Polysat: conflict resolution wip (#5529)

* conflict_core doesn't need gc() anymore

* update comments, ensure_bvar for new constraints

* Make sure constraints can only be created through constraint_manager

* fix constraint::display if no boolean variable is assigned

* Move clause into separate file

* Add conflict_core binary resolution

* conflict_core additions

* reactivate conflict resolution outer loop

* wip

* seems commented includes break CI build

src/math/polysat/CMakeLists.txt

@@ -1,6 +1,7 @@
 z3_add_component(polysat
   SOURCES
     boolean.cpp
+    clause.cpp
     clause_builder.cpp
     conflict_core.cpp
     constraint.cpp
@@ -14,6 +15,7 @@ z3_add_component(polysat
     solver.cpp
     ule_constraint.cpp
     viable.cpp
+    variable_elimination.cpp
   COMPONENT_DEPENDENCIES
     util
     dd