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fix #1864

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-10-06 08:06:51 -07:00
parent 99339798ee
commit 44a0dbbc61
3 changed files with 18 additions and 2 deletions
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16
src/api/java/Context.java
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@ -1976,6 +1976,22 @@ public class Context implements AutoCloseable {
{ {
return (SeqExpr) Expr.create(this, Native.mkString(nCtx(), s)); return (SeqExpr) Expr.create(this, Native.mkString(nCtx(), s));
} }
/**
* Convert an integer expression to a string.
*/
public SeqExpr intToString(Expr e)
{
return (SeqExpr) Expr.create(this, Native.Z3_mkIntToStr(nCtx(), e.getNativeObject()));
}
/**
* Convert an integer expression to a string.
*/
public IntExpr stringToInt(Expr e)
{
return (IntExpr) Expr.create(this, Native.mkStrToInt(nCtx(), e.getNativeObject()));
}
/** /**
* Concatenate sequences. * Concatenate sequences.

2
src/opt/opt_context.cpp
View file

@ -292,7 +292,7 @@ namespace opt {
model_updated(m_model.get()); model_updated(m_model.get());
} }
if (is_sat != l_true) { if (is_sat != l_true) {
TRACE("opt", tout << m_hard_constraints << "\n";); TRACE("opt", tout << m_hard_constraints << " " << asms << "\n";);
if (!asms.empty()) { if (!asms.empty()) {
s.get_unsat_core(m_core); s.get_unsat_core(m_core);
} }

2
src/smt/theory_lra.cpp
View file

@ -1412,7 +1412,7 @@ public:
} }
final_check_status final_check_eh() { final_check_status final_check_eh() {
IF_VERBOSE(2, verbose_stream() << "final-check\n"); IF_VERBOSE(2, verbose_stream() << "final-check " << m_solver->get_status() << "\n");
m_use_nra_model = false; m_use_nra_model = false;
lbool is_sat = l_true; lbool is_sat = l_true;
if (m_solver->get_status() != lp::lp_status::OPTIMAL) { if (m_solver->get_status() != lp::lp_status::OPTIMAL) {