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fix #4090 fix #4088 fix #4085

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-24 10:37:43 -07:00
parent 470e87afe9
commit c3b33aae8a
3 changed files with 9 additions and 9 deletions
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2
src/smt/mam.cpp
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@ -1367,6 +1367,8 @@ namespace {
*/
bool is_semi_compatible(check * instr) const {
unsigned reg = instr->m_reg;
if (instr->m_enode && !instr->m_enode->has_lbl_hash())
instr->m_enode->set_lbl_hash(m_context);
return
m_registers[reg] != 0 &&
// if the register was already checked by another filter, then it doesn't make sense