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fix #1694

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-06-20 17:35:41 -07:00
parent 8241ba784d
commit 19e2f8c9d5
3 changed files with 48 additions and 18 deletions
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10
src/qe/nlqsat.cpp
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@ -646,12 +646,8 @@ namespace qe {
while (!vars.empty());
SASSERT(qvars.size() >= 2);
SASSERT(qvars.back().empty());
ackermanize_div(is_forall, qvars, fml);
init_expr2var(qvars);
goal2nlsat g2s;
expr_ref is_true(m), fml1(m), fml2(m);
@ -672,9 +668,7 @@ namespace qe {
m_bound_rvars.push_back(nlsat::var_vector());
max_level lvl;
if (is_exists(i)) lvl.m_ex = i; else lvl.m_fa = i;
for (unsigned j = 0; j < qvars[i].size(); ++j) {
app* v = qvars[i][j].get();
for (app* v : qvars[i]) {
if (m_a2b.is_var(v)) {
SASSERT(m.is_bool(v));
nlsat::bool_var b = m_a2b.to_var(v);
@ -696,7 +690,7 @@ namespace qe {
m_is_true = nlsat::literal(m_a2b.to_var(is_true), false);
// insert literals from arithmetical sub-formulas
nlsat::atom_vector const& atoms = m_solver.get_atoms();
TRACE("qe", m_solver.display(tout); );
TRACE("qe", m_solver.display(tout););
for (unsigned i = 0; i < atoms.size(); ++i) {
if (atoms[i]) {
get_level(nlsat::literal(i, false));