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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-01-19 17:56:43 -08:00
commit 13099b1590
87 changed files with 2187 additions and 4479 deletions

View file

@ -261,10 +261,11 @@ namespace smt {
m_assignment[false_literal.index()] = l_false;
if (m_manager.proofs_enabled()) {
proof * pr = m_manager.mk_true_proof();
m_bdata[true_bool_var].m_justification = b_justification(mk_justification(justification_proof_wrapper(*this, pr)));
set_justification(true_bool_var, m_bdata[true_bool_var], b_justification(mk_justification(justification_proof_wrapper(*this, pr))));
}
else {
m_bdata[true_bool_var].m_justification = b_justification::mk_axiom();
m_bdata[true_bool_var].set_axiom();
}
m_true_enode = mk_enode(t, true, true, false);
// internalizer is marking enodes as interpreted whenever the associated ast is a value and a constant.
@ -292,6 +293,12 @@ namespace smt {
std::swap(lhs, rhs);
return m_manager.mk_eq(lhs, rhs);
}
void context::set_justification(bool_var v, bool_var_data& d, b_justification const& j) {
SASSERT(validate_justification(v, d, j));
d.set_justification(j);
}
void context::assign_core(literal l, b_justification j, bool decision) {
TRACE("assign_core", tout << (decision?"decision: ":"propagating: ") << l << " ";
@ -302,7 +309,7 @@ namespace smt {
m_assignment[l.index()] = l_true;
m_assignment[(~l).index()] = l_false;
bool_var_data & d = get_bdata(l.var());
d.m_justification = j;
set_justification(l.var(), d, j);
d.m_scope_lvl = m_scope_lvl;
if (m_fparams.m_restart_adaptive && d.m_phase_available) {
m_agility *= m_fparams.m_agility_factor;
@ -1406,7 +1413,8 @@ namespace smt {
else {
TRACE("add_diseq", display_eq_detail(tout, bool_var2enode(v)););
if (!add_diseq(get_enode(lhs), get_enode(rhs)) && !inconsistent()) {
set_conflict(b_justification(mk_justification(eq_propagation_justification(get_enode(lhs), get_enode(rhs)))), ~l);
literal n_eq = literal(l.var(), true);
set_conflict(b_justification(mk_justification(eq_propagation_justification(get_enode(lhs), get_enode(rhs)))), n_eq);
}
}
}
@ -1787,6 +1795,7 @@ namespace smt {
void context::set_conflict(b_justification js, literal not_l) {
if (!inconsistent()) {
TRACE("set_conflict", display_literal_verbose(tout, not_l); display(tout, js); );
m_conflict = js;
m_not_l = not_l;
}
@ -2042,7 +2051,7 @@ namespace smt {
m_assignment[(~l).index()] = l_undef;
bool_var v = l.var();
bool_var_data & d = get_bdata(v);
d.m_justification = null_b_justification;
d.set_null_justification();
m_case_split_queue->unassign_var_eh(v);
}
@ -2593,10 +2602,10 @@ namespace smt {
cls->set_justification(0);
m_justifications.push_back(js);
}
m_bdata[v0].m_justification = b_justification(js);
set_justification(v0, m_bdata[v0], b_justification(js));
}
else
m_bdata[v0].m_justification = b_justification::mk_axiom();
m_bdata[v0].set_axiom();
}
}
del_clause(cls);