Instance: rand-2-40-180-84-900-78_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:19
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 33 17.97 18.00 530,474 MAX VALUE 84,486.20 4.04 0.22 2.81
Relational linkage 0.02 0.14 0.08 0.08 494.64 0.00 -16,806.40 0.02 0.20 2.42
Tightness 0.90 0.90 0.90 0.90 75.61 0.00 -8.83 0.00 0.00 4.15
Tuples 3,115 3,387 3,234.54 3,234.00 271,701 MAX VALUE 678.84 58.05 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 4.50 164 8.09e+22 52.75 1.38 0.30 1.70
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: 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 8 3.90 4.00 117 4.37e+15 36.01 1.96 0.50 1.96
Cluster variables 2 11 5.87 5.00 176 1.74e+21 48.91 2.95 0.50 2.19
Separator constraints 0 4 1.10 0.50 33 0 None 1.40 1.27 1.30
Separator variables 0 10 4.53 4.00 136 0 None 2.92 0.64 2.27
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 3 37 17.58 15.00 668 MAX VALUE 104.18 8.12 0.46 2.85
Cluster variables 3 25 10.58 9.00 402 1.07e+37 85.26 5.35 0.51 2.52
Separator constraints 0 21 9.00 10.00 342 0 None 4.81 0.53 2.54
Separator variables 0 20 8.37 8.00 318 0 None 4.20 0.50 2.52
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 0.07 None None None None None 2.13
Degree 1 8 4.20 4.00 168 8.09e+22 52.75 1.69 0.40 1.86
Eccentricity 3 6 4.45 4.00 178 5.80e+25 59.32 0.63 0.14 0.94
Triangulated primal graph
Density: 24.49%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 None 0.78 None None None None None 3.25
Degree 1 25 9.55 7.00 382 2.86e+32 74.73 7.19 0.75 2.71
Eccentricity 3 5 3.55 3.50 142 5.99e+21 50.14 0.59 0.17 0.86
Dual graph
Density: 9.35%
MCB compute time (ms): 45
MCB cycles: 250
Triangles: 384
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 41.96 0.00 -60.26 0.13 0.25 2.81
Degree 2 12 7.76 8.00 652 MAX VALUE 168.99 1.96 0.25 2.03
Eccentricity 3 5 4.05 4.00 340 MAX VALUE 117.15 0.34 0.08 0.44
MCB cycle size 3 6 3.26 3.00 815 MAX VALUE 291.83 0.62 0.19 0.59
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 0.00 None 0.00 None None None None None 0.46
Degree 1 4 3.05 3.00 256 MAX VALUE 91.33 0.63 0.21 0.92
Eccentricity 5 9 6.94 7.00 583 MAX VALUE 162.30 0.71 0.10 1.03
MCB cycle size 4 9 7.13 7.00 321 1.04e+38 87.54 1.31 0.18 1.53
Triangulated dual graph
Density: 27.60%
Triangles: 6,555
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.52 1.00 0.78 0.75 65.51 0.00 -22.17 0.14 0.18 3.87
Degree 2 46 22.90 20.00 1,924 MAX VALUE 241.59 14.28 0.62 3.37
Eccentricity 2 3 2.70 3.00 227 4.74e+35 82.15 0.46 0.17 0.61
Triangulated minimal dual graph
Density: 12.42%
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 2.92
Degree 1 32 10.31 5.00 866 MAX VALUE 157.75 9.71 0.94 2.72
Eccentricity 3 6 4.08 4.00 343 MAX VALUE 117.09 0.66 0.16 0.98
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 1.12
Degree 1 8 2.71 2.00 336 MAX VALUE 110.97 1.41 0.52 1.12
Eccentricity 7 12 9.04 9.00 1,121 MAX VALUE 272.42 0.89 0.10 1.21
MCB cycle size 6 10 8.27 8.00 372 MAX VALUE 94.27 1.50 0.18 1.07