20.024/20.024 NO 20.024/20.024 20.024/20.024 Problem 1: 20.024/20.024 20.024/20.024 20.024/20.024 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 20.024/20.024 Confluence Problem: 20.024/20.024 (VAR vNonEmpty x y) 20.024/20.024 (REPLACEMENT-MAP 20.024/20.024 (a) 20.024/20.024 (f 1) 20.024/20.024 (g 1) 20.024/20.024 (b) 20.024/20.024 (c 1, 2) 20.024/20.024 (fSNonEmpty) 20.024/20.024 (h 1) 20.024/20.024 ) 20.024/20.024 (RULES 20.024/20.024 a -> b 20.024/20.024 f(x) -> c(x,y) | g(x) ->* y, y ->* h(x) 20.024/20.024 g(a) -> h(b) 20.024/20.024 ) 20.024/20.024 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 20.024/20.024 20.024/20.024 20.024/20.024 Problem 1: 20.024/20.024 20.024/20.024 Inlining of Conditions Processor [STERN17]: 20.024/20.024 20.024/20.024 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 20.024/20.024 Confluence Problem: 20.024/20.024 (VAR vNonEmpty x y) 20.024/20.024 (REPLACEMENT-MAP 20.024/20.024 (a) 20.024/20.024 (f 1) 20.024/20.024 (g 1) 20.024/20.024 (b) 20.024/20.024 (c 1, 2) 20.024/20.024 (fSNonEmpty) 20.024/20.024 (h 1) 20.024/20.024 ) 20.024/20.024 (RULES 20.024/20.024 a -> b 20.024/20.024 f(x) -> c(x,g(x)) | g(x) ->* h(x) 20.024/20.024 g(a) -> h(b) 20.024/20.024 ) 20.024/20.024 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 20.024/20.024 20.024/20.024 20.024/20.024 Problem 1: 20.024/20.024 20.024/20.024 Clean CTRS Processor: 20.024/20.024 20.024/20.024 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 20.024/20.024 Confluence Problem: 20.024/20.024 (REPLACEMENT-MAP 20.024/20.024 (a) 20.024/20.024 (f 1) 20.024/20.024 (g 1) 20.024/20.024 (b) 20.024/20.024 (c 1, 2) 20.024/20.024 (fSNonEmpty) 20.024/20.024 (h 1) 20.024/20.024 ) 20.024/20.024 (RULES 20.024/20.024 a -> b 20.024/20.024 g(a) -> h(b) 20.024/20.024 ) 20.024/20.024 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 20.024/20.024 20.024/20.024 CRule InfChecker Info: 20.024/20.024 a -> b 20.024/20.024 Rule remains 20.024/20.024 Proof: 20.024/20.024 NO_CONDS 20.024/20.024 20.024/20.024 CRule InfChecker Info: 20.024/20.024 f(x) -> c(x,g(x)) | g(x) ->* h(x) 20.024/20.024 Rule deleted 20.024/20.024 Proof: 20.024/20.024 YES 20.024/20.024 20.024/20.024 Problem 1: 20.024/20.024 20.024/20.024 Infeasibility Problem: 20.024/20.024 [(VAR vNonEmpty x y vNonEmpty x) 20.024/20.024 (STRATEGY CONTEXTSENSITIVE 20.024/20.024 (a) 20.024/20.024 (f 1) 20.024/20.024 (g 1) 20.024/20.024 (b) 20.024/20.024 (c 1 2) 20.024/20.024 (fSNonEmpty) 20.024/20.024 (h 1) 20.024/20.024 ) 20.024/20.024 (RULES 20.024/20.024 a -> b 20.024/20.024 f(x) -> c(x,g(x)) | g(x) ->* h(x) 20.024/20.024 g(a) -> h(b) 20.024/20.024 )] 20.024/20.024 20.024/20.024 Infeasibility Conditions: 20.024/20.024 g(x) ->* h(x) 20.024/20.024 20.024/20.024 Problem 1: 20.024/20.024 20.024/20.024 Obtaining a model using Mace4: 20.024/20.024 20.024/20.024 -> Usable Rules: 20.024/20.024 a -> b 20.024/20.024 f(x) -> c(x,g(x)) | g(x) ->* h(x) 20.024/20.024 g(a) -> h(b) 20.024/20.024 20.024/20.024 -> Mace4 Output: 20.024/20.024 ============================== Mace4 ================================= 20.024/20.024 Mace4 (64) version 2009-11A, November 2009. 20.024/20.024 Process 12273 was started by ubuntu on ubuntu, 20.024/20.024 Wed Mar 9 09:19:23 2022 20.024/20.024 The command was "./mace4 -c -f /tmp/mace412260-2.in". 20.024/20.024 ============================== end of head =========================== 20.024/20.024 20.024/20.024 ============================== INPUT ================================= 20.024/20.024 20.024/20.024 % Reading from file /tmp/mace412260-2.in 20.024/20.024 20.024/20.024 assign(max_seconds,20). 20.024/20.024 20.024/20.024 formulas(assumptions). 20.024/20.024 ->(x1,y) -> ->(f(x1),f(y)) # label(congruence). 20.024/20.024 ->(x1,y) -> ->(g(x1),g(y)) # label(congruence). 20.024/20.024 ->(x1,y) -> ->(c(x1,x2),c(y,x2)) # label(congruence). 20.024/20.024 ->(x2,y) -> ->(c(x1,x2),c(x1,y)) # label(congruence). 20.024/20.024 ->(x1,y) -> ->(h(x1),h(y)) # label(congruence). 20.024/20.024 ->(a,b) # label(replacement). 20.024/20.024 ->*(g(x1),h(x1)) -> ->(f(x1),c(x1,g(x1))) # label(replacement). 20.024/20.024 ->(g(a),h(b)) # label(replacement). 20.024/20.024 ->*(x,x) # label(reflexivity). 20.024/20.024 ->(x,y) & ->*(y,z) -> ->*(x,z) # label(transitivity). 20.024/20.024 end_of_list. 20.024/20.024 20.024/20.024 formulas(goals). 20.024/20.024 (exists x4 ->*(g(x4),h(x4))) # label(goal). 20.024/20.024 end_of_list. 20.024/20.024 20.024/20.024 ============================== end of input ========================== 20.024/20.024 20.024/20.024 ============================== PROCESS NON-CLAUSAL FORMULAS ========== 20.024/20.024 20.024/20.024 % Formulas that are not ordinary clauses: 20.024/20.024 1 ->(x1,y) -> ->(f(x1),f(y)) # label(congruence) # label(non_clause). [assumption]. 20.024/20.024 2 ->(x1,y) -> ->(g(x1),g(y)) # label(congruence) # label(non_clause). [assumption]. 20.024/20.024 3 ->(x1,y) -> ->(c(x1,x2),c(y,x2)) # label(congruence) # label(non_clause). [assumption]. 20.024/20.024 4 ->(x2,y) -> ->(c(x1,x2),c(x1,y)) # label(congruence) # label(non_clause). [assumption]. 20.024/20.024 5 ->(x1,y) -> ->(h(x1),h(y)) # label(congruence) # label(non_clause). [assumption]. 20.024/20.024 6 ->*(g(x1),h(x1)) -> ->(f(x1),c(x1,g(x1))) # label(replacement) # label(non_clause). [assumption]. 20.024/20.024 7 ->(x,y) & ->*(y,z) -> ->*(x,z) # label(transitivity) # label(non_clause). [assumption]. 20.024/20.024 8 (exists x4 ->*(g(x4),h(x4))) # label(goal) # label(non_clause) # label(goal). [goal]. 20.024/20.024 20.024/20.024 ============================== end of process non-clausal formulas === 20.024/20.024 20.024/20.024 ============================== CLAUSES FOR SEARCH ==================== 20.024/20.024 20.024/20.024 formulas(mace4_clauses). 20.024/20.024 -->(x,y) | ->(f(x),f(y)) # label(congruence). 20.024/20.024 -->(x,y) | ->(g(x),g(y)) # label(congruence). 20.024/20.024 -->(x,y) | ->(c(x,z),c(y,z)) # label(congruence). 20.024/20.024 -->(x,y) | ->(c(z,x),c(z,y)) # label(congruence). 20.024/20.024 -->(x,y) | ->(h(x),h(y)) # label(congruence). 20.024/20.024 ->(a,b) # label(replacement). 20.024/20.024 -->*(g(x),h(x)) | ->(f(x),c(x,g(x))) # label(replacement). 20.024/20.024 ->(g(a),h(b)) # label(replacement). 20.024/20.024 ->*(x,x) # label(reflexivity). 20.024/20.024 -->(x,y) | -->*(y,z) | ->*(x,z) # label(transitivity). 20.024/20.024 -->*(g(x),h(x)) # label(goal). 20.024/20.024 end_of_list. 20.024/20.024 20.024/20.024 ============================== end of clauses for search ============= 20.024/20.024 20.024/20.024 % There are no natural numbers in the input. 20.024/20.024 20.024/20.024 ============================== DOMAIN SIZE 2 ========================= 20.024/20.024 20.024/20.024 ============================== STATISTICS ============================ 20.024/20.024 20.024/20.024 For domain size 2. 20.024/20.024 20.024/20.024 Current CPU time: 0.00 seconds (total CPU time: 0.00 seconds). 20.024/20.024 Ground clauses: seen=44, kept=40. 20.024/20.024 Selections=8, assignments=15, propagations=35, current_models=0. 20.024/20.024 Rewrite_terms=149, rewrite_bools=113, indexes=38. 20.024/20.024 Rules_from_neg_clauses=13, cross_offs=13. 20.024/20.024 20.024/20.024 ============================== end of statistics ===================== 20.024/20.024 20.024/20.024 ============================== DOMAIN SIZE 3 ========================= 20.024/20.024 20.024/20.024 ============================== MODEL ================================= 20.024/20.024 20.024/20.024 interpretation( 3, [number=1, seconds=0], [ 20.024/20.024 20.024/20.024 function(a, [ 0 ]), 20.024/20.024 20.024/20.024 function(b, [ 1 ]), 20.024/20.024 20.024/20.024 function(f(_), [ 0, 0, 0 ]), 20.024/20.024 20.024/20.024 function(g(_), [ 0, 1, 0 ]), 20.024/20.024 20.024/20.024 function(h(_), [ 2, 0, 2 ]), 20.024/20.024 20.024/20.024 function(c(_,_), [ 20.024/20.024 0, 0, 0, 20.024/20.024 0, 0, 0, 20.024/20.024 0, 0, 0 ]), 20.024/20.024 20.024/20.024 relation(->*(_,_), [ 20.024/20.024 1, 1, 0, 20.024/20.024 0, 1, 0, 20.024/20.024 1, 1, 1 ]), 20.024/20.024 20.024/20.024 relation(->(_,_), [ 20.024/20.024 1, 1, 0, 20.024/20.024 0, 0, 0, 20.024/20.024 1, 0, 1 ]) 20.024/20.024 ]). 20.024/20.024 20.024/20.024 ============================== end of model ========================== 20.024/20.024 20.024/20.024 ============================== STATISTICS ============================ 20.024/20.024 20.024/20.024 For domain size 3. 20.024/20.024 20.024/20.024 Current CPU time: 0.00 seconds (total CPU time: 0.00 seconds). 20.024/20.024 Ground clauses: seen=119, kept=110. 20.024/20.024 Selections=24, assignments=39, propagations=49, current_models=1. 20.024/20.024 Rewrite_terms=355, rewrite_bools=323, indexes=50. 20.024/20.024 Rules_from_neg_clauses=7, cross_offs=27. 20.024/20.024 20.024/20.024 ============================== end of statistics ===================== 20.024/20.024 20.024/20.024 User_CPU=0.00, System_CPU=0.00, Wall_clock=0. 20.024/20.024 20.024/20.024 Exiting with 1 model. 20.024/20.024 20.024/20.024 Process 12273 exit (max_models) Wed Mar 9 09:19:23 2022 20.024/20.024 The process finished Wed Mar 9 09:19:23 2022 20.024/20.024 20.024/20.024 20.024/20.024 Mace4 cooked interpretation: 20.024/20.024 20.024/20.024 20.024/20.024 20.024/20.024 The problem is infeasible. 20.024/20.024 20.024/20.024 20.024/20.024 CRule InfChecker Info: 20.024/20.024 g(a) -> h(b) 20.024/20.024 Rule remains 20.024/20.024 Proof: 20.024/20.024 NO_CONDS 20.024/20.024 20.024/20.024 Problem 1: 20.024/20.024 20.024/20.024 Transform No Conds CTRS Processor: 20.024/20.024 20.024/20.024 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 20.024/20.024 Confluence Problem: 20.024/20.024 (REPLACEMENT-MAP 20.024/20.024 (a) 20.024/20.024 (f 1) 20.024/20.024 (g 1) 20.024/20.024 (b) 20.024/20.024 (c 1, 2) 20.024/20.024 (fSNonEmpty) 20.024/20.024 (h 1) 20.024/20.024 ) 20.024/20.024 (RULES 20.024/20.024 a -> b 20.024/20.024 g(a) -> h(b) 20.024/20.024 ) 20.024/20.024 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 20.024/20.024 Resulting R: 20.024/20.024 (STRATEGY CONTEXTSENSITIVE 20.024/20.024 (a) 20.024/20.024 (f 1) 20.024/20.024 (g 1) 20.024/20.024 (b) 20.024/20.024 (c 1 2) 20.024/20.024 (fSNonEmpty) 20.024/20.024 (h 1) 20.024/20.024 ) 20.024/20.024 (RULES 20.024/20.024 a -> b 20.024/20.024 g(a) -> h(b) 20.024/20.024 ) 20.024/20.024 20.024/20.024 Problem 1: 20.024/20.024 20.024/20.024 CleanTRS Processor: 20.024/20.024 20.024/20.024 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 20.024/20.024 Confluence Problem: 20.024/20.024 (REPLACEMENT-MAP 20.024/20.024 (a) 20.024/20.024 (f 1) 20.024/20.024 (g 1) 20.024/20.024 (b) 20.024/20.024 (c 1, 2) 20.024/20.024 (fSNonEmpty) 20.024/20.024 (h 1) 20.024/20.024 ) 20.024/20.024 (RULES 20.024/20.024 a -> b 20.024/20.024 g(a) -> h(b) 20.024/20.024 ) 20.024/20.024 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 20.024/20.024 20.024/20.024 20.024/20.024 Problem 1: 20.024/20.024 20.024/20.024 Modular Confluence Combinations Decomposition Processor: 20.024/20.024 20.024/20.024 No usable combinations 20.024/20.024 20.024/20.024 Problem 1: 20.024/20.024 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 20.024/20.024 Confluence Problem: 20.024/20.024 (REPLACEMENT-MAP 20.024/20.024 (a) 20.024/20.024 (f 1) 20.024/20.024 (g 1) 20.024/20.024 (b) 20.024/20.024 (c 1, 2) 20.024/20.024 (fSNonEmpty) 20.024/20.024 (h 1) 20.024/20.024 ) 20.024/20.024 (RULES 20.024/20.024 a -> b 20.024/20.024 g(a) -> h(b) 20.024/20.024 ) 20.024/20.024 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 20.024/20.024 20.024/20.024 Huet Levy Processor: 20.024/20.024 -> Rules: 20.024/20.024 a -> b 20.024/20.024 g(a) -> h(b) 20.024/20.024 -> Vars: 20.024/20.024 20.024/20.024 20.024/20.024 -> Rlps: 20.024/20.024 (rule: a -> b, id: 1, possubterms: a->[]) 20.024/20.024 (rule: g(a) -> h(b), id: 2, possubterms: g(a)->[], a->[1]) 20.024/20.024 20.024/20.024 -> Unifications: 20.024/20.024 (R2 unifies with R1 at p: [1], l: g(a), lp: a, sig: {}, l': a, r: h(b), r': b) 20.024/20.024 20.024/20.024 -> Critical pairs info: 20.024/20.024 => Not trivial, Not overlay, NW0, N1 20.024/20.024 20.024/20.024 -> Problem conclusions: 20.024/20.024 Left linear, Right linear, Linear 20.024/20.024 Not weakly orthogonal, Not almost orthogonal, Not orthogonal 20.024/20.024 Not Huet-Levy confluent, Not Newman confluent 20.024/20.024 R is a TRS 20.024/20.024 20.024/20.024 20.024/20.024 Problem 1: 20.024/20.024 Different Normal CP Terms Processor: 20.024/20.024 => Not trivial, Not overlay, NW0, N1, Normal and not trivial cp 20.024/20.024 20.024/20.024 The problem is not joinable. 20.024/20.024 19.45user 0.86system 0:20.24elapsed 100%CPU (0avgtext+0avgdata 62112maxresident)k 20.024/20.024 8inputs+0outputs (0major+29323minor)pagefaults 0swaps