 0.58 1.12
Eccentricity 7 11 9.17 9.00 1,137 MAX VALUE 274.20 0.88 0.10 1.28
MCB cycle size 6 12 7.91 8.00 356 MAX VALUE 92.01 1.74 0.22 1.21