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fix leaks reported in #1309

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-10-15 09:56:21 -07:00
parent 44be1501ff
commit 4d1acadabb
3 changed files with 10 additions and 6 deletions
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5
src/sat/sat_simplifier.cpp
View file

@ -1311,7 +1311,6 @@ namespace sat {
clause_use_list & neg_occs = m_use_list.get(neg_l);
unsigned num_pos = pos_occs.size() + num_bin_pos;
unsigned num_neg = neg_occs.size() + num_bin_neg;
m_elim_counter -= num_pos + num_neg;
TRACE("resolution", tout << v << " num_pos: " << num_pos << " neg_pos: " << num_neg << "\n";);
@ -1352,8 +1351,6 @@ namespace sat {
collect_clauses(pos_l, m_pos_cls);
collect_clauses(neg_l, m_neg_cls);
m_elim_counter -= num_pos * num_neg + before_lits;
TRACE("resolution_detail", tout << "collecting number of after_clauses\n";);
unsigned before_clauses = num_pos + num_neg;
unsigned after_clauses = 0;
@ -1376,7 +1373,7 @@ namespace sat {
}
}
TRACE("resolution", tout << "found var to eliminate, before: " << before_clauses << " after: " << after_clauses << "\n";);
m_elim_counter -= num_pos * num_neg + before_lits;
// eliminate variable
model_converter::entry & mc_entry = s.m_mc.mk(model_converter::ELIM_VAR, v);

5
src/smt/theory_str.cpp
View file

@ -315,6 +315,7 @@ namespace smt {
m_trail.push_back(node);
if (!cut_var_map.contains(baseNode)) {
T_cut * varInfo = alloc(T_cut);
m_cut_allocs.push_back(varInfo);
varInfo->level = slevel;
varInfo->vars[node] = 1;
cut_var_map.insert(baseNode, std::stack<T_cut*>());
@ -323,6 +324,7 @@ namespace smt {
} else {
if (cut_var_map[baseNode].empty()) {
T_cut * varInfo = alloc(T_cut);
m_cut_allocs.push_back(varInfo);
varInfo->level = slevel;
varInfo->vars[node] = 1;
cut_var_map[baseNode].push(varInfo);
@ -330,6 +332,7 @@ namespace smt {
} else {
if (cut_var_map[baseNode].top()->level < slevel) {
T_cut * varInfo = alloc(T_cut);
m_cut_allocs.push_back(varInfo);
varInfo->level = slevel;
cut_vars_map_copy(varInfo->vars, cut_var_map[baseNode].top()->vars);
varInfo->vars[node] = 1;
@ -359,6 +362,7 @@ namespace smt {
if (!cut_var_map.contains(destNode)) {
T_cut * varInfo = alloc(T_cut);
m_cut_allocs.push_back(varInfo);
varInfo->level = slevel;
cut_vars_map_copy(varInfo->vars, cut_var_map[srcNode].top()->vars);
cut_var_map.insert(destNode, std::stack<T_cut*>());
@ -367,6 +371,7 @@ namespace smt {
} else {
if (cut_var_map[destNode].empty() || cut_var_map[destNode].top()->level < slevel) {
T_cut * varInfo = alloc(T_cut);
m_cut_allocs.push_back(varInfo);
varInfo->level = slevel;
cut_vars_map_copy(varInfo->vars, cut_var_map[destNode].top()->vars);
cut_vars_map_copy(varInfo->vars, cut_var_map[srcNode].top()->vars);

6
src/smt/theory_str.h
View file

@ -18,9 +18,12 @@
#define _THEORY_STR_H_
#include "util/trail.h"
#include "util/union_find.h"
#include "util/scoped_ptr_vector.h"
#include "ast/ast_pp.h"
#include "ast/arith_decl_plugin.h"
#include "ast/rewriter/th_rewriter.h"
#include "ast/seq_decl_plugin.h"
#include "smt/smt_theory.h"
#include "smt/params/theory_str_params.h"
#include "smt/proto_model/value_factory.h"
@ -29,8 +32,6 @@
#include<stack>
#include<vector>
#include<map>
#include "ast/seq_decl_plugin.h"
#include "util/union_find.h"
namespace smt {
@ -292,6 +293,7 @@ protected:
bool avoidLoopCut;
bool loopDetected;
obj_map<expr, std::stack<T_cut*> > cut_var_map;
scoped_ptr_vector<T_cut> m_cut_allocs;
expr_ref m_theoryStrOverlapAssumption_term;
obj_hashtable<expr> variable_set;