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Add smt.finite_set.lattice_refutation parameter to control lattice refutation code path (#8247)

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* Initial plan

* Add finite_set.lattice_refutation parameter to smt_params_helper.pyg

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

* Add finite_set.lattice_refutation parameter implementation

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
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Copilot 2026-01-20 17:20:52 -08:00 • committed by GitHub
parent 40efe27066
commit 2f8342a1b3
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5 changed files with 8 additions and 3 deletions
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6
src/smt/theory_finite_set.cpp
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@ -260,7 +260,8 @@ namespace smt {
ctx.push_trail(push_back_vector(m_eqs));
m_find.merge(v1, v2); // triggers merge_eh, which triggers incremental generation of theory axioms
}
m_lattice_refutation.add_equality(v1, v2);
if (ctx.get_fparams().m_finite_set_lattice_refutation)
m_lattice_refutation.add_equality(v1, v2);
// Check if Z3 has a boolean variable for it
TRACE(finite_set, tout << "new_eq_eh_r1: " << n1->get_root() << "r2: "<< n2->get_root() <<"\n";);
@ -287,7 +288,8 @@ namespace smt {
ctx.push_trail(push_back_vector(m_diseqs));
m_axioms.extensionality_axiom(e1, e2);
}
m_lattice_refutation.add_disequality(v1,v2);
if (ctx.get_fparams().m_finite_set_lattice_refutation)
m_lattice_refutation.add_disequality(v1,v2);
}
//

2
src/smt/theory_finite_set_lattice_refutation.cpp
View file

@ -12,7 +12,7 @@ Module Name:
#include "smt/smt_theory.h"
#include "smt/theory_finite_set.h"
#include "smt/smt_context.h"
#include "iostream"
#include <iostream>
const int NUM_WORDS = 5;
// some example have shown, the introduction of large conflict clauses can severely slow down refutation