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Improved support for FPA unspecified min/max values, model validation, and proof generation.

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This commit is contained in:
Christoph M. Wintersteiger 2015-10-21 20:11:59 +01:00
parent ca496f20cb
commit 9b5abcd55a
8 changed files with 192 additions and 106 deletions
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10
src/tactic/fpa/fpa2bv_model_converter.cpp
View file

@ -210,6 +210,11 @@ void fpa2bv_model_converter::convert(model * bv_mdl, model * float_mdl) {
obj_hashtable<func_decl> seen;
for (obj_hashtable<func_decl>::iterator it = m_decls_to_hide.begin();
it != m_decls_to_hide.end();
it++)
seen.insert(*it);
for (obj_map<func_decl, expr*>::iterator it = m_const2bv.begin();
it != m_const2bv.end();
it++)
@ -353,6 +358,7 @@ void fpa2bv_model_converter::convert(model * bv_mdl, model * float_mdl) {
model_converter * mk_fpa2bv_model_converter(ast_manager & m,
obj_map<func_decl, expr*> const & const2bv,
obj_map<func_decl, expr*> const & rm_const2bv,
obj_map<func_decl, func_decl*> const & uf2bvuf) {
return alloc(fpa2bv_model_converter, m, const2bv, rm_const2bv, uf2bvuf);
obj_map<func_decl, func_decl*> const & uf2bvuf,
obj_hashtable<func_decl> const & decls_to_hide) {
return alloc(fpa2bv_model_converter, m, const2bv, rm_const2bv, uf2bvuf, decls_to_hide);
}

16
src/tactic/fpa/fpa2bv_model_converter.h
View file

@ -27,13 +27,14 @@ class fpa2bv_model_converter : public model_converter {
obj_map<func_decl, expr*> m_const2bv;
obj_map<func_decl, expr*> m_rm_const2bv;
obj_map<func_decl, func_decl*> m_uf2bvuf;
obj_hashtable<func_decl> m_decls_to_hide;
public:
fpa2bv_model_converter(ast_manager & m, obj_map<func_decl, expr*> const & const2bv,
obj_map<func_decl, expr*> const & rm_const2bv,
obj_map<func_decl, func_decl*> const & uf2bvuf) :
obj_map<func_decl, func_decl*> const & uf2bvuf,
obj_hashtable<func_decl> const & decls_to_hide) :
m(m) {
// Just create a copy?
for (obj_map<func_decl, expr*>::iterator it = const2bv.begin();
it != const2bv.end();
it++)
@ -58,12 +59,20 @@ public:
m.inc_ref(it->m_key);
m.inc_ref(it->m_value);
}
for (obj_hashtable<func_decl>::iterator it = decls_to_hide.begin();
it != decls_to_hide.end();
it++)
{
m_decls_to_hide.insert(*it);
m.inc_ref(*it);
}
}
virtual ~fpa2bv_model_converter() {
dec_ref_map_key_values(m, m_const2bv);
dec_ref_map_key_values(m, m_rm_const2bv);
dec_ref_map_key_values(m, m_uf2bvuf);
dec_ref_collection_values(m, m_decls_to_hide);
}
virtual void operator()(model_ref & md, unsigned goal_idx) {
@ -96,6 +105,7 @@ protected:
model_converter * mk_fpa2bv_model_converter(ast_manager & m,
obj_map<func_decl, expr*> const & const2bv,
obj_map<func_decl, expr*> const & rm_const2bv,
obj_map<func_decl, func_decl*> const & uf2bvuf);
obj_map<func_decl, func_decl*> const & uf2bvuf,
obj_hashtable<func_decl> const & decls_to_hide);
#endif

9
src/tactic/fpa/fpa2bv_tactic.cpp
View file

@ -107,7 +107,7 @@ class fpa2bv_tactic : public tactic {
}
if (g->models_enabled())
mc = mk_fpa2bv_model_converter(m, m_conv.const2bv(), m_conv.rm_const2bv(), m_conv.uf2bvuf());
mc = mk_fpa2bv_model_converter(m, m_conv.const2bv(), m_conv.rm_const2bv(), m_conv.uf2bvuf(), m_conv.decls_to_hide());
g->inc_depth();
result.push_back(g.get());
@ -151,7 +151,12 @@ public:
model_converter_ref & mc,
proof_converter_ref & pc,
expr_dependency_ref & core) {
(*m_imp)(in, result, mc, pc, core);
try {
(*m_imp)(in, result, mc, pc, core);
}
catch (rewriter_exception & ex) {
throw tactic_exception(ex.msg());
}
}
virtual void cleanup() {