; EXPECT: unsat
; COMMAND-LINE: --lang=sygus2 --sygus-out=status
(set-logic SLIA)
(synth-fun f ((firstname String) (lastname String)) String
((ntString String) (ntInt Int) (ntBool Bool))

((ntString String (
firstname
lastname
" "
(str.++ ntString ntString)))

(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)))

))

(constraint (= (f "Nancy" "FreeHafer") "Nancy FreeHafer"))

(check-synth)