** 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) [GOOD] ; --- uninterpreted sorts --- [GOOD] ; --- tuples --- [GOOD] ; --- sums --- [GOOD] ; --- literal constants --- [GOOD] ; --- top level inputs --- [GOOD] (declare-fun s0 () (_ FloatingPoint 8 24)) ; tracks user variable "x" [GOOD] ; --- constant tables --- [GOOD] ; --- non-constant tables --- [GOOD] ; --- arrays --- [GOOD] ; --- uninterpreted constants --- [GOOD] ; --- user defined functions --- [GOOD] ; --- assignments --- [GOOD] (define-fun s1 () Bool (forall ((l1_s0 (_ FloatingPoint 8 24))) (let ((l1_s1 (fp.isNaN l1_s0))) (let ((l1_s2 (fp.isInfinite l1_s0))) (let ((l1_s3 (or l1_s1 l1_s2))) (let ((l1_s4 (not l1_s3))) (let ((l1_s5 (fp.leq s0 l1_s0))) (let ((l1_s6 (=> l1_s4 l1_s5))) l1_s6)))))))) [GOOD] ; --- arrayDelayeds --- [GOOD] ; --- arraySetups --- [GOOD] ; --- delayedEqualities --- [GOOD] ; --- formula --- [GOOD] (assert s1) [SEND] (check-sat) [RECV] sat [SEND] (get-value (s0)) [RECV] ((s0 (_ -oo 8 24))) *** Solver : Z3 *** Exit code: ExitSuccess [VALIDATE] Validating the model. Assignment: [VALIDATE] x = -Infinity :: Float [VALIDATE] There are no constraints to check. [VALIDATE] Validating outputs. FINAL OUTPUT: *** Data.SBV: Cannot validate the model, since s1 is not concretely computable. *** *** Assignment: *** *** x = -Infinity :: Float *** *** The value depends on a quantified variable. *** *** SBV's model validator is incomplete, and cannot handle this particular case. *** Please report this as a feature request or possibly a bug! *** *** Alleged model: *** *** Satisfiable. Model: *** x = -Infinity :: Float