** 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] (define-fun s2 () String "abc")
[GOOD] (define-fun s4 () String "cef")
[GOOD] (define-fun s8 () Int 2)
[GOOD] ; --- skolem constants ---
[GOOD] (declare-fun s0 () String) ; tracks user variable "a"
[GOOD] (declare-fun s1 () String) ; tracks user variable "b"
[GOOD] ; --- constant tables ---
[GOOD] ; --- skolemized tables ---
[GOOD] ; --- arrays ---
[GOOD] ; --- uninterpreted constants ---
[GOOD] ; --- user given axioms ---
[GOOD] ; --- formula ---
[GOOD] (define-fun s3 () String (str.++ s2 s0))
[GOOD] (define-fun s5 () String (str.++ s1 s4))
[GOOD] (define-fun s6 () Bool (= s3 s5))
[GOOD] (define-fun s7 () Int (str.len s0))
[GOOD] (define-fun s9 () Bool (<= s7 s8))
[GOOD] (assert s6)
[GOOD] (assert s9)
[SEND] (check-sat)
[RECV] sat
*** Solver   : Z3
*** Exit code: ExitSuccess