lean4-htt/tests/lean/run/bv_unused.lean
Henrik Böving f348a082da
feat: present bv_decide counter examples for UIntX and enums better (#7033)
This PR improves presentation of counter examples for UIntX and enum
inductives in bv_decide.
2025-02-11 11:01:40 +00:00

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import Std.Tactic.BVDecide
open BitVec
/--
error: The prover found a counterexample, consider the following assignment:
y = 18446744073709551615#64
-/
#guard_msgs in
example {y : BitVec 64} : zeroExtend 32 y = 0 := by
bv_decide