mirror of
https://github.com/Z3Prover/z3
synced 2025-06-03 04:41:21 +00:00
moving parameters to theory_pb
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
parent
4027de42f6
commit
c5b82796ca
15 changed files with 159 additions and 162 deletions
|
@ -816,20 +816,23 @@ namespace smt {
|
|||
return true;
|
||||
}
|
||||
|
||||
theory_pb::theory_pb(ast_manager& m):
|
||||
theory_pb::theory_pb(ast_manager& m, theory_pb_params& p):
|
||||
theory(m.mk_family_id("pb")),
|
||||
m_params(p),
|
||||
m_util(m),
|
||||
m_lemma(null_literal),
|
||||
m_learn_complements(false),
|
||||
m_conflict_frequency(0xF)
|
||||
{}
|
||||
m_lemma(null_literal)
|
||||
{
|
||||
m_learn_complements = p.m_pb_learn_complements;
|
||||
m_conflict_frequency = p.m_pb_conflict_frequency;
|
||||
m_enable_compilation = p.m_pb_enable_compilation;
|
||||
}
|
||||
|
||||
theory_pb::~theory_pb() {
|
||||
reset_eh();
|
||||
}
|
||||
|
||||
theory * theory_pb::mk_fresh(context * new_ctx) {
|
||||
return alloc(theory_pb, new_ctx->get_manager());
|
||||
return alloc(theory_pb, new_ctx->get_manager(), m_params);
|
||||
}
|
||||
|
||||
bool theory_pb::internalize_atom(app * atom, bool gate_ctx) {
|
||||
|
@ -910,20 +913,21 @@ namespace smt {
|
|||
|
||||
|
||||
// pre-compile threshold for cardinality
|
||||
bool is_cardinality = true;
|
||||
for (unsigned i = 0; is_cardinality && i < args.size(); ++i) {
|
||||
is_cardinality = (args[i].second < rational(8));
|
||||
bool enable_compile = m_enable_compilation;
|
||||
for (unsigned i = 0; enable_compile && i < args.size(); ++i) {
|
||||
enable_compile = (args[i].second < rational(8));
|
||||
}
|
||||
if (is_cardinality) {
|
||||
if (enable_compile) {
|
||||
unsigned log = 1, n = 1;
|
||||
while (n <= args.size()) {
|
||||
++log;
|
||||
n *= 2;
|
||||
}
|
||||
unsigned th = 10*args.size()*log;
|
||||
unsigned th = args.size()*log; // 10*
|
||||
c->m_compilation_threshold = th;
|
||||
IF_VERBOSE(2, verbose_stream() << "(smt.pb setting compilation threhshold to " << th << ")\n";);
|
||||
TRACE("pb", tout << "compilation threshold: " << th << "\n";);
|
||||
}
|
||||
}
|
||||
else {
|
||||
c->m_compilation_threshold = UINT_MAX;
|
||||
}
|
||||
|
@ -1429,6 +1433,14 @@ namespace smt {
|
|||
literal_vector in;
|
||||
for (unsigned i = 0; i < num_args; ++i) {
|
||||
rational n = c.coeff(i);
|
||||
lbool val = ctx.get_assignment(c.lit());
|
||||
if (val != l_undef &&
|
||||
ctx.get_assign_level(thl) == ctx.get_base_level()) {
|
||||
if (val == l_true) {
|
||||
k -= n.get_unsigned();
|
||||
}
|
||||
continue;
|
||||
}
|
||||
while (n.is_pos()) {
|
||||
in.push_back(c.lit(i));
|
||||
n -= rational::one();
|
||||
|
@ -1765,7 +1777,7 @@ namespace smt {
|
|||
// same order as the assignment stack.
|
||||
// It is not a correctness bug but causes to miss lemmas.
|
||||
//
|
||||
IF_VERBOSE(1, display_resolved_lemma(verbose_stream()););
|
||||
IF_VERBOSE(2, display_resolved_lemma(verbose_stream()););
|
||||
TRACE("pb", display_resolved_lemma(tout););
|
||||
return false;
|
||||
}
|
||||
|
@ -1851,12 +1863,12 @@ namespace smt {
|
|||
// 3x + 3y + z + u >= 4
|
||||
// ~x /\ ~y => z + u >=
|
||||
|
||||
IF_VERBOSE(2, display(verbose_stream() << "lemma1: ", m_lemma););
|
||||
IF_VERBOSE(4, display(verbose_stream() << "lemma1: ", m_lemma););
|
||||
hoist_maximal_values();
|
||||
lbool is_true = m_lemma.normalize();
|
||||
m_lemma.prune();
|
||||
|
||||
IF_VERBOSE(2, display(verbose_stream() << "lemma2: ", m_lemma););
|
||||
IF_VERBOSE(4, display(verbose_stream() << "lemma2: ", m_lemma););
|
||||
switch(is_true) {
|
||||
case l_true:
|
||||
UNREACHABLE();
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue