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Merge branch 'master' of https://github.com/Z3Prover/z3

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Nikolaj Bjorner 2016-10-18 22:37:08 -04:00
commit 3aa7eab3e2
1 changed files with 208 additions and 199 deletions
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17
src/smt/theory_arith_nl.h
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@ -965,10 +965,19 @@ namespace smt {
bool theory_arith<Ext>::propagate_linear_monomials() { bool theory_arith<Ext>::propagate_linear_monomials() {
TRACE("non_linear", tout << "propagating linear monomials...\n";); TRACE("non_linear", tout << "propagating linear monomials...\n";);
bool p = false; bool p = false;
svector<theory_var>::const_iterator it = m_nl_monomials.begin(); // CMW: m_nl_monomials is sometimes modified while executing
svector<theory_var>::const_iterator end = m_nl_monomials.end(); // propagate_linear_monomial(...), invalidating the iterator `it'.
for (; it != end; ++it) { // (Via the relevancy propagation that internalizes a new axiom
theory_var v = *it; // in mk_div_axiom and possibly others.) I'm replacing the iterator
// with an index `i'.
// Was previously:
// svector<theory_var>::const_iterator it = m_nl_monomials.begin();
// svector<theory_var>::const_iterator end = m_nl_monomials.end();
// for (; it != end; ++it) {
// theory_var v = *it;
for (unsigned i = 0; i < m_nl_monomials.size(); i++) {
theory_var v = m_nl_monomials[i];
if (propagate_linear_monomial(v)) if (propagate_linear_monomial(v))
p = true; p = true;
} }