Skip to content

Commit

Permalink
move proof_cmds
Browse files Browse the repository at this point in the history
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
  • Loading branch information
NikolajBjorner committed Aug 29, 2022
1 parent f5d2b9b commit f65a244
Show file tree
Hide file tree
Showing 5 changed files with 34 additions and 55 deletions.
1 change: 0 additions & 1 deletion src/cmd_context/CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,6 @@ z3_add_component(cmd_context
simplify_cmd.cpp
tactic_cmds.cpp
tactic_manager.cpp
proof_cmds.cpp
COMPONENT_DEPENDENCIES
rewriter
solver
Expand Down
15 changes: 14 additions & 1 deletion src/cmd_context/cmd_context.h
Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,18 @@ class macro_decls {
vector<macro_decl>::iterator end() const { return m_decls->end(); }
};


class proof_cmds {
public:
proof_cmds(ast_manager& m);
virtual ~proof_cmds();
virtual void add_literal(expr* e) = 0;
virtual void end_assumption() = 0;
virtual void end_learned() = 0;
virtual void end_deleted() = 0;
};


/**
\brief Generic wrapper.
*/
Expand Down Expand Up @@ -400,7 +412,8 @@ class cmd_context : public progress_callback, public tactic_manager, public ast_
pdecl_manager & pm() const { if (!m_pmanager) const_cast<cmd_context*>(this)->init_manager(); return *m_pmanager; }
sexpr_manager & sm() const { if (!m_sexpr_manager) const_cast<cmd_context*>(this)->m_sexpr_manager = alloc(sexpr_manager); return *m_sexpr_manager; }

proof_cmds& get_proof_cmds() { if (!m_proof_cmds) m_proof_cmds = proof_cmds::mk(m()); return *m_proof_cmds; }
proof_cmds* get_proof_cmds() { return m_proof_cmds; }
void set_proof_cmds(proof_cmds* pc) { m_proof_cmds = pc; }

void set_solver_factory(solver_factory * s);
void set_check_sat_result(check_sat_result * r) { m_check_sat_result = r; }
Expand Down
1 change: 1 addition & 0 deletions src/cmd_context/extra_cmds/CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ z3_add_component(extra_cmds
dbg_cmds.cpp
polynomial_cmds.cpp
subpaving_cmds.cpp
proof_cmds.cpp
COMPONENT_DEPENDENCIES
arith_tactics
cmd_context
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -24,9 +24,9 @@ Module Name:
#include "util/small_object_allocator.h"
#include "ast/ast_util.h"
#include "cmd_context/cmd_context.h"
#include "smt/smt_solver.h"
#include "sat/sat_solver.h"
#include "sat/sat_drat.h"
// include "smt/smt_solver.h"
// include "sat/sat_solver.h"
// include "sat/sat_drat.h"
#include "sat/smt/euf_proof_checker.h"
#include <iostream>

Expand Down Expand Up @@ -57,7 +57,7 @@ class smt_checker {
// sat_solver(m_params, m.limit()),
// m_drat(sat_solver)
{
m_solver = mk_smt_solver(m, m_params, symbol());
// m_solver = mk_smt_solver(m, m_params, symbol());
}

void check(expr_ref_vector const& clause, expr* proof_hint) {
Expand Down Expand Up @@ -94,22 +94,22 @@ class smt_checker {
}
};

class proof_cmds::imp {
class proof_cmds_imp : public proof_cmds {
ast_manager& m;
expr_ref_vector m_lits;
expr_ref m_proof_hint;
smt_checker m_checker;
public:
imp(ast_manager& m): m(m), m_lits(m), m_proof_hint(m), m_checker(m) {}
proof_cmds_imp(ast_manager& m): m(m), m_lits(m), m_proof_hint(m), m_checker(m) {}

void add_literal(expr* e) {
void add_literal(expr* e) override {
if (m.is_proof(e))
m_proof_hint = e;
else
m_lits.push_back(e);
}

void end_assumption() {
void end_assumption() override {
m_checker.assume(m_lits);
m_lits.reset();
m_proof_hint.reset();
Expand All @@ -127,32 +127,11 @@ class proof_cmds::imp {
}
};

proof_cmds* proof_cmds::mk(ast_manager& m) {
return alloc(proof_cmds, m);
}

proof_cmds::proof_cmds(ast_manager& m) {
m_imp = alloc(imp, m);
}

proof_cmds::~proof_cmds() {
dealloc(m_imp);
}

void proof_cmds::add_literal(expr* e) {
m_imp->add_literal(e);
}

void proof_cmds::end_assumption() {
m_imp->end_assumption();
}

void proof_cmds::end_learned() {
m_imp->end_learned();
}

void proof_cmds::end_deleted() {
m_imp->end_deleted();
static proof_cmds& get(cmd_context& ctx) {
if (!ctx.get_proof_cmds())
ctx.set_proof_cmds(alloc(proof_cmds_imp, ctx.m()));
return *ctx.get_proof_cmds();
}

// assumption
Expand All @@ -166,8 +145,8 @@ class assume_cmd : public cmd {
void finalize(cmd_context & ctx) override {}
void failure_cleanup(cmd_context & ctx) override {}
cmd_arg_kind next_arg_kind(cmd_context & ctx) const override { return CPK_EXPR; }
void set_next_arg(cmd_context & ctx, expr * arg) override { ctx.get_proof_cmds().add_literal(arg); }
void execute(cmd_context& ctx) override { ctx.get_proof_cmds().end_assumption(); }
void set_next_arg(cmd_context & ctx, expr * arg) override { get(ctx).add_literal(arg); }
void execute(cmd_context& ctx) override { get(ctx).end_assumption(); }
};

// deleted clause
Expand All @@ -181,23 +160,23 @@ class del_cmd : public cmd {
void finalize(cmd_context & ctx) override {}
void failure_cleanup(cmd_context & ctx) override {}
cmd_arg_kind next_arg_kind(cmd_context & ctx) const override { return CPK_EXPR; }
void set_next_arg(cmd_context & ctx, expr * arg) override { ctx.get_proof_cmds().add_literal(arg); }
void execute(cmd_context& ctx) override { ctx.get_proof_cmds().end_deleted(); }
void set_next_arg(cmd_context & ctx, expr * arg) override { get(ctx).add_literal(arg); }
void execute(cmd_context& ctx) override { get(ctx).end_deleted(); }
};

// learned/redundant clause
class learn_cmd : public cmd {
public:
learn_cmd():cmd("learn") {}
char const* get_usage() const override { return "<expr>+"; }
char const * get_descr(cmd_context& ctx) const override { return "proof command for learned (redundant) clauses"; }
char const* get_descr(cmd_context& ctx) const override { return "proof command for learned (redundant) clauses"; }
unsigned get_arity() const override { return VAR_ARITY; }
void prepare(cmd_context & ctx) override {}
void finalize(cmd_context & ctx) override {}
void failure_cleanup(cmd_context & ctx) override {}
cmd_arg_kind next_arg_kind(cmd_context & ctx) const override { return CPK_EXPR; }
void set_next_arg(cmd_context & ctx, expr * arg) override { ctx.get_proof_cmds().add_literal(arg); }
void execute(cmd_context& ctx) override { ctx.get_proof_cmds().end_learned(); }
void set_next_arg(cmd_context & ctx, expr * arg) override { get(ctx).add_literal(arg); }
void execute(cmd_context& ctx) override { get(ctx).end_learned(); }
};

void install_proof_cmds(cmd_context & ctx) {
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -31,19 +31,6 @@ Module Name:
*/


class proof_cmds {
class imp;
imp* m_imp;
public:
static proof_cmds* mk(ast_manager& m);
proof_cmds(ast_manager& m);
~proof_cmds();
void add_literal(expr* e);
void end_assumption();
void end_learned();
void end_deleted();
};

class cmd_context;
void install_proof_cmds(cmd_context & ctx);

0 comments on commit f65a244

Please sign in to comment.