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mbp (#4741)

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* adding dt-solver

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* dt

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* move mbp to self-contained module

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* files

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* Create CMakeLists.txt

* dt

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* rename to bool_var2expr to indicate type class

* mbp

* na

* add projection

* na

* na

* na

* na

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* deps

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* testing arith/q

* na

* newline for model printing

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-10-21 15:48:40 -07:00 • committed by GitHub
parent e5cc613bf1
commit 72d407a49f
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51 changed files with 903 additions and 618 deletions
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6
src/sat/smt/bv_internalize.cpp
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@ -519,16 +519,14 @@ namespace bv {
expr* arg1 = n->get_arg(0);
expr* arg2 = n->get_arg(1);
if (p.hi_div0()) {
expr_ref eq(m.mk_eq(n, bv.mk_bv_udiv_i(arg1, arg2)), m);
add_unit(b_internalize(eq));
add_unit(eq_internalize(n, bv.mk_bv_udiv_i(arg1, arg2)));
return;
}
unsigned sz = bv.get_bv_size(n);
expr_ref zero(bv.mk_numeral(0, sz), m);
expr_ref eq(m.mk_eq(arg2, zero), m);
expr_ref udiv(m.mk_ite(eq, bv.mk_bv_udiv0(arg1), bv.mk_bv_udiv_i(arg1, arg2)), m);
expr_ref eq2(m.mk_eq(n, udiv), m);
add_unit(b_internalize(eq2));
add_unit(eq_internalize(n, udiv));
}
void solver::internalize_unary(app* n, std::function<void(unsigned, expr* const*, expr_ref_vector&)>& fn) {