Instance: rand-2-40-180-84-900-15_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:13
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 5 38 18.05 18.00 535,976 MAX VALUE 85,147.00 4.01 0.22 2.81
Relational linkage 0.03 0.14 0.08 0.08 517.01 0.00 -17,162.80 0.02 0.20 2.45
Tightness 0.90 0.90 0.90 0.90 75.58 0.00 -8.87 0.00 0.00 4.21
Tuples 3,108 3,363 3,247.57 3,239.50 272,796 MAX VALUE 679.19 50.03 0.02 4.21
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 5.50e+22 52.36 1.79 0.40 1.89
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: 31
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 10 4.39 4.00 136 8.36e+16 38.96 2.73 0.62 2.02
Cluster variables 2 10 5.16 5.00 160 3.79e+20 47.38 2.41 0.47 2.09
Separator constraints 0 8 1.68 1.00 52 0 None 2.21 1.31 1.64
Separator variables 0 9 3.87 4.00 120 0 None 2.35 0.61 2.15
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 1 52 19.68 16.50 748 MAX VALUE 100.29 13.90 0.71 3.15
Cluster variables 2 27 10.39 9.00 395 5.29e+35 82.26 6.30 0.61 2.84
Separator constraints 0 27 10.61 9.00 403 0 None 8.37 0.79 2.87
Separator variables 0 21 8.18 7.50 311 0 None 5.00 0.61 2.74
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 0.10 None None None None None 2.36
Degree 1 9 4.20 4.00 168 5.50e+22 52.36 1.95 0.46 2.01
Eccentricity 4 6 4.75 5.00 190 7.96e+26 61.94 0.66 0.14 0.97
Triangulated primal graph
Density: 21.15%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 1.00 None 0.67 None None None None None 3.07
Degree 1 20 8.25 6.00 330 3.50e+30 70.33 6.33 0.77 2.64
Eccentricity 3 5 3.77 4.00 151 7.01e+22 52.60 0.61 0.16 0.91
Dual graph
Density: 9.90%
MCB compute time (ms): 44
MCB cycles: 276
Triangles: 480
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 None 0.49 None None None None None 3.28
Degree 1 15 8.21 8.00 690 MAX VALUE 170.21 2.78 0.34 2.39
Eccentricity 4 5 4.26 4.00 358 MAX VALUE 121.36 0.44 0.10 0.58
MCB cycle size 3 6 3.24 3.00 894 MAX VALUE 320.66 0.60 0.19 0.58
Minimal dual graph
Density: 3.67%
MCB compute time (ms): 11
MCB cycles: 45
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 1.00 None 0.00 None None None None None 0.38
Degree 1 4 3.05 3.00 256 MAX VALUE 91.14 0.69 0.23 1.03
Eccentricity 6 9 7.21 7.00 606 MAX VALUE 165.63 0.67 0.09 1.01
MCB cycle size 3 10 6.71 7.00 302 2.81e+36 83.93 1.72 0.26 1.88
Triangulated dual graph
Density: 29.15%
Triangles: 7,723
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.60 1.00 None 0.75 None None None None None 3.89
Degree 1 48 24.19 23.50 2,032 MAX VALUE 241.59 15.40 0.64 3.41
Eccentricity 3 5 3.31 3.00 278 MAX VALUE 99.63 0.51 0.15 0.68
Triangulated minimal dual graph
Density: 11.90%
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 3.07
Degree 1 30 9.88 5.00 830 MAX VALUE 155.06 9.29 0.94 2.69
Eccentricity 3 5 3.86 4.00 324 MAX VALUE 112.48 0.56 0.15 0.84
Incidence graph
Density: 2.20%
MCB compute time (ms): 17
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 0.53
Degree 1 9 2.71 2.00 336 MAX VALUE 110.59 1.51 0.56 1.15
Eccentricity 8 12 9.48 9.00 1,175 MAX VALUE 278.13 1.04 0.11 1.35
MCB cycle size 6 12 7.87 8.00 354 MAX VALUE 91.92 1.60 0.20 1.14