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Code Activity

Polysat: expand conflict explanation rules (#5366)

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* update example to match slides

* Add normalized view of inequalities

* workaround

* Add a conflict explanation rule

* unit clauses should be asserted at the base level

* Add src constraint to interval

* support non-strict case in first rule

* print conflict constraints only once

* update second rule

* update third rule as well
This commit is contained in:
Jakob Rath 2021-06-23 19:12:39 +02:00 • committed by GitHub
parent dec37aee34
commit 20a5baeb70
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10 changed files with 249 additions and 159 deletions
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11
src/math/polysat/eq_constraint.cpp
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@ -211,4 +211,15 @@ namespace polysat {
return true;
}
inequality eq_constraint::as_inequality() const {
SASSERT(!is_undef());
pdd zero = p() - p();
if (is_positive()) {
// p <= 0
return { .lhs = p(), .rhs = zero, .is_strict = false, .src = this };
} else {
// 0 < p
return { .lhs = zero, .rhs = p(), .is_strict = true, .src = this };
}
}
}