Struct KnownContradiction 

pub struct KnownContradiction {
    pub prop: Proposition,
    pub known: bool,
    pub proven: bool,
    pub known_pass: PassName,
    pub proven_pass: PassName,
}

A proven fact that contradicted an existing known fact (as opposed to a mere assumption). Unlike a Violation, this is not a replay signal — it means two verification results, or a user-forced override and a verification result, disagree irreconcilably. The checkpoint+replay driver surfaces it as a hard error rather than looping.

Fields

prop: Proposition

The proposition proven two different ways.

known: bool

The value already recorded as known (e.g. a user override).

proven: bool

The value a later pass proved (the negation of known).

known_pass: PassName

The pass that recorded the original known fact.

proven_pass: PassName

The pass that proved the contradicting value.

Trait Implementations

impl Clone for KnownContradiction

fn clone(&self) -> KnownContradiction

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for KnownContradiction

impl Debug for KnownContradiction

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for KnownContradiction

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for KnownContradiction

impl PartialEq for KnownContradiction

fn eq(&self, other: &KnownContradiction) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for KnownContradiction

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for KnownContradiction