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fix #3557

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-03 16:37:59 -07:00
parent 0b856638e9
commit 426e4cc75c
65 changed files with 135 additions and 146 deletions
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7
src/smt/theory_bv.cpp
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@ -1862,7 +1862,10 @@ namespace smt {
literal l = lits[i];
if (l.var() == true_bool_var) {
unsigned is_true = (l == true_literal);
SASSERT(!bits[!is_true][i]); // no complementary bits
if (bits[!is_true][i]) {
// expect a conflict later on.
return true;
}
if (!bits[is_true][i]) {
bits[is_true][i] = true;
num_bits++;
@ -1888,6 +1891,8 @@ namespace smt {
}
bool theory_bv::check_invariant() {
if (get_manager().limit().get_cancel_flag())
return true;
if (get_context().inconsistent())
return true;
unsigned num = get_num_vars();