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working on mbi

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-06-09 09:55:32 -07:00 • committed by Arie Gurfinkel
parent e6468726f5
commit 688cf79619
6 changed files with 184 additions and 44 deletions
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50
src/cmd_context/extra_cmds/dbg_cmds.cpp
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@ -31,6 +31,7 @@ Notes:
#include "ast/rewriter/var_subst.h"
#include "util/gparams.h"
#include "qe/qe_mbp.h"
#include "qe/qe_mbi.h"
BINARY_SYM_CMD(get_quantifier_body_cmd,
@ -358,7 +359,7 @@ class mbp_cmd : public cmd {
ptr_vector<expr> m_vars;
public:
mbp_cmd():cmd("mbp") {}
char const * get_usage() const override { return "<expr>"; }
char const * get_usage() const override { return "<expr> (<vars>)"; }
char const * get_descr(cmd_context & ctx) const override { return "perform model based projection"; }
unsigned get_arity() const override { return 2; }
cmd_arg_kind next_arg_kind(cmd_context& ctx) const override {
@ -390,6 +391,52 @@ public:
}
};
class mbi_cmd : public cmd {
expr* m_a;
expr* m_b;
ptr_vector<func_decl> m_vars;
public:
mbi_cmd():cmd("mbi") {}
char const * get_usage() const override { return "<expr> <expr> (vars)"; }
char const * get_descr(cmd_context & ctx) const override { return "perform model based interpolation"; }
unsigned get_arity() const override { return 3; }
cmd_arg_kind next_arg_kind(cmd_context& ctx) const override {
if (m_a == nullptr) return CPK_EXPR;
if (m_b == nullptr) return CPK_EXPR;
return CPK_FUNC_DECL_LIST;
}
void set_next_arg(cmd_context& ctx, expr * arg) override {
if (m_a == nullptr)
m_a = arg;
else
m_b = arg;
}
void set_next_arg(cmd_context & ctx, unsigned num, func_decl * const * ts) override {
m_vars.append(num, ts);
}
void prepare(cmd_context & ctx) override { m_a = nullptr; m_b = nullptr; m_vars.reset(); }
void execute(cmd_context & ctx) override {
ast_manager& m = ctx.m();
func_decl_ref_vector vars(m);
for (func_decl* v : m_vars) {
vars.push_back(v);
}
qe::interpolator mbi;
expr_ref a(m_a, m);
expr_ref b(m_b, m);
expr_ref itp(m);
solver_factory& sf = ctx.get_solver_factory();
params_ref p;
solver_ref sA = sf(m, p, false /* no proofs */, true, true, symbol::null);
solver_ref sB = sf(m, p, false /* no proofs */, true, true, symbol::null);
qe::prop_mbi_plugin pA(sA.get());
qe::prop_mbi_plugin pB(sB.get());
lbool res = mbi.binary(pA, pB, vars, itp);
ctx.regular_stream() << res << " " << itp << "\n";
}
};
void install_dbg_cmds(cmd_context & ctx) {
ctx.insert(alloc(print_dimacs_cmd));
@ -416,4 +463,5 @@ void install_dbg_cmds(cmd_context & ctx) {
ctx.insert(alloc(instantiate_nested_cmd));
ctx.insert(alloc(set_next_id));
ctx.insert(alloc(mbp_cmd));
ctx.insert(alloc(mbi_cmd));
}