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fix #2114 introduced while working on #2095

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-01-29 08:18:03 -08:00
parent 4f988595c7
commit 58f5531cff
3 changed files with 72 additions and 61 deletions
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7
src/solver/solver.cpp
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@ -338,8 +338,11 @@ lbool solver::check_sat(unsigned num_assumptions, expr * const * assumptions) {
}
void solver::dump_state(unsigned sz, expr* const* assumptions) {
std::string file = m_cancel_backup_file.str();
if (file != "") {
if ((symbol::null != m_cancel_backup_file) &&
!m_cancel_backup_file.is_numerical() &&
m_cancel_backup_file.c_ptr() &&
m_cancel_backup_file.bare_str()[0]) {
std::string file = m_cancel_backup_file.str();
std::ofstream ous(file);
display(ous, sz, assumptions);
}