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Add support for initializing variable values in solver and optimize contexts in Z3

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This commit is contained in:
Nikolaj Bjorner 2024-09-19 22:44:16 +03:00
parent 342dccdc02
commit 0c48a50d59
12 changed files with 98 additions and 9 deletions
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5
src/cmd_context/basic_cmds.cpp
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@ -330,10 +330,7 @@ public:
void set_next_arg(cmd_context& ctx, expr* e) override { if (m_var) m_value = e; else m_var = e; }
void execute(cmd_context& ctx) override {
SASSERT(m_var && m_value);
if (ctx.get_opt())
ctx.get_opt()->initialize_value(m_var, m_value);
else if (ctx.get_solver())
ctx.get_solver()->user_propagate_initialize_value(m_var, m_value);
ctx.set_initial_value(m_var, m_value);
}
};

14
src/cmd_context/cmd_context.cpp
View file

@ -629,6 +629,7 @@ cmd_context::~cmd_context() {
finalize_cmds();
finalize_tactic_manager();
m_proof_cmds = nullptr;
m_var2values.reset();
reset(true);
m_mcs.reset();
m_solver = nullptr;
@ -654,6 +655,8 @@ void cmd_context::set_opt(opt_wrapper* opt) {
m_opt = opt;
for (unsigned i = 0; i < m_scopes.size(); ++i)
m_opt->push();
for (auto const& [var, value] : m_var2values)
m_opt->initialize_value(var, value);
m_opt->set_logic(m_logic);
}
@ -1874,6 +1877,17 @@ void cmd_context::display_dimacs() {
}
}
void cmd_context::set_initial_value(expr* var, expr* value) {
if (get_opt()) {
get_opt()->initialize_value(var, value);
return;
}
if (get_solver())
get_solver()->user_propagate_initialize_value(var, value);
m_var2values.push_back({expr_ref(var, m()), expr_ref(value, m())});
}
void cmd_context::display_model(model_ref& mdl) {
if (mdl) {
if (mc0()) (*mc0())(mdl);

2
src/cmd_context/cmd_context.h
View file

@ -262,6 +262,7 @@ protected:
scoped_ptr_vector<builtin_decl> m_extra_builtin_decls; // make sure that dynamically allocated builtin_decls are deleted
dictionary<object_ref*> m_object_refs; // anything that can be named.
dictionary<sexpr*> m_user_tactic_decls;
vector<std::pair<expr_ref, expr_ref>> m_var2values;
dictionary<func_decls> m_func_decls;
obj_map<func_decl, symbol> m_func_decl2alias;
@ -421,6 +422,7 @@ public:
solver* get_solver() { return m_solver.get(); }
void set_solver(solver* s) { m_solver = s; }
void set_proof_cmds(proof_cmds* pc) { m_proof_cmds = pc; }
void set_initial_value(expr* var, expr* value);
void set_solver_factory(solver_factory * s);
void set_check_sat_result(check_sat_result * r) { m_check_sat_result = r; }