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