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Merge branch 'master' of https://github.com/Z3Prover/z3

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This commit is contained in:
Nikolaj Bjorner 2017-02-02 10:19:21 -08:00
commit bd0bd6052a
5 changed files with 23 additions and 15 deletions
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1
src/sat/sat_simplifier.cpp
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@ -154,7 +154,6 @@ namespace sat {
if (!m_subsumption && !m_elim_blocked_clauses && !m_resolution)
return;
initialize();
CASSERT("sat_solver", s.check_invariant());

9
src/sat/sat_solver.cpp
View file

@ -84,7 +84,7 @@ namespace sat {
VERIFY(v == mk_var(ext, dvar));
}
}
unsigned sz = src.scope_lvl() == 0 ? src.m_trail.size() : src.m_scopes[0].m_trail_lim;
unsigned sz = src.init_trail_size();
for (unsigned i = 0; i < sz; ++i) {
assign(src.m_trail[i], justification());
}
@ -774,7 +774,6 @@ namespace sat {
restart();
simplify_problem();
exchange_par();
if (check_inconsistent()) return l_false;
gc();
@ -890,9 +889,8 @@ namespace sat {
*/
void solver::exchange_par() {
if (m_par && scope_lvl() == 0) {
unsigned sz = scope_lvl() == 0 ? m_trail.size() : m_scopes[0].m_trail_lim;
unsigned sz = init_trail_size();
unsigned num_in = 0, num_out = 0;
SASSERT(scope_lvl() == 0); // parallel with assumptions is TBD
literal_vector in, out;
for (unsigned i = m_par_limit_out; i < sz; ++i) {
literal lit = m_trail[i];
@ -2544,6 +2542,7 @@ namespace sat {
void solver::pop_reinit(unsigned num_scopes) {
pop(num_scopes);
exchange_par();
reinit_assumptions();
}
@ -2863,7 +2862,7 @@ namespace sat {
}
void solver::display_units(std::ostream & out) const {
unsigned end = scope_lvl() == 0 ? m_trail.size() : m_scopes[0].m_trail_lim;
unsigned end = init_trail_size();
for (unsigned i = 0; i < end; i++) {
out << m_trail[i] << " ";
}

1
src/sat/sat_solver.h
View file

@ -223,6 +223,7 @@ namespace sat {
lbool value(bool_var v) const { return static_cast<lbool>(m_assignment[literal(v, false).index()]); }
unsigned lvl(bool_var v) const { return m_level[v]; }
unsigned lvl(literal l) const { return m_level[l.var()]; }
unsigned init_trail_size() const { return scope_lvl() == 0 ? m_trail.size() : m_scopes[0].m_trail_lim; }
void assign(literal l, justification j) {
TRACE("sat_assign", tout << l << " previous value: " << value(l) << "\n";);
switch (value(l)) {