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merge

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-05-28 10:32:38 -07:00
parent 4aa1e60daa
commit 6d17c656bd
4 changed files with 14 additions and 24 deletions
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11
src/smt/theory_str_regex.cpp
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@ -36,14 +36,11 @@ namespace smt {
if (a == UINT_MAX || b == UINT_MAX) {
return UINT_MAX;
}
if (a == 0 || b == 0) {
return 0;
}
unsigned result = a * b;
if (result < a || result < b) {
uint64_t result = static_cast<uint64_t>(a) * static_cast<uint64_t>(b);
if (result > UINT_MAX) {
return UINT_MAX;
}
return result;
return static_cast<unsigned>(result);
}
// Returns false if we need to give up solving, e.g. because we found symbolic expressions in an automaton.
@ -207,7 +204,7 @@ namespace smt {
continue;
} else {
// fixed-length model construction handles path constraints on our behalf, and with a better reduction
return;
return false;
}
} else {
// no automata available, or else all bounds assumptions are invalid