Instance: rand-2-40-180-84-900-88_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 35 18.00 18.00 537,990 MAX VALUE 85,592.20 4.01 0.22 2.80
Relational linkage 0.02 0.15 0.08 0.08 532.45 0.00 -17,613.10 0.02 0.20 2.47
Tightness 0.90 0.90 0.90 0.90 75.60 0.00 -8.85 0.00 0.00 4.09
Tuples 3,113 3,352 3,240.83 3,243.00 272,230 MAX VALUE 679.01 51.49 0.02 4.09
Domain size 180 180 180.00 180.00 7,200 MAX VALUE 207.72 0.00 0.00 0.00
Constraints per subscope 2 10 4.37 4.00 166 6.66e+22 52.55 1.94 0.44 1.87
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: 16
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 11 4.06 3.00 126 5.11e+16 38.47 2.44 0.60 1.98
Cluster variables 2 10 5.10 4.00 158 4.33e+20 47.52 2.31 0.45 1.96
Separator constraints 0 9 1.35 0.00 42 0 None 2.19 1.62 1.41
Separator variables 0 9 3.81 3.00 118 0 None 2.23 0.59 2.02
Dual tree decomposition
Number of clusters: 38
Number of leaves: 15
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 69 20.03 13.00 761 MAX VALUE 103.94 15.78 0.79 2.91
Cluster variables 4 26 10.50 8.50 399 5.49e+36 84.60 5.54 0.53 2.65
Separator constraints 0 44 10.79 7.50 410 0 None 9.97 0.92 2.79
Separator variables 0 19 8.29 7.00 315 0 None 4.30 0.52 2.53
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 0.07 None None None None None 1.95
Degree 1 10 4.20 4.00 168 6.66e+22 52.55 2.03 0.48 1.98
Eccentricity 3 5 4.17 4.00 167 5.07e+24 56.88 0.49 0.12 0.72
Triangulated primal graph
Density: 20.90%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.37 1.00 None 0.69 None None None None None 2.85
Degree 1 21 8.15 5.00 326 2.09e+30 69.82 6.31 0.77 2.56
Eccentricity 3 5 3.65 4.00 146 1.89e+22 51.30 0.57 0.16 0.85
Dual graph
Density: 10.07%
MCB compute time (ms): 39
MCB cycles: 271
Triangles: 523
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 44.19 0.00 -55.66 0.12 0.22 3.21
Degree 3 17 8.36 8.00 702 MAX VALUE 173.04 2.92 0.35 2.38
Eccentricity 3 5 4.12 4.00 346 MAX VALUE 118.62 0.36 0.09 0.45
MCB cycle size 3 5 3.19 3.00 864 MAX VALUE 311.49 0.51 0.16 0.49
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 91.62 0.62 0.20 0.92
Eccentricity 6 8 6.65 7.00 559 MAX VALUE 158.90 0.57 0.09 0.84
MCB cycle size 4 9 7.20 7.00 324 2.00e+38 88.19 1.15 0.16 1.50
Triangulated dual graph
Density: 28.08%
Triangles: 6,813
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.53 1.00 0.78 0.74 65.51 0.00 -22.14 0.14 0.17 3.80
Degree 3 49 23.31 20.00 1,958 MAX VALUE 242.69 14.30 0.61 3.52
Eccentricity 2 4 2.98 3.00 250 MAX VALUE 90.65 0.44 0.15 0.62
Triangulated minimal dual graph
Density: 12.11%
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 2.83
Degree 1 30 10.05 5.00 844 MAX VALUE 157.17 9.29 0.92 2.78
Eccentricity 3 5 3.96 4.00 333 MAX VALUE 114.75 0.59 0.15 0.88
Incidence graph
Density: 2.20%
MCB compute time (ms): 21
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 0.89
Degree 1 10 2.71 2.00 336 MAX VALUE 110.78 1.54 0.57 1.09
Eccentricity 7 11 8.81 9.00 1,092 MAX VALUE 269.27 0.79 0.09 1.17
MCB cycle size 6 10 8.13 8.00 366 MAX VALUE 93.53 1.48 0.18 1.07