** Calling: z3 -nw -in -smt2
[GOOD] ; Automatically generated by SBV. Do not edit.
[GOOD] (set-option :print-success true)
[GOOD] (set-option :global-declarations true)
[GOOD] (set-option :smtlib2_compliant true)
[GOOD] (set-option :diagnostic-output-channel "stdout")
[GOOD] (set-option :produce-models true)
[GOOD] (set-option :pp.max_depth      4294967295)
[GOOD] (set-option :pp.min_alias_size 4294967295)
[GOOD] (set-option :model.inline_def  true      )
[GOOD] (set-logic ALL) ; has unbounded values, using catch-all.
[GOOD] ; --- uninterpreted sorts ---
[GOOD] ; --- tuples ---
[GOOD] (declare-datatypes ((SBVTuple2 2)) ((par (T1 T2)
                                           ((mkSBVTuple2 (proj_1_SBVTuple2 T1)
                                                         (proj_2_SBVTuple2 T2))))))
[GOOD] ; --- sums ---
[GOOD] ; --- literal constants ---
[GOOD] (define-fun s2 () Int 1)
[GOOD] ; --- skolem constants ---
[GOOD] (declare-fun s0 () (Seq (SBVTuple2 (SBVTuple2 String String) (Seq Int)))) ; tracks user variable "x"
[GOOD] (assert (forall ((seq0 Int)) (=> (and (>= seq0 0) (< seq0 (seq.len s0))) (and (= 1 (str.len (proj_1_SBVTuple2 (proj_1_SBVTuple2 (seq.nth s0 seq0))))) (= 1 (str.len (proj_2_SBVTuple2 (proj_1_SBVTuple2 (seq.nth s0 seq0)))))))))
[GOOD] ; --- constant tables ---
[GOOD] ; --- skolemized tables ---
[GOOD] ; --- arrays ---
[GOOD] ; --- uninterpreted constants ---
[GOOD] ; --- user given axioms ---
[GOOD] ; --- formula ---
[GOOD] (define-fun s1 () Int (seq.len s0))
[GOOD] (define-fun s3 () Bool (= s1 s2))
[GOOD] (assert s3)
[SEND] (check-sat)
[RECV] sat
[SEND] (get-value (s0))
[RECV] ((s0 (seq.unit (mkSBVTuple2 (mkSBVTuple2 "A" "A") (seq.unit 0)))))

MODEL: SMTModel {modelObjectives = [], modelBindings = Nothing, modelAssocs = [("x",[(('A','A'),[0])] :: [((Char, Char), [Integer])])], modelUIFuns = []}
DONE.*** Solver   : Z3
*** Exit code: ExitSuccess