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fix #5579 -

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It is only possible to reach this case when new assertions are created.
This commit is contained in:
Nikolaj Bjorner 2021-09-30 09:32:04 -07:00
parent cbe7dd4a48
commit 8a85cfdb12
1 changed files with 2 additions and 4 deletions
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6
src/smt/theory_special_relations.cpp
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@ -325,14 +325,12 @@ namespace smt {
); );
continue; continue;
} }
expr_ref f_app(m.mk_app(f, arg1, arg2), m); expr_ref f_app(m.mk_app(f, arg1, arg2), m);
ensure_enode(f_app); ensure_enode(f_app);
literal f_lit = ctx.get_literal(f_app); literal f_lit = ctx.get_literal(f_app);
switch (ctx.get_assignment(f_lit)) { switch (ctx.get_assignment(f_lit)) {
case l_true: case l_true:
UNREACHABLE(); SASSERT(new_assertion);
// it should already be the case that v1 and reach v2 in the graph.
// whenever f(n1, n2) is asserted.
break; break;
case l_false: { case l_false: {
// //