MAYBE UNSAT "/tmp/SMTS28171-5" (line 1, column 6): The smt problem could not be solved (was unsat). Parsed Typed Term Rewrite System: --------------------------------- (STRATEGY INNERMOST) (VAR "v4" "v2" "v3" "v1" "v6" "v8" "v12") (DATATYPES "bool" = < "True", "False" > "list" = µX.< "Nil", "Cons"("__ANY_TYPE__", X) > "nat" = µX.< "0", "S"(X) >) (SIGNATURES "sort#2" :: ["list"] --> "list" "cond_insert_ord_x_ys_1" :: ["bool" x "nat" x "nat" x "list"] --> "list" "insert#3" :: ["nat" x "list"] --> "list" "leq#2" :: ["nat" x "nat"] --> "bool" "main" :: ["list"] --> "list") (RULES "sort#2"("Nil"()) -> "Nil"() "sort#2"("Cons"("v4","v2")) -> "insert#3"("v4","sort#2"("v2")) "cond_insert_ord_x_ys_1"("True"(),"v3","v2","v1") -> "Cons"("v3","Cons"("v2","v1")) "cond_insert_ord_x_ys_1"("False"(),"v3","v2","v1") -> "Cons"("v2","insert#3"("v3","v1")) "insert#3"("v2","Nil"()) -> "Cons"("v2","Nil"()) "insert#3"("v6","Cons"("v4","v2")) -> "cond_insert_ord_x_ys_1"("leq#2"("v6","v4"),"v6","v4","v2") "leq#2"("0"(),"v8") -> "True"() "leq#2"("S"("v12"),"0"()) -> "False"() "leq#2"("S"("v4"),"S"("v2")) -> "leq#2"("v4","v2") "main"("v1") -> "sort#2"("v1")) MAYBE