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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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4
src/math/polysat/forbidden_intervals.cpp
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@ -71,6 +71,10 @@ namespace polysat {
unsigned longest_i = UINT_MAX;
for (constraint* c : conflict) {
LOG_H3("Computing forbidden interval for: " << *c);
if (c->is_undef()) {
LOG("TODO: undef constraint in conflict... what does this mean???");
continue;
}
eval_interval interval = eval_interval::full();
constraint_ref neg_cond;
if (c->forbidden_interval(s, v, interval, neg_cond)) {