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fix #1006

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-10-09 21:47:43 -07:00
parent fd1974845b
commit ecba7b3cde
3 changed files with 54 additions and 5 deletions
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33
src/api/api_solver.cpp
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@ -103,13 +103,23 @@ extern "C" {
m_out.flush();
}
solver2smt2_pp::solver2smt2_pp(ast_manager& m, char const* file): m_pp_util(m), m_out(file), m_tracked(m) {
solver2smt2_pp::solver2smt2_pp(ast_manager& m, char const* file):
m_pp_util(m), m_out(file), m_tracked(m) {
if (!m_out) {
throw default_exception("could not open " + std::string(file) + " for output");
}
}
void Z3_solver_ref::set_eh(event_handler* eh) {
std::lock_guard<std::mutex> lock(m_mux);
m_eh = eh;
}
void Z3_solver_ref::set_cancel() {
std::lock_guard<std::mutex> lock(m_mux);
if (m_eh) (*m_eh)(API_INTERRUPT_EH_CALLER);
}
void Z3_solver_ref::assert_expr(expr * e) {
if (m_pp) m_pp->assert_expr(e);
m_solver->assert_expr(e);
@ -386,6 +396,10 @@ extern "C" {
Z3_CATCH;
}
void Z3_API Z3_solver_interrupt(Z3_context c, Z3_solver s) {
to_solver(s)->set_cancel();
}
void Z3_API Z3_solver_pop(Z3_context c, Z3_solver s, unsigned n) {
Z3_TRY;
LOG_Z3_solver_pop(c, s, n);
@ -538,6 +552,7 @@ extern "C" {
unsigned rlimit = to_solver(s)->m_params.get_uint("rlimit", mk_c(c)->get_rlimit());
bool use_ctrl_c = to_solver(s)->m_params.get_bool("ctrl_c", true);
cancel_eh<reslimit> eh(mk_c(c)->m().limit());
to_solver(s)->set_eh(&eh);
api::context::set_interruptable si(*(mk_c(c)), eh);
lbool result;
{
@ -550,12 +565,16 @@ extern "C" {
}
catch (z3_exception & ex) {
to_solver_ref(s)->set_reason_unknown(eh);
to_solver(s)->set_eh(nullptr);
if (!mk_c(c)->m().canceled()) {
mk_c(c)->handle_exception(ex);
}
return Z3_L_UNDEF;
}
catch (...) {
}
}
to_solver(s)->set_eh(nullptr);
if (result == l_undef) {
to_solver_ref(s)->set_reason_unknown(eh);
}
@ -730,6 +749,7 @@ extern "C" {
unsigned rlimit = to_solver(s)->m_params.get_uint("rlimit", mk_c(c)->get_rlimit());
bool use_ctrl_c = to_solver(s)->m_params.get_bool("ctrl_c", true);
cancel_eh<reslimit> eh(mk_c(c)->m().limit());
to_solver(s)->set_eh(&eh);
api::context::set_interruptable si(*(mk_c(c)), eh);
{
scoped_ctrl_c ctrlc(eh, false, use_ctrl_c);
@ -740,12 +760,16 @@ extern "C" {
result = to_solver_ref(s)->get_consequences(_assumptions, _variables, _consequences);
}
catch (z3_exception & ex) {
to_solver(s)->set_eh(nullptr);
to_solver_ref(s)->set_reason_unknown(eh);
_assumptions.finalize(); _consequences.finalize(); _variables.finalize();
mk_c(c)->handle_exception(ex);
return Z3_L_UNDEF;
}
catch (...) {
}
}
to_solver(s)->set_eh(nullptr);
if (result == l_undef) {
to_solver_ref(s)->set_reason_unknown(eh);
}
@ -773,6 +797,7 @@ extern "C" {
unsigned rlimit = to_solver(s)->m_params.get_uint("rlimit", mk_c(c)->get_rlimit());
bool use_ctrl_c = to_solver(s)->m_params.get_bool("ctrl_c", true);
cancel_eh<reslimit> eh(mk_c(c)->m().limit());
to_solver(s)->set_eh(&eh);
api::context::set_interruptable si(*(mk_c(c)), eh);
{
scoped_ctrl_c ctrlc(eh, false, use_ctrl_c);
@ -782,10 +807,14 @@ extern "C" {
result.append(to_solver_ref(s)->cube(vars, cutoff));
}
catch (z3_exception & ex) {
to_solver(s)->set_eh(nullptr);
mk_c(c)->handle_exception(ex);
return nullptr;
}
catch (...) {
}
}
to_solver(s)->set_eh(nullptr);
Z3_ast_vector_ref * v = alloc(Z3_ast_vector_ref, *mk_c(c), mk_c(c)->m());
mk_c(c)->save_object(v);
for (expr* e : result) {