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This commit is contained in:
Nikolaj Bjorner 2020-11-30 11:57:17 -08:00
parent 3bca1fbcd8
commit 9156e355d8
1 changed files with 16 additions and 7 deletions
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23
src/sat/smt/bv_solver.cpp
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@ -341,10 +341,11 @@ namespace bv {
void solver::log_drat(bv_justification const& c) {
// introduce dummy literal for equality.
sat::literal leq(s().num_vars() + 1, false);
expr_ref eq(m);
if (c.m_kind != bv_justification::kind_t::bit2ne) {
expr* e1 = var2expr(c.m_v1);
expr* e2 = var2expr(c.m_v2);
expr_ref eq(m.mk_eq(e1, e2), m);
eq = m.mk_eq(e1, e2);
ctx.get_drat().def_begin('e', eq->get_id(), std::string("="));
ctx.get_drat().def_add_arg(e1->get_id());
ctx.get_drat().def_add_arg(e2->get_id());
@ -358,13 +359,19 @@ namespace bv {
switch (c.m_kind) {
case bv_justification::kind_t::eq2bit:
++s_count;
std::cout << "eq2bit " << s_count << "\n";
#if 0
// std::cout << "eq2bit " << s_count << "\n";
#if 1
if (s_count == 1899) {
std::cout << "eq2bit " << mk_pp(var2expr(c.m_v1), m) << " == " << mk_pp(var2expr(c.m_v2), m) << "\n";
std::cout << literal2expr(~c.m_antecedent) << "\n";
std::cout << literal2expr(c.m_consequent) << "\n";
INVOKE_DEBUGGER();
std::cout << "eq2bit " << mk_bounded_pp(var2expr(c.m_v1), m) << " == " << mk_bounded_pp(var2expr(c.m_v2), m) << "\n";
std::cout << mk_bounded_pp(literal2expr(~c.m_antecedent), m, 2) << "\n";
std::cout << mk_bounded_pp(literal2expr(c.m_consequent), m, 2) << "\n";
#if 0
solver_ref slv = mk_smt2_solver(m, ctx.s().params());
slv->assert_expr(eq);
slv->assert_expr(literal2expr(c.m_antecedent));
slv->assert_expr(literal2expr(~c.m_consequent));
slv->display(std::cout) << "(check-sat)\n";
#endif
}
#endif
lits.push_back(~leq);
@ -772,6 +779,8 @@ namespace bv {
}
sat::justification solver::mk_eq2bit_justification(theory_var v1, theory_var v2, sat::literal c, sat::literal a) {
if (v1 == 3202 && v2 == 3404) std::cout << a << " -> " << c << "\n";
SASSERT(!(v1 == 3202 && v2 == 3404 && c.var() == 8691));
void* mem = get_region().allocate(bv_justification::get_obj_size());
sat::constraint_base::initialize(mem, this);
auto* constraint = new (sat::constraint_base::ptr2mem(mem)) bv_justification(v1, v2, c, a);