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#7468 - add option (get-info :parameters) to display solver parameters that were updated globally and distinct from defaults

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2025-02-10 11:57:14 -08:00
parent 62126fd6e2
commit c2b7b58c78
8 changed files with 62 additions and 6 deletions
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20
src/cmd_context/basic_cmds.cpp
View file

@ -433,7 +433,7 @@ class set_option_cmd : public set_get_option_cmd {
}
void set_param(cmd_context & ctx, char const * value) {
try {
try {
gparams::set(m_option, value);
env_params::updt_params();
ctx.global_params_updated();
@ -693,7 +693,7 @@ public:
m_rlimit(":rlimit") {
}
char const * get_usage() const override { return "<keyword>"; }
char const * get_descr(cmd_context & ctx) const override { return "get information."; }
char const * get_descr(cmd_context & ctx) const override { return "(get-info :?) for options."; }
unsigned get_arity() const override { return 1; }
cmd_arg_kind next_arg_kind(cmd_context & ctx) const override { return CPK_KEYWORD; }
void set_next_arg(cmd_context & ctx, symbol const & opt) override {
@ -707,7 +707,7 @@ public:
ctx.regular_stream() << "(:name \"Z3\")" << std::endl;
}
else if (opt == m_authors) {
ctx.regular_stream() << "(:authors \"Leonardo de Moura, Nikolaj Bjorner and Christoph Wintersteiger\")" << std::endl;
ctx.regular_stream() << "(:authors \"Leonardo de Moura, Nikolaj Bjorner, Lev Nachmanson and Christoph Wintersteiger\")" << std::endl;
}
else if (opt == m_version) {
ctx.regular_stream() << "(:version \"" << Z3_MAJOR_VERSION << "." << Z3_MINOR_VERSION << "." << Z3_BUILD_NUMBER
@ -731,8 +731,20 @@ public:
else if (opt == m_assertion_stack_levels) {
ctx.regular_stream() << "(:assertion-stack-levels " << ctx.num_scopes() << ")" << std::endl;
}
else if (opt == symbol(":parameters")) {
ctx.display_parameters(ctx.regular_stream());
}
else {
ctx.print_unsupported(opt, m_line, m_pos);
if (opt != symbol(":?"))
ctx.print_unsupported(opt, m_line, m_pos);
ctx.regular_stream() << "; (get-info :reason-unknown)\n";
ctx.regular_stream() << "; (get-info :status)\n";
ctx.regular_stream() << "; (get-info :version)\n";
ctx.regular_stream() << "; (get-info :authors)\n";
ctx.regular_stream() << "; (get-info :error-behavior)\n";
ctx.regular_stream() << "; (get-info :parameters)\n";
ctx.regular_stream() << "; (get-info :rlimit)\n";
ctx.regular_stream() << "; (get-info :assertion-stack-levels)\n";
}
}
};

5
src/cmd_context/cmd_context.cpp
View file

@ -1902,6 +1902,11 @@ void cmd_context::display_model(model_ref& mdl) {
}
}
void cmd_context::display_parameters(std::ostream& out) {
if (m_solver)
m_solver->display_parameters(out);
}
void cmd_context::add_declared_functions(model& mdl) {
model_params p;
if (!p.user_functions())

1
src/cmd_context/cmd_context.h
View file

@ -506,6 +506,7 @@ public:
void display_assertions();
void display_statistics(bool show_total_time = false, double total_time = 0.0);
void display_dimacs();
void display_parameters(std::ostream& out);
void reset(bool finalize = false);
void assert_expr(expr * t);
void assert_expr(symbol const & name, expr * t);

12
src/solver/solver.cpp
View file

@ -225,6 +225,18 @@ void solver::collect_param_descrs(param_descrs & r) {
insert_ctrl_c(r);
}
std::ostream& solver::display_parameters(std::ostream& out) {
//
// this is a partial patch.
// The modules should be present in 'p'.
// if p has smt parameters that are updated, they may be visible.
// parameters within sub-solvers will / may not be visible at this level.
//
auto const& p = get_params();
gparams::display_updated_parameters(out, p);
return out;
}
void solver::reset_params(params_ref const & p) {
m_params.append(p);
solver_params sp(m_params);

5
src/solver/solver.h
View file

@ -81,6 +81,11 @@ public:
*/
virtual void collect_param_descrs(param_descrs & r);
/**
* \brief display parameters
*/
std::ostream& display_parameters(std::ostream& out);
/**
\brief Push a parameter state. It is restored upon pop.
Only a single scope of push is supported.

19
src/util/gparams.cpp
View file

@ -412,7 +412,7 @@ public:
}
}
std::string get_value(params_ref const & ps, std::string const & p) {
std::string get_value(params_ref const& ps, std::string const& p) {
symbol sp(p.c_str());
std::ostringstream buffer;
ps.display(buffer, sp);
@ -430,6 +430,19 @@ public:
return r;
}
void display_updated_parameters(std::ostream& out, params_ref const& p) {
param_descrs* d = nullptr;
for (auto const& [k, v] : m_module_params) {
if (!get_module_param_descr(k, d))
continue;
params_ref* ps = nullptr;
if (!m_module_params.find(k, ps))
continue;
ps->display_smt2(out, k, *d);
p.display_smt2(out, k, *d);
}
}
std::string get_value(char const * name) {
std::string m, p;
normalize(name, m, p);
@ -691,3 +704,7 @@ std::string& gparams::g_buffer() {
SASSERT(g_imp);
return g_imp->m_buffer;
}
void gparams::display_updated_parameters(std::ostream& out, params_ref const& p) {
g_imp->display_updated_parameters(out, p);
}

2
src/util/gparams.h
View file

@ -118,9 +118,11 @@ public:
// Auxiliary APIs for better command line support
static void display_modules(std::ostream & out);
static void display_updated_parameters(std::ostream& out, params_ref const& p);
static void display_module(std::ostream & out, char const * module_name);
static void display_module_markdown(std::ostream & out, char const * module_name);
static void display_parameter(std::ostream & out, char const * name);
static param_descrs const& get_global_param_descrs();
/**

4
src/util/params.cpp
View file

@ -476,7 +476,8 @@ public:
void display_smt2(std::ostream & out, char const* module, param_descrs& descrs) const {
for (params::entry const& e : m_entries) {
if (!descrs.contains(e.first)) continue;
if (!descrs.contains(e.first))
continue;
out << "(set-option :";
out << module << ".";
out << e.first;
@ -504,6 +505,7 @@ public:
break;
}
out << ")\n";
out << "; " << descrs.get_descr(e.first) << "\n";
}
}