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fix sign bug in internalization of literals

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This commit is contained in:
Nikolaj Bjorner 2020-12-14 17:33:14 -08:00
parent 0ef8ebe89f
commit 692bed7991
5 changed files with 30 additions and 17 deletions
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4
src/sat/smt/euf_solver.h
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@ -309,7 +309,9 @@ namespace euf {
expr_ref mk_eq(expr* e1, expr* e2);
expr_ref mk_eq(euf::enode* n1, euf::enode* n2) { return mk_eq(n1->get_expr(), n2->get_expr()); }
euf::enode* mk_enode(expr* e, unsigned n, enode* const* args) { return m_egraph.mk(e, n, args); }
expr* bool_var2expr(sat::bool_var v) { return m_bool_var2expr.get(v, nullptr); }
expr* bool_var2expr(sat::bool_var v) const { return m_bool_var2expr.get(v, nullptr); }
expr_ref literal2expr(sat::literal lit) const { expr* e = bool_var2expr(lit.var()); return lit.sign() ? expr_ref(m.mk_not(e), m) : expr_ref(e, m); }
sat::literal attach_lit(sat::literal lit, expr* e);
void unhandled_function(func_decl* f);
th_rewriter& get_rewriter() { return m_rewriter; }