(set-logic SLIA) (synth-fun f ((firstname String) (lastname String)) String ((Start String (ntString)) (ntString String (firstname lastname " " "." (str.++ ntString ntString) (str.replace ntString ntString ntString) (str.at ntString ntInt) (int.to.str ntInt) (str.substr ntString ntInt ntInt))) (ntInt Int (0 1 2 (+ ntInt ntInt) (- ntInt ntInt) (str.len ntString) (str.to.int ntString) (str.indexof ntString ntString ntInt))) (ntBool Bool (true false (str.prefixof ntString ntString) (str.suffixof ntString ntString) (str.contains ntString ntString))))) (declare-var firstname String) (declare-var lastname String) (constraint (= (f "Launa" "Withers") "L. Withers")) (constraint (= (f "Lakenya" "Edison") "L. Edison")) (constraint (= (f "Brendan" "Hage") "B. Hage")) (constraint (= (f "Bradford" "Lango") "B. Lango")) (constraint (= (f "Rudolf" "Akiyama") "R. Akiyama")) (constraint (= (f "Lara" "Constable") "L. Constable")) (check-synth)