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interp handle mystery arith lemmas

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Ken McMillan 2014-05-13 17:28:22 -07:00
parent 669fded98a
commit c9e9b30af6
2 changed files with 18 additions and 1 deletions
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5
src/interp/iz3mgr.h
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@ -387,10 +387,13 @@ class iz3mgr {
return UnknownTheory;
}
enum lemma_kind {FarkasKind,Leq2EqKind,Eq2LeqKind,GCDTestKind,AssignBoundsKind,EqPropagateKind,UnknownKind};
enum lemma_kind {FarkasKind,Leq2EqKind,Eq2LeqKind,GCDTestKind,AssignBoundsKind,EqPropagateKind,ArithMysteryKind,UnknownKind};
lemma_kind get_theory_lemma_kind(const ast &proof){
symb s = sym(proof);
if(s->get_num_parameters() < 2) {
return ArithMysteryKind; // Bad -- Z3 hasn't told us
}
::symbol p0;
bool ok = s->get_parameter(1).is_symbol(p0);
if(!ok) return UnknownKind;