diff options
| author | ajreynol <andrew.j.reynolds@gmail.com> | 2017-03-02 14:45:21 -0600 |
|---|---|---|
| committer | ajreynol <andrew.j.reynolds@gmail.com> | 2017-03-02 14:45:21 -0600 |
| commit | 1f4b954a2cc7667a56a3007fa75c125fba93ed23 (patch) | |
| tree | ea8734e89aa5fba170781c7148d3fd886c597d4e /src/theory/theory.cpp | |
| parent | 21b0cedd7dadd96e5d256885e3b65a926a7e4a81 (diff) | |
Eliminate Boolean term conversion. Generalizes removeITE pass to remove Boolean terms, treats distinguished BOOLEAN_TERM_VARIABLE kind as theory literal. Fixes bugs 597, 604, 651, 652, 691, 694. Add regressions.
Diffstat (limited to 'src/theory/theory.cpp')
| -rw-r--r-- | src/theory/theory.cpp | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/src/theory/theory.cpp b/src/theory/theory.cpp index 2d8ea9fa8..340ab2373 100644 --- a/src/theory/theory.cpp +++ b/src/theory/theory.cpp @@ -88,7 +88,13 @@ TheoryId Theory::theoryOf(TheoryOfMode mode, TNode node) { switch(mode) { case THEORY_OF_TYPE_BASED: // Constants, variables, 0-ary constructors - if (node.isVar() || node.isConst()) { + if (node.isVar()) { + if( node.getKind() == kind::BOOLEAN_TERM_VARIABLE ){ + tid = THEORY_UF; + }else{ + tid = Theory::theoryOf(node.getType()); + } + }else if (node.isConst()) { tid = Theory::theoryOf(node.getType()); } else if (node.getKind() == kind::EQUAL) { // Equality is owned by the theory that owns the domain @@ -105,8 +111,13 @@ TheoryId Theory::theoryOf(TheoryOfMode mode, TNode node) { // We treat the variables as uninterpreted tid = s_uninterpretedSortOwner; } else { - // Except for the Boolean ones, which we just ignore anyhow - tid = theory::THEORY_BOOL; + if( node.getKind() == kind::BOOLEAN_TERM_VARIABLE ){ + //Boolean vars go to UF + tid = THEORY_UF; + }else{ + // Except for the Boolean ones + tid = THEORY_BOOL; + } } } else if (node.isConst()) { // Constants go to the theory of the type @@ -408,7 +419,7 @@ bool ExtTheory::doInferencesInternal( int effort, std::vector< Node >& terms, st nred.push_back( n ); }else{ if( !nr.isNull() && n!=nr ){ - Node lem = NodeManager::currentNM()->mkNode( n.getType().isBoolean() ? kind::IFF : kind::EQUAL, n, nr ); + Node lem = NodeManager::currentNM()->mkNode( kind::EQUAL, n, nr ); if( sendLemma( lem, true ) ){ Trace("extt-lemma") << "ExtTheory : Reduction lemma : " << lem << std::endl; addedLemma = true; |