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fix issues #581: nested timeouts canceled each-other

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-04-30 11:18:34 -07:00
parent a020b13f10
commit e29adbf304
12 changed files with 96 additions and 87 deletions
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7
src/qe/qsat.cpp
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@ -1285,7 +1285,7 @@ namespace qe {
opt::inf_eps m_value;
bool m_was_sat;
lbool maximize(expr_ref_vector const& fmls, app* t, opt::inf_eps& value) {
lbool maximize(expr_ref_vector const& fmls, app* t, model_ref& mdl, opt::inf_eps& value) {
expr_ref_vector defs(m);
expr_ref fml = negate_core(fmls);
hoist(fml);
@ -1299,6 +1299,7 @@ namespace qe {
m_ex.assert_expr(fml);
m_fa.assert_expr(m.mk_not(fml));
lbool is_sat = check_sat();
mdl = m_model.get();
switch (is_sat) {
case l_false:
if (!m_was_sat) {
@ -1329,10 +1330,10 @@ namespace qe {
};
lbool maximize(expr_ref_vector const& fmls, app* t, opt::inf_eps& value, params_ref const& p) {
lbool maximize(expr_ref_vector const& fmls, app* t, opt::inf_eps& value, model_ref& mdl, params_ref const& p) {
ast_manager& m = fmls.get_manager();
qsat qs(m, p, qsat_maximize);
return qs.maximize(fmls, t, value);
return qs.maximize(fmls, t, mdl, value);
}
};