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fix #2873

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-01-22 11:08:44 -06:00
parent da2f5cc362
commit 05da2508bf
4 changed files with 9 additions and 8 deletions
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6
src/tactic/core/solve_eqs_tactic.cpp
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@ -586,7 +586,9 @@ class solve_eqs_tactic : public tactic {
bool check_eq_compat_rec(expr_mark& occ, svector<lbool>& cache, expr* f, expr* v, expr* eq, bool& all) {
expr_ref_vector args(m());
expr* f1 = nullptr;
if (!occ.is_marked(f)) {
// flattening may introduce fresh negations,
// occ is not defined on these negations
if (!m().is_not(f) && !occ.is_marked(f)) {
all = false;
return true;
}
@ -682,7 +684,7 @@ class solve_eqs_tactic : public tactic {
hoist_rewriter_star rw(m());
th_rewriter thrw(m());
expr_ref tmp(m()), tmp2(m());
TRACE("solve_eqs", g.display(tout););
// TRACE("solve_eqs", g.display(tout););
for (unsigned idx = 0; idx < size; idx++) {
checkpoint();
if (g.is_decided_unsat()) break;

1
src/tactic/smtlogics/qfbv_tactic.cpp
View file

@ -124,7 +124,6 @@ tactic * mk_qfbv_tactic(ast_manager & m, params_ref const & p) {
tactic * new_sat = cond(mk_produce_proofs_probe(),
and_then(mk_simplify_tactic(m), mk_smt_tactic(m)),
mk_psat_tactic(m, p));
return mk_qfbv_tactic(m, p, new_sat, mk_smt_tactic(m, p));
}