src/HOL/SMT/Examples/cert/z3_linarith_17

provide standard isabelle make targets;
slightly more accurate dependencies;

(benchmark Isabelle
:extrasorts ( T1)
:extrafuns (
  (uf_1 Real)
 )
:assumption (not (flet ($x1 (< (+ uf_1 uf_1) (+ (* 2.0 uf_1) 1.0))) (or $x1 (or false $x1))))
:formula true
)