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fix if-lifting, added light-weight FM to qe_lite

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2012-11-04 08:40:16 +02:00
parent 4f2b7049ab
commit 927dc2e490
7 changed files with 394 additions and 360 deletions
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8
src/muz_qe/pdr_context.cpp
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@ -472,10 +472,7 @@ namespace pdr {
th_rewriter rw(m);
rw(m_transition);
rw(m_initial_state);
if (ctx.is_dl()) {
hoist_non_bool_if(m_transition);
hoist_non_bool_if(m_initial_state);
}
m_solver.add_formula(m_transition);
m_solver.add_level_formula(m_initial_state, 0);
TRACE("pdr",
@ -578,6 +575,9 @@ namespace pdr {
expr_ref fml = pm.mk_and(conj);
th_rewriter rw(m);
rw(fml);
if (ctx.is_dl()) {
hoist_non_bool_if(fml);
}
TRACE("pdr", tout << mk_pp(fml, m) << "\n";);
SASSERT(is_ground(fml));
if (m.is_false(fml)) {