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user solver (#4709)

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* user solver

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-09-24 04:55:34 -07:00 • committed by GitHub
parent 7c2bdfe3fb
commit 43db7df2b5
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GPG key ID: 4AEE18F83AFDEB23
19 changed files with 420 additions and 41 deletions
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24
src/sat/smt/euf_solver.cpp
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@ -33,7 +33,6 @@ namespace euf {
m_trail(*this),
m_rewriter(m),
m_unhandled_functions(m),
m_solver(nullptr),
m_lookahead(nullptr),
m_to_m(&m),
m_to_si(&si),
@ -670,4 +669,27 @@ namespace euf {
return true;
}
void solver::user_propagate_init(
void* ctx,
::solver::push_eh_t& push_eh,
::solver::pop_eh_t& pop_eh,
::solver::fresh_eh_t& fresh_eh) {
m_user_propagator = alloc(user::solver, *this);
m_user_propagator->add(ctx, push_eh, pop_eh, fresh_eh);
for (unsigned i = m_scopes.size(); i-- > 0; )
m_user_propagator->push();
m_solvers.push_back(m_user_propagator);
m_id2solver.setx(m_user_propagator->get_id(), m_user_propagator, nullptr);
}
bool solver::watches_fixed(enode* n) const {
return m_user_propagator && m_user_propagator->has_fixed() && n->get_th_var(m_user_propagator->get_id()) != null_theory_var;
}
void solver::assign_fixed(enode* n, expr* val, unsigned sz, literal const* explain) {
theory_var v = n->get_th_var(m_user_propagator->get_id());
m_user_propagator->new_fixed_eh(v, val, sz, explain);
}
}