in z3tracer/src/report.rs [24:33]
fn id2s(&self, id: &Ident) -> String;
// Obtain the name of a term (if any).
fn id2name(&self, id: &Ident) -> Option<String>;
// Obtain the name of the quantifier behind a QI key.
fn key2name(&self, k: &QiKey) -> Option<String>;
}
impl ModelExt for Model {