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add counter to theory_str::mk_fresh_const()

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This commit is contained in:
Murphy Berzish 2017-05-13 14:18:05 -04:00
parent 169295c9ba
commit bf147556a6
2 changed files with 9 additions and 1 deletions
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8
src/smt/theory_str.cpp
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@ -60,6 +60,7 @@ namespace smt {
totalCacheAccessCount(0), totalCacheAccessCount(0),
cacheHitCount(0), cacheHitCount(0),
cacheMissCount(0), cacheMissCount(0),
m_fresh_id(0),
m_find(*this), m_find(*this),
m_trail_stack(*this) m_trail_stack(*this)
{ {
@ -441,7 +442,12 @@ namespace smt {
} }
app * theory_str::mk_fresh_const(char const* name, sort* s) { app * theory_str::mk_fresh_const(char const* name, sort* s) {
return u.mk_skolem(symbol(name), 0, 0, s); string_buffer<64> buffer;
buffer << name;
buffer << "!tmp";
buffer << m_fresh_id;
m_fresh_id++;
return u.mk_skolem(symbol(buffer.c_str()), 0, 0, s);
} }

2
src/smt/theory_str.h
View file

@ -350,6 +350,8 @@ protected:
unsigned long cacheHitCount; unsigned long cacheHitCount;
unsigned long cacheMissCount; unsigned long cacheMissCount;
unsigned m_fresh_id;
// cache mapping each string S to Length(S) // cache mapping each string S to Length(S)
obj_map<expr, app*> length_ast_map; obj_map<expr, app*> length_ast_map;