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spacer: prepare to use incremental clause smt_solver interface

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This commit is contained in:
Arie Gurfinkel 2018-05-28 18:28:59 -07:00
parent c3edf8c8fa
commit 723e96175b
4 changed files with 45 additions and 20 deletions
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12
src/muz/spacer/spacer_prop_solver.cpp
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@ -347,9 +347,13 @@ lbool prop_solver::internal_check_assumptions(
lbool prop_solver::check_assumptions(const expr_ref_vector & _hard,
expr_ref_vector& soft,
const expr_ref_vector &clause,
unsigned num_bg, expr * const * bg,
unsigned solver_id)
{
expr_ref cls(m);
// XXX now clause is only supported when pushing is enabled
SASSERT(clause.empty() || !m_use_push_bg);
// current clients expect that flattening of HARD is
// done implicitly during check_assumptions
expr_ref_vector hard(m);
@ -360,7 +364,13 @@ lbool prop_solver::check_assumptions(const expr_ref_vector & _hard,
// can be disabled if use_push_bg == true
// solver::scoped_push _s_(*m_ctx);
if (!m_use_push_bg) { m_ctx->push(); }
if (!m_use_push_bg) {
m_ctx->push();
if (!clause.empty()) {
cls = mk_or(clause);
m_ctx->assert_expr(cls);
}
}
iuc_solver::scoped_bg _b_(*m_ctx);
for (unsigned i = 0; i < num_bg; ++i)