summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorTim King <taking@cs.nyu.edu>2012-06-13 20:37:43 +0000
committerTim King <taking@cs.nyu.edu>2012-06-13 20:37:43 +0000
commitd0b33af0cf910ca7adb0357dad13e7e88baedebc (patch)
treefc9c1fae8b7c4e9a26656e81314800852996e2f6
parent6acb8e96739df11859d3bca8a9e67bdaff5600c6 (diff)
- Added a loop to internally assert constraints that are marked as true.
- Changes how CongruenceManager reports conflicts. - ConstraintDatabase can now detect and raise conflicts when doing unate propagation.
Diffstat
-rw-r--r--src/theory/arith/congruence_manager.cpp9
-rw-r--r--src/theory/arith/congruence_manager.h18
-rw-r--r--src/theory/arith/constraint.cpp64
-rw-r--r--src/theory/arith/constraint.h9
-rw-r--r--src/theory/arith/theory_arith.cpp436
-rw-r--r--src/theory/arith/theory_arith.h26
-rw-r--r--test/regress/regress0/uflia/Makefile.am1
-rw-r--r--test/regress/regress0/uflia/error1.smt701
-rw-r--r--test/regress/regress0/uflra/Makefile.am3
-rw-r--r--test/regress/regress0/uflra/error1.smt867
10 files changed, 1979 insertions, 155 deletions
diff --git a/src/theory/arith/congruence_manager.cpp b/src/theory/arith/congruence_manager.cpp
index 649e34134..14d2370ab 100644
--- a/src/theory/arith/congruence_manager.cpp
+++ b/src/theory/arith/congruence_manager.cpp
@@ -7,8 +7,9 @@ namespace CVC4 {
namespace theory {
namespace arith {
-ArithCongruenceManager::ArithCongruenceManager(context::Context* c, ConstraintDatabase& cd, TNodeCallBack& setup, const ArithVarNodeMap& av2Node)
- : d_conflict(c),
+ArithCongruenceManager::ArithCongruenceManager(context::Context* c, ConstraintDatabase& cd, TNodeCallBack& setup, const ArithVarNodeMap& av2Node, NodeCallBack& raiseConflict)
+ : d_inConflict(c),
+ d_raiseConflict(raiseConflict),
d_notify(*this),
d_keepAlive(c),
d_propagatations(c),
@@ -112,7 +113,7 @@ bool ArithCongruenceManager::propagate(TNode x){
++(d_statistics.d_conflicts);
Node conf = flattenAnd(explainInternal(x));
- d_conflict.set(conf);
+ raiseConflict(conf);
Debug("arith::congruenceManager") << "rewritten to false "<<x<<" with explanation "<< conf << std::endl;
return false;
}
@@ -141,7 +142,7 @@ bool ArithCongruenceManager::propagate(TNode x){
Node final = flattenAnd(conf);
++(d_statistics.d_conflicts);
- d_conflict.set(final);
+ raiseConflict(final);
Debug("arith::congruenceManager") << "congruenceManager found a conflict " << final << std::endl;
return false;
}
diff --git a/src/theory/arith/congruence_manager.h b/src/theory/arith/congruence_manager.h
index 63a370f9a..1864bc89e 100644
--- a/src/theory/arith/congruence_manager.h
+++ b/src/theory/arith/congruence_manager.h
@@ -25,7 +25,8 @@ namespace arith {
class ArithCongruenceManager {
private:
- context::CDMaybe<Node> d_conflict;
+ context::CDRaised d_inConflict;
+ NodeCallBack& d_raiseConflict;
/**
* The set of ArithVars equivalent to a pair of terms.
@@ -101,17 +102,18 @@ private:
eq::EqualityEngine d_ee;
+ void raiseConflict(Node conflict){
+ Assert(!inConflict());
+ Debug("arith::conflict") << "difference manager conflict " << conflict << std::endl;
+ d_inConflict.raise();
+ d_raiseConflict(conflict);
+ }
public:
bool inConflict() const{
- return d_conflict.isSet();
+ return d_inConflict.isRaised();
};
- Node conflict() const{
- Assert(inConflict());
- return d_conflict.get();
- }
-
bool hasMorePropagations() const {
return !d_propagatations.empty();
}
@@ -182,7 +184,7 @@ private:
public:
- ArithCongruenceManager(context::Context* satContext, ConstraintDatabase&, TNodeCallBack&, const ArithVarNodeMap&);
+ ArithCongruenceManager(context::Context* satContext, ConstraintDatabase&, TNodeCallBack& setLiteral, const ArithVarNodeMap&, NodeCallBack& raiseConflict);
Node explain(TNode literal);
void explain(TNode lit, NodeBuilder<>& out);
diff --git a/src/theory/arith/constraint.cpp b/src/theory/arith/constraint.cpp
index d451e9597..bedb91756 100644
--- a/src/theory/arith/constraint.cpp
+++ b/src/theory/arith/constraint.cpp
@@ -448,7 +448,7 @@ Constraint ConstraintValue::makeNegation(ArithVar v, ConstraintType t, const Del
}
}
-ConstraintDatabase::ConstraintDatabase(context::Context* satContext, context::Context* userContext, const ArithVarNodeMap& av2nodeMap, ArithCongruenceManager& cm)
+ConstraintDatabase::ConstraintDatabase(context::Context* satContext, context::Context* userContext, const ArithVarNodeMap& av2nodeMap, ArithCongruenceManager& cm, NodeCallBack& raiseConflict)
: d_varDatabases(),
d_toPropagate(satContext),
d_proofs(satContext, false),
@@ -456,7 +456,8 @@ ConstraintDatabase::ConstraintDatabase(context::Context* satContext, context::Co
d_av2nodeMap(av2nodeMap),
d_congruenceManager(cm),
d_satContext(satContext),
- d_satAllocationLevel(d_satContext->getLevel())
+ d_satAllocationLevel(d_satContext->getLevel()),
+ d_raiseConflict(raiseConflict)
{
d_selfExplainingProof = d_proofs.size();
d_proofs.push_back(NullConstraint);
@@ -1153,6 +1154,20 @@ void ConstraintDatabase::outputUnateInequalityLemmas(std::vector<Node>& lemmas)
}
}
+void ConstraintDatabase::raiseUnateConflict(Constraint ant, Constraint cons){
+ Assert(ant->hasProof());
+ Constraint negCons = cons->getNegation();
+ Assert(negCons->hasProof());
+
+ Debug("arith::unate::conf") << ant << "implies " << cons << endl;
+ Debug("arith::unate::conf") << negCons << " is true." << endl;
+
+
+ Node conf = ConstraintValue::explainConflict(ant, negCons);
+ Debug("arith::unate::conf") << conf << std::endl;
+ d_raiseConflict(conf);
+}
+
void ConstraintDatabase::unatePropLowerBound(Constraint curr, Constraint prev){
Debug("arith::unate") << "unatePropLowerBound " << curr << " " << prev << endl;
Assert(curr != prev);
@@ -1186,17 +1201,25 @@ void ConstraintDatabase::unatePropLowerBound(Constraint curr, Constraint prev){
//These should all be handled by propagating the LowerBounds!
if(vc.hasLowerBound()){
Constraint lb = vc.getLowerBound();
- if(!lb->isTrue()){
+ if(lb->negationHasProof()){
+ raiseUnateConflict(curr, lb);
+ return;
+ }else if(!lb->isTrue()){
++d_statistics.d_unatePropagateImplications;
Debug("arith::unate") << "unatePropLowerBound " << curr << " implies " << lb << endl;
+
lb->impliedBy(curr);
}
}
if(vc.hasDisequality()){
Constraint dis = vc.getDisequality();
- if(!dis->isTrue()){
+ if(dis->negationHasProof()){
+ raiseUnateConflict(curr, dis);
+ return;
+ }else if(!dis->isTrue()){
++d_statistics.d_unatePropagateImplications;
Debug("arith::unate") << "unatePropLowerBound " << curr << " implies " << dis << endl;
+
dis->impliedBy(curr);
}
}
@@ -1229,7 +1252,10 @@ void ConstraintDatabase::unatePropUpperBound(Constraint curr, Constraint prev){
//These should all be handled by propagating the UpperBounds!
if(vc.hasUpperBound()){
Constraint ub = vc.getUpperBound();
- if(!ub->isTrue()){
+ if(ub->negationHasProof()){
+ raiseUnateConflict(curr, ub);
+ return;
+ }else if(!ub->isTrue()){
++d_statistics.d_unatePropagateImplications;
Debug("arith::unate") << "unatePropUpperBound " << curr << " implies " << ub << endl;
ub->impliedBy(curr);
@@ -1237,9 +1263,13 @@ void ConstraintDatabase::unatePropUpperBound(Constraint curr, Constraint prev){
}
if(vc.hasDisequality()){
Constraint dis = vc.getDisequality();
- if(!dis->isTrue()){
+ if(dis->negationHasProof()){
+ raiseUnateConflict(curr, dis);
+ return;
+ }else if(!dis->isTrue()){
Debug("arith::unate") << "unatePropUpperBound " << curr << " implies " << dis << endl;
++d_statistics.d_unatePropagateImplications;
+
dis->impliedBy(curr);
}
}
@@ -1279,7 +1309,10 @@ void ConstraintDatabase::unatePropEquality(Constraint curr, Constraint prevLB, C
//These should all be handled by propagating the LowerBounds!
if(vc.hasLowerBound()){
Constraint lb = vc.getLowerBound();
- if(!lb->isTrue()){
+ if(lb->negationHasProof()){
+ raiseUnateConflict(curr, lb);
+ return;
+ }else if(!lb->isTrue()){
++d_statistics.d_unatePropagateImplications;
Debug("arith::unate") << "unatePropUpperBound " << curr << " implies " << lb << endl;
lb->impliedBy(curr);
@@ -1287,9 +1320,13 @@ void ConstraintDatabase::unatePropEquality(Constraint curr, Constraint prevLB, C
}
if(vc.hasDisequality()){
Constraint dis = vc.getDisequality();
- if(!dis->isTrue()){
+ if(dis->negationHasProof()){
+ raiseUnateConflict(curr, dis);
+ return;
+ }else if(!dis->isTrue()){
++d_statistics.d_unatePropagateImplications;
Debug("arith::unate") << "unatePropUpperBound " << curr << " implies " << dis << endl;
+
dis->impliedBy(curr);
}
}
@@ -1307,15 +1344,22 @@ void ConstraintDatabase::unatePropEquality(Constraint curr, Constraint prevLB, C
//These should all be handled by propagating the UpperBounds!
if(vc.hasUpperBound()){
Constraint ub = vc.getUpperBound();
- if(!ub->isTrue()){
+ if(ub->negationHasProof()){
+ raiseUnateConflict(curr, ub);
+ return;
+ }else if(!ub->isTrue()){
++d_statistics.d_unatePropagateImplications;
Debug("arith::unate") << "unateProp " << curr << " implies " << ub << endl;
+
ub->impliedBy(curr);
}
}
if(vc.hasDisequality()){
Constraint dis = vc.getDisequality();
- if(!dis->isTrue()){
+ if(dis->negationHasProof()){
+ raiseUnateConflict(curr, dis);
+ return;
+ }else if(!dis->isTrue()){
++d_statistics.d_unatePropagateImplications;
Debug("arith::unate") << "unateProp " << curr << " implies " << dis << endl;
dis->impliedBy(curr);
diff --git a/src/theory/arith/constraint.h b/src/theory/arith/constraint.h
index 5b49dd54d..dcc3bf8bb 100644
--- a/src/theory/arith/constraint.h
+++ b/src/theory/arith/constraint.h
@@ -762,6 +762,8 @@ private:
const context::Context * const d_satContext;
const int d_satAllocationLevel;
+ NodeCallBack& d_raiseConflict;
+
friend class ConstraintValue;
public:
@@ -769,12 +771,13 @@ public:
ConstraintDatabase( context::Context* satContext,
context::Context* userContext,
const ArithVarNodeMap& av2nodeMap,
- ArithCongruenceManager& dm);
+ ArithCongruenceManager& dm,
+ NodeCallBack& conflictCallBack);
~ConstraintDatabase();
+ /** Adds a literal to the database. */
Constraint addLiteral(TNode lit);
- //Constraint addAtom(TNode atom);
/**
* If hasLiteral() is true, returns the constraint.
@@ -852,6 +855,8 @@ public:
void unatePropEquality(Constraint curr, Constraint prevLB, Constraint prevUB);
private:
+ void raiseUnateConflict(Constraint ant, Constraint cons);
+
class Statistics {
public:
IntStat d_unatePropagateCalls;
diff --git a/src/theory/arith/theory_arith.cpp b/src/theory/arith/theory_arith.cpp
index be24e43ba..faf0e3563 100644
--- a/src/theory/arith/theory_arith.cpp
+++ b/src/theory/arith/theory_arith.cpp
@@ -61,6 +61,8 @@ TheoryArith::TheoryArith(context::Context* c, context::UserContext* u, OutputCha
d_nextIntegerCheckVar(0),
d_constantIntegerVariables(c),
d_diseqQueue(c, false),
+ d_currentPropagationList(),
+ d_learnedBounds(c),
d_partialModel(c),
d_tableau(),
d_linEq(d_partialModel, d_tableau, d_basicVarModelUpdateCallBack),
@@ -71,10 +73,10 @@ TheoryArith::TheoryArith(context::Context* c, context::UserContext* u, OutputCha
d_tableauResetDensity(1.6),
d_tableauResetPeriod(10),
d_conflicts(c),
- d_conflictCallBack(d_conflicts),
- d_congruenceManager(c, d_constraintDatabase, d_setupLiteralCallback, d_arithvarNodeMap),
- d_simplex(d_linEq, d_conflictCallBack),
- d_constraintDatabase(c, u, d_arithvarNodeMap, d_congruenceManager),
+ d_raiseConflict(d_conflicts),
+ d_congruenceManager(c, d_constraintDatabase, d_setupLiteralCallback, d_arithvarNodeMap, d_raiseConflict),
+ d_simplex(d_linEq, d_raiseConflict),
+ d_constraintDatabase(c, u, d_arithvarNodeMap, d_congruenceManager, d_raiseConflict),
d_basicVarModelUpdateCallBack(d_simplex),
d_DELTA_ZERO(0),
d_statistics()
@@ -181,7 +183,7 @@ void TheoryArith::zeroDifferenceDetected(ArithVar x){
}
/* procedure AssertLower( x_i >= c_i ) */
-Node TheoryArith::AssertLower(Constraint constraint){
+bool TheoryArith::AssertLower(Constraint constraint){
Assert(constraint != NullConstraint);
Assert(constraint->isLowerBound());
@@ -194,7 +196,7 @@ Node TheoryArith::AssertLower(Constraint constraint){
//TODO Relax to less than?
if(d_partialModel.lessThanLowerBound(x_i, c_i)){
- return Node::null();
+ return false; //sat
}
int cmpToUB = d_partialModel.cmpToUpperBound(x_i, c_i);
@@ -203,7 +205,8 @@ Node TheoryArith::AssertLower(Constraint constraint){
Node conflict = ConstraintValue::explainConflict(ubc, constraint);
Debug("arith") << "AssertLower conflict " << conflict << endl;
++(d_statistics.d_statAssertLowerConflicts);
- return conflict;
+ d_raiseConflict(conflict);
+ return true;
}else if(cmpToUB == 0){
if(isInteger(x_i)){
d_constantIntegerVariables.push_back(x_i);
@@ -229,10 +232,33 @@ Node TheoryArith::AssertLower(Constraint constraint){
++(d_statistics.d_statDisequalityConflicts);
Debug("eq") << " assert lower conflict " << conflict << endl;
- return conflict;
+ d_raiseConflict(conflict);
+ return true;
}else if(!eq->isTrue()){
Debug("eq") << "lb == ub, propagate eq" << eq << endl;
eq->impliedBy(constraint, d_partialModel.getUpperBoundConstraint(x_i));
+ // do not need to add to d_learnedBounds
+ }
+ }
+ }else{
+ Assert(cmpToUB < 0);
+ const ValueCollection& vc = constraint->getValueCollection();
+ if(vc.hasDisequality() && vc.hasUpperBound()){
+ const Constraint diseq = vc.getDisequality();
+ if(diseq->isTrue()){
+ const Constraint ub = vc.getUpperBound();
+ if(ub->hasProof()){
+ Node conflict = ConstraintValue::explainConflict(diseq, ub, constraint);
+ Debug("eq") << " assert upper conflict " << conflict << endl;
+ d_raiseConflict(conflict);
+ return true;
+ }else if(!ub->negationHasProof()){
+ Constraint negUb = ub->getNegation();
+ negUb->impliedBy(constraint, diseq);
+ //if(!negUb->canBePropagated()){
+ d_learnedBounds.push_back(negUb);
+ //}//otherwise let this be propagated/asserted later
+ }
}
}
}
@@ -263,11 +289,11 @@ Node TheoryArith::AssertLower(Constraint constraint){
if(Debug.isOn("model")) { d_partialModel.printModel(x_i); }
- return Node::null();
+ return false; //sat
}
/* procedure AssertUpper( x_i <= c_i) */
-Node TheoryArith::AssertUpper(Constraint constraint){
+bool TheoryArith::AssertUpper(Constraint constraint){
ArithVar x_i = constraint->getVariable();
const DeltaRational& c_i = constraint->getValue();
@@ -283,7 +309,7 @@ Node TheoryArith::AssertUpper(Constraint constraint){
Debug("arith") << "AssertUpper(" << x_i << " " << c_i << ")"<< std::endl;
if(d_partialModel.greaterThanUpperBound(x_i, c_i) ){ // \upperbound(x_i) <= c_i
- return Node::null(); //sat
+ return false; //sat
}
// cmpToLb = \lowerbound(x_i).cmp(c_i)
@@ -293,7 +319,8 @@ Node TheoryArith::AssertUpper(Constraint constraint){
Node conflict = ConstraintValue::explainConflict(lbc, constraint);
Debug("arith") << "AssertUpper conflict " << conflict << endl;
++(d_statistics.d_statAssertUpperConflicts);
- return conflict;
+ d_raiseConflict(conflict);
+ return true;
}else if(cmpToLB == 0){ // \lowerBound(x_i) == \upperbound(x_i)
if(isInteger(x_i)){
d_constantIntegerVariables.push_back(x_i);
@@ -315,13 +342,34 @@ Node TheoryArith::AssertUpper(Constraint constraint){
if(diseq->isTrue()){
Node conflict = ConstraintValue::explainConflict(diseq, lb, constraint);
Debug("eq") << " assert upper conflict " << conflict << endl;
- return conflict;
+ d_raiseConflict(conflict);
+ return true;
}else if(!eq->isTrue()){
Debug("eq") << "lb == ub, propagate eq" << eq << endl;
eq->impliedBy(constraint, d_partialModel.getLowerBoundConstraint(x_i));
+ //do not bother to add to d_learnedBounds
+ }
+ }
+ }else if(cmpToLB > 0){
+ const ValueCollection& vc = constraint->getValueCollection();
+ if(vc.hasDisequality() && vc.hasLowerBound()){
+ const Constraint diseq = vc.getDisequality();
+ if(diseq->isTrue()){
+ const Constraint lb = vc.getLowerBound();
+ if(lb->hasProof()){
+ Node conflict = ConstraintValue::explainConflict(diseq, lb, constraint);
+ Debug("eq") << " assert upper conflict " << conflict << endl;
+ d_raiseConflict(conflict);
+ return true;
+ }else if(!lb->negationHasProof()){
+ Constraint negLb = lb->getNegation();
+ negLb->impliedBy(constraint, diseq);
+ //if(!negLb->canBePropagated()){
+ d_learnedBounds.push_back(negLb);
+ //}//otherwise let this be propagated/asserted later
+ }
}
}
-
}
d_currentPropagationList.push_back(constraint);
@@ -351,12 +399,12 @@ Node TheoryArith::AssertUpper(Constraint constraint){
if(Debug.isOn("model")) { d_partialModel.printModel(x_i); }
- return Node::null();
+ return false; //sat
}
/* procedure AssertEquality( x_i == c_i ) */
-Node TheoryArith::AssertEquality(Constraint constraint){
+bool TheoryArith::AssertEquality(Constraint constraint){
AssertArgument(constraint != NullConstraint,
"AssertUpper() called on a NullConstraint.");
@@ -374,21 +422,23 @@ Node TheoryArith::AssertEquality(Constraint constraint){
// u_i <= c_i <= l_i
// This can happen if both c_i <= x_i and x_i <= c_i are in the system.
if(cmpToUB >= 0 && cmpToLB <= 0){
- return Node::null(); //sat
+ return false; //sat
}
if(cmpToUB > 0){
Constraint ubc = d_partialModel.getUpperBoundConstraint(x_i);
Node conflict = ConstraintValue::explainConflict(ubc, constraint);
Debug("arith") << "AssertEquality conflicts with upper bound " << conflict << endl;
- return conflict;
+ d_raiseConflict(conflict);
+ return true;
}
if(cmpToLB < 0){
Constraint lbc = d_partialModel.getLowerBoundConstraint(x_i);
Node conflict = ConstraintValue::explainConflict(lbc, constraint);
Debug("arith") << "AssertEquality conflicts with lower bound" << conflict << endl;
- return conflict;
+ d_raiseConflict(conflict);
+ return true;
}
Assert(cmpToUB <= 0);
@@ -431,12 +481,12 @@ Node TheoryArith::AssertEquality(Constraint constraint){
}else{
d_simplex.updateBasic(x_i);
}
- return Node::null();
+ return false;
}
/* procedure AssertDisequality( x_i != c_i ) */
-Node TheoryArith::AssertDisequality(Constraint constraint){
+bool TheoryArith::AssertDisequality(Constraint constraint){
AssertArgument(constraint != NullConstraint,
"AssertUpper() called on a NullConstraint.");
@@ -457,7 +507,7 @@ Node TheoryArith::AssertDisequality(Constraint constraint){
if(constraint->isSplit()){
Debug("eq") << "skipping already split " << constraint << endl;
- return Node::null();
+ return false;
}
const ValueCollection& vc = constraint->getValueCollection();
@@ -468,18 +518,25 @@ Node TheoryArith::AssertDisequality(Constraint constraint){
//in conflict
Debug("eq") << "explaining" << endl;
++(d_statistics.d_statDisequalityConflicts);
- return ConstraintValue::explainConflict(constraint, lb, ub);
+ Node conflict = ConstraintValue::explainConflict(constraint, lb, ub);
+ d_raiseConflict(conflict);
+ return true;
+
}else if(lb->isTrue()){
Debug("eq") << "propagate UpperBound " << constraint << lb << ub << endl;
const Constraint negUb = ub->getNegation();
if(!negUb->isTrue()){
negUb->impliedBy(constraint, lb);
+ d_learnedBounds.push_back(negUb);
}
}else if(ub->isTrue()){
Debug("eq") << "propagate LowerBound " << constraint << lb << ub << endl;
const Constraint negLb = lb->getNegation();
if(!negLb->isTrue()){
negLb->impliedBy(constraint, ub);
+ //if(!negLb->canBePropagated()){
+ d_learnedBounds.push_back(negLb);
+ //}
}
}
}
@@ -488,7 +545,7 @@ Node TheoryArith::AssertDisequality(Constraint constraint){
if(c_i == d_partialModel.getAssignment(x_i)){
Debug("eq") << "lemma now! " << constraint << endl;
d_out->lemma(constraint->split());
- return Node::null();
+ return false;
}else if(d_partialModel.strictlyLessThanLowerBound(x_i, c_i)){
Debug("eq") << "can drop as less than lb" << constraint << endl;
}else if(d_partialModel.strictlyGreaterThanUpperBound(x_i, c_i)){
@@ -497,7 +554,7 @@ Node TheoryArith::AssertDisequality(Constraint constraint){
Debug("eq") << "push back" << constraint << endl;
d_diseqQueue.push(constraint);
}
- return Node::null();
+ return false;
}
@@ -1006,23 +1063,48 @@ Node TheoryArith::callDioSolver(){
return d_diosolver.processEquationsForConflict();
}
-Node TheoryArith::assertionCases(TNode assertion){
- Constraint constraint = d_constraintDatabase.lookup(assertion);
+Constraint TheoryArith::constraintFromFactQueue(){
+ Assert(!done());
+ TNode assertion = get();
Kind simpleKind = Comparison::comparisonKind(assertion);
- Assert(simpleKind != UNDEFINED_KIND);
- Assert(constraint != NullConstraint ||
- simpleKind == EQUAL ||
- simpleKind == DISTINCT );
- if(simpleKind == EQUAL || simpleKind == DISTINCT){
+ Constraint constraint = d_constraintDatabase.lookup(assertion);
+ if(constraint == NullConstraint){
+ Assert(simpleKind == EQUAL || simpleKind == DISTINCT );
+ bool isDistinct = simpleKind == DISTINCT;
Node eq = (simpleKind == DISTINCT) ? assertion[0] : assertion;
-
- if(!isSetup(eq)){
- //The previous code was equivalent to:
- setupAtom(eq);
- constraint = d_constraintDatabase.lookup(assertion);
+ Assert(!isSetup(eq));
+ Node reEq = Rewriter::rewrite(eq);
+ if(reEq.getKind() == CONST_BOOLEAN){
+ if(reEq.getConst<bool>() != isDistinct){
+ Assert((reEq.getConst<bool>() && isDistinct) ||
+ (!reEq.getConst<bool>() && !isDistinct));
+ d_raiseConflict(assertion);
+ }
+ return NullConstraint;
}
- }
+ Assert(reEq.getKind() != CONST_BOOLEAN);
+ if(!isSetup(reEq)){
+ setupAtom(reEq);
+ }
+ Node reAssertion = isDistinct ? reEq.notNode() : reEq;
+ constraint = d_constraintDatabase.lookup(reAssertion);
+ }
+
+ // Kind simpleKind = Comparison::comparisonKind(assertion);
+ // Assert(simpleKind != UNDEFINED_KIND);
+ // Assert(constraint != NullConstraint ||
+ // simpleKind == EQUAL ||
+ // simpleKind == DISTINCT );
+ // if(simpleKind == EQUAL || simpleKind == DISTINCT){
+ // Node eq = (simpleKind == DISTINCT) ? assertion[0] : assertion;
+
+ // if(!isSetup(eq)){
+ // //The previous code was equivalent to:
+ // setupAtom(eq);
+ // constraint = d_constraintDatabase.lookup(assertion);
+ // }
+ // }
Assert(constraint != NullConstraint);
if(constraint->negationHasProof()){
@@ -1031,8 +1113,6 @@ Node TheoryArith::assertionCases(TNode assertion){
if(Debug.isOn("whytheoryenginewhy")){
debugPrintFacts();
}
-// Warning() << "arith: Theory engine is sending me both a literal and its negation?"
-// << "BOOOOOOOOOOOOOOOOOOOOOO!!!!"<< endl;
}
Debug("arith::eq") << constraint << endl;
Debug("arith::eq") << negation << endl;
@@ -1042,94 +1122,202 @@ Node TheoryArith::assertionCases(TNode assertion){
negation->explainForConflict(nb);
Node conflict = nb;
Debug("arith::eq") << "conflict" << conflict << endl;
- return conflict;
+ d_raiseConflict(conflict);
+ return NullConstraint;
}
Assert(!constraint->negationHasProof());
if(constraint->assertedToTheTheory()){
//Do nothing
- return Node::null();
- }
- Assert(!constraint->assertedToTheTheory());
- constraint->setAssertedToTheTheory();
-
- ArithVar x_i = constraint->getVariable();
- //DeltaRational c_i = determineRightConstant(assertion, simpleKind);
-
- //Assert(constraint->getVariable() == determineLeftVariable(assertion, simpleKind));
- //Assert(constraint->getValue() == determineRightConstant(assertion, simpleKind));
- Assert(!constraint->hasLiteral() || constraint->getLiteral() == assertion);
-
- Debug("arith::assertions") << "arith assertion @" << getSatContext()->getLevel()
- <<"(" << assertion
- << " \\-> "
- //<< determineLeftVariable(assertion, simpleKind)
- <<" "<< simpleKind <<" "
- //<< determineRightConstant(assertion, simpleKind)
- << ")" << std::endl;
-
+ return NullConstraint;
+ }else{
+ Debug("arith::constraint") << "arith constraint " << constraint << std::endl;
+ constraint->setAssertedToTheTheory();
- Debug("arith::constraint") << "arith constraint " << constraint << std::endl;
+ if(!constraint->hasProof()){
+ Debug("arith::constraint") << "marking as constraint as self explaining " << endl;
+ constraint->selfExplaining();
+ }else{
+ Debug("arith::constraint") << "already has proof: " << constraint->explainForConflict() << endl;
+ }
- if(!constraint->hasProof()){
- Debug("arith::constraint") << "marking as constraint as self explaining " << endl;
- constraint->selfExplaining();
- }else{
- Debug("arith::constraint") << "already has proof: " << constraint->explainForConflict() << endl;
+ return constraint;
}
+}
+
+bool TheoryArith::assertionCases(Constraint constraint){
+ Assert(constraint->hasProof());
+ Assert(!constraint->negationHasProof());
- Assert(!isInteger(x_i) ||
- simpleKind == EQUAL ||
- simpleKind == DISTINCT ||
- simpleKind == GEQ ||
- simpleKind == LT);
+ ArithVar x_i = constraint->getVariable();
switch(constraint->getType()){
case UpperBound:
- if(simpleKind == LT && isInteger(x_i)){
+ if(isInteger(x_i) && constraint->isStrictUpperBound()){
Constraint floorConstraint = constraint->getFloor();
if(!floorConstraint->isTrue()){
if(floorConstraint->negationHasProof()){
- return ConstraintValue::explainConflict(constraint, floorConstraint->getNegation());
+ Node conf = ConstraintValue::explainConflict(constraint, floorConstraint->getNegation());
+ d_raiseConflict(conf);
+ return true;
}else{
floorConstraint->impliedBy(constraint);
+ // Do not need to add to d_learnedBounds
}
}
- //c_i = DeltaRational(c_i.floor());
- //return AssertUpper(x_i, c_i, assertion, floorConstraint);
return AssertUpper(floorConstraint);
}else{
return AssertUpper(constraint);
}
- //return AssertUpper(x_i, c_i, assertion, constraint);
case LowerBound:
- if(simpleKind == LT && isInteger(x_i)){
+ if(isInteger(x_i) && constraint->isStrictLowerBound()){
Constraint ceilingConstraint = constraint->getCeiling();
if(!ceilingConstraint->isTrue()){
if(ceilingConstraint->negationHasProof()){
-
- return ConstraintValue::explainConflict(constraint, ceilingConstraint->getNegation());
+ Node conf = ConstraintValue::explainConflict(constraint, ceilingConstraint->getNegation());
+ d_raiseConflict(conf);
+ return true;
}
ceilingConstraint->impliedBy(constraint);
+ // Do not need to add to learnedBounds
}
- //c_i = DeltaRational(c_i.ceiling());
- //return AssertLower(x_i, c_i, assertion, ceilingConstraint);
return AssertLower(ceilingConstraint);
}else{
return AssertLower(constraint);
}
- //return AssertLower(x_i, c_i, assertion, constraint);
case Equality:
return AssertEquality(constraint);
- //return AssertEquality(x_i, c_i, assertion, constraint);
case Disequality:
return AssertDisequality(constraint);
- //return AssertDisequality(x_i, c_i, assertion, constraint);
default:
Unreachable();
- return Node::null();
+ return false;
}
}
+// Node TheoryArith::assertionCases(TNode assertion){
+// Constraint constraint = d_constraintDatabase.lookup(assertion);
+
+// Kind simpleKind = Comparison::comparisonKind(assertion);
+// Assert(simpleKind != UNDEFINED_KIND);
+// Assert(constraint != NullConstraint ||
+// simpleKind == EQUAL ||
+// simpleKind == DISTINCT );
+// if(simpleKind == EQUAL || simpleKind == DISTINCT){
+// Node eq = (simpleKind == DISTINCT) ? assertion[0] : assertion;
+
+// if(!isSetup(eq)){
+// //The previous code was equivalent to:
+// setupAtom(eq);
+// constraint = d_constraintDatabase.lookup(assertion);
+// }
+// }
+// Assert(constraint != NullConstraint);
+
+// if(constraint->negationHasProof()){
+// Constraint negation = constraint->getNegation();
+// if(negation->isSelfExplaining()){
+// if(Debug.isOn("whytheoryenginewhy")){
+// debugPrintFacts();
+// }
+// // Warning() << "arith: Theory engine is sending me both a literal and its negation?"
+// // << "BOOOOOOOOOOOOOOOOOOOOOO!!!!"<< endl;
+// }
+// Debug("arith::eq") << constraint << endl;
+// Debug("arith::eq") << negation << endl;
+
+// NodeBuilder<> nb(kind::AND);
+// nb << assertion;
+// negation->explainForConflict(nb);
+// Node conflict = nb;
+// Debug("arith::eq") << "conflict" << conflict << endl;
+// return conflict;
+// }
+// Assert(!constraint->negationHasProof());
+
+// if(constraint->assertedToTheTheory()){
+// //Do nothing
+// return Node::null();
+// }
+// Assert(!constraint->assertedToTheTheory());
+// constraint->setAssertedToTheTheory();
+
+// ArithVar x_i = constraint->getVariable();
+// //DeltaRational c_i = determineRightConstant(assertion, simpleKind);
+
+// //Assert(constraint->getVariable() == determineLeftVariable(assertion, simpleKind));
+// //Assert(constraint->getValue() == determineRightConstant(assertion, simpleKind));
+// Assert(!constraint->hasLiteral() || constraint->getLiteral() == assertion);
+
+// Debug("arith::assertions") << "arith assertion @" << getSatContext()->getLevel()
+// <<"(" << assertion
+// << " \\-> "
+// //<< determineLeftVariable(assertion, simpleKind)
+// <<" "<< simpleKind <<" "
+// //<< determineRightConstant(assertion, simpleKind)
+// << ")" << std::endl;
+
+
+// Debug("arith::constraint") << "arith constraint " << constraint << std::endl;
+
+// if(!constraint->hasProof()){
+// Debug("arith::constraint") << "marking as constraint as self explaining " << endl;
+// constraint->selfExplaining();
+// }else{
+// Debug("arith::constraint") << "already has proof: " << constraint->explainForConflict() << endl;
+// }
+
+// Assert(!isInteger(x_i) ||
+// simpleKind == EQUAL ||
+// simpleKind == DISTINCT ||
+// simpleKind == GEQ ||
+// simpleKind == LT);
+
+// switch(constraint->getType()){
+// case UpperBound:
+// if(simpleKind == LT && isInteger(x_i)){
+// Constraint floorConstraint = constraint->getFloor();
+// if(!floorConstraint->isTrue()){
+// if(floorConstraint->negationHasProof()){
+// return ConstraintValue::explainConflict(constraint, floorConstraint->getNegation());
+// }else{
+// floorConstraint->impliedBy(constraint);
+// }
+// }
+// //c_i = DeltaRational(c_i.floor());
+// //return AssertUpper(x_i, c_i, assertion, floorConstraint);
+// return AssertUpper(floorConstraint);
+// }else{
+// return AssertUpper(constraint);
+// }
+// //return AssertUpper(x_i, c_i, assertion, constraint);
+// case LowerBound:
+// if(simpleKind == LT && isInteger(x_i)){
+// Constraint ceilingConstraint = constraint->getCeiling();
+// if(!ceilingConstraint->isTrue()){
+// if(ceilingConstraint->negationHasProof()){
+
+// return ConstraintValue::explainConflict(constraint, ceilingConstraint->getNegation());
+// }
+// ceilingConstraint->impliedBy(constraint);
+// }
+// //c_i = DeltaRational(c_i.ceiling());
+// //return AssertLower(x_i, c_i, assertion, ceilingConstraint);
+// return AssertLower(ceilingConstraint);
+// }else{
+// return AssertLower(constraint);
+// }
+// //return AssertLower(x_i, c_i, assertion, constraint);
+// case Equality:
+// return AssertEquality(constraint);
+// //return AssertEquality(x_i, c_i, assertion, constraint);
+// case Disequality:
+// return AssertDisequality(constraint);
+// //return AssertDisequality(x_i, c_i, assertion, constraint);
+// default:
+// Unreachable();
+// return Node::null();
+// }
+// }
/**
* Looks for the next integer variable without an integer assignment in a round robin fashion.
@@ -1154,6 +1342,15 @@ bool TheoryArith::hasIntegerModel(){
return true;
}
+/** Outputs conflicts to the output channel. */
+void TheoryArith::outputConflicts(){
+ Assert(!d_conflicts.empty());
+ for(size_t i = 0, i_end = d_conflicts.size(); i < i_end; ++i){
+ Node conflict = d_conflicts[i];
+ Debug("arith::conflict") << "d_conflicts[" << i << "] " << conflict << endl;
+ d_out->conflict(conflict);
+ }
+}
void TheoryArith::check(Effort effortLevel){
Assert(d_currentPropagationList.empty());
@@ -1161,22 +1358,29 @@ void TheoryArith::check(Effort effortLevel){
d_hasDoneWorkSinceCut = d_hasDoneWorkSinceCut || !done();
while(!done()){
-
- Node assertion = get();
- Node possibleConflict = assertionCases(assertion);
-
- if(!possibleConflict.isNull()){
+ Constraint curr = constraintFromFactQueue();
+ if(curr != NullConstraint){
+ bool res = assertionCases(curr);
+ Assert(!res || inConflict());
+ }
+ if(inConflict()){
revertOutOfConflict();
-
- Debug("arith::conflict") << "conflict " << possibleConflict << endl;
- d_out->conflict(possibleConflict);
+ outputConflicts();
return;
}
- if(d_congruenceManager.inConflict()){
- Node c = d_congruenceManager.conflict();
+ }
+ while(!d_learnedBounds.empty()){
+ // we may attempt some constraints twice. this is okay!
+ Constraint curr = d_learnedBounds.front();
+ d_learnedBounds.pop();
+ Debug("arith::learned") << curr << endl;
+
+ bool res = assertionCases(curr);
+ Assert(!res || inConflict());
+
+ if(inConflict()){
revertOutOfConflict();
- Debug("arith::conflict") << "difference manager conflict " << c << endl;
- d_out->conflict(c);
+ outputConflicts();
return;
}
}
@@ -1191,13 +1395,7 @@ void TheoryArith::check(Effort effortLevel){
bool foundConflict = d_simplex.findModel();
if(foundConflict){
revertOutOfConflict();
-
- Assert(!d_conflicts.empty());
- for(size_t i = 0, i_end = d_conflicts.size(); i < i_end; ++i){
- Node conflict = d_conflicts[i];
- Debug("arith::conflict") << "d_conflicts[" << i << "] " << conflict << endl;
- d_out->conflict(conflict);
- }
+ outputConflicts();
emmittedConflictOrSplit = true;
}else{
d_partialModel.commitAssignmentChanges();
@@ -1208,7 +1406,7 @@ void TheoryArith::check(Effort effortLevel){
Options::current()->arithPropagationMode == Options::BOTH_PROP)){
TimerStat::CodeTimer codeTimer(d_statistics.d_newPropTime);
- while(!d_currentPropagationList.empty()){
+ while(!d_currentPropagationList.empty() && !inConflict()){
Constraint curr = d_currentPropagationList.front();
d_currentPropagationList.pop_front();
@@ -1244,6 +1442,13 @@ void TheoryArith::check(Effort effortLevel){
Unhandled(curr->getType());
}
}
+
+ if(inConflict()){
+ Debug("arith::unate") << "unate conflict" << endl;
+ revertOutOfConflict();
+ outputConflicts();
+ return;
+ }
}else{
TimerStat::CodeTimer codeTimer(d_statistics.d_newPropTime);
d_currentPropagationList.clear();
@@ -1800,25 +2005,10 @@ bool TheoryArith::propagateCandidateBound(ArithVar basic, bool upperBound){
Assert(bestImplied != d_partialModel.getLowerBoundConstraint(basic));
d_linEq.propagateNonbasicsLowerBound(basic, bestImplied);
}
+ // I think this can be skipped if canBePropagated is true
+ //d_learnedBounds.push(bestImplied);
return true;
}
-
- // bool asserted = valuationIsAsserted(bestImplied);
- // bool propagated = d_theRealPropManager.isPropagated(bestImplied);
- // if( !asserted && !propagated){
-
- // NodeBuilder<> nb(kind::AND);
- // if(upperBound){
- // d_linEq.explainNonbasicsUpperBound(basic, nb);
- // }else{
- // d_linEq.explainNonbasicsLowerBound(basic, nb);
- // }
- // Node explanation = nb;
- // d_theRealPropManager.propagate(bestImplied, explanation, false);
- // return true;
- // }else{
- // Debug("arith::prop") << basic << " " << asserted << " " << propagated << endl;
- // }
}
}
return false;
diff --git a/src/theory/arith/theory_arith.h b/src/theory/arith/theory_arith.h
index 1f0120387..e23a9a943 100644
--- a/src/theory/arith/theory_arith.h
+++ b/src/theory/arith/theory_arith.h
@@ -184,6 +184,8 @@ private:
*/
std::deque<Constraint> d_currentPropagationList;
+ context::CDQueue<Constraint> d_learnedBounds;
+
/**
* Manages information about the assignment and upper and lower bounds on
* variables.
@@ -245,8 +247,17 @@ private:
void operator()(Node n){
d_list.push_back(n);
}
- };
- PushCallBack d_conflictCallBack;
+ } d_raiseConflict;
+
+ /** Returns true iff a conflict has been raised. */
+ inline bool inConflict() const {
+ return !d_conflicts.empty();
+ }
+ /**
+ * Outputs the contents of d_conflicts onto d_out.
+ * Must be inConflict().
+ */
+ void outputConflicts();
/**
@@ -386,10 +397,10 @@ private:
* a node describing this conflict is returned.
* If this new bound is not in conflict, Node::null() is returned.
*/
- Node AssertLower(Constraint constraint);
- Node AssertUpper(Constraint constraint);
- Node AssertEquality(Constraint constraint);
- Node AssertDisequality(Constraint constraint);
+ bool AssertLower(Constraint constraint);
+ bool AssertUpper(Constraint constraint);
+ bool AssertEquality(Constraint constraint);
+ bool AssertDisequality(Constraint constraint);
/** Tracks the bounds that were updated in the current round. */
DenseSet d_updatedBounds;
@@ -423,7 +434,8 @@ private:
* Returns a conflict if one was found.
* Returns Node::null if no conflict was found.
*/
- Node assertionCases(TNode assertion);
+ Constraint constraintFromFactQueue();
+ bool assertionCases(Constraint c);
/**
* Returns the basic variable with the shorted row containg a non-basic variable.
diff --git a/test/regress/regress0/uflia/Makefile.am b/test/regress/regress0/uflia/Makefile.am
index bfc13ae16..21479bac5 100644
--- a/test/regress/regress0/uflia/Makefile.am
+++ b/test/regress/regress0/uflia/Makefile.am
@@ -19,6 +19,7 @@ SMT_TESTS = \
xs-09-16-3-4-1-5.delta03.smt \
xs-09-16-3-4-1-5.delta04.smt \
error0.smt2 \
+ error1.smt \
error0.delta01.smt \
simple_cyclic2.smt2 \
error30.smt
diff --git a/test/regress/regress0/uflia/error1.smt b/test/regress/regress0/uflia/error1.smt
new file mode 100644
index 000000000..7afffaa88
--- /dev/null
+++ b/test/regress/regress0/uflia/error1.smt
@@ -0,0 +1,701 @@
+(benchmark fuzzsmt
+:logic QF_UFLIA
+:status sat
+:extrafuns ((f0 Int Int Int Int))
+:extrafuns ((f1 Int Int))
+:extrapreds ((p0 Int Int))
+:extrafuns ((v0 Int))
+:extrafuns ((v1 Int))
+:extrafuns ((v2 Int))
+:formula
+(let (?e3 1)
+(let (?e4 2)
+(let (?e5 (f1 v1))
+(let (?e6 (+ v2 v2))
+(let (?e7 (ite (p0 ?e6 v1) 1 0))
+(let (?e8 (ite (p0 ?e5 v1) 1 0))
+(let (?e9 (+ ?e6 ?e8))
+(let (?e10 (ite (p0 v1 ?e6) 1 0))
+(let (?e11 (ite (p0 v2 ?e8) 1 0))
+(let (?e12 (* (~ ?e4) ?e6))
+(let (?e13 (+ v1 ?e5))
+(let (?e14 (* ?e4 ?e12))
+(let (?e15 (f0 v2 ?e5 v0))
+(let (?e16 (ite (p0 ?e5 ?e6) 1 0))
+(let (?e17 (+ ?e7 ?e16))
+(let (?e18 (+ ?e10 ?e12))
+(let (?e19 (- ?e13 ?e12))
+(let (?e20 (* ?e19 (~ ?e4)))
+(let (?e21 (+ ?e13 ?e18))
+(let (?e22 (f0 ?e5 ?e17 ?e5))
+(let (?e23 (* ?e17 ?e4))
+(let (?e24 (ite (p0 ?e9 ?e19) 1 0))
+(let (?e25 (~ ?e6))
+(let (?e26 (f1 ?e6))
+(let (?e27 (* ?e25 (~ ?e3)))
+(flet ($e28 (< ?e7 ?e6))
+(flet ($e29 (> ?e12 ?e10))
+(flet ($e30 (distinct ?e7 ?e9))
+(flet ($e31 (<= v2 v2))
+(flet ($e32 (>= ?e6 ?e27))
+(flet ($e33 (distinct ?e11 ?e20))
+(flet ($e34 (> ?e25 ?e23))
+(flet ($e35 (< ?e7 ?e22))
+(flet ($e36 (>= ?e24 ?e10))
+(flet ($e37 (>= ?e24 ?e23))
+(flet ($e38 (distinct ?e5 ?e25))
+(flet ($e39 (= ?e16 ?e27))
+(flet ($e40 (> ?e21 ?e16))
+(flet ($e41 (> ?e7 ?e12))
+(flet ($e42 (distinct ?e22 ?e22))
+(flet ($e43 (= v2 ?e16))
+(flet ($e44 (>= ?e23 ?e7))
+(flet ($e45 (= ?e12 ?e8))
+(flet ($e46 (<= ?e13 ?e12))
+(flet ($e47 (< ?e12 ?e24))
+(flet ($e48 (< ?e13 ?e6))
+(flet ($e49 (> ?e15 ?e19))
+(flet ($e50 (> ?e25 ?e18))
+(flet ($e51 (>= ?e15 ?e7))
+(flet ($e52 (distinct ?e8 ?e20))
+(flet ($e53 (= ?e18 ?e5))
+(flet ($e54 (> ?e13 ?e15))
+(flet ($e55 (= ?e14 ?e16))
+(flet ($e56 (>= v0 ?e21))
+(flet ($e57 (= v1 ?e10))
+(flet ($e58 (distinct ?e26 ?e22))
+(flet ($e59 (> ?e18 ?e5))
+(flet ($e60 (< ?e11 ?e10))
+(flet ($e61 (>= ?e8 ?e11))
+(flet ($e62 (distinct ?e23 ?e21))
+(flet ($e63 (p0 v1 ?e20))
+(flet ($e64 (< ?e8 ?e11))
+(flet ($e65 (<= ?e26 ?e12))
+(flet ($e66 (= ?e21 ?e6))
+(flet ($e67 (distinct ?e21 ?e21))
+(flet ($e68 (>= v1 ?e17))
+(let (?e69 (ite $e59 ?e16 ?e12))
+(let (?e70 (ite $e47 ?e9 ?e19))
+(let (?e71 (ite $e64 ?e9 ?e25))
+(let (?e72 (ite $e63 v2 ?e25))
+(let (?e73 (ite $e31 ?e22 ?e15))
+(let (?e74 (ite $e66 ?e23 ?e20))
+(let (?e75 (ite $e57 ?e15 ?e9))
+(let (?e76 (ite $e39 ?e21 ?e75))
+(let (?e77 (ite $e62 v0 ?e11))
+(let (?e78 (ite $e50 ?e17 ?e71))
+(let (?e79 (ite $e38 ?e6 v0))
+(let (?e80 (ite $e62 ?e18 v0))
+(let (?e81 (ite $e29 ?e70 ?e13))
+(let (?e82 (ite $e54 ?e19 ?e20))
+(let (?e83 (ite $e57 ?e19 ?e77))
+(let (?e84 (ite $e41 ?e79 v2))
+(let (?e85 (ite $e56 ?e84 v2))
+(let (?e86 (ite $e47 ?e7 ?e15))
+(let (?e87 (ite $e49 ?e27 ?e27))
+(let (?e88 (ite $e45 ?e14 ?e16))
+(let (?e89 (ite $e42 ?e26 ?e5))
+(let (?e90 (ite $e51 ?e10 ?e12))
+(let (?e91 (ite $e46 ?e26 ?e16))
+(let (?e92 (ite $e35 ?e24 v1))
+(let (?e93 (ite $e32 ?e8 ?e91))
+(let (?e94 (ite $e30 ?e80 ?e15))
+(let (?e95 (ite $e56 ?e75 ?e27))
+(let (?e96 (ite $e64 ?e79 ?e19))
+(let (?e97 (ite $e44 ?e77 ?e84))
+(let (?e98 (ite $e62 ?e25 ?e71))
+(let (?e99 (ite $e65 ?e91 ?e21))
+(let (?e100 (ite $e33 ?e97 ?e14))
+(let (?e101 (ite $e45 ?e90 ?e7))
+(let (?e102 (ite $e41 ?e78 ?e89))
+(let (?e103 (ite $e36 ?e7 ?e81))
+(let (?e104 (ite $e48 ?e74 ?e16))
+(let (?e105 (ite $e31 ?e24 ?e81))
+(let (?e106 (ite $e40 ?e83 ?e71))
+(let (?e107 (ite $e67 ?e11 ?e10))
+(let (?e108 (ite $e52 ?e104 ?e76))
+(let (?e109 (ite $e55 ?e14 ?e14))
+(let (?e110 (ite $e61 ?e102 ?e80))
+(let (?e111 (ite $e34 ?e74 v2))
+(let (?e112 (ite $e54 ?e21 ?e106))
+(let (?e113 (ite $e28 ?e93 ?e20))
+(let (?e114 (ite $e37 ?e8 ?e83))
+(let (?e115 (ite $e55 ?e113 ?e89))
+(let (?e116 (ite $e58 ?e7 ?e25))
+(let (?e117 (ite $e60 ?e7 ?e75))
+(let (?e118 (ite $e43 ?e75 ?e16))
+(let (?e119 (ite $e53 ?e74 ?e26))
+(let (?e120 (ite $e68 ?e76 ?e25))
+(flet ($e121 (< ?e90 ?e9))
+(flet ($e122 (distinct ?e99 v0))
+(flet ($e123 (= ?e116 ?e23))
+(flet ($e124 (= ?e86 ?e99))
+(flet ($e125 (>= ?e78 ?e18))
+(flet ($e126 (> ?e99 ?e75))
+(flet ($e127 (<= ?e84 ?e107))
+(flet ($e128 (>= ?e9 ?e69))
+(flet ($e129 (= ?e95 ?e79))
+(flet ($e130 (p0 ?e103 ?e16))
+(flet ($e131 (<= ?e83 ?e104))
+(flet ($e132 (p0 ?e119 ?e97))
+(flet ($e133 (p0 ?e96 ?e89))
+(flet ($e134 (<= ?e100 ?e21))
+(flet ($e135 (= ?e102 ?e18))
+(flet ($e136 (<= ?e81 ?e16))
+(flet ($e137 (distinct ?e70 ?e94))
+(flet ($e138 (= ?e114 ?e112))
+(flet ($e139 (= ?e107 ?e89))
+(flet ($e140 (p0 ?e110 v2))
+(flet ($e141 (< ?e21 ?e114))
+(flet ($e142 (p0 ?e20 v2))
+(flet ($e143 (< ?e100 ?e94))
+(flet ($e144 (distinct ?e94 ?e26))
+(flet ($e145 (= ?e109 ?e88))
+(flet ($e146 (= ?e16 ?e100))
+(flet ($e147 (= ?e99 ?e87))
+(flet ($e148 (<= ?e87 ?e86))
+(flet ($e149 (p0 ?e73 ?e96))
+(flet ($e150 (> ?e12 ?e94))
+(flet ($e151 (distinct ?e95 ?e71))
+(flet ($e152 (distinct ?e19 ?e101))
+(flet ($e153 (p0 ?e84 ?e96))
+(flet ($e154 (= ?e99 ?e111))
+(flet ($e155 (p0 ?e14 ?e118))
+(flet ($e156 (<= ?e70 ?e25))
+(flet ($e157 (= ?e19 ?e98))
+(flet ($e158 (< ?e99 ?e90))
+(flet ($e159 (>= ?e14 ?e15))
+(flet ($e160 (<= v2 ?e120))
+(flet ($e161 (<= ?e21 ?e75))
+(flet ($e162 (< ?e114 ?e6))
+(flet ($e163 (> ?e99 ?e116))
+(flet ($e164 (<= ?e89 ?e11))
+(flet ($e165 (distinct ?e9 ?e10))
+(flet ($e166 (> ?e27 ?e97))
+(flet ($e167 (< ?e119 ?e10))
+(flet ($e168 (< ?e69 ?e79))
+(flet ($e169 (<= ?e22 ?e7))
+(flet ($e170 (= ?e117 ?e17))
+(flet ($e171 (>= ?e72 ?e16))
+(flet ($e172 (>= ?e12 ?e114))
+(flet ($e173 (distinct ?e119 ?e27))
+(flet ($e174 (<= ?e72 ?e119))
+(flet ($e175 (= ?e119 ?e118))
+(flet ($e176 (distinct ?e80 ?e73))
+(flet ($e177 (> ?e10 ?e18))
+(flet ($e178 (> ?e115 ?e15))
+(flet ($e179 (= ?e13 ?e72))
+(flet ($e180 (>= ?e110 ?e111))
+(flet ($e181 (< v0 ?e87))
+(flet ($e182 (< ?e72 ?e70))
+(flet ($e183 (<= ?e13 ?e9))
+(flet ($e184 (>= ?e7 ?e20))
+(flet ($e185 (<= ?e77 ?e23))
+(flet ($e186 (< ?e105 ?e102))
+(flet ($e187 (<= ?e78 ?e109))
+(flet ($e188 (distinct ?e89 ?e97))
+(flet ($e189 (p0 ?e118 ?e97))
+(flet ($e190 (> ?e81 ?e111))
+(flet ($e191 (> ?e14 ?e78))
+(flet ($e192 (< ?e101 ?e97))
+(flet ($e193 (distinct ?e12 ?e16))
+(flet ($e194 (< ?e113 ?e92))
+(flet ($e195 (>= ?e100 ?e87))
+(flet ($e196 (>= ?e103 ?e12))
+(flet ($e197 (p0 ?e116 ?e13))
+(flet ($e198 (>= ?e85 ?e13))
+(flet ($e199 (p0 ?e107 ?e120))
+(flet ($e200 (> ?e96 ?e74))
+(flet ($e201 (<= ?e113 ?e113))
+(flet ($e202 (>= ?e16 ?e103))
+(flet ($e203 (>= ?e72 ?e11))
+(flet ($e204 (> ?e27 ?e25))
+(flet ($e205 (distinct ?e25 ?e15))
+(flet ($e206 (distinct v1 ?e85))
+(flet ($e207 (p0 ?e95 ?e75))
+(flet ($e208 (< ?e92 ?e84))
+(flet ($e209 (< ?e91 ?e115))
+(flet ($e210 (distinct ?e13 ?e75))
+(flet ($e211 (= ?e91 ?e69))
+(flet ($e212 (p0 ?e13 ?e23))
+(flet ($e213 (>= ?e96 ?e100))
+(flet ($e214 (>= ?e72 ?e111))
+(flet ($e215 (p0 ?e97 ?e112))
+(flet ($e216 (>= ?e78 ?e98))
+(flet ($e217 (= ?e120 ?e101))
+(flet ($e218 (<= ?e72 ?e71))
+(flet ($e219 (p0 ?e90 ?e103))
+(flet ($e220 (< ?e117 ?e113))
+(flet ($e221 (>= ?e118 ?e84))
+(flet ($e222 (> ?e11 ?e104))
+(flet ($e223 (< ?e77 ?e111))
+(flet ($e224 (<= ?e21 ?e7))
+(flet ($e225 (>= ?e16 ?e74))
+(flet ($e226 (<= ?e91 ?e74))
+(flet ($e227 (p0 v2 ?e70))
+(flet ($e228 (p0 ?e101 ?e83))
+(flet ($e229 (>= ?e10 ?e8))
+(flet ($e230 (> ?e110 ?e72))
+(flet ($e231 (< ?e84 ?e20))
+(flet ($e232 (p0 ?e79 ?e26))
+(flet ($e233 (= ?e113 ?e81))
+(flet ($e234 (p0 ?e14 ?e90))
+(flet ($e235 (distinct ?e96 ?e15))
+(flet ($e236 (distinct ?e96 ?e7))
+(flet ($e237 (p0 ?e87 ?e104))
+(flet ($e238 (= ?e110 ?e71))
+(flet ($e239 (< ?e70 ?e7))
+(flet ($e240 (>= ?e13 ?e112))
+(flet ($e241 (p0 ?e24 ?e93))
+(flet ($e242 (<= ?e102 ?e87))
+(flet ($e243 (p0 ?e73 ?e25))
+(flet ($e244 (distinct ?e24 ?e116))
+(flet ($e245 (< ?e84 ?e78))
+(flet ($e246 (<= ?e104 ?e100))
+(flet ($e247 (= ?e18 ?e74))
+(flet ($e248 (< ?e16 ?e8))
+(flet ($e249 (< ?e93 ?e25))
+(flet ($e250 (>= ?e88 ?e81))
+(flet ($e251 (>= ?e98 ?e109))
+(flet ($e252 (>= ?e21 ?e13))
+(flet ($e253 (p0 v2 ?e74))
+(flet ($e254 (distinct ?e24 ?e27))
+(flet ($e255 (>= ?e120 ?e111))
+(flet ($e256 (>= ?e81 ?e14))
+(flet ($e257 (<= ?e87 ?e21))
+(flet ($e258 (p0 ?e74 ?e12))
+(flet ($e259 (distinct ?e5 ?e9))
+(flet ($e260 (>= ?e105 ?e79))
+(flet ($e261 (<= v2 ?e108))
+(flet ($e262 (= ?e96 ?e6))
+(flet ($e263 (= ?e5 ?e77))
+(flet ($e264 (>= v0 ?e23))
+(flet ($e265 (= ?e107 ?e72))
+(flet ($e266 (= ?e110 ?e95))
+(flet ($e267 (< ?e90 ?e117))
+(flet ($e268 (= v2 ?e23))
+(flet ($e269 (<= ?e77 ?e12))
+(flet ($e270 (<= ?e104 ?e111))
+(flet ($e271 (= ?e93 ?e14))
+(flet ($e272 (p0 ?e72 ?e79))
+(flet ($e273 (distinct ?e8 ?e20))
+(flet ($e274 (p0 ?e96 ?e112))
+(flet ($e275 (= ?e92 ?e24))
+(flet ($e276 (>= ?e16 ?e22))
+(flet ($e277 (= ?e19 ?e10))
+(flet ($e278 (<= ?e20 ?e86))
+(flet ($e279 (< ?e116 ?e118))
+(flet ($e280 (>= ?e74 ?e5))
+(flet ($e281 (<= ?e79 ?e105))
+(flet ($e282 (< ?e115 ?e70))
+(flet ($e283 (<= ?e13 ?e103))
+(flet ($e284 (p0 ?e27 ?e87))
+(flet ($e285 (p0 v0 ?e88))
+(flet ($e286 (<= ?e81 ?e104))
+(flet ($e287 (= ?e6 ?e99))
+(flet ($e288 (= ?e114 ?e87))
+(flet ($e289 (distinct ?e77 ?e71))
+(flet ($e290 (distinct ?e15 ?e15))
+(flet ($e291 (< ?e79 ?e72))
+(flet ($e292 (< ?e19 ?e8))
+(flet ($e293 (p0 ?e109 ?e5))
+(flet ($e294 (p0 v1 ?e19))
+(flet ($e295 (p0 ?e75 ?e104))
+(flet ($e296 (>= ?e100 ?e110))
+(flet ($e297 (>= ?e101 ?e23))
+(flet ($e298 (distinct ?e21 ?e107))
+(flet ($e299 (= ?e27 ?e101))
+(flet ($e300 (distinct ?e116 v1))
+(flet ($e301 (> ?e22 ?e5))
+(flet ($e302 (distinct ?e102 ?e80))
+(flet ($e303 (p0 ?e112 ?e84))
+(flet ($e304 (<= ?e111 ?e78))
+(flet ($e305 (= ?e75 ?e9))
+(flet ($e306 (= ?e80 ?e20))
+(flet ($e307 (< ?e80 ?e80))
+(flet ($e308 (distinct ?e13 ?e9))
+(flet ($e309 (p0 ?e6 ?e14))
+(flet ($e310 (> ?e70 ?e91))
+(flet ($e311 (> ?e16 ?e8))
+(flet ($e312 (<= ?e13 ?e95))
+(flet ($e313 (> ?e92 ?e95))
+(flet ($e314 (< ?e96 ?e87))
+(flet ($e315 (= ?e91 ?e92))
+(flet ($e316 (>= ?e120 ?e117))
+(flet ($e317 (p0 ?e13 ?e93))
+(flet ($e318 (distinct ?e120 ?e24))
+(flet ($e319 (>= ?e15 ?e86))
+(flet ($e320 (> ?e94 ?e84))
+(flet ($e321 (> ?e20 ?e99))
+(flet ($e322 (< ?e23 ?e71))
+(flet ($e323 (= ?e119 ?e73))
+(flet ($e324 (<= ?e82 ?e94))
+(flet ($e325 (<= ?e108 ?e107))
+(flet ($e326 (p0 ?e13 ?e80))
+(flet ($e327 (<= ?e87 ?e102))
+(flet ($e328 (<= ?e74 ?e89))
+(flet ($e329 (= ?e73 ?e11))
+(flet ($e330 (distinct ?e15 ?e106))
+(flet ($e331 (<= ?e115 ?e110))
+(flet ($e332 (p0 v0 ?e69))
+(flet ($e333 (>= v1 ?e9))
+(flet ($e334 (> v1 v2))
+(flet ($e335 (< ?e80 ?e95))
+(flet ($e336 (>= ?e114 ?e69))
+(flet ($e337 (distinct ?e80 ?e118))
+(flet ($e338 (p0 ?e16 ?e91))
+(flet ($e339 (p0 ?e100 ?e85))
+(flet ($e340 (= ?e13 ?e73))
+(flet ($e341 (= ?e92 ?e12))
+(flet ($e342 (p0 ?e100 ?e72))
+(flet ($e343 (= ?e26 ?e119))
+(flet ($e344 (< ?e20 ?e20))
+(flet ($e345 (<= ?e100 ?e94))
+(flet ($e346 (> ?e114 ?e116))
+(flet ($e347 (p0 ?e102 ?e19))
+(flet ($e348 (= ?e113 ?e13))
+(flet ($e349 (distinct ?e108 ?e5))
+(flet ($e350 (< ?e14 ?e118))
+(flet ($e351 (< ?e72 ?e110))
+(flet ($e352 (> ?e83 ?e114))
+(flet ($e353 (distinct ?e106 ?e24))
+(flet ($e354 (<= ?e24 ?e83))
+(flet ($e355 (p0 ?e116 ?e101))
+(flet ($e356 (< ?e110 ?e96))
+(flet ($e357 (= ?e12 v0))
+(flet ($e358 (p0 ?e108 ?e113))
+(flet ($e359 (>= ?e27 ?e81))
+(flet ($e360 (<= ?e109 ?e75))
+(flet ($e361 (= ?e102 ?e26))
+(flet ($e362 (distinct ?e108 ?e104))
+(flet ($e363 (<= ?e108 ?e26))
+(flet ($e364 (<= ?e114 ?e69))
+(flet ($e365 (>= ?e113 ?e82))
+(flet ($e366 (= ?e115 v1))
+(flet ($e367 (= ?e25 ?e27))
+(flet ($e368 (p0 ?e27 ?e91))
+(flet ($e369 (<= ?e13 ?e116))
+(flet ($e370 (<= ?e87 ?e114))
+(flet ($e371 (< ?e25 ?e108))
+(flet ($e372 (= ?e108 ?e9))
+(flet ($e373 (p0 ?e89 ?e117))
+(flet ($e374 (<= ?e13 ?e19))
+(flet ($e375 (p0 ?e12 ?e26))
+(flet ($e376 (< ?e20 ?e91))
+(flet ($e377 (distinct ?e107 ?e76))
+(flet ($e378 (if_then_else $e180 $e123 $e342))
+(flet ($e379 (if_then_else $e151 $e330 $e232))
+(flet ($e380 (if_then_else $e136 $e175 $e130))
+(flet ($e381 (if_then_else $e362 $e250 $e56))
+(flet ($e382 (not $e337))
+(flet ($e383 (xor $e194 $e150))
+(flet ($e384 (iff $e44 $e65))
+(flet ($e385 (xor $e300 $e160))
+(flet ($e386 (xor $e158 $e241))
+(flet ($e387 (not $e286))
+(flet ($e388 (and $e168 $e55))
+(flet ($e389 (or $e143 $e153))
+(flet ($e390 (not $e289))
+(flet ($e391 (or $e191 $e235))
+(flet ($e392 (and $e42 $e184))
+(flet ($e393 (not $e170))
+(flet ($e394 (iff $e35 $e356))
+(flet ($e395 (xor $e128 $e207))
+(flet ($e396 (implies $e394 $e208))
+(flet ($e397 (not $e354))
+(flet ($e398 (not $e201))
+(flet ($e399 (if_then_else $e176 $e169 $e331))
+(flet ($e400 (and $e217 $e172))
+(flet ($e401 (and $e324 $e178))
+(flet ($e402 (iff $e387 $e279))
+(flet ($e403 (or $e204 $e374))
+(flet ($e404 (iff $e323 $e334))
+(flet ($e405 (xor $e302 $e247))
+(flet ($e406 (iff $e288 $e125))
+(flet ($e407 (or $e375 $e227))
+(flet ($e408 (and $e127 $e378))
+(flet ($e409 (iff $e58 $e284))
+(flet ($e410 (implies $e181 $e52))
+(flet ($e411 (implies $e166 $e385))
+(flet ($e412 (and $e41 $e306))
+(flet ($e413 (xor $e268 $e361))
+(flet ($e414 (and $e47 $e32))
+(flet ($e415 (iff $e228 $e339))
+(flet ($e416 (implies $e292 $e199))
+(flet ($e417 (implies $e252 $e39))
+(flet ($e418 (or $e37 $e351))
+(flet ($e419 (and $e209 $e49))
+(flet ($e420 (implies $e263 $e197))
+(flet ($e421 (if_then_else $e349 $e312 $e287))
+(flet ($e422 (implies $e353 $e249))
+(flet ($e423 (not $e388))
+(flet ($e424 (and $e296 $e310))
+(flet ($e425 (xor $e309 $e59))
+(flet ($e426 (and $e240 $e242))
+(flet ($e427 (if_then_else $e45 $e163 $e411))
+(flet ($e428 (not $e364))
+(flet ($e429 (if_then_else $e144 $e267 $e293))
+(flet ($e430 (if_then_else $e173 $e238 $e126))
+(flet ($e431 (implies $e338 $e48))
+(flet ($e432 (iff $e156 $e383))
+(flet ($e433 (or $e68 $e391))
+(flet ($e434 (xor $e262 $e304))
+(flet ($e435 (not $e318))
+(flet ($e436 (iff $e29 $e155))
+(flet ($e437 (not $e121))
+(flet ($e438 (implies $e389 $e36))
+(flet ($e439 (iff $e234 $e174))
+(flet ($e440 (iff $e253 $e314))
+(flet ($e441 (if_then_else $e137 $e278 $e355))
+(flet ($e442 (xor $e131 $e64))
+(flet ($e443 (or $e377 $e124))
+(flet ($e444 (implies $e346 $e122))
+(flet ($e445 (iff $e212 $e372))
+(flet ($e446 (implies $e195 $e277))
+(flet ($e447 (not $e430))
+(flet ($e448 (not $e192))
+(flet ($e449 (implies $e196 $e177))
+(flet ($e450 (or $e190 $e257))
+(flet ($e451 (iff $e215 $e412))
+(flet ($e452 (implies $e274 $e418))
+(flet ($e453 (if_then_else $e336 $e322 $e149))
+(flet ($e454 (if_then_else $e447 $e189 $e269))
+(flet ($e455 (not $e218))
+(flet ($e456 (xor $e152 $e224))
+(flet ($e457 (not $e358))
+(flet ($e458 (not $e60))
+(flet ($e459 (not $e424))
+(flet ($e460 (not $e398))
+(flet ($e461 (if_then_else $e380 $e291 $e453))
+(flet ($e462 (iff $e305 $e271))
+(flet ($e463 (if_then_else $e408 $e417 $e148))
+(flet ($e464 (not $e270))
+(flet ($e465 (and $e261 $e51))
+(flet ($e466 (or $e450 $e299))
+(flet ($e467 (iff $e301 $e154))
+(flet ($e468 (iff $e200 $e460))
+(flet ($e469 (and $e343 $e129))
+(flet ($e470 (iff $e313 $e400))
+(flet ($e471 (or $e433 $e347))
+(flet ($e472 (not $e451))
+(flet ($e473 (iff $e266 $e317))
+(flet ($e474 (and $e273 $e390))
+(flet ($e475 (and $e406 $e440))
+(flet ($e476 (implies $e223 $e233))
+(flet ($e477 (if_then_else $e298 $e185 $e344))
+(flet ($e478 (xor $e462 $e426))
+(flet ($e479 (and $e368 $e28))
+(flet ($e480 (implies $e319 $e466))
+(flet ($e481 (not $e348))
+(flet ($e482 (not $e134))
+(flet ($e483 (xor $e145 $e471))
+(flet ($e484 (xor $e439 $e171))
+(flet ($e485 (if_then_else $e369 $e198 $e295))
+(flet ($e486 (xor $e329 $e405))
+(flet ($e487 (iff $e290 $e221))
+(flet ($e488 (if_then_else $e373 $e415 $e219))
+(flet ($e489 (iff $e50 $e244))
+(flet ($e490 (and $e363 $e403))
+(flet ($e491 (or $e402 $e431))
+(flet ($e492 (not $e229))
+(flet ($e493 (implies $e470 $e280))
+(flet ($e494 (or $e489 $e220))
+(flet ($e495 (and $e188 $e67))
+(flet ($e496 (or $e53 $e165))
+(flet ($e497 (and $e427 $e206))
+(flet ($e498 (iff $e307 $e333))
+(flet ($e499 (if_then_else $e186 $e487 $e281))
+(flet ($e500 (iff $e360 $e442))
+(flet ($e501 (iff $e490 $e357))
+(flet ($e502 (iff $e392 $e211))
+(flet ($e503 (xor $e210 $e410))
+(flet ($e504 (iff $e239 $e486))
+(flet ($e505 (implies $e248 $e54))
+(flet ($e506 (implies $e465 $e492))
+(flet ($e507 (and $e494 $e255))
+(flet ($e508 (or $e285 $e352))
+(flet ($e509 (if_then_else $e264 $e399 $e316))
+(flet ($e510 (if_then_else $e34 $e508 $e448))
+(flet ($e511 (not $e203))
+(flet ($e512 (not $e246))
+(flet ($e513 (and $e366 $e371))
+(flet ($e514 (xor $e367 $e311))
+(flet ($e515 (iff $e141 $e226))
+(flet ($e516 (iff $e455 $e484))
+(flet ($e517 (iff $e164 $e62))
+(flet ($e518 (iff $e140 $e294))
+(flet ($e519 (and $e345 $e222))
+(flet ($e520 (xor $e135 $e519))
+(flet ($e521 (implies $e216 $e315))
+(flet ($e522 (or $e260 $e446))
+(flet ($e523 (xor $e520 $e522))
+(flet ($e524 (iff $e407 $e46))
+(flet ($e525 (xor $e275 $e256))
+(flet ($e526 (and $e420 $e423))
+(flet ($e527 (not $e61))
+(flet ($e528 (implies $e297 $e488))
+(flet ($e529 (or $e231 $e332))
+(flet ($e530 (and $e482 $e66))
+(flet ($e531 (and $e518 $e245))
+(flet ($e532 (not $e183))
+(flet ($e533 (and $e382 $e236))
+(flet ($e534 (iff $e456 $e422))
+(flet ($e535 (if_then_else $e413 $e524 $e379))
+(flet ($e536 (and $e436 $e401))
+(flet ($e537 (xor $e475 $e475))
+(flet ($e538 (implies $e437 $e498))
+(flet ($e539 (implies $e485 $e477))
+(flet ($e540 (implies $e504 $e474))
+(flet ($e541 (xor $e272 $e445))
+(flet ($e542 (implies $e393 $e438))
+(flet ($e543 (xor $e139 $e205))
+(flet ($e544 (implies $e414 $e386))
+(flet ($e545 (if_then_else $e214 $e321 $e544))
+(flet ($e546 (xor $e449 $e265))
+(flet ($e547 (and $e533 $e187))
+(flet ($e548 (xor $e530 $e506))
+(flet ($e549 (or $e258 $e283))
+(flet ($e550 (iff $e326 $e500))
+(flet ($e551 (if_then_else $e535 $e359 $e537))
+(flet ($e552 (iff $e479 $e469))
+(flet ($e553 (xor $e531 $e521))
+(flet ($e554 (xor $e435 $e43))
+(flet ($e555 (not $e162))
+(flet ($e556 (and $e525 $e454))
+(flet ($e557 (xor $e501 $e514))
+(flet ($e558 (implies $e179 $e138))
+(flet ($e559 (xor $e404 $e365))
+(flet ($e560 (not $e540))
+(flet ($e561 (xor $e513 $e546))
+(flet ($e562 (implies $e503 $e308))
+(flet ($e563 (if_then_else $e541 $e561 $e434))
+(flet ($e564 (not $e335))
+(flet ($e565 (not $e341))
+(flet ($e566 (if_then_else $e564 $e551 $e511))
+(flet ($e567 (or $e523 $e496))
+(flet ($e568 (and $e534 $e159))
+(flet ($e569 (if_then_else $e555 $e562 $e497))
+(flet ($e570 (xor $e457 $e225))
+(flet ($e571 (or $e161 $e251))
+(flet ($e572 (implies $e556 $e559))
+(flet ($e573 (iff $e483 $e370))
+(flet ($e574 (if_then_else $e237 $e432 $e213))
+(flet ($e575 (and $e147 $e528))
+(flet ($e576 (xor $e376 $e552))
+(flet ($e577 (and $e463 $e542))
+(flet ($e578 (not $e548))
+(flet ($e579 (implies $e468 $e560))
+(flet ($e580 (or $e557 $e495))
+(flet ($e581 (if_then_else $e327 $e478 $e472))
+(flet ($e582 (implies $e254 $e572))
+(flet ($e583 (and $e491 $e543))
+(flet ($e584 (implies $e527 $e243))
+(flet ($e585 (if_then_else $e428 $e142 $e566))
+(flet ($e586 (xor $e429 $e133))
+(flet ($e587 (not $e202))
+(flet ($e588 (iff $e481 $e550))
+(flet ($e589 (iff $e33 $e441))
+(flet ($e590 (or $e547 $e532))
+(flet ($e591 (and $e538 $e57))
+(flet ($e592 (not $e230))
+(flet ($e593 (or $e576 $e592))
+(flet ($e594 (iff $e505 $e578))
+(flet ($e595 (and $e350 $e580))
+(flet ($e596 (or $e443 $e574))
+(flet ($e597 (or $e579 $e575))
+(flet ($e598 (or $e132 $e38))
+(flet ($e599 (implies $e303 $e146))
+(flet ($e600 (if_then_else $e598 $e499 $e419))
+(flet ($e601 (and $e558 $e473))
+(flet ($e602 (or $e590 $e529))
+(flet ($e603 (if_then_else $e591 $e182 $e40))
+(flet ($e604 (iff $e596 $e571))
+(flet ($e605 (iff $e328 $e588))
+(flet ($e606 (and $e397 $e594))
+(flet ($e607 (or $e593 $e502))
+(flet ($e608 (or $e516 $e539))
+(flet ($e609 (iff $e573 $e193))
+(flet ($e610 (not $e549))
+(flet ($e611 (not $e563))
+(flet ($e612 (xor $e30 $e606))
+(flet ($e613 (if_then_else $e467 $e609 $e581))
+(flet ($e614 (not $e526))
+(flet ($e615 (if_then_else $e517 $e602 $e610))
+(flet ($e616 (implies $e464 $e396))
+(flet ($e617 (not $e425))
+(flet ($e618 (or $e452 $e611))
+(flet ($e619 (xor $e416 $e63))
+(flet ($e620 (iff $e545 $e565))
+(flet ($e621 (xor $e603 $e458))
+(flet ($e622 (if_then_else $e536 $e476 $e567))
+(flet ($e623 (or $e515 $e157))
+(flet ($e624 (iff $e510 $e493))
+(flet ($e625 (or $e600 $e599))
+(flet ($e626 (iff $e553 $e619))
+(flet ($e627 (or $e586 $e625))
+(flet ($e628 (not $e621))
+(flet ($e629 (not $e509))
+(flet ($e630 (xor $e617 $e582))
+(flet ($e631 (implies $e480 $e630))
+(flet ($e632 (implies $e421 $e340))
+(flet ($e633 (iff $e577 $e612))
+(flet ($e634 (iff $e512 $e627))
+(flet ($e635 (if_then_else $e632 $e444 $e583))
+(flet ($e636 (not $e569))
+(flet ($e637 (implies $e629 $e276))
+(flet ($e638 (and $e633 $e620))
+(flet ($e639 (and $e461 $e381))
+(flet ($e640 (iff $e597 $e395))
+(flet ($e641 (implies $e637 $e639))
+(flet ($e642 (and $e640 $e320))
+(flet ($e643 (or $e607 $e259))
+(flet ($e644 (if_then_else $e384 $e584 $e325))
+(flet ($e645 (implies $e626 $e608))
+(flet ($e646 (xor $e585 $e631))
+(flet ($e647 (or $e616 $e167))
+(flet ($e648 (or $e568 $e644))
+(flet ($e649 (or $e589 $e614))
+(flet ($e650 (and $e641 $e642))
+(flet ($e651 (xor $e554 $e650))
+(flet ($e652 (implies $e635 $e595))
+(flet ($e653 (or $e618 $e636))
+(flet ($e654 (and $e645 $e282))
+(flet ($e655 (not $e648))
+(flet ($e656 (or $e649 $e652))
+(flet ($e657 (iff $e31 $e409))
+(flet ($e658 (iff $e634 $e651))
+(flet ($e659 (xor $e601 $e605))
+(flet ($e660 (not $e628))
+(flet ($e661 (xor $e587 $e622))
+(flet ($e662 (not $e459))
+(flet ($e663 (or $e656 $e638))
+(flet ($e664 (not $e646))
+(flet ($e665 (or $e623 $e653))
+(flet ($e666 (implies $e663 $e663))
+(flet ($e667 (implies $e570 $e507))
+(flet ($e668 (xor $e647 $e658))
+(flet ($e669 (not $e661))
+(flet ($e670 (iff $e660 $e657))
+(flet ($e671 (not $e655))
+(flet ($e672 (if_then_else $e615 $e615 $e624))
+(flet ($e673 (iff $e665 $e643))
+(flet ($e674 (xor $e662 $e669))
+(flet ($e675 (not $e671))
+(flet ($e676 (and $e674 $e675))
+(flet ($e677 (implies $e670 $e676))
+(flet ($e678 (iff $e668 $e604))
+(flet ($e679 (not $e659))
+(flet ($e680 (or $e672 $e666))
+(flet ($e681 (xor $e679 $e678))
+(flet ($e682 (not $e667))
+(flet ($e683 (and $e677 $e681))
+(flet ($e684 (xor $e680 $e680))
+(flet ($e685 (not $e683))
+(flet ($e686 (if_then_else $e664 $e684 $e685))
+(flet ($e687 (iff $e654 $e686))
+(flet ($e688 (if_then_else $e687 $e613 $e613))
+(flet ($e689 (and $e682 $e688))
+(flet ($e690 (implies $e673 $e689))
+$e690
+)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))
+
diff --git a/test/regress/regress0/uflra/Makefile.am b/test/regress/regress0/uflra/Makefile.am
index ea707e549..189c96618 100644
--- a/test/regress/regress0/uflra/Makefile.am
+++ b/test/regress/regress0/uflra/Makefile.am
@@ -28,7 +28,8 @@ SMT_TESTS = \
pb_real_10_0200_10_26.smt \
pb_real_10_0200_10_29.smt \
incorrect2.smt \
- incorrect1.smt
+ incorrect1.smt \
+ error1.smt
# Regression tests for SMT2 inputs
SMT2_TESTS =
diff --git a/test/regress/regress0/uflra/error1.smt b/test/regress/regress0/uflra/error1.smt
new file mode 100644
index 000000000..9b2cabedf
--- /dev/null
+++ b/test/regress/regress0/uflra/error1.smt
@@ -0,0 +1,867 @@
+(benchmark fuzzsmt
+:logic QF_UFLRA
+:status sat
+:extrafuns ((f0 Real Real Real))
+:extrafuns ((f1 Real Real))
+:extrapreds ((p0 Real Real))
+:extrafuns ((v0 Real))
+:extrafuns ((v1 Real))
+:extrafuns ((v2 Real))
+:formula
+(let (?e3 5)
+(let (?e4 15)
+(let (?e5 3)
+(let (?e6 (+ v1 v1))
+(let (?e7 (~ v1))
+(let (?e8 (/ ?e3 ?e5))
+(let (?e9 (~ ?e7))
+(let (?e10 (* ?e4 ?e8))
+(let (?e11 (~ v1))
+(let (?e12 (- v0 ?e7))
+(let (?e13 (/ ?e4 ?e4))
+(let (?e14 (+ ?e9 v2))
+(let (?e15 (/ ?e4 ?e4))
+(let (?e16 (f0 ?e12 ?e11))
+(let (?e17 (- ?e6 ?e14))
+(let (?e18 (f0 ?e10 ?e13))
+(let (?e19 (+ v1 ?e15))
+(let (?e20 (/ ?e4 ?e5))
+(let (?e21 (f1 ?e19))
+(let (?e22 (~ ?e9))
+(let (?e23 (ite (p0 ?e7 ?e19) 1 0))
+(flet ($e24 (> ?e7 v1))
+(flet ($e25 (>= ?e16 ?e9))
+(flet ($e26 (>= ?e9 ?e9))
+(flet ($e27 (>= ?e14 ?e19))
+(flet ($e28 (<= v2 ?e15))
+(flet ($e29 (< ?e23 ?e11))
+(flet ($e30 (distinct ?e15 ?e6))
+(flet ($e31 (= ?e8 ?e16))
+(flet ($e32 (>= ?e17 ?e8))
+(flet ($e33 (< ?e14 ?e7))
+(flet ($e34 (> ?e18 ?e11))
+(flet ($e35 (>= v2 ?e20))
+(flet ($e36 (= ?e11 ?e8))
+(flet ($e37 (= v2 ?e9))
+(flet ($e38 (>= ?e22 v0))
+(flet ($e39 (= ?e16 ?e15))
+(flet ($e40 (= ?e9 ?e20))
+(flet ($e41 (<= ?e8 ?e14))
+(flet ($e42 (<= ?e9 ?e8))
+(flet ($e43 (>= ?e23 ?e19))
+(flet ($e44 (> ?e22 v0))
+(flet ($e45 (>= ?e14 ?e23))
+(flet ($e46 (> v2 ?e9))
+(flet ($e47 (distinct ?e18 ?e15))
+(flet ($e48 (distinct ?e15 ?e22))
+(flet ($e49 (distinct ?e12 ?e15))
+(flet ($e50 (<= ?e16 v2))
+(flet ($e51 (> v0 ?e17))
+(flet ($e52 (<= ?e14 ?e14))
+(flet ($e53 (< ?e13 ?e17))
+(flet ($e54 (p0 ?e21 ?e17))
+(flet ($e55 (p0 ?e17 ?e14))
+(flet ($e56 (> ?e20 ?e8))
+(flet ($e57 (p0 ?e17 ?e8))
+(flet ($e58 (distinct ?e15 ?e15))
+(flet ($e59 (> ?e8 ?e9))
+(flet ($e60 (<= ?e23 ?e21))
+(flet ($e61 (p0 ?e20 ?e22))
+(flet ($e62 (p0 ?e9 ?e19))
+(flet ($e63 (distinct ?e11 ?e18))
+(flet ($e64 (= ?e9 v2))
+(flet ($e65 (<= ?e7 ?e14))
+(flet ($e66 (< ?e8 v1))
+(flet ($e67 (distinct ?e18 ?e17))
+(flet ($e68 (>= v0 v1))
+(flet ($e69 (= ?e13 ?e9))
+(flet ($e70 (>= ?e23 ?e16))
+(flet ($e71 (p0 ?e20 ?e8))
+(flet ($e72 (> ?e18 ?e23))
+(flet ($e73 (>= ?e14 ?e6))
+(flet ($e74 (>= ?e8 ?e18))
+(flet ($e75 (= ?e19 v0))
+(flet ($e76 (= ?e9 ?e14))
+(flet ($e77 (> ?e9 ?e21))
+(flet ($e78 (distinct ?e14 ?e21))
+(flet ($e79 (distinct ?e15 ?e17))
+(flet ($e80 (p0 ?e12 v2))
+(flet ($e81 (> ?e11 ?e18))
+(flet ($e82 (= ?e9 ?e7))
+(flet ($e83 (>= ?e6 ?e11))
+(flet ($e84 (< ?e22 ?e7))
+(flet ($e85 (> ?e13 ?e9))
+(flet ($e86 (< v2 ?e21))
+(flet ($e87 (< ?e23 ?e9))
+(flet ($e88 (= ?e11 ?e13))
+(flet ($e89 (p0 ?e23 ?e13))
+(flet ($e90 (< ?e12 ?e19))
+(flet ($e91 (= ?e14 ?e19))
+(flet ($e92 (distinct ?e21 ?e8))
+(flet ($e93 (< ?e14 ?e19))
+(flet ($e94 (p0 ?e12 ?e8))
+(flet ($e95 (<= ?e22 ?e18))
+(flet ($e96 (p0 ?e13 v1))
+(flet ($e97 (p0 v1 v1))
+(flet ($e98 (> ?e17 v1))
+(flet ($e99 (<= v2 ?e9))
+(flet ($e100 (<= ?e21 v0))
+(flet ($e101 (distinct ?e7 ?e9))
+(flet ($e102 (p0 ?e19 ?e6))
+(flet ($e103 (<= ?e12 ?e23))
+(flet ($e104 (= ?e14 ?e9))
+(flet ($e105 (>= ?e10 ?e15))
+(let (?e106 (ite $e31 ?e7 ?e11))
+(let (?e107 (ite $e51 ?e12 ?e9))
+(let (?e108 (ite $e72 ?e8 ?e106))
+(let (?e109 (ite $e77 ?e19 ?e10))
+(let (?e110 (ite $e46 ?e21 ?e10))
+(let (?e111 (ite $e25 ?e14 ?e110))
+(let (?e112 (ite $e87 ?e17 ?e107))
+(let (?e113 (ite $e85 ?e23 ?e108))
+(let (?e114 (ite $e66 v0 ?e109))
+(let (?e115 (ite $e78 ?e108 ?e110))
+(let (?e116 (ite $e27 ?e13 ?e21))
+(let (?e117 (ite $e57 ?e18 v2))
+(let (?e118 (ite $e52 ?e20 ?e18))
+(let (?e119 (ite $e102 ?e12 ?e13))
+(let (?e120 (ite $e42 ?e22 ?e119))
+(let (?e121 (ite $e92 v1 ?e11))
+(let (?e122 (ite $e59 ?e16 ?e22))
+(let (?e123 (ite $e30 v1 ?e117))
+(let (?e124 (ite $e55 ?e13 ?e108))
+(let (?e125 (ite $e86 ?e15 ?e21))
+(let (?e126 (ite $e69 ?e6 ?e123))
+(let (?e127 (ite $e63 ?e121 ?e11))
+(let (?e128 (ite $e31 v0 ?e16))
+(let (?e129 (ite $e70 ?e6 ?e23))
+(let (?e130 (ite $e74 ?e17 ?e127))
+(let (?e131 (ite $e95 ?e106 ?e117))
+(let (?e132 (ite $e28 v1 ?e126))
+(let (?e133 (ite $e34 ?e127 ?e22))
+(let (?e134 (ite $e81 ?e133 ?e16))
+(let (?e135 (ite $e97 ?e14 ?e130))
+(let (?e136 (ite $e31 ?e113 ?e9))
+(let (?e137 (ite $e49 v1 ?e135))
+(let (?e138 (ite $e104 ?e18 ?e110))
+(let (?e139 (ite $e49 ?e9 ?e135))
+(let (?e140 (ite $e33 ?e133 ?e117))
+(let (?e141 (ite $e71 ?e124 ?e20))
+(let (?e142 (ite $e40 ?e111 ?e110))
+(let (?e143 (ite $e37 ?e15 ?e11))
+(let (?e144 (ite $e64 ?e127 ?e134))
+(let (?e145 (ite $e39 ?e115 ?e17))
+(let (?e146 (ite $e33 ?e119 ?e134))
+(let (?e147 (ite $e41 ?e20 ?e107))
+(let (?e148 (ite $e60 ?e138 ?e140))
+(let (?e149 (ite $e88 ?e128 ?e20))
+(let (?e150 (ite $e53 ?e136 ?e132))
+(let (?e151 (ite $e60 ?e19 ?e126))
+(let (?e152 (ite $e42 ?e113 ?e145))
+(let (?e153 (ite $e93 ?e150 ?e147))
+(let (?e154 (ite $e60 ?e19 ?e144))
+(let (?e155 (ite $e35 ?e149 v0))
+(let (?e156 (ite $e30 ?e113 ?e113))
+(let (?e157 (ite $e80 ?e11 ?e17))
+(let (?e158 (ite $e47 ?e114 ?e12))
+(let (?e159 (ite $e62 ?e19 ?e123))
+(let (?e160 (ite $e40 ?e151 ?e17))
+(let (?e161 (ite $e105 ?e19 ?e133))
+(let (?e162 (ite $e45 ?e22 ?e142))
+(let (?e163 (ite $e91 ?e112 ?e8))
+(let (?e164 (ite $e26 ?e160 ?e126))
+(let (?e165 (ite $e56 ?e140 ?e126))
+(let (?e166 (ite $e93 ?e9 ?e18))
+(let (?e167 (ite $e76 ?e158 ?e166))
+(let (?e168 (ite $e80 ?e17 ?e146))
+(let (?e169 (ite $e51 ?e132 ?e117))
+(let (?e170 (ite $e89 ?e21 ?e118))
+(let (?e171 (ite $e64 ?e19 ?e120))
+(let (?e172 (ite $e91 ?e142 ?e118))
+(let (?e173 (ite $e90 ?e16 ?e168))
+(let (?e174 (ite $e66 ?e136 ?e157))
+(let (?e175 (ite $e54 ?e143 ?e165))
+(let (?e176 (ite $e74 ?e12 ?e166))
+(let (?e177 (ite $e51 ?e120 ?e8))
+(let (?e178 (ite $e82 ?e7 ?e125))
+(let (?e179 (ite $e58 ?e143 ?e130))
+(let (?e180 (ite $e43 ?e23 v1))
+(let (?e181 (ite $e101 ?e166 ?e173))
+(let (?e182 (ite $e84 ?e135 ?e157))
+(let (?e183 (ite $e89 ?e172 ?e21))
+(let (?e184 (ite $e75 ?e125 ?e19))
+(let (?e185 (ite $e47 ?e165 ?e155))
+(let (?e186 (ite $e100 ?e21 ?e146))
+(let (?e187 (ite $e27 ?e157 ?e185))
+(let (?e188 (ite $e45 ?e130 ?e110))
+(let (?e189 (ite $e96 ?e6 ?e121))
+(let (?e190 (ite $e67 ?e120 ?e133))
+(let (?e191 (ite $e65 ?e18 ?e130))
+(let (?e192 (ite $e29 ?e112 ?e127))
+(let (?e193 (ite $e49 ?e152 ?e179))
+(let (?e194 (ite $e54 ?e121 v1))
+(let (?e195 (ite $e45 ?e137 ?e19))
+(let (?e196 (ite $e79 ?e125 ?e158))
+(let (?e197 (ite $e50 ?e16 ?e124))
+(let (?e198 (ite $e83 ?e168 ?e134))
+(let (?e199 (ite $e84 ?e121 ?e157))
+(let (?e200 (ite $e94 ?e173 ?e149))
+(let (?e201 (ite $e50 ?e132 ?e186))
+(let (?e202 (ite $e96 ?e115 ?e135))
+(let (?e203 (ite $e99 ?e110 ?e182))
+(let (?e204 (ite $e73 ?e185 ?e198))
+(let (?e205 (ite $e36 ?e131 v2))
+(let (?e206 (ite $e39 ?e6 ?e204))
+(let (?e207 (ite $e34 ?e156 ?e7))
+(let (?e208 (ite $e103 ?e124 ?e173))
+(let (?e209 (ite $e63 ?e149 ?e143))
+(let (?e210 (ite $e70 ?e20 ?e130))
+(let (?e211 (ite $e44 ?e112 ?e176))
+(let (?e212 (ite $e62 v2 ?e118))
+(let (?e213 (ite $e33 ?e150 ?e179))
+(let (?e214 (ite $e87 ?e152 ?e175))
+(let (?e215 (ite $e85 ?e196 ?e198))
+(let (?e216 (ite $e61 ?e143 ?e149))
+(let (?e217 (ite $e48 ?e108 ?e166))
+(let (?e218 (ite $e24 ?e18 ?e204))
+(let (?e219 (ite $e38 ?e179 ?e154))
+(let (?e220 (ite $e84 ?e107 ?e189))
+(let (?e221 (ite $e83 ?e119 ?e158))
+(let (?e222 (ite $e98 ?e23 ?e188))
+(let (?e223 (ite $e92 ?e147 ?e112))
+(let (?e224 (ite $e32 ?e215 ?e16))
+(let (?e225 (ite $e68 ?e128 ?e158))
+(flet ($e226 (>= ?e157 ?e198))
+(flet ($e227 (> ?e182 ?e184))
+(flet ($e228 (< ?e139 ?e225))
+(flet ($e229 (> ?e175 ?e211))
+(flet ($e230 (> ?e212 ?e117))
+(flet ($e231 (> ?e173 ?e196))
+(flet ($e232 (p0 ?e116 v2))
+(flet ($e233 (< ?e173 ?e220))
+(flet ($e234 (< ?e129 ?e127))
+(flet ($e235 (distinct ?e175 ?e135))
+(flet ($e236 (<= ?e177 ?e211))
+(flet ($e237 (>= ?e129 ?e154))
+(flet ($e238 (<= ?e133 ?e174))
+(flet ($e239 (<= ?e9 ?e168))
+(flet ($e240 (>= ?e225 ?e11))
+(flet ($e241 (< ?e131 ?e185))
+(flet ($e242 (<= ?e153 ?e107))
+(flet ($e243 (<= ?e197 ?e143))
+(flet ($e244 (<= ?e198 ?e186))
+(flet ($e245 (>= ?e194 ?e129))
+(flet ($e246 (< ?e13 ?e195))
+(flet ($e247 (distinct ?e8 ?e134))
+(flet ($e248 (>= ?e164 ?e118))
+(flet ($e249 (>= ?e208 ?e170))
+(flet ($e250 (= ?e157 ?e19))
+(flet ($e251 (< ?e160 ?e161))
+(flet ($e252 (<= ?e148 ?e15))
+(flet ($e253 (p0 ?e174 ?e167))
+(flet ($e254 (<= ?e167 ?e121))
+(flet ($e255 (< ?e146 ?e174))
+(flet ($e256 (= ?e166 ?e119))
+(flet ($e257 (>= ?e121 ?e129))
+(flet ($e258 (distinct ?e148 ?e190))
+(flet ($e259 (>= ?e8 ?e209))
+(flet ($e260 (= ?e113 ?e218))
+(flet ($e261 (>= ?e146 ?e153))
+(flet ($e262 (= ?e20 ?e215))
+(flet ($e263 (>= ?e213 ?e21))
+(flet ($e264 (p0 ?e216 ?e168))
+(flet ($e265 (< ?e210 ?e162))
+(flet ($e266 (distinct ?e126 ?e127))
+(flet ($e267 (<= ?e131 ?e223))
+(flet ($e268 (p0 ?e179 ?e7))
+(flet ($e269 (< ?e150 ?e13))
+(flet ($e270 (<= ?e160 ?e182))
+(flet ($e271 (<= ?e180 ?e206))
+(flet ($e272 (= ?e191 ?e206))
+(flet ($e273 (p0 ?e155 ?e180))
+(flet ($e274 (distinct ?e116 ?e186))
+(flet ($e275 (>= ?e173 ?e179))
+(flet ($e276 (p0 ?e16 ?e118))
+(flet ($e277 (p0 ?e164 ?e209))
+(flet ($e278 (>= ?e178 ?e182))
+(flet ($e279 (> ?e138 ?e139))
+(flet ($e280 (> ?e8 ?e110))
+(flet ($e281 (p0 ?e113 ?e157))
+(flet ($e282 (< ?e127 ?e167))
+(flet ($e283 (< ?e222 ?e152))
+(flet ($e284 (= ?e205 ?e201))
+(flet ($e285 (distinct ?e141 ?e153))
+(flet ($e286 (p0 ?e211 ?e140))
+(flet ($e287 (distinct ?e21 ?e10))
+(flet ($e288 (>= ?e182 ?e172))
+(flet ($e289 (< ?e224 ?e159))
+(flet ($e290 (distinct ?e134 ?e118))
+(flet ($e291 (>= ?e170 ?e186))
+(flet ($e292 (> ?e206 ?e11))
+(flet ($e293 (<= v1 ?e160))
+(flet ($e294 (> ?e175 ?e132))
+(flet ($e295 (p0 ?e131 ?e11))
+(flet ($e296 (<= ?e173 ?e137))
+(flet ($e297 (distinct ?e182 ?e165))
+(flet ($e298 (distinct ?e22 ?e159))
+(flet ($e299 (>= ?e155 ?e223))
+(flet ($e300 (p0 ?e10 ?e23))
+(flet ($e301 (= ?e219 ?e11))
+(flet ($e302 (>= ?e181 ?e129))
+(flet ($e303 (< ?e132 ?e150))
+(flet ($e304 (>= ?e204 ?e174))
+(flet ($e305 (p0 ?e16 ?e114))
+(flet ($e306 (<= ?e145 ?e120))
+(flet ($e307 (>= ?e138 ?e190))
+(flet ($e308 (<= ?e190 ?e210))
+(flet ($e309 (> ?e166 ?e198))
+(flet ($e310 (= ?e136 ?e128))
+(flet ($e311 (distinct ?e170 ?e189))
+(flet ($e312 (p0 ?e185 ?e208))
+(flet ($e313 (> ?e143 ?e214))
+(flet ($e314 (= ?e125 ?e194))
+(flet ($e315 (distinct ?e204 ?e157))
+(flet ($e316 (<= ?e183 ?e150))
+(flet ($e317 (> ?e112 ?e113))
+(flet ($e318 (= ?e130 ?e123))
+(flet ($e319 (= ?e7 ?e213))
+(flet ($e320 (= v0 ?e174))
+(flet ($e321 (distinct ?e149 ?e171))
+(flet ($e322 (< ?e178 ?e158))
+(flet ($e323 (< ?e129 ?e155))
+(flet ($e324 (> ?e136 v1))
+(flet ($e325 (= ?e200 v0))
+(flet ($e326 (> ?e162 ?e147))
+(flet ($e327 (< ?e196 ?e182))
+(flet ($e328 (> ?e125 ?e132))
+(flet ($e329 (> ?e12 ?e215))
+(flet ($e330 (<= ?e202 ?e177))
+(flet ($e331 (<= ?e120 ?e114))
+(flet ($e332 (distinct ?e203 ?e132))
+(flet ($e333 (< ?e172 ?e190))
+(flet ($e334 (<= ?e193 ?e170))
+(flet ($e335 (>= ?e175 ?e193))
+(flet ($e336 (>= ?e187 ?e209))
+(flet ($e337 (> ?e19 ?e210))
+(flet ($e338 (> ?e18 ?e172))
+(flet ($e339 (distinct ?e210 ?e177))
+(flet ($e340 (distinct ?e19 ?e106))
+(flet ($e341 (= ?e134 ?e175))
+(flet ($e342 (< ?e21 ?e121))
+(flet ($e343 (> ?e199 ?e148))
+(flet ($e344 (<= ?e184 v2))
+(flet ($e345 (p0 ?e199 ?e137))
+(flet ($e346 (>= ?e15 ?e131))
+(flet ($e347 (< ?e131 ?e180))
+(flet ($e348 (< ?e206 ?e12))
+(flet ($e349 (< ?e173 ?e147))
+(flet ($e350 (<= ?e142 ?e115))
+(flet ($e351 (distinct ?e223 v1))
+(flet ($e352 (> ?e217 ?e187))
+(flet ($e353 (> ?e12 ?e163))
+(flet ($e354 (> ?e15 ?e153))
+(flet ($e355 (>= ?e184 ?e163))
+(flet ($e356 (p0 ?e210 ?e212))
+(flet ($e357 (>= ?e193 ?e114))
+(flet ($e358 (> ?e108 ?e187))
+(flet ($e359 (p0 ?e222 ?e224))
+(flet ($e360 (>= ?e128 ?e168))
+(flet ($e361 (distinct ?e186 ?e18))
+(flet ($e362 (< ?e117 ?e179))
+(flet ($e363 (> ?e199 ?e200))
+(flet ($e364 (<= ?e201 ?e179))
+(flet ($e365 (<= ?e120 ?e187))
+(flet ($e366 (p0 ?e151 ?e188))
+(flet ($e367 (> ?e149 ?e135))
+(flet ($e368 (< ?e205 ?e142))
+(flet ($e369 (>= ?e126 ?e220))
+(flet ($e370 (>= ?e151 ?e169))
+(flet ($e371 (p0 ?e115 ?e126))
+(flet ($e372 (<= ?e22 ?e123))
+(flet ($e373 (>= v0 ?e153))
+(flet ($e374 (> ?e14 ?e128))
+(flet ($e375 (= ?e163 ?e118))
+(flet ($e376 (<= ?e204 ?e135))
+(flet ($e377 (p0 ?e210 ?e167))
+(flet ($e378 (= ?e124 ?e213))
+(flet ($e379 (distinct ?e13 ?e194))
+(flet ($e380 (< ?e171 ?e15))
+(flet ($e381 (< ?e15 ?e156))
+(flet ($e382 (= ?e140 ?e206))
+(flet ($e383 (<= ?e123 v1))
+(flet ($e384 (> ?e194 ?e138))
+(flet ($e385 (= ?e107 ?e127))
+(flet ($e386 (> ?e155 ?e142))
+(flet ($e387 (distinct ?e177 ?e153))
+(flet ($e388 (distinct ?e9 ?e23))
+(flet ($e389 (= ?e136 ?e207))
+(flet ($e390 (= ?e151 ?e212))
+(flet ($e391 (distinct ?e192 ?e218))
+(flet ($e392 (= ?e151 ?e222))
+(flet ($e393 (> ?e195 ?e204))
+(flet ($e394 (= ?e214 ?e121))
+(flet ($e395 (= ?e207 ?e157))
+(flet ($e396 (< ?e205 ?e190))
+(flet ($e397 (>= ?e206 ?e215))
+(flet ($e398 (>= ?e178 ?e210))
+(flet ($e399 (= ?e6 ?e136))
+(flet ($e400 (>= ?e7 ?e150))
+(flet ($e401 (= ?e146 ?e174))
+(flet ($e402 (p0 ?e220 ?e207))
+(flet ($e403 (>= ?e20 ?e131))
+(flet ($e404 (< ?e126 ?e211))
+(flet ($e405 (> ?e208 ?e121))
+(flet ($e406 (< ?e131 ?e222))
+(flet ($e407 (= ?e184 ?e168))
+(flet ($e408 (= ?e210 v2))
+(flet ($e409 (p0 ?e215 ?e147))
+(flet ($e410 (distinct ?e195 ?e108))
+(flet ($e411 (p0 ?e140 ?e151))
+(flet ($e412 (p0 ?e125 ?e214))
+(flet ($e413 (distinct ?e218 ?e167))
+(flet ($e414 (= ?e136 ?e206))
+(flet ($e415 (= ?e22 ?e213))
+(flet ($e416 (>= ?e203 ?e155))
+(flet ($e417 (distinct ?e109 ?e120))
+(flet ($e418 (= ?e112 ?e160))
+(flet ($e419 (> ?e17 ?e146))
+(flet ($e420 (>= ?e200 ?e161))
+(flet ($e421 (>= ?e221 ?e171))
+(flet ($e422 (= ?e157 ?e210))
+(flet ($e423 (> ?e120 ?e118))
+(flet ($e424 (< ?e113 ?e165))
+(flet ($e425 (< ?e183 ?e197))
+(flet ($e426 (<= ?e211 ?e197))
+(flet ($e427 (= ?e136 ?e195))
+(flet ($e428 (= ?e216 ?e222))
+(flet ($e429 (p0 ?e178 ?e204))
+(flet ($e430 (<= ?e111 ?e195))
+(flet ($e431 (> ?e13 ?e199))
+(flet ($e432 (p0 ?e195 ?e136))
+(flet ($e433 (> ?e210 ?e109))
+(flet ($e434 (= ?e15 v2))
+(flet ($e435 (>= ?e168 ?e220))
+(flet ($e436 (< ?e108 ?e213))
+(flet ($e437 (distinct ?e155 ?e142))
+(flet ($e438 (>= ?e173 ?e185))
+(flet ($e439 (= ?e196 ?e209))
+(flet ($e440 (p0 ?e124 ?e15))
+(flet ($e441 (>= v1 ?e200))
+(flet ($e442 (<= ?e132 ?e106))
+(flet ($e443 (p0 ?e15 ?e168))
+(flet ($e444 (>= ?e145 ?e139))
+(flet ($e445 (= ?e198 ?e146))
+(flet ($e446 (= ?e119 ?e140))
+(flet ($e447 (>= ?e16 ?e177))
+(flet ($e448 (< ?e221 ?e200))
+(flet ($e449 (= ?e8 ?e18))
+(flet ($e450 (<= ?e132 ?e134))
+(flet ($e451 (p0 ?e164 v0))
+(flet ($e452 (>= ?e123 ?e12))
+(flet ($e453 (distinct ?e214 ?e199))
+(flet ($e454 (< ?e16 ?e195))
+(flet ($e455 (= ?e6 ?e159))
+(flet ($e456 (> v0 ?e196))
+(flet ($e457 (distinct ?e225 ?e221))
+(flet ($e458 (>= ?e163 ?e146))
+(flet ($e459 (distinct ?e225 ?e212))
+(flet ($e460 (= ?e8 ?e218))
+(flet ($e461 (p0 ?e211 ?e205))
+(flet ($e462 (>= ?e118 ?e176))
+(flet ($e463 (distinct ?e156 ?e171))
+(flet ($e464 (> ?e121 ?e191))
+(flet ($e465 (= ?e202 ?e190))
+(flet ($e466 (= ?e141 ?e149))
+(flet ($e467 (= ?e203 ?e143))
+(flet ($e468 (>= ?e213 ?e132))
+(flet ($e469 (p0 ?e16 ?e161))
+(flet ($e470 (distinct ?e116 v0))
+(flet ($e471 (= ?e156 ?e153))
+(flet ($e472 (p0 ?e130 ?e114))
+(flet ($e473 (<= ?e169 ?e161))
+(flet ($e474 (p0 ?e129 ?e203))
+(flet ($e475 (distinct ?e22 ?e119))
+(flet ($e476 (> ?e194 ?e158))
+(flet ($e477 (> ?e173 ?e222))
+(flet ($e478 (>= ?e112 ?e137))
+(flet ($e479 (< ?e219 ?e120))
+(flet ($e480 (p0 ?e109 ?e211))
+(flet ($e481 (< ?e162 ?e18))
+(flet ($e482 (< ?e160 ?e138))
+(flet ($e483 (p0 ?e111 ?e206))
+(flet ($e484 (<= ?e122 ?e17))
+(flet ($e485 (>= ?e144 ?e171))
+(flet ($e486 (implies $e97 $e362))
+(flet ($e487 (or $e47 $e428))
+(flet ($e488 (implies $e401 $e238))
+(flet ($e489 (xor $e308 $e55))
+(flet ($e490 (not $e60))
+(flet ($e491 (xor $e78 $e366))
+(flet ($e492 (not $e283))
+(flet ($e493 (iff $e353 $e404))
+(flet ($e494 (implies $e446 $e228))
+(flet ($e495 (iff $e259 $e386))
+(flet ($e496 (iff $e236 $e226))
+(flet ($e497 (iff $e394 $e322))
+(flet ($e498 (xor $e255 $e290))
+(flet ($e499 (not $e459))
+(flet ($e500 (or $e277 $e306))
+(flet ($e501 (or $e414 $e81))
+(flet ($e502 (if_then_else $e286 $e475 $e243))
+(flet ($e503 (or $e447 $e449))
+(flet ($e504 (xor $e252 $e288))
+(flet ($e505 (iff $e365 $e339))
+(flet ($e506 (or $e390 $e418))
+(flet ($e507 (and $e51 $e317))
+(flet ($e508 (or $e270 $e30))
+(flet ($e509 (or $e332 $e321))
+(flet ($e510 (implies $e361 $e298))
+(flet ($e511 (not $e29))
+(flet ($e512 (or $e346 $e264))
+(flet ($e513 (not $e399))
+(flet ($e514 (if_then_else $e413 $e94 $e327))
+(flet ($e515 (implies $e261 $e42))
+(flet ($e516 (not $e482))
+(flet ($e517 (or $e325 $e280))
+(flet ($e518 (and $e25 $e452))
+(flet ($e519 (iff $e347 $e481))
+(flet ($e520 (implies $e516 $e409))
+(flet ($e521 (not $e457))
+(flet ($e522 (implies $e348 $e388))
+(flet ($e523 (xor $e103 $e241))
+(flet ($e524 (and $e305 $e326))
+(flet ($e525 (iff $e488 $e44))
+(flet ($e526 (and $e387 $e250))
+(flet ($e527 (iff $e389 $e383))
+(flet ($e528 (iff $e382 $e318))
+(flet ($e529 (and $e239 $e511))
+(flet ($e530 (and $e296 $e439))
+(flet ($e531 (or $e292 $e26))
+(flet ($e532 (not $e301))
+(flet ($e533 (implies $e320 $e431))
+(flet ($e534 (not $e262))
+(flet ($e535 (implies $e514 $e456))
+(flet ($e536 (if_then_else $e485 $e468 $e49))
+(flet ($e537 (or $e79 $e479))
+(flet ($e538 (if_then_else $e274 $e460 $e393))
+(flet ($e539 (xor $e343 $e297))
+(flet ($e540 (xor $e265 $e532))
+(flet ($e541 (iff $e340 $e429))
+(flet ($e542 (not $e61))
+(flet ($e543 (if_then_else $e82 $e260 $e46))
+(flet ($e544 (iff $e367 $e465))
+(flet ($e545 (not $e66))
+(flet ($e546 (not $e54))
+(flet ($e547 (or $e237 $e358))
+(flet ($e548 (and $e539 $e400))
+(flet ($e549 (or $e249 $e368))
+(flet ($e550 (if_then_else $e427 $e377 $e526))
+(flet ($e551 (implies $e229 $e287))
+(flet ($e552 (implies $e396 $e518))
+(flet ($e553 (and $e517 $e430))
+(flet ($e554 (and $e331 $e437))
+(flet ($e555 (xor $e553 $e314))
+(flet ($e556 (and $e469 $e263))
+(flet ($e557 (if_then_else $e335 $e461 $e524))
+(flet ($e558 (if_then_else $e24 $e48 $e48))
+(flet ($e559 (implies $e324 $e304))
+(flet ($e560 (xor $e379 $e300))
+(flet ($e561 (not $e455))
+(flet ($e562 (xor $e27 $e59))
+(flet ($e563 (and $e445 $e311))
+(flet ($e564 (implies $e275 $e512))
+(flet ($e565 (iff $e498 $e484))
+(flet ($e566 (if_then_else $e43 $e336 $e282))
+(flet ($e567 (iff $e458 $e513))
+(flet ($e568 (iff $e356 $e315))
+(flet ($e569 (if_then_else $e550 $e235 $e310))
+(flet ($e570 (or $e487 $e422))
+(flet ($e571 (implies $e506 $e534))
+(flet ($e572 (xor $e99 $e547))
+(flet ($e573 (and $e68 $e88))
+(flet ($e574 (iff $e100 $e472))
+(flet ($e575 (iff $e542 $e556))
+(flet ($e576 (or $e385 $e350))
+(flet ($e577 (xor $e90 $e536))
+(flet ($e578 (iff $e505 $e234))
+(flet ($e579 (iff $e360 $e374))
+(flet ($e580 (iff $e391 $e573))
+(flet ($e581 (xor $e65 $e370))
+(flet ($e582 (if_then_else $e490 $e426 $e559))
+(flet ($e583 (not $e71))
+(flet ($e584 (not $e276))
+(flet ($e585 (and $e72 $e502))
+(flet ($e586 (and $e436 $e552))
+(flet ($e587 (and $e375 $e267))
+(flet ($e588 (not $e574))
+(flet ($e589 (not $e434))
+(flet ($e590 (not $e581))
+(flet ($e591 (not $e299))
+(flet ($e592 (and $e411 $e345))
+(flet ($e593 (and $e41 $e486))
+(flet ($e594 (and $e302 $e93))
+(flet ($e595 (not $e543))
+(flet ($e596 (if_then_else $e85 $e395 $e70))
+(flet ($e597 (or $e273 $e36))
+(flet ($e598 (implies $e371 $e525))
+(flet ($e599 (and $e507 $e582))
+(flet ($e600 (not $e403))
+(flet ($e601 (implies $e480 $e594))
+(flet ($e602 (xor $e231 $e271))
+(flet ($e603 (or $e384 $e580))
+(flet ($e604 (implies $e565 $e35))
+(flet ($e605 (or $e546 $e548))
+(flet ($e606 (implies $e92 $e233))
+(flet ($e607 (if_then_else $e601 $e102 $e500))
+(flet ($e608 (if_then_else $e67 $e392 $e52))
+(flet ($e609 (or $e266 $e39))
+(flet ($e610 (implies $e575 $e599))
+(flet ($e611 (xor $e566 $e293))
+(flet ($e612 (if_then_else $e602 $e330 $e529))
+(flet ($e613 (or $e603 $e256))
+(flet ($e614 (and $e590 $e483))
+(flet ($e615 (not $e415))
+(flet ($e616 (if_then_else $e64 $e373 $e352))
+(flet ($e617 (and $e540 $e489))
+(flet ($e618 (and $e560 $e560))
+(flet ($e619 (not $e281))
+(flet ($e620 (if_then_else $e291 $e521 $e451))
+(flet ($e621 (and $e230 $e528))
+(flet ($e622 (or $e519 $e617))
+(flet ($e623 (and $e329 $e577))
+(flet ($e624 (or $e571 $e606))
+(flet ($e625 (or $e610 $e313))
+(flet ($e626 (not $e477))
+(flet ($e627 (xor $e435 $e378))
+(flet ($e628 (and $e530 $e307))
+(flet ($e629 (not $e96))
+(flet ($e630 (not $e76))
+(flet ($e631 (and $e355 $e621))
+(flet ($e632 (implies $e412 $e495))
+(flet ($e633 (not $e31))
+(flet ($e634 (and $e363 $e632))
+(flet ($e635 (not $e440))
+(flet ($e636 (implies $e463 $e607))
+(flet ($e637 (if_then_else $e576 $e309 $e32))
+(flet ($e638 (or $e433 $e557))
+(flet ($e639 (if_then_else $e77 $e568 $e80))
+(flet ($e640 (not $e242))
+(flet ($e641 (iff $e333 $e53))
+(flet ($e642 (or $e541 $e474))
+(flet ($e643 (xor $e470 $e87))
+(flet ($e644 (or $e624 $e269))
+(flet ($e645 (not $e535))
+(flet ($e646 (and $e612 $e407))
+(flet ($e647 (iff $e62 $e316))
+(flet ($e648 (xor $e600 $e45))
+(flet ($e649 (if_then_else $e608 $e627 $e634))
+(flet ($e650 (and $e246 $e372))
+(flet ($e651 (if_then_else $e227 $e626 $e503))
+(flet ($e652 (iff $e337 $e397))
+(flet ($e653 (implies $e645 $e583))
+(flet ($e654 (and $e551 $e398))
+(flet ($e655 (not $e417))
+(flet ($e656 (implies $e527 $e563))
+(flet ($e657 (or $e38 $e636))
+(flet ($e658 (xor $e232 $e448))
+(flet ($e659 (or $e616 $e57))
+(flet ($e660 (iff $e558 $e589))
+(flet ($e661 (not $e442))
+(flet ($e662 (xor $e416 $e649))
+(flet ($e663 (xor $e75 $e578))
+(flet ($e664 (implies $e476 $e258))
+(flet ($e665 (or $e655 $e424))
+(flet ($e666 (not $e295))
+(flet ($e667 (not $e646))
+(flet ($e668 (if_then_else $e462 $e663 $e33))
+(flet ($e669 (iff $e572 $e662))
+(flet ($e670 (not $e357))
+(flet ($e671 (iff $e510 $e254))
+(flet ($e672 (xor $e272 $e641))
+(flet ($e673 (or $e604 $e251))
+(flet ($e674 (implies $e34 $e338))
+(flet ($e675 (if_then_else $e37 $e381 $e303))
+(flet ($e676 (iff $e544 $e253))
+(flet ($e677 (implies $e673 $e654))
+(flet ($e678 (not $e661))
+(flet ($e679 (or $e667 $e95))
+(flet ($e680 (implies $e587 $e319))
+(flet ($e681 (implies $e596 $e471))
+(flet ($e682 (not $e651))
+(flet ($e683 (and $e515 $e656))
+(flet ($e684 (implies $e497 $e501))
+(flet ($e685 (xor $e402 $e478))
+(flet ($e686 (not $e666))
+(flet ($e687 (iff $e450 $e354))
+(flet ($e688 (iff $e623 $e643))
+(flet ($e689 (implies $e376 $e554))
+(flet ($e690 (iff $e342 $e638))
+(flet ($e691 (implies $e671 $e562))
+(flet ($e692 (and $e682 $e630))
+(flet ($e693 (or $e633 $e323))
+(flet ($e694 (and $e650 $e91))
+(flet ($e695 (and $e648 $e56))
+(flet ($e696 (xor $e351 $e441))
+(flet ($e697 (not $e244))
+(flet ($e698 (or $e678 $e499))
+(flet ($e699 (or $e618 $e248))
+(flet ($e700 (or $e586 $e653))
+(flet ($e701 (xor $e597 $e364))
+(flet ($e702 (and $e684 $e278))
+(flet ($e703 (or $e683 $e657))
+(flet ($e704 (and $e408 $e652))
+(flet ($e705 (iff $e28 $e692))
+(flet ($e706 (xor $e454 $e701))
+(flet ($e707 (if_then_else $e672 $e664 $e257))
+(flet ($e708 (if_then_else $e660 $e613 $e588))
+(flet ($e709 (xor $e695 $e659))
+(flet ($e710 (implies $e706 $e593))
+(flet ($e711 (xor $e443 $e537))
+(flet ($e712 (implies $e69 $e591))
+(flet ($e713 (not $e622))
+(flet ($e714 (xor $e545 $e50))
+(flet ($e715 (and $e620 $e40))
+(flet ($e716 (not $e285))
+(flet ($e717 (xor $e523 $e689))
+(flet ($e718 (if_then_else $e665 $e531 $e670))
+(flet ($e719 (implies $e555 $e716))
+(flet ($e720 (xor $e698 $e669))
+(flet ($e721 (or $e585 $e98))
+(flet ($e722 (xor $e561 $e538))
+(flet ($e723 (xor $e492 $e268))
+(flet ($e724 (iff $e509 $e569))
+(flet ($e725 (if_then_else $e675 $e685 $e699))
+(flet ($e726 (xor $e676 $e691))
+(flet ($e727 (implies $e104 $e467))
+(flet ($e728 (xor $e419 $e709))
+(flet ($e729 (if_then_else $e631 $e496 $e640))
+(flet ($e730 (xor $e680 $e284))
+(flet ($e731 (iff $e609 $e609))
+(flet ($e732 (not $e438))
+(flet ($e733 (if_then_else $e567 $e642 $e693))
+(flet ($e734 (or $e637 $e731))
+(flet ($e735 (if_then_else $e101 $e635 $e584))
+(flet ($e736 (not $e679))
+(flet ($e737 (or $e719 $e732))
+(flet ($e738 (implies $e344 $e734))
+(flet ($e739 (or $e406 $e718))
+(flet ($e740 (and $e721 $e453))
+(flet ($e741 (iff $e491 $e58))
+(flet ($e742 (or $e423 $e700))
+(flet ($e743 (and $e724 $e520))
+(flet ($e744 (iff $e294 $e710))
+(flet ($e745 (not $e410))
+(flet ($e746 (iff $e725 $e473))
+(flet ($e747 (implies $e493 $e359))
+(flet ($e748 (implies $e681 $e349))
+(flet ($e749 (xor $e421 $e595))
+(flet ($e750 (implies $e639 $e735))
+(flet ($e751 (or $e712 $e714))
+(flet ($e752 (and $e549 $e508))
+(flet ($e753 (not $e625))
+(flet ($e754 (implies $e598 $e369))
+(flet ($e755 (and $e564 $e728))
+(flet ($e756 (and $e744 $e89))
+(flet ($e757 (not $e105))
+(flet ($e758 (and $e687 $e752))
+(flet ($e759 (or $e707 $e717))
+(flet ($e760 (xor $e240 $e63))
+(flet ($e761 (or $e746 $e754))
+(flet ($e762 (implies $e466 $e380))
+(flet ($e763 (iff $e592 $e644))
+(flet ($e764 (xor $e738 $e83))
+(flet ($e765 (xor $e720 $e751))
+(flet ($e766 (or $e420 $e739))
+(flet ($e767 (implies $e726 $e289))
+(flet ($e768 (iff $e703 $e341))
+(flet ($e769 (if_then_else $e432 $e674 $e764))
+(flet ($e770 (iff $e74 $e658))
+(flet ($e771 (and $e742 $e704))
+(flet ($e772 (if_then_else $e570 $e743 $e84))
+(flet ($e773 (xor $e425 $e748))
+(flet ($e774 (iff $e759 $e668))
+(flet ($e775 (not $e769))
+(flet ($e776 (iff $e775 $e504))
+(flet ($e777 (implies $e768 $e772))
+(flet ($e778 (and $e328 $e708))
+(flet ($e779 (not $e761))
+(flet ($e780 (or $e740 $e686))
+(flet ($e781 (iff $e628 $e711))
+(flet ($e782 (not $e766))
+(flet ($e783 (implies $e757 $e780))
+(flet ($e784 (or $e444 $e779))
+(flet ($e785 (implies $e765 $e729))
+(flet ($e786 (iff $e767 $e756))
+(flet ($e787 (not $e750))
+(flet ($e788 (not $e677))
+(flet ($e789 (if_then_else $e773 $e605 $e705))
+(flet ($e790 (not $e312))
+(flet ($e791 (if_then_else $e749 $e783 $e713))
+(flet ($e792 (iff $e762 $e522))
+(flet ($e793 (xor $e760 $e279))
+(flet ($e794 (or $e755 $e73))
+(flet ($e795 (and $e690 $e776))
+(flet ($e796 (if_then_else $e789 $e247 $e334))
+(flet ($e797 (not $e793))
+(flet ($e798 (if_then_else $e688 $e782 $e727))
+(flet ($e799 (iff $e741 $e614))
+(flet ($e800 (and $e494 $e791))
+(flet ($e801 (if_then_else $e730 $e798 $e781))
+(flet ($e802 (implies $e736 $e777))
+(flet ($e803 (not $e696))
+(flet ($e804 (xor $e533 $e694))
+(flet ($e805 (if_then_else $e615 $e723 $e747))
+(flet ($e806 (iff $e799 $e405))
+(flet ($e807 (not $e805))
+(flet ($e808 (and $e794 $e787))
+(flet ($e809 (implies $e802 $e245))
+(flet ($e810 (not $e808))
+(flet ($e811 (not $e770))
+(flet ($e812 (or $e629 $e745))
+(flet ($e813 (xor $e797 $e812))
+(flet ($e814 (not $e763))
+(flet ($e815 (iff $e806 $e806))
+(flet ($e816 (not $e758))
+(flet ($e817 (and $e737 $e733))
+(flet ($e818 (or $e722 $e792))
+(flet ($e819 (or $e803 $e804))
+(flet ($e820 (or $e611 $e647))
+(flet ($e821 (and $e810 $e702))
+(flet ($e822 (or $e817 $e817))
+(flet ($e823 (or $e821 $e786))
+(flet ($e824 (not $e771))
+(flet ($e825 (if_then_else $e807 $e619 $e809))
+(flet ($e826 (implies $e464 $e790))
+(flet ($e827 (or $e715 $e579))
+(flet ($e828 (if_then_else $e784 $e697 $e818))
+(flet ($e829 (if_then_else $e825 $e814 $e811))
+(flet ($e830 (and $e828 $e800))
+(flet ($e831 (not $e826))
+(flet ($e832 (if_then_else $e830 $e819 $e830))
+(flet ($e833 (iff $e832 $e829))
+(flet ($e834 (xor $e785 $e827))
+(flet ($e835 (implies $e824 $e824))
+(flet ($e836 (not $e778))
+(flet ($e837 (not $e834))
+(flet ($e838 (not $e831))
+(flet ($e839 (xor $e836 $e836))
+(flet ($e840 (or $e820 $e801))
+(flet ($e841 (and $e813 $e815))
+(flet ($e842 (xor $e788 $e837))
+(flet ($e843 (and $e838 $e823))
+(flet ($e844 (xor $e835 $e841))
+(flet ($e845 (implies $e796 $e774))
+(flet ($e846 (and $e816 $e753))
+(flet ($e847 (not $e845))
+(flet ($e848 (or $e842 $e833))
+(flet ($e849 (if_then_else $e847 $e840 $e822))
+(flet ($e850 (and $e846 $e86))
+(flet ($e851 (xor $e849 $e844))
+(flet ($e852 (xor $e795 $e848))
+(flet ($e853 (iff $e843 $e839))
+(flet ($e854 (not $e852))
+(flet ($e855 (or $e853 $e854))
+(flet ($e856 (if_then_else $e851 $e855 $e850))
+$e856
+)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))
+
generated by cgit on debian on lair
contact matthew@masot.net with questions or feedback