Instance: rand-2-40-180-84-900-89_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:14
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: 29,700
Number of unique subscopes: 37
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 18.04 18.00 535,789 MAX VALUE 85,133.30 4.03 0.22 2.81
Relational linkage 0.02 0.14 0.08 0.08 518.59 0.00 -17,146.90 0.02 0.20 2.47
Tightness 0.90 0.90 0.90 0.90 75.58 0.00 -8.87 0.00 0.00 4.26
Tuples 3,120 3,377 3,247.25 3,251.00 272,769 MAX VALUE 679.17 56.61 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 4.46 4.00 165 3.55e+22 51.92 1.87 0.42 1.86
Partitions per subscope 180 180 180.00 180.00 6,660 MAX VALUE 192.14 0.00 0.00 0.00
Tree decomposition
Number of clusters: 29
Number of leaves: 12
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 12 4.07 3.00 118 6.74e+14 34.14 2.73 0.67 2.11
Cluster variables 2 12 5.17 4.00 150 1.32e+19 44.03 2.67 0.52 2.04
Separator constraints 0 7 1.17 0.00 34 0 None 1.78 1.52 1.37
Separator variables 0 10 3.79 3.00 110 0 None 2.44 0.64 2.04
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 2 46 20.18 16.00 767 MAX VALUE 104.46 13.16 0.65 3.19
Cluster variables 3 28 10.63 9.00 404 3.54e+36 84.16 6.06 0.57 2.81
Separator constraints 0 33 10.97 9.00 417 0 None 8.25 0.75 2.93
Separator variables 0 20 8.42 7.50 320 0 None 4.73 0.56 2.69
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 0.00 None None None None None 2.15
Degree 1 9 4.20 4.00 168 3.55e+22 51.92 2.01 0.48 1.99
Eccentricity 3 5 4.05 4.00 162 1.37e+24 55.58 0.55 0.13 0.81
Triangulated primal graph
Density: 22.56%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.40 1.00 None 0.75 None None None None None 3.27
Degree 1 21 8.80 6.00 352 1.49e+31 71.78 6.73 0.77 2.65
Eccentricity 3 5 3.58 4.00 143 7.99e+21 50.43 0.59 0.16 0.86
Dual graph
Density: 10.04%
MCB compute time (ms): 42
MCB cycles: 290
Triangles: 494
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 0.51 0.49 42.98 0.00 None 0.14 0.27 3.00
Degree 2 15 8.33 8.00 700 MAX VALUE 172.69 2.78 0.33 2.40
Eccentricity 3 5 4.05 4.00 340 MAX VALUE 117.15 0.34 0.08 0.44
MCB cycle size 3 6 3.30 3.00 957 MAX VALUE 341.32 0.69 0.21 0.67
Minimal dual graph
Density: 3.67%
MCB compute time (ms): 14
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 0.93
Degree 1 4 3.05 3.00 256 MAX VALUE 91.21 0.65 0.21 0.96
Eccentricity 6 8 6.80 7.00 571 MAX VALUE 160.71 0.55 0.08 0.82
MCB cycle size 5 9 7.18 7.00 323 1.79e+38 88.08 1.14 0.16 1.47
Triangulated dual graph
Density: 29.58%
Triangles: 7,767
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.59 1.00 0.78 0.77 65.92 0.00 -21.44 0.13 0.16 3.93
Degree 2 46 24.55 22.50 2,062 MAX VALUE 245.09 15.30 0.62 3.31
Eccentricity 2 4 2.99 3.00 251 MAX VALUE 90.94 0.45 0.15 0.64
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 3.04
Degree 1 30 10.31 5.00 866 MAX VALUE 156.80 9.72 0.94 2.72
Eccentricity 3 6 4.42 4.00 371 MAX VALUE 123.88 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 0.81
Degree 1 9 2.71 2.00 336 MAX VALUE 110.15 1.54 0.57 1.07
Eccentricity 7 11 8.62 9.00 1,069 MAX VALUE 266.53 0.85 0.10 1.22
MCB cycle size 6 12 8.04 8.00 362 MAX VALUE 92.84 1.71 0.21 1.20