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add option to bypass compression of unbound tails, issue #738

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-09-16 14:56:10 -07:00
parent 7a3308110c
commit 7f29674842
6 changed files with 10 additions and 0 deletions
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1
contrib/cmake/src/ast/rewriter/CMakeLists.txt
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@ -4,6 +4,7 @@ z3_add_component(rewriter
array_rewriter.cpp
ast_counter.cpp
bool_rewriter.cpp
bv_bounds.cpp
bv_rewriter.cpp
datatype_rewriter.cpp
der.cpp

1
contrib/cmake/src/tactic/bv/CMakeLists.txt
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@ -5,6 +5,7 @@ z3_add_component(bv_tactics
bv1_blaster_tactic.cpp
bvarray2uf_rewriter.cpp
bvarray2uf_tactic.cpp
bv_bound_chk_tactic.cpp
bv_bounds_tactic.cpp
bv_size_reduction_tactic.cpp
dt2bv_tactic.cpp

1
src/muz/base/dl_context.cpp
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@ -303,6 +303,7 @@ namespace datalog {
bool context::karr() const { return m_params->xform_karr(); }
bool context::scale() const { return m_params->xform_scale(); }
bool context::magic() const { return m_params->xform_magic(); }
bool context::compress_unbound() const { return m_params->xform_compress_unbound(); }
bool context::quantify_arrays() const { return m_params->xform_quantify_arrays(); }
bool context::instantiate_quantifiers() const { return m_params->xform_instantiate_quantifiers(); }

1
src/muz/base/dl_context.h
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@ -272,6 +272,7 @@ namespace datalog {
bool karr() const;
bool scale() const;
bool magic() const;
bool compress_unbound() const;
bool quantify_arrays() const;
bool instantiate_quantifiers() const;
bool xform_bit_blast() const;

1
src/muz/base/fixedpoint_params.pyg
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@ -131,6 +131,7 @@ def_module_params('fixedpoint',
('xform.inline_eager', BOOL, True, "try eager inlining of rules"),
('xform.inline_linear_branch', BOOL, False,
"try linear inlining method with potential expansion"),
('xform.compress_unbound', BOOL, True, "compress tails with unbound variables"),
('xform.fix_unbound_vars', BOOL, False, "fix unbound variables in tail"),
('xform.unfold_rules', UINT, 0,
"unfold rules statically using iterative squarring"),

5
src/muz/transforms/dl_mk_unbound_compressor.cpp
View file

@ -344,6 +344,11 @@ namespace datalog {
rule_set * mk_unbound_compressor::operator()(rule_set const & source) {
// TODO mc
if (!m_context.compress_unbound()) {
return 0;
}
m_modified = false;
SASSERT(m_rules.empty());