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fix detection of arithmetic operations

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-02-20 14:00:05 +01:00
parent cc216f8cc3
commit 3548057bd1
5 changed files with 28 additions and 15 deletions
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5
src/sat/tactic/sat_tactic.cpp
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@ -65,6 +65,7 @@ class sat_tactic : public tactic {
TRACE("sat_dimacs", m_solver->display_dimacs(tout););
dep2assumptions(dep2asm, assumptions);
lbool r = m_solver->check(assumptions.size(), assumptions.c_ptr());
TRACE("sat", tout << "result of checking: " << r << " " << m_solver->get_reason_unknown() << "\n";);
if (r == l_false) {
expr_dependency * lcore = nullptr;
if (produce_core) {
@ -198,6 +199,10 @@ public:
proc.m_solver->collect_statistics(m_stats);
throw tactic_exception(ex.msg());
}
catch (z3_exception& ex) {
TRACE("sat", tout << ex.msg() << "\n";);
throw;
}
TRACE("sat_stats", m_stats.display_smt2(tout););
}