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prepare term-graph for cc

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-06-09 14:50:46 -07:00 • committed by Arie Gurfinkel
parent 14696f03f7
commit d26609ebdd
6 changed files with 193 additions and 96 deletions
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16
src/qe/qe_mbi.cpp
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@ -49,8 +49,8 @@ namespace qe {
if (m.is_true(mdl->get_const_interp(c))) {
lits.push_back(m.mk_const(c));
}
else {
lits.push_back(m.mk_not(m.mk_const(c)));
else if (m.is_false(mdl->get_const_interp(c))) {
lits.push_back(m.mk_const(c));
}
}
}
@ -105,10 +105,8 @@ namespace qe {
/** --------------------------------------------------------------
* ping-pong interpolation of Gurfinkel & Vizel
* compute a binary interpolant.
* TBD: also implement the one-sided versions that create clausal interpolants.
*/
lbool interpolator::binary(mbi_plugin& a, mbi_plugin& b, func_decl_ref_vector const& vars, expr_ref& itp) {
ast_manager& m = vars.get_manager();
lbool interpolator::pingpong(mbi_plugin& a, mbi_plugin& b, func_decl_ref_vector const& vars, expr_ref& itp) {
model_ref mdl;
expr_ref_vector lits(m);
bool turn = true;
@ -156,4 +154,12 @@ namespace qe {
last_res = next_res;
}
}
/**
* TBD: also implement the one-sided versions that create clausal interpolants.
*/
lbool interpolator::pogo(mbi_plugin& a, mbi_plugin& b, func_decl_ref_vector const& vars, expr_ref& itp) {
NOT_IMPLEMENTED_YET();
return l_undef;
}
};