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Polysat: add simpler monotonicity unit test + minor changes (#5348)

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* Add simpler versions of monotonicity puzzle

* band-aid fix to conflicts during revert_decision

* minor changes
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Jakob Rath 2021-06-15 19:18:37 +02:00 • committed by GitHub
parent 9cc78ef98e
commit 1fe7dc40fe
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5 changed files with 135 additions and 32 deletions
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src/math/polysat/constraint.h
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@ -93,7 +93,7 @@ namespace polysat {
unsigned m_ref_count = 0;
// bool m_stored = false; ///< Whether it has been inserted into the constraint_manager to be tracked by level
unsigned m_storage_level; ///< Controls lifetime of the constraint object. Always a base level (for external dependencies the level at which it was created, and for others the maximum storage level of its external dependencies).
unsigned m_active_level; ///< Level at which the constraint was activated. Possibly different from m_storage_level because constraints in lemmas may become activated only at a higher level.
unsigned m_active_level = UINT_MAX; ///< Level at which the constraint was activated. Possibly different from m_storage_level because constraints in lemmas may become activated only at a higher level.
ckind_t m_kind;
p_dependency_ref m_dep;
unsigned_vector m_vars;
@ -172,7 +172,7 @@ namespace polysat {
friend class constraint_manager;
unsigned m_ref_count = 0;
unsigned m_level;
unsigned m_level; // TODO: this is "storage" level, rename accordingly
// unsigned m_next_guess = UINT_MAX; // next guess for enumerative backtracking
unsigned m_next_guess = 0; // next guess for enumerative backtracking
p_dependency_ref m_dep;