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resurrect Booelan decisions to deal with quot-rem and similar axioms

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2022-01-27 14:26:41 -08:00
parent be790b8892
commit ff4b471f93
4 changed files with 30 additions and 21 deletions
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7
src/math/polysat/boolean.cpp
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@ -40,7 +40,6 @@ namespace polysat {
SASSERT_EQ(m_clause[var], nullptr);
SASSERT_EQ(m_deps[var], null_dependency);
}
m_free_vars.mk_var_eh(var);
return var;
}
@ -72,6 +71,12 @@ namespace polysat {
SASSERT(is_decision(lit));
}
void bool_var_manager::decide(sat::literal lit, unsigned lvl) {
LOG("Decide literal " << lit << " @ " << lvl);
assign(kind_t::decision, lit, lvl, nullptr);
SASSERT(is_decision(lit));
}
void bool_var_manager::eval(sat::literal lit, unsigned lvl) {
LOG("Eval literal " << lit << " @ " << lvl);
assign(kind_t::propagation, lit, lvl, nullptr);