Instance: rand-2-40-180-84-900-90_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:15
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 5 36 17.91 18.00 535,261 MAX VALUE 85,430.30 4.02 0.22 2.81
Relational linkage 0.03 0.14 0.08 0.08 529.08 0.00 -17,657.00 0.02 0.21 2.46
Tightness 0.90 0.91 0.90 0.90 75.64 0.00 -8.81 0.00 0.00 4.24
Tuples 3,067 3,347 3,224.36 3,231.00 270,846 MAX VALUE 678.58 54.60 0.02 4.24
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 4.37 4.50 166 6.69e+22 52.56 1.75 0.40 1.84
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: 30
Number of leaves: 14
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 12 4.57 3.00 137 2.63e+16 37.81 3.24 0.71 2.06
Cluster variables 2 11 5.37 4.00 161 1.66e+20 46.56 2.81 0.52 1.96
Separator constraints 0 9 1.77 0.00 53 0 None 2.65 1.50 1.58
Separator variables 0 10 4.03 3.00 121 0 None 2.71 0.67 2.02
Dual tree decomposition
Number of clusters: 38
Number of leaves: 14
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 51 19.55 15.00 743 MAX VALUE 102.62 13.75 0.70 2.98
Cluster variables 3 28 10.45 9.00 397 1.96e+36 83.57 5.92 0.57 2.63
Separator constraints 0 31 10.66 8.00 405 0 None 8.63 0.81 2.73
Separator variables 0 20 8.24 7.50 313 0 None 4.65 0.56 2.54
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 0.67 None 0.07 None None None None None 2.01
Degree 1 8 4.20 4.00 168 6.69e+22 52.56 1.86 0.44 1.95
Eccentricity 4 6 4.47 4.00 179 7.73e+25 59.61 0.59 0.13 0.84
Triangulated primal graph
Density: 22.56%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.47 1.00 None 0.71 None None None None None 3.04
Degree 1 21 8.80 6.50 352 2.40e+31 72.25 6.63 0.75 2.66
Eccentricity 3 5 3.73 4.00 149 3.94e+22 52.03 0.63 0.17 0.94
Dual graph
Density: 9.70%
MCB compute time (ms): 49
MCB cycles: 259
Triangles: 438
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 42.54 0.00 None 0.12 0.23 2.96
Degree 2 13 8.05 8.00 676 MAX VALUE 170.04 2.57 0.32 2.30
Eccentricity 4 5 4.17 4.00 350 MAX VALUE 119.57 0.37 0.09 0.45
MCB cycle size 3 6 3.21 3.00 832 MAX VALUE 298.80 0.61 0.19 0.52
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 None 0.00 None None None None None 0.79
Degree 1 5 3.05 3.00 256 MAX VALUE 90.79 0.72 0.24 1.08
Eccentricity 6 8 7.08 7.00 595 MAX VALUE 164.08 0.66 0.09 0.98
MCB cycle size 4 10 6.89 7.00 310 1.74e+37 85.75 1.45 0.21 1.68
Triangulated dual graph
Density: 28.60%
Triangles: 7,286
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.56 1.00 0.78 0.77 65.65 0.00 -21.90 0.13 0.17 3.77
Degree 2 47 23.74 22.50 1,994 MAX VALUE 242.33 14.93 0.63 3.46
Eccentricity 2 4 3.07 3.00 258 MAX VALUE 93.30 0.46 0.15 0.66
Triangulated minimal dual graph
Density: 12.28%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.42 1.00 None 0.93 None None None None None 3.23
Degree 1 29 10.19 5.00 856 MAX VALUE 156.97 9.57 0.94 2.75
Eccentricity 3 5 3.81 4.00 320 MAX VALUE 111.39 0.57 0.15 0.85
Incidence graph
Density: 2.20%
MCB compute time (ms): 22
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 0.80
Degree 1 8 2.71 2.00 336 MAX VALUE 110.78 1.47 0.54 1.04
Eccentricity 8 12 9.14 9.00 1,133 MAX VALUE 273.76 0.89 0.10 1.22
MCB cycle size 6 12 8.00 8.00 360 MAX VALUE 92.48 1.79 0.22 1.24