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https://github.com/Z3Prover/z3
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Fix typos.
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@ -448,7 +448,7 @@ public:
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info() {}
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/*
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Used for constructing either an invalid info that is only used to indicate uninitialzed entry, or valid but unknown info value.
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Used for constructing either an invalid info that is only used to indicate uninitialized entry, or valid but unknown info value.
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*/
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info(lbool is_known) : known(is_known) {}
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@ -19,7 +19,7 @@
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Extended Linear Simplification (as exploited in Bosphorus AAAI 2019):
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- multiply each polynomial by one variable from their orbits.
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- The orbit of a varible are the variables that occur in the same monomial as it in some polynomial.
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- The orbit of a variable are the variables that occur in the same monomial as it in some polynomial.
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- The extended set of polynomials is fed to a linear Gauss Jordan Eliminator that extracts
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additional linear equalities.
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- Bosphorus uses M4RI to perform efficient GJE to scale on large bit-matrices.
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@ -32,7 +32,7 @@
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The method seems rather specific to hardware multipliers so not clear it is useful to
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generalize.
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- find monomials that contain pairs of vanishing polynomials, transitively
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withtout actually inlining.
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without actually inlining.
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Then color polynomial variables w by p, resp, q if they occur in polynomial equalities
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w - r = 0, such that all paths in r contain a node colored by p, resp q.
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polynomial variables that get colored by both p and q can be set to 0.
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@ -518,7 +518,7 @@ std::ostream& emonics::display(std::ostream& out, cell* c) const {
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bool emonics::invariant() const {
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TRACE("nla_solver_mons", display(tout););
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// the varible index contains exactly the active monomials
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// the variable index contains exactly the active monomials
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unsigned mons = 0;
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for (lpvar v = 0; v < m_var2index.size(); v++) {
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if (is_monic_var(v)) {
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@ -20,7 +20,7 @@ Revision History:
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#pragma once
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// reads an MPS file reperesenting a Mixed Integer Program
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// reads an MPS file representing a Mixed Integer Program
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#include <functional>
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#include <algorithm>
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#include <string>
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@ -87,7 +87,7 @@ expr * datatype_factory::get_almost_fresh_value(sort * s) {
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return val;
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}
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// Traverse constructors, and try to invoke get_fresh_value of one of the arguments (if the argument is not a sibling datatype of s).
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// If the argumet is a sibling datatype of s, then
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// If the argument is a sibling datatype of s, then
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// use get_last_fresh_value.
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ptr_vector<func_decl> const & constructors = *m_util.get_datatype_constructors(s);
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for (func_decl * constructor : constructors) {
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@ -305,7 +305,7 @@ namespace datalog {
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void register_predicate(func_decl * pred, bool named);
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/**
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Restrict reltaions to set of predicates.
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Restrict relations to set of predicates.
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*/
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void restrict_predicates(func_decl_set const& preds);
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@ -35,7 +35,7 @@ namespace datalog {
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// reserve pred id = 0 for initialization purposes
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unsigned num_preds = (unsigned)predicates.size() + 1;
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// poor's man round-up log2
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// poor man's round-up log2
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unsigned preds_bitsize = log2(num_preds);
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if ((1U << preds_bitsize) < num_preds)
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++preds_bitsize;
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@ -73,7 +73,7 @@ namespace datalog {
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/**
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Termplate class containing common infrastructure for relations and tables
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Template class containing common infrastructure for relations and tables
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*/
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template<class Traits>
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struct tr_infrastructure {
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@ -881,7 +881,7 @@ namespace datalog {
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public:
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virtual ~table_row_pair_reduce_fn() {}
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/**
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\brief The function is called for pair of table rows that became duplicit due to projection.
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\brief The function is called for pair of table rows that became duplicated due to projection.
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The values that are in the first array after return from the function will be used for the
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resulting row.
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@ -1230,11 +1230,11 @@ namespace datalog {
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/**
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An auixiliary class for functors that perform filtering. It performs the table traversal
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An auxiliary class for functors that perform filtering. It performs the table traversal
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and only asks for each individual row whether it should be removed.
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When using this class in multiple inheritance, this class should not be inherited publicly
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and should be mentioned as last. This should ensure that deteletion of the object will
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and should be mentioned as last. This should ensure that deletion of the object will
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go well when initiated from a pointer to the first ancestor.
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*/
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class relation_manager::auxiliary_table_filter_fn {
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@ -12,8 +12,8 @@ Abstract:
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- mu: max-sat algorithm by Nina and Bacchus, AAAI 2014.
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- mus-mss: based on dual refinement of bounds.
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- binary: binary version of maxres
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- rc2: implementaion of rc2 heuristic using cardinality constraints
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- rc2t: implementaion of rc2 heuristic using totalizerx
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- rc2: implementation of rc2 heuristic using cardinality constraints
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- rc2t: implementation of rc2 heuristic using totalizerx
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- rc2-binary: hybrid of rc2 and binary maxres. Perform one step of binary maxres.
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If there are more than 16 soft constraints create a cardinality constraint.
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@ -27,7 +27,7 @@ Abstract:
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constraints the approach works like max-res.
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Given a (maximal) satisfying subset of the soft constraints
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the approach updates the upper bound if the current assignment
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improves the current best assignmet.
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improves the current best assignment.
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Furthermore, take the soft constraints that are complements
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to the current satisfying subset.
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E.g, if F are the hard constraints and
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@ -44,7 +44,7 @@ Abstract:
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If k of these soft clauses are false in the satisfying assignment
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for the updated F, then k of the original soft clauses are also false
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under the assignment.
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In summary: any assignment to the new clauses that satsfies F has the
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In summary: any assignment to the new clauses that satisfies F has the
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same cost.
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Claim:
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If there are no satisfying assignments to F, then the current best assignment
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@ -1106,7 +1106,7 @@ namespace smt {
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\brief propagate assignment to inequality.
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This is a basic, non-optimized implementation based
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on the assumption that inequalities are mostly units
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and/or relatively few compared to number of argumets.
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and/or relatively few compared to number of arguments.
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*/
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void theory_pb::assign_ineq(ineq& c, bool is_true) {
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m_mpz_trail.push_back(c.m_max_sum);
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@ -20,7 +20,7 @@ Revision History:
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#pragma once
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// reads an MPS file reperesenting a Mixed Integer Program
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// reads an MPS file representing a Mixed Integer Program
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#include <string>
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#include <vector>
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#include <unordered_map>
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@ -78,7 +78,7 @@ typedef std::pair<symbol, sort*> sorted_var;
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/**
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\brief Command abstract class.
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Commands may have variable number of argumets.
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Commands may have variable number of arguments.
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*/
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class cmd {
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symbol m_name;
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