** 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-logic ALL) ; has unbounded values, using catch-all.
[GOOD] ; --- uninterpreted sorts ---
[GOOD] ; --- tuples ---
[GOOD] ; --- sums ---
[GOOD] ; --- literal constants ---
[GOOD] ; --- top level inputs ---
[GOOD] (declare-fun s0 () Int)
[GOOD] ; --- constant tables ---
[GOOD] ; --- non-constant tables ---
[GOOD] ; --- arrays ---
[GOOD] ; --- uninterpreted constants ---
[GOOD] ; --- user defined functions ---
[GOOD] ; bar :: SInteger -> SInteger, foo :: SInteger -> SInteger
[GOOD] (define-funs-rec
         ((bar ((l2_s0 Int)) Int)
          (foo ((l1_s0 Int)) Int))
         (; Definition of: bar :: SInteger -> SInteger. [Refers to: foo]
          (let ((l2_s2 1))
          (let ((l2_s1 (foo l2_s0)))
          (let ((l2_s3 (+ l2_s1 l2_s2)))
          l2_s3)))
          ; Definition of: foo :: SInteger -> SInteger. [Refers to: bar]
          (let ((l1_s2 1))
          (let ((l1_s1 (bar l1_s0)))
          (let ((l1_s3 (+ l1_s1 l1_s2)))
          l1_s3)))))
[GOOD] ; --- assignments ---
[GOOD] (define-fun s1 () Int (foo s0))
[GOOD] (define-fun s2 () Int (bar s0))
[GOOD] (define-fun s3 () Int (+ s1 s2))
[GOOD] (define-fun s4 () Bool (= s0 s3))
[GOOD] ; --- arrayDelayeds ---
[GOOD] ; --- arraySetups ---
[GOOD] ; --- delayedEqualities ---
[GOOD] ; --- formula ---
[GOOD] (assert s4)
[GOOD] (declare-fun s5 () Int)
[GOOD] (define-fun s6 () Int (foo s5))
[GOOD] (define-fun s7 () Int (bar s5))
[GOOD] (define-fun s8 () Int (+ s6 s7))
[GOOD] (define-fun s9 () Bool (= s5 s8))
[GOOD] (assert s9)
[SEND] (check-sat)
[RECV] unsat
*** Solver   : Z3
*** Exit code: ExitSuccess

RESULT:
All good, expecting: Unsat