YES Problem 1: (VAR v_NonEmpty:S X:S Y:S) (RULES f(0,1,X:S) -> h(X:S,X:S) g(X:S,Y:S) -> X:S g(X:S,Y:S) -> Y:S h(0,X:S) -> f(0,X:S,X:S) ) (STRATEGY INNERMOST) Problem 1: Dependency Pairs Processor: -> Pairs: F(0,1,X:S) -> H(X:S,X:S) H(0,X:S) -> F(0,X:S,X:S) -> Rules: f(0,1,X:S) -> h(X:S,X:S) g(X:S,Y:S) -> X:S g(X:S,Y:S) -> Y:S h(0,X:S) -> f(0,X:S,X:S) Problem 1: SCC Processor: -> Pairs: F(0,1,X:S) -> H(X:S,X:S) H(0,X:S) -> F(0,X:S,X:S) -> Rules: f(0,1,X:S) -> h(X:S,X:S) g(X:S,Y:S) -> X:S g(X:S,Y:S) -> Y:S h(0,X:S) -> f(0,X:S,X:S) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: F(0,1,X:S) -> H(X:S,X:S) H(0,X:S) -> F(0,X:S,X:S) ->->-> Rules: f(0,1,X:S) -> h(X:S,X:S) g(X:S,Y:S) -> X:S g(X:S,Y:S) -> Y:S h(0,X:S) -> f(0,X:S,X:S) Problem 1: Reduction Pair Processor: -> Pairs: F(0,1,X:S) -> H(X:S,X:S) H(0,X:S) -> F(0,X:S,X:S) -> Rules: f(0,1,X:S) -> h(X:S,X:S) g(X:S,Y:S) -> X:S g(X:S,Y:S) -> Y:S h(0,X:S) -> f(0,X:S,X:S) -> Usable rules: Empty ->Mace4 Output: ============================== Mace4 ================================= Mace4 (64) version 2009-11A, November 2009. Process 27553 was started by sandbox2 on n150.star.cs.uiowa.edu, Mon Jun 22 08:44:38 2020 The command was "./mace4 -c -f /tmp/mace41497983152038664370.in". ============================== end of head =========================== ============================== INPUT ================================= % Reading from file /tmp/mace41497983152038664370.in assign(max_seconds,20). formulas(assumptions). gtrsim_s0(x,y) & sqsupset_s0(y,z) -> sqsupset_s0(x,z) # label(compatibility). succeq_s0(x,y) & sqsupset_s0(y,z) -> sqsupset_s0(x,z) # label(compatibility). gtrsim_s0(x,y) & succeq_s0(y,z) -> gtrsim_s0(x,z) # label(compatibility). arrow_s0(x1,y) -> arrow_s0(f2(x1,x2,x3),f2(y,x2,x3)) # label(congruence). arrow_s0(x2,y) -> arrow_s0(f2(x1,x2,x3),f2(x1,y,x3)) # label(congruence). arrow_s0(x3,y) -> arrow_s0(f2(x1,x2,x3),f2(x1,x2,y)) # label(congruence). arrow_s0(x1,y) -> arrow_s0(f3(x1,x2),f3(y,x2)) # label(congruence). arrow_s0(x2,y) -> arrow_s0(f3(x1,x2),f3(x1,y)) # label(congruence). arrow_s0(x1,y) -> arrow_s0(f4(x1,x2),f4(y,x2)) # label(congruence). arrow_s0(x2,y) -> arrow_s0(f4(x1,x2),f4(x1,y)) # label(congruence). arrow_s0(x1,y) -> arrow_s0(f9(x1,x2,x3),f9(y,x2,x3)) # label(congruence). arrow_s0(x2,y) -> arrow_s0(f9(x1,x2,x3),f9(x1,y,x3)) # label(congruence). arrow_s0(x3,y) -> arrow_s0(f9(x1,x2,x3),f9(x1,x2,y)) # label(congruence). arrow_s0(x1,y) -> arrow_s0(f10(x1,x2),f10(y,x2)) # label(congruence). arrow_s0(x2,y) -> arrow_s0(f10(x1,x2),f10(x1,y)) # label(congruence). arrow_s0(x,y) -> gtrsim_s0(x,y) # label(inclusion). sqsupset_s0(f9(f5,f6,x1),f10(x1,x1)) # label(replacement). succeq_s0(f10(f5,x1),f9(f5,x1,x1)) # label(replacement). sqsupset_s0(x,y) -> sqsupsetStar_s0(x,y) # label(inclusion). sqsupset_s0(x,y) & sqsupsetStar_s0(y,z) -> sqsupsetStar_s0(x,z) # label(compatibility). end_of_list. formulas(goals). (exists x sqsupsetStar_s0(x,x)) # label(wellfoundedness). end_of_list. ============================== end of input ========================== ============================== PROCESS NON-CLAUSAL FORMULAS ========== % Formulas that are not ordinary clauses: 1 gtrsim_s0(x,y) & sqsupset_s0(y,z) -> sqsupset_s0(x,z) # label(compatibility) # label(non_clause). [assumption]. 2 succeq_s0(x,y) & sqsupset_s0(y,z) -> sqsupset_s0(x,z) # label(compatibility) # label(non_clause). [assumption]. 3 gtrsim_s0(x,y) & succeq_s0(y,z) -> gtrsim_s0(x,z) # label(compatibility) # label(non_clause). [assumption]. 4 arrow_s0(x1,y) -> arrow_s0(f2(x1,x2,x3),f2(y,x2,x3)) # label(congruence) # label(non_clause). [assumption]. 5 arrow_s0(x2,y) -> arrow_s0(f2(x1,x2,x3),f2(x1,y,x3)) # label(congruence) # label(non_clause). [assumption]. 6 arrow_s0(x3,y) -> arrow_s0(f2(x1,x2,x3),f2(x1,x2,y)) # label(congruence) # label(non_clause). [assumption]. 7 arrow_s0(x1,y) -> arrow_s0(f3(x1,x2),f3(y,x2)) # label(congruence) # label(non_clause). [assumption]. 8 arrow_s0(x2,y) -> arrow_s0(f3(x1,x2),f3(x1,y)) # label(congruence) # label(non_clause). [assumption]. 9 arrow_s0(x1,y) -> arrow_s0(f4(x1,x2),f4(y,x2)) # label(congruence) # label(non_clause). [assumption]. 10 arrow_s0(x2,y) -> arrow_s0(f4(x1,x2),f4(x1,y)) # label(congruence) # label(non_clause). [assumption]. 11 arrow_s0(x1,y) -> arrow_s0(f9(x1,x2,x3),f9(y,x2,x3)) # label(congruence) # label(non_clause). [assumption]. 12 arrow_s0(x2,y) -> arrow_s0(f9(x1,x2,x3),f9(x1,y,x3)) # label(congruence) # label(non_clause). [assumption]. 13 arrow_s0(x3,y) -> arrow_s0(f9(x1,x2,x3),f9(x1,x2,y)) # label(congruence) # label(non_clause). [assumption]. 14 arrow_s0(x1,y) -> arrow_s0(f10(x1,x2),f10(y,x2)) # label(congruence) # label(non_clause). [assumption]. 15 arrow_s0(x2,y) -> arrow_s0(f10(x1,x2),f10(x1,y)) # label(congruence) # label(non_clause). [assumption]. 16 arrow_s0(x,y) -> gtrsim_s0(x,y) # label(inclusion) # label(non_clause). [assumption]. 17 sqsupset_s0(x,y) -> sqsupsetStar_s0(x,y) # label(inclusion) # label(non_clause). [assumption]. 18 sqsupset_s0(x,y) & sqsupsetStar_s0(y,z) -> sqsupsetStar_s0(x,z) # label(compatibility) # label(non_clause). [assumption]. 19 (exists x sqsupsetStar_s0(x,x)) # label(wellfoundedness) # label(non_clause) # label(goal). [goal]. ============================== end of process non-clausal formulas === ============================== CLAUSES FOR SEARCH ==================== formulas(mace4_clauses). -gtrsim_s0(x,y) | -sqsupset_s0(y,z) | sqsupset_s0(x,z) # label(compatibility). -succeq_s0(x,y) | -sqsupset_s0(y,z) | sqsupset_s0(x,z) # label(compatibility). -gtrsim_s0(x,y) | -succeq_s0(y,z) | gtrsim_s0(x,z) # label(compatibility). -arrow_s0(x,y) | arrow_s0(f2(x,z,u),f2(y,z,u)) # label(congruence). -arrow_s0(x,y) | arrow_s0(f2(z,x,u),f2(z,y,u)) # label(congruence). -arrow_s0(x,y) | arrow_s0(f2(z,u,x),f2(z,u,y)) # label(congruence). -arrow_s0(x,y) | arrow_s0(f3(x,z),f3(y,z)) # label(congruence). -arrow_s0(x,y) | arrow_s0(f3(z,x),f3(z,y)) # label(congruence). -arrow_s0(x,y) | arrow_s0(f4(x,z),f4(y,z)) # label(congruence). -arrow_s0(x,y) | arrow_s0(f4(z,x),f4(z,y)) # label(congruence). -arrow_s0(x,y) | arrow_s0(f9(x,z,u),f9(y,z,u)) # label(congruence). -arrow_s0(x,y) | arrow_s0(f9(z,x,u),f9(z,y,u)) # label(congruence). -arrow_s0(x,y) | arrow_s0(f9(z,u,x),f9(z,u,y)) # label(congruence). -arrow_s0(x,y) | arrow_s0(f10(x,z),f10(y,z)) # label(congruence). -arrow_s0(x,y) | arrow_s0(f10(z,x),f10(z,y)) # label(congruence). -arrow_s0(x,y) | gtrsim_s0(x,y) # label(inclusion). sqsupset_s0(f9(f5,f6,x),f10(x,x)) # label(replacement). succeq_s0(f10(f5,x),f9(f5,x,x)) # label(replacement). -sqsupset_s0(x,y) | sqsupsetStar_s0(x,y) # label(inclusion). -sqsupset_s0(x,y) | -sqsupsetStar_s0(y,z) | sqsupsetStar_s0(x,z) # label(compatibility). -sqsupsetStar_s0(x,x) # label(wellfoundedness). end_of_list. ============================== end of clauses for search ============= % There are no natural numbers in the input. ============================== DOMAIN SIZE 2 ========================= ============================== MODEL ================================= interpretation( 2, [number=1, seconds=0], [ function(f5, [ 0 ]), function(f6, [ 1 ]), function(f10(_,_), [ 0, 1, 0, 0 ]), function(f3(_,_), [ 0, 0, 0, 0 ]), function(f4(_,_), [ 0, 0, 0, 0 ]), function(f2(_,_,_), [ 0, 0, 0, 0, 0, 0, 0, 0 ]), function(f9(_,_,_), [ 0, 0, 1, 1, 0, 0, 0, 0 ]), relation(arrow_s0(_,_), [ 0, 0, 0, 0 ]), relation(gtrsim_s0(_,_), [ 0, 0, 0, 0 ]), relation(sqsupsetStar_s0(_,_), [ 0, 0, 1, 0 ]), relation(sqsupset_s0(_,_), [ 0, 0, 1, 0 ]), relation(succeq_s0(_,_), [ 1, 0, 0, 1 ]) ]). ============================== end of model ========================== ============================== STATISTICS ============================ For domain size 2. Current CPU time: 0.00 seconds (total CPU time: 0.00 seconds). Ground clauses: seen=190, kept=190. Selections=33, assignments=36, propagations=28, current_models=1. Rewrite_terms=377, rewrite_bools=327, indexes=44. Rules_from_neg_clauses=7, cross_offs=7. ============================== end of statistics ===================== User_CPU=0.00, System_CPU=0.01, Wall_clock=0. Exiting with 1 model. Process 27553 exit (max_models) Mon Jun 22 08:44:38 2020 The process finished Mon Jun 22 08:44:38 2020 Mace4 cooked interpretation: % number = 1 % seconds = 0 % Interpretation of size 2 f5 = 0. f6 = 1. f10(0,0) = 0. f10(0,1) = 1. f10(1,0) = 0. f10(1,1) = 0. f3(0,0) = 0. f3(0,1) = 0. f3(1,0) = 0. f3(1,1) = 0. f4(0,0) = 0. f4(0,1) = 0. f4(1,0) = 0. f4(1,1) = 0. f2(0,0,0) = 0. f2(0,0,1) = 0. f2(0,1,0) = 0. f2(0,1,1) = 0. f2(1,0,0) = 0. f2(1,0,1) = 0. f2(1,1,0) = 0. f2(1,1,1) = 0. f9(0,0,0) = 0. f9(0,0,1) = 0. f9(0,1,0) = 1. f9(0,1,1) = 1. f9(1,0,0) = 0. f9(1,0,1) = 0. f9(1,1,0) = 0. f9(1,1,1) = 0. - arrow_s0(0,0). - arrow_s0(0,1). - arrow_s0(1,0). - arrow_s0(1,1). - gtrsim_s0(0,0). - gtrsim_s0(0,1). - gtrsim_s0(1,0). - gtrsim_s0(1,1). - sqsupsetStar_s0(0,0). - sqsupsetStar_s0(0,1). sqsupsetStar_s0(1,0). - sqsupsetStar_s0(1,1). - sqsupset_s0(0,0). - sqsupset_s0(0,1). sqsupset_s0(1,0). - sqsupset_s0(1,1). succeq_s0(0,0). - succeq_s0(0,1). - succeq_s0(1,0). succeq_s0(1,1). Problem 1: SCC Processor: -> Pairs: H(0,X:S) -> F(0,X:S,X:S) -> Rules: f(0,1,X:S) -> h(X:S,X:S) g(X:S,Y:S) -> X:S g(X:S,Y:S) -> Y:S h(0,X:S) -> f(0,X:S,X:S) ->Strongly Connected Components: There is no strongly connected component The problem is finite.