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Cleanup iuc_proof

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This commit is contained in:
Arie Gurfinkel 2018-05-16 12:57:35 -07:00
parent abe67705d3
commit 45500ff7d3
2 changed files with 24 additions and 13 deletions
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25
src/muz/spacer/spacer_iuc_proof.cpp
View file

@ -11,13 +11,21 @@ namespace spacer {
* init
* ====================================
*/
iuc_proof::iuc_proof(ast_manager& m, proof* pr, expr_set& core_lits) :
iuc_proof::iuc_proof(ast_manager& m, proof* pr, const expr_set& core_lits) :
m(m), m_pr(pr,m) {
for (auto lit : core_lits) m_core_lits.insert(lit);
// init A-marks and B-marks
collect_core_symbols(core_lits);
compute_marks(core_lits);
collect_core_symbols();
compute_marks();
}
iuc_proof::iuc_proof(ast_manager& m, proof* pr, const expr_ref_vector& core_lits) :
m(m), m_pr(pr,m) {
for (auto lit : core_lits) m_core_lits.insert(lit);
// init A-marks and B-marks
collect_core_symbols();
compute_marks();
}
/*
* ====================================
* methods for computing symbol colors
@ -37,13 +45,12 @@ public:
void operator()(quantifier*) {}
};
void iuc_proof::collect_core_symbols(expr_set& core_lits)
void iuc_proof::collect_core_symbols()
{
expr_mark visited;
collect_pure_proc proc(m_core_symbols);
for (expr_set::iterator it = core_lits.begin(); it != core_lits.end(); ++it) {
for_each_expr(proc, visited, *it);
}
for (auto lit : m_core_lits)
for_each_expr(proc, visited, lit);
}
class is_pure_expr_proc {
@ -84,7 +91,7 @@ bool iuc_proof::is_core_pure(expr* e) const
return true;
}
void iuc_proof::compute_marks(expr_set& core_lits)
void iuc_proof::compute_marks()
{
proof_post_order it(m_pr, m);
while (it.hasNext())
@ -95,7 +102,7 @@ void iuc_proof::compute_marks(expr_set& core_lits)
switch(cur->get_decl_kind())
{
case PR_ASSERTED:
if (core_lits.contains(m.get_fact(cur)))
if (m_core_lits.contains(m.get_fact(cur)))
m_b_mark.mark(cur, true);
else
m_a_mark.mark(cur, true);

12
src/muz/spacer/spacer_iuc_proof.h
View file

@ -17,7 +17,8 @@ public:
// Constructs an iuc_proof given an ast_manager, a proof, and a set of
// literals core_lits that might be included in the unsat core
iuc_proof(ast_manager& m, proof* pr, expr_set& core_lits);
iuc_proof(ast_manager& m, proof* pr, const expr_set& core_lits);
iuc_proof(ast_manager& m, proof* pr, const expr_ref_vector &core_lits);
// returns the proof object
proof* get() {return m_pr.get();}
@ -44,15 +45,18 @@ private:
ast_mark m_b_mark;
ast_mark m_h_mark;
// -- literals that are part of the core
expr_set m_core_lits;
// symbols that occur in any literals in the core
func_decl_set m_core_symbols;
// collect symbols occuring in B (the core)
void collect_core_symbols(expr_set& core_lits);
// collect symbols occurring in B (the core)
void collect_core_symbols();
// compute for each formula of the proof whether it derives
// from A or from B
void compute_marks(expr_set& core_lits);
void compute_marks();
};