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-rw-r--r--src/util/options.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/util/options.cpp b/src/util/options.cpp
index b6956a31b..b6a306ee0 100644
--- a/src/util/options.cpp
+++ b/src/util/options.cpp
@@ -110,6 +110,7 @@ Options::Options() :
ufSymmetryBreaker(false),
ufSymmetryBreakerSetByUser(false),
dioSolver(true),
+ arithRewriteEq(true),
lemmaOutputChannel(NULL),
lemmaInputChannel(NULL),
threads(2),// default should be 1 probably, but say 2 for now
@@ -183,6 +184,7 @@ Additional CVC4 options:\n\
--enable-symmetry-breaker turns on UF symmetry breaker (Deharbe et al., CADE 2011) [on by default only for QF_UF]\n\
--disable-symmetry-breaker turns off UF symmetry breaker\n\
--disable-dio-solver turns off Linear Diophantine Equation solver (Griggio, JSAT 2012)\n\
+ --disable-arith-rewrite-equalities turns off the preprocessing rewrite turning equalities into a conjunction of inequalities.\n \
--threads=N sets the number of solver threads\n\
--threadN=string configures thread N (0..#threads-1)\n\
--filter-lemma-length=N don't share lemmas strictly longer than N\n\
@@ -356,6 +358,7 @@ enum OptionValue {
ARITHMETIC_PIVOT_THRESHOLD,
ARITHMETIC_PROP_MAX_LENGTH,
ARITHMETIC_DIO_SOLVER,
+ ARITHMETIC_REWRITE_EQUALITIES,
ENABLE_SYMMETRY_BREAKER,
DISABLE_SYMMETRY_BREAKER,
PARALLEL_THREADS,
@@ -445,6 +448,7 @@ static struct option cmdlineOptions[] = {
{ "print-winner", no_argument , NULL, PRINT_WINNER },
{ "disable-arithmetic-propagation", no_argument, NULL, ARITHMETIC_PROPAGATION },
{ "disable-dio-solver", no_argument, NULL, ARITHMETIC_DIO_SOLVER },
+ { "disable-arith-rewrite-equalities", no_argument, NULL, ARITHMETIC_REWRITE_EQUALITIES },
{ "enable-symmetry-breaker", no_argument, NULL, ENABLE_SYMMETRY_BREAKER },
{ "disable-symmetry-breaker", no_argument, NULL, DISABLE_SYMMETRY_BREAKER },
{ "threads", required_argument, NULL, PARALLEL_THREADS },
@@ -796,6 +800,10 @@ throw(OptionException) {
dioSolver = false;
break;
+ case ARITHMETIC_REWRITE_EQUALITIES:
+ arithRewriteEq = false;
+ break;
+
case ENABLE_SYMMETRY_BREAKER:
ufSymmetryBreaker = true;
ufSymmetryBreakerSetByUser = true;
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