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Fixed crasb if regex is reported SAT by pre-check

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CEisenhofer 2026-03-18 16:08:02 +01:00
parent 579ac6bfc4
commit d8a6ea1321
4 changed files with 17 additions and 14 deletions
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6
src/smt/seq_model.cpp
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@ -30,7 +30,7 @@ namespace smt {
: m(m), m_seq(seq), m_rewriter(rw), m_sg(sg), m_trail(m)
{}
void seq_model::init(model_generator& mg, seq::nielsen_graph& nielsen, seq_state const& state) {
void seq_model::init(model_generator& mg, seq::nielsen_graph& nielsen) {
m_var_values.reset();
m_var_regex.reset();
m_trail.reset();
@ -41,7 +41,9 @@ namespace smt {
mg.register_factory(m_factory);
register_existing_values(nielsen);
collect_var_regex_constraints(nielsen.sat_node());
seq::nielsen_node* sat_node = nielsen.sat_node();
SASSERT(sat_node); // in case we report sat, this has to point to a satisfied Nielsen node!
collect_var_regex_constraints(sat_node);
// solve integer constraints from the sat_path FIRST so that
// m_int_model is available when snode_to_value evaluates power exponents