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checkpoint

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2012-10-21 22:04:19 -07:00
parent 63154b99c5
commit 142bf71b35
5 changed files with 39 additions and 163 deletions

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@ -29,6 +29,7 @@ Revision History:
#include"cancel_eh.h"
#include"scoped_timer.h"
#include"smt_strategic_solver.h"
#include"default_solver.h"
extern "C" {

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@ -17,7 +17,6 @@ Notes:
--*/
#include"solver.h"
// #include"smt_solver.h"
unsigned solver::get_num_assertions() const {
NOT_IMPLEMENTED_YET();
@ -33,163 +32,3 @@ void solver::display(std::ostream & out) const {
out << "(solver)";
}
#if 0
class default_solver : public solver {
front_end_params * m_params;
smt::solver * m_context;
public:
default_solver():m_params(0), m_context(0) {}
virtual ~default_solver() {
if (m_context != 0)
dealloc(m_context);
}
virtual void set_front_end_params(front_end_params & p) {
m_params = &p;
}
virtual void updt_params(params_ref const & p) {
if (m_context == 0)
return;
m_context->updt_params(p);
}
virtual void collect_param_descrs(param_descrs & r) {
if (m_context == 0) {
ast_manager m;
m.register_decl_plugins();
front_end_params p;
smt::solver s(m, p);
s.collect_param_descrs(r);
}
else {
m_context->collect_param_descrs(r);
}
}
virtual void init(ast_manager & m, symbol const & logic) {
SASSERT(m_params);
reset();
#pragma omp critical (solver)
{
m_context = alloc(smt::solver, m, *m_params);
}
if (logic != symbol::null)
m_context->set_logic(logic);
}
virtual void collect_statistics(statistics & st) const {
if (m_context == 0) {
return;
}
else {
m_context->collect_statistics(st);
}
}
virtual void reset() {
if (m_context != 0) {
#pragma omp critical (solver)
{
dealloc(m_context);
m_context = 0;
}
}
}
virtual void assert_expr(expr * t) {
SASSERT(m_context);
m_context->assert_expr(t);
}
virtual void push() {
SASSERT(m_context);
m_context->push();
}
virtual void pop(unsigned n) {
SASSERT(m_context);
m_context->pop(n);
}
virtual unsigned get_scope_level() const {
if (m_context)
return m_context->get_scope_level();
else
return 0;
}
virtual lbool check_sat(unsigned num_assumptions, expr * const * assumptions) {
SASSERT(m_context);
return m_context->check(num_assumptions, assumptions);
}
virtual void get_unsat_core(ptr_vector<expr> & r) {
SASSERT(m_context);
unsigned sz = m_context->get_unsat_core_size();
for (unsigned i = 0; i < sz; i++)
r.push_back(m_context->get_unsat_core_expr(i));
}
virtual void get_model(model_ref & m) {
SASSERT(m_context);
m_context->get_model(m);
}
virtual proof * get_proof() {
SASSERT(m_context);
return m_context->get_proof();
}
virtual std::string reason_unknown() const {
SASSERT(m_context);
return m_context->last_failure_as_string();
}
virtual void get_labels(svector<symbol> & r) {
SASSERT(m_context);
buffer<symbol> tmp;
m_context->get_relevant_labels(0, tmp);
r.append(tmp.size(), tmp.c_ptr());
}
virtual void set_cancel(bool f) {
#pragma omp critical (solver)
{
if (m_context)
m_context->set_cancel(f);
}
}
virtual void set_progress_callback(progress_callback * callback) {
SASSERT(m_context);
m_context->set_progress_callback(callback);
}
virtual unsigned get_num_assertions() const {
if (m_context)
return m_context->size();
else
return 0;
}
virtual expr * get_assertion(unsigned idx) const {
SASSERT(m_context);
SASSERT(idx < get_num_assertions());
return m_context->get_formulas()[idx];
}
virtual void display(std::ostream & out) const {
if (m_context)
m_context->display(out);
else
out << "(solver)";
}
};
solver * mk_default_solver() {
return alloc(default_solver);
}
#endif

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@ -58,6 +58,4 @@ public:
virtual void display(std::ostream & out) const;
};
solver * mk_default_solver();
#endif

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@ -0,0 +1,37 @@
/*++
Copyright (c) 2006 Microsoft Corporation
Module Name:
pattern_inference_params.cpp
Abstract:
<abstract>
Author:
Leonardo de Moura (leonardo) 2008-03-24.
Revision History:
--*/
#include"pattern_inference_params.h"
void pattern_inference_params::register_params(ini_params & p) {
p.register_unsigned_param("PI_MAX_MULTI_PATTERNS", m_pi_max_multi_patterns,
"when patterns are not provided, the prover uses a heuristic to infer them. This option sets the threshold on the number of extra multi-patterns that can be created. By default, the prover creates at most one multi-pattern when there is no unary pattern");
p.register_bool_param("PI_BLOCK_LOOOP_PATTERNS", m_pi_block_loop_patterns,
"block looping patterns during pattern inference");
p.register_int_param("PI_ARITH", 0, 2, reinterpret_cast<int&>(m_pi_arith),
"0 - do not infer patterns with arithmetic terms, 1 - use patterns with arithmetic terms if there is no other pattern, 2 - always use patterns with arithmetic terms.");
p.register_bool_param("PI_USE_DATABASE", m_pi_use_database);
p.register_unsigned_param("PI_ARITH_WEIGHT", m_pi_arith_weight, "default weight for quantifiers where the only available pattern has nested arithmetic terms.");
p.register_unsigned_param("PI_NON_NESTED_ARITH_WEIGHT", m_pi_non_nested_arith_weight, "default weight for quantifiers where the only available pattern has non nested arithmetic terms.");
p.register_bool_param("PI_PULL_QUANTIFIERS", m_pi_pull_quantifiers, "pull nested quantifiers, if no pattern was found.");
p.register_int_param("PI_NOPAT_WEIGHT", m_pi_nopat_weight, "set weight of quantifiers without patterns, if negative the weight is not changed.");
p.register_bool_param("PI_AVOID_SKOLEMS", m_pi_avoid_skolems);
p.register_bool_param("PI_WARNINGS", m_pi_warnings, "enable/disable warning messages in the pattern inference module.");
}

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@ -35,6 +35,7 @@ Notes:
#include"ufbv_strategy.h"
#include"st2tactic.h"
#include"qffpa_tactic.h"
#include"default_solver.h"
#define MK_ST2TACTIC_FACTORY(NAME, ST) \
class NAME : public tactic_factory { \