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debugging mbi

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-06-11 21:22:53 -07:00 • committed by Arie Gurfinkel
parent e0aaf4452b
commit ba504e4243
4 changed files with 82 additions and 17 deletions
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54
src/cmd_context/extra_cmds/dbg_cmds.cpp
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@ -29,6 +29,7 @@ Notes:
#include "tactic/arith/bound_manager.h"
#include "ast/used_vars.h"
#include "ast/rewriter/var_subst.h"
#include "ast/ast_util.h"
#include "util/gparams.h"
#include "qe/qe_mbp.h"
#include "qe/qe_mbi.h"
@ -437,7 +438,58 @@ public:
lbool res = mbi.pingpong(pA, pB, vars, itp);
ctx.regular_stream() << res << " " << itp << "\n";
}
};
class eufi_cmd : public cmd {
expr* m_a;
expr* m_b;
ptr_vector<func_decl> m_vars;
public:
eufi_cmd():cmd("eufi") {}
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(m);
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);
solver_ref sNotA = sf(m, p, false /* no proofs */, true, true, symbol::null);
solver_ref sNotB = sf(m, p, false /* no proofs */, true, true, symbol::null);
sA->assert_expr(a);
sNotA->assert_expr(m.mk_not(a));
sB->assert_expr(b);
sNotB->assert_expr(m.mk_not(b));
qe::euf_mbi_plugin pA(sA.get(), sNotA.get());
qe::euf_mbi_plugin pB(sB.get(), sNotB.get());
lbool res = mbi.pogo(pA, pB, vars, itp);
ctx.regular_stream() << res << " " << itp << "\n";
}
};
@ -468,6 +520,7 @@ public:
expr_ref_vector lits(m);
for (func_decl* v : m_vars) vars.push_back(v);
for (expr* e : m_lits) lits.push_back(e);
flatten_and(lits);
qe::term_graph tg(m);
tg.add_lits(lits);
expr_ref_vector p = tg.project(vars, false);
@ -504,4 +557,5 @@ void install_dbg_cmds(cmd_context & ctx) {
ctx.insert(alloc(mbp_cmd));
ctx.insert(alloc(mbi_cmd));
ctx.insert(alloc(euf_project_cmd));
ctx.insert(alloc(eufi_cmd));
}