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fix #425 and report from Patrick Trentin of same bug in preprocessing soft constraints that are simplified to true/false

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-02-04 22:35:02 +00:00
parent 768bb84798
commit 2a65503235
3 changed files with 7 additions and 4 deletions
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2
src/smt/theory_bv.cpp
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@ -471,12 +471,12 @@ namespace smt {
if (get_enode(v)->get_root() != get_enode(v2)->get_root()) {
SASSERT(get_bv_size(v) == get_bv_size(v2));
context & ctx = get_context();
justification * js = ctx.mk_justification(fixed_eq_justification(*this, v, v2));
TRACE("fixed_var_eh", tout << "detected equality: v" << v << " = v" << v2 << "\n";
display_var(tout, v);
display_var(tout, v2););
m_stats.m_num_th2core_eq++;
add_fixed_eq(v, v2);
justification * js = ctx.mk_justification(fixed_eq_justification(*this, v, v2));
ctx.assign_eq(get_enode(v), get_enode(v2), eq_justification(js));
m_fixed_var_table.insert(key, v2);
}