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-rw-r--r--test/CXX/ArrayNew.cpp3
-rw-r--r--test/CXX/New.cpp3
-rw-r--r--test/CXX/SimpleVirtual.cpp3
-rw-r--r--test/CXX/StaticConstructor.cpp3
-rw-r--r--test/CXX/StaticDestructor.cpp5
-rw-r--r--test/CXX/Trivial.cpp3
-rw-r--r--test/Coverage/ReadArgs.c6
-rw-r--r--test/Dogfood/ImmutableSet.cpp3
-rw-r--r--test/Feature/Alias.c3
-rw-r--r--test/Feature/AliasFunction.c3
-rw-r--r--test/Feature/AliasFunctionExit.c3
-rw-r--r--test/Feature/AsmAddresses.c7
-rw-r--r--test/Feature/BitcastAlias.ll3
-rw-r--r--test/Feature/ByteSwap.c3
-rw-r--r--test/Feature/CallToUndefinedExternal.cpp5
-rw-r--r--test/Feature/CheckForImpliedValue.c.failing3
-rw-r--r--test/Feature/CheckMemoryAccess.c3
-rw-r--r--test/Feature/ConstantStruct.ll3
-rw-r--r--test/Feature/CopyOnWrite.c3
-rw-r--r--test/Feature/DanglingConcreteReadExpr.c5
-rw-r--r--test/Feature/DefineFixedObject.c3
-rw-r--r--test/Feature/DoubleFree.c5
-rw-r--r--test/Feature/DumpStatesOnHalt.c5
-rw-r--r--test/Feature/Envp.c3
-rw-r--r--test/Feature/ExprLogging.c11
-rw-r--r--test/Feature/ExternalWeakLinkage.c3
-rw-r--r--test/Feature/Float.c3
-rw-r--r--test/Feature/FloatingPt.c3
-rw-r--r--test/Feature/FunctionPointer.c3
-rw-r--r--test/Feature/GetElementPtr.ll3
-rw-r--r--test/Feature/GetValue.c3
-rw-r--r--test/Feature/ImpliedValue.c.failing5
-rw-r--r--test/Feature/InAndOutOfBounds.c11
-rw-r--r--test/Feature/IndirectCallToBuiltin.c3
-rw-r--r--test/Feature/IndirectCallToExternal.c3
-rw-r--r--test/Feature/InsertExtractValue.ll3
-rw-r--r--test/Feature/IntrinsicTrap.ll5
-rw-r--r--test/Feature/InvalidBitfieldAccess.c.failing3
-rw-r--r--test/Feature/IsSymbolic.c3
-rw-r--r--test/Feature/KleeReportError.c9
-rw-r--r--test/Feature/LargeReturnTypes.cpp3
-rw-r--r--test/Feature/LongDouble.cpp3
-rw-r--r--test/Feature/LongDoubleSupport.c3
-rw-r--r--test/Feature/LowerSwitch.c11
-rw-r--r--test/Feature/MakeConcreteSymbolic.c11
-rw-r--r--test/Feature/MakeSymbolicName.c3
-rw-r--r--test/Feature/MemoryLimit.c6
-rw-r--r--test/Feature/MultipleFreeResolution.c13
-rw-r--r--test/Feature/MultipleReadResolution.c3
-rw-r--r--test/Feature/MultipleReallocResolution.c7
-rw-r--r--test/Feature/MultipleWriteResolution.c3
-rw-r--r--test/Feature/NamedSeedMatching.c12
-rw-r--r--test/Feature/OneFreeError.c7
-rw-r--r--test/Feature/OneOutOfBounds.c7
-rw-r--r--test/Feature/Optimize.c3
-rw-r--r--test/Feature/Overflow.ll3
-rw-r--r--test/Feature/OverflowMul.ll3
-rw-r--r--test/Feature/OverlappedError.c7
-rw-r--r--test/Feature/OvershiftCheck.c7
-rw-r--r--test/Feature/PreferCex.c5
-rw-r--r--test/Feature/RaiseAsm.c3
-rw-r--r--test/Feature/Realloc.c3
-rw-r--r--test/Feature/ReplayPath.c7
-rw-r--r--test/Feature/Searchers.c54
-rw-r--r--test/Feature/SetForking.c3
-rw-r--r--test/Feature/SolverTimeout.c3
-rw-r--r--test/Feature/Vararg.c5
-rw-r--r--test/Feature/WithLibc.c3
-rw-r--r--test/Feature/WriteCov.c19
-rw-r--r--test/Feature/arithmetic-right-overshift-sym-conc.c7
-rw-r--r--test/Feature/consecutive_divide_by_zero.c7
-rw-r--r--test/Feature/const_array_opt1.c3
-rw-r--r--test/Feature/left-overshift-sym-conc.c7
-rw-r--r--test/Feature/logical-right-overshift-sym-conc.c7
-rw-r--r--test/Makefile5
-rw-r--r--test/Programs/pcregrep.c3
-rw-r--r--test/Runtime/POSIX/DirConsistency.c6
-rw-r--r--test/Runtime/POSIX/DirSeek.c9
-rw-r--r--test/Runtime/POSIX/FDNumbers.c3
-rw-r--r--test/Runtime/POSIX/FD_Fail.c3
-rw-r--r--test/Runtime/POSIX/FD_Fail2.c17
-rw-r--r--test/Runtime/POSIX/Fcntl.c3
-rw-r--r--test/Runtime/POSIX/FilePerm.c9
-rw-r--r--test/Runtime/POSIX/FreeArgv.c9
-rw-r--r--test/Runtime/POSIX/Futimesat.c3
-rw-r--r--test/Runtime/POSIX/Getenv.c3
-rw-r--r--test/Runtime/POSIX/Ioctl.c3
-rw-r--r--test/Runtime/POSIX/Isatty.c11
-rw-r--r--test/Runtime/POSIX/Openat.c5
-rw-r--r--test/Runtime/POSIX/PrgName.c7
-rw-r--r--test/Runtime/POSIX/Read1.c3
-rw-r--r--test/Runtime/POSIX/SELinux/SELinux.c3
-rw-r--r--test/Runtime/POSIX/SeedAndFail.c9
-rw-r--r--test/Runtime/POSIX/Stdin.c3
-rw-r--r--test/Runtime/POSIX/Write1.c3
-rw-r--r--test/Runtime/POSIX/Write2.c3
-rw-r--r--test/Runtime/Uclibc/2007-10-08-optimization-calls-wrong-libc-functions.c3
-rw-r--r--test/Runtime/Uclibc/2008-03-04-libc-atexit-uses-dso-handle.c3
-rw-r--r--test/Runtime/Uclibc/Environ.c3
-rw-r--r--test/regression/2007-07-25-invalid-stp-array-binding-to-objectstate.c3
-rw-r--r--test/regression/2007-07-30-unflushed-byte.c3
-rw-r--r--test/regression/2007-08-01-bool-zext-in-call.ll12
-rw-r--r--test/regression/2007-08-01-cache-unclear-on-overwrite-flushed.c3
-rw-r--r--test/regression/2007-08-06-64bit-shift.c3
-rw-r--r--test/regression/2007-08-06-access-after-free.c3
-rw-r--r--test/regression/2007-08-08-free-zero.c5
-rw-r--r--test/regression/2007-08-16-invalid-constant-value.c3
-rw-r--r--test/regression/2007-08-16-valid-write-to-freed-object.c3
-rw-r--r--test/regression/2007-10-11-free-of-alloca.c7
-rw-r--r--test/regression/2007-10-11-illegal-access-after-free-and-branch.c7
-rw-r--r--test/regression/2007-10-12-failed-make-symbolic-after-copy.c5
-rw-r--r--test/regression/2008-03-04-free-of-global.c7
-rw-r--r--test/regression/2008-03-11-free-of-malloc-zero.c3
-rw-r--r--test/regression/2008-04-10-bad-alloca-free.c3
-rw-r--r--test/regression/2008-05-23-gep-with-global-const.c3
-rw-r--r--test/regression/2012-05-13-asm-causes-aborts.c3
-rw-r--r--test/regression/2014-07-04-unflushed-error-report.c7
117 files changed, 386 insertions, 243 deletions
diff --git a/test/CXX/ArrayNew.cpp b/test/CXX/ArrayNew.cpp
index b564316d..6a54083a 100644
--- a/test/CXX/ArrayNew.cpp
+++ b/test/CXX/ArrayNew.cpp
@@ -1,5 +1,6 @@
 // RUN: %llvmgxx %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee --no-output --exit-on-error --no-externals %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --no-output --exit-on-error --no-externals %t1.bc
 
 #include <cassert>
 
diff --git a/test/CXX/New.cpp b/test/CXX/New.cpp
index f7ecf3be..5b90c7a4 100644
--- a/test/CXX/New.cpp
+++ b/test/CXX/New.cpp
@@ -1,5 +1,6 @@
 // RUN: %llvmgxx %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee --no-output --exit-on-error --no-externals %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --no-output --exit-on-error --no-externals %t1.bc
 
 #include <cassert>
 
diff --git a/test/CXX/SimpleVirtual.cpp b/test/CXX/SimpleVirtual.cpp
index 108722c6..b2db980d 100644
--- a/test/CXX/SimpleVirtual.cpp
+++ b/test/CXX/SimpleVirtual.cpp
@@ -1,5 +1,6 @@
 // RUN: %llvmgxx %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee --no-output --exit-on-error --no-externals %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --no-output --exit-on-error --no-externals %t1.bc
 
 #include <cassert>
 
diff --git a/test/CXX/StaticConstructor.cpp b/test/CXX/StaticConstructor.cpp
index 4974d59b..56fcb97b 100644
--- a/test/CXX/StaticConstructor.cpp
+++ b/test/CXX/StaticConstructor.cpp
@@ -1,5 +1,6 @@
 // RUN: %llvmgxx %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee --libc=klee --no-output --exit-on-error %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --libc=klee --no-output --exit-on-error %t1.bc
 
 #include <cassert>
 
diff --git a/test/CXX/StaticDestructor.cpp b/test/CXX/StaticDestructor.cpp
index 60390c2d..6e6f033d 100644
--- a/test/CXX/StaticDestructor.cpp
+++ b/test/CXX/StaticDestructor.cpp
@@ -1,8 +1,9 @@
 // don't optimize this, llvm likes to turn the *p into unreachable
 
 // RUN: %llvmgxx %s -emit-llvm -g -O0 -c -o %t1.bc
-// RUN: %klee --optimize=false --libc=uclibc --no-output %t1.bc 2> %t1.log
-// RUN: grep ":16: memory error" %t1.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --optimize=false --libc=uclibc --no-output %t1.bc 2> %t1.log
+// RUN: grep ":17: memory error" %t1.log
 
 #include <cassert>
 
diff --git a/test/CXX/Trivial.cpp b/test/CXX/Trivial.cpp
index 6c05459d..2b8ceed3 100644
--- a/test/CXX/Trivial.cpp
+++ b/test/CXX/Trivial.cpp
@@ -1,5 +1,6 @@
 // RUN: %llvmgxx %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee --no-output --exit-on-error %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --no-output --exit-on-error %t1.bc
 
 #include <cassert>
 
diff --git a/test/Coverage/ReadArgs.c b/test/Coverage/ReadArgs.c
index ddfb1747..1001dac1 100644
--- a/test/Coverage/ReadArgs.c
+++ b/test/Coverage/ReadArgs.c
@@ -1,8 +1,8 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: rm -rf %T/xxx
-// RUN: echo " --output-dir=%T/xxx " > %t1.args
+// RUN: rm -rf %t.klee-out
+// RUN: echo " --output-dir=%t.klee-out " > %t1.args
 // RUN: %klee --read-args %t1.args %t1.bc
-// RUN: test -d %T/xxx
+// RUN: test -d %t.klee-out
 
 int main() {
   return 0;
diff --git a/test/Dogfood/ImmutableSet.cpp b/test/Dogfood/ImmutableSet.cpp
index 95320a82..e4264b9b 100644
--- a/test/Dogfood/ImmutableSet.cpp
+++ b/test/Dogfood/ImmutableSet.cpp
@@ -1,5 +1,6 @@
 // RUN: %llvmgxx -I../../../include -g -DMAX_ELEMENTS=4 -fno-exceptions -emit-llvm -c -o %t1.bc %s
-// RUN: %klee --libc=klee --max-forks=200 --no-output --exit-on-error --optimize --disable-inlining --search=nurs:depth --use-cex-cache %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --libc=klee --max-forks=200 --no-output --exit-on-error --optimize --disable-inlining --search=nurs:depth --use-cex-cache %t1.bc
 
 #include "klee/klee.h"
 #include "klee/Internal/ADT/ImmutableSet.h"
diff --git a/test/Feature/Alias.c b/test/Feature/Alias.c
index 9300e2c7..381bcc2a 100644
--- a/test/Feature/Alias.c
+++ b/test/Feature/Alias.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -g -c -o %t1.bc
-// RUN: %klee --exit-on-error %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error %t1.bc
 
 // Darwin does not have strong aliases.
 // XFAIL: darwin
diff --git a/test/Feature/AliasFunction.c b/test/Feature/AliasFunction.c
index 176b152e..019ebe67 100644
--- a/test/Feature/AliasFunction.c
+++ b/test/Feature/AliasFunction.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc > %t1.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc > %t1.log
 // RUN: grep -c foo %t1.log | grep 5
 // RUN: grep -c bar %t1.log | grep 4
 
diff --git a/test/Feature/AliasFunctionExit.c b/test/Feature/AliasFunctionExit.c
index acfa4350..09ca8f46 100644
--- a/test/Feature/AliasFunctionExit.c
+++ b/test/Feature/AliasFunctionExit.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc > %t1.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc > %t1.log
 // RUN: grep -c START %t1.log | grep 1
 // RUN: grep -c END %t1.log | grep 2
 
diff --git a/test/Feature/AsmAddresses.c b/test/Feature/AsmAddresses.c
index d0b89ef1..cfe566af 100644
--- a/test/Feature/AsmAddresses.c
+++ b/test/Feature/AsmAddresses.c
@@ -1,7 +1,10 @@
 // RUN: %llvmgcc -emit-llvm -g -c -o %t.bc %s
-// RUN: %klee --exit-on-error --use-asm-addresses %t.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error --use-asm-addresses %t.bc
+
 // RUN: %llvmgcc -emit-llvm -DOVERLAP -g -c -o %t.bc %s
-// RUN: not %klee --exit-on-error --use-asm-addresses %t.bc
+// RUN: rm -rf %t.klee-out
+// RUN: not %klee --output-dir=%t.klee-out --exit-on-error --use-asm-addresses %t.bc
 
 #include <assert.h>
 
diff --git a/test/Feature/BitcastAlias.ll b/test/Feature/BitcastAlias.ll
index 711ed7ad..e0e3653f 100644
--- a/test/Feature/BitcastAlias.ll
+++ b/test/Feature/BitcastAlias.ll
@@ -1,5 +1,6 @@
 ; RUN: llvm-as %s -f -o %t1.bc
-; RUN: %klee -disable-opt %t1.bc > %t2
+; RUN: rm -rf %t.klee-out
+; RUN: %klee --output-dir=%t.klee-out -disable-opt %t1.bc > %t2
 ; RUN: grep PASS %t2
 
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
diff --git a/test/Feature/ByteSwap.c b/test/Feature/ByteSwap.c
index f85ac3b1..b6500a13 100644
--- a/test/Feature/ByteSwap.c
+++ b/test/Feature/ByteSwap.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee --libc=klee --exit-on-error %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --libc=klee --exit-on-error %t1.bc
 
 #include <arpa/inet.h>
 #include <assert.h>
diff --git a/test/Feature/CallToUndefinedExternal.cpp b/test/Feature/CallToUndefinedExternal.cpp
index 26e8fc55..b300d4e4 100644
--- a/test/Feature/CallToUndefinedExternal.cpp
+++ b/test/Feature/CallToUndefinedExternal.cpp
@@ -1,6 +1,7 @@
 // RUN: %llvmgxx %s -emit-llvm -g -c -o %t1.bc
-// RUN: %klee %t1.bc 2>&1 | FileCheck %s
-// RUN: test -f %T/klee-last/test000001.external.err
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc 2>&1 | FileCheck %s
+// RUN: test -f %t.klee-out/test000001.external.err
 
 extern "C" void poof(void);
 
diff --git a/test/Feature/CheckForImpliedValue.c.failing b/test/Feature/CheckForImpliedValue.c.failing
index 7a088354..bb643647 100644
--- a/test/Feature/CheckForImpliedValue.c.failing
+++ b/test/Feature/CheckForImpliedValue.c.failing
@@ -1,6 +1,7 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
 // RUN: rm -f %t1.log
-// RUN: %klee --log-file %t1.log --debug-check-for-implied-values %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --log-file %t1.log --debug-check-for-implied-values %t1.bc
 // RUN: grep "= 0 (ok)" %t1.log
 // RUN: grep "= 2 (missed)" %t1.log
 
diff --git a/test/Feature/CheckMemoryAccess.c b/test/Feature/CheckMemoryAccess.c
index 30590f88..5347ac3d 100644
--- a/test/Feature/CheckMemoryAccess.c
+++ b/test/Feature/CheckMemoryAccess.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc -emit-llvm -g -c %s -o %t.bc
-// RUN: %klee %t.bc > %t.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t.bc > %t.log
 // RUN: grep -q "good" %t.log
 // RUN: not grep -q "bad" %t.log
 
diff --git a/test/Feature/ConstantStruct.ll b/test/Feature/ConstantStruct.ll
index cfd7104e..4fe6b5d0 100644
--- a/test/Feature/ConstantStruct.ll
+++ b/test/Feature/ConstantStruct.ll
@@ -1,5 +1,6 @@
 ; RUN: llvm-as %s -f -o %t1.bc
-; RUN: %klee -disable-opt %t1.bc > %t2
+; RUN: rm -rf %t.klee-out
+; RUN: %klee --output-dir=%t.klee-out -disable-opt %t1.bc > %t2
 ; RUN: grep PASS %t2
 
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
diff --git a/test/Feature/CopyOnWrite.c b/test/Feature/CopyOnWrite.c
index ce77c802..926e0a48 100644
--- a/test/Feature/CopyOnWrite.c
+++ b/test/Feature/CopyOnWrite.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -g -c -o %t1.bc
-// RUN: %klee --search=random-state --exit-on-error %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --search=random-state --exit-on-error %t1.bc
 
 #include <assert.h>
 
diff --git a/test/Feature/DanglingConcreteReadExpr.c b/test/Feature/DanglingConcreteReadExpr.c
index 204187a2..8e15b07d 100644
--- a/test/Feature/DanglingConcreteReadExpr.c
+++ b/test/Feature/DanglingConcreteReadExpr.c
@@ -1,6 +1,7 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc
-// RUN: grep "total queries = 2" %T/klee-last/info
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc
+// RUN: grep "total queries = 2" %t.klee-out/info
 
 #include <assert.h>
 
diff --git a/test/Feature/DefineFixedObject.c b/test/Feature/DefineFixedObject.c
index 9f71f89b..2e601553 100644
--- a/test/Feature/DefineFixedObject.c
+++ b/test/Feature/DefineFixedObject.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc -emit-llvm -c -o %t1.bc %s
-// RUN: %klee --exit-on-error %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error %t1.bc
 
 #include <stdio.h>
 
diff --git a/test/Feature/DoubleFree.c b/test/Feature/DoubleFree.c
index d97e0c08..b24de17d 100644
--- a/test/Feature/DoubleFree.c
+++ b/test/Feature/DoubleFree.c
@@ -1,6 +1,7 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc 2>&1 | FileCheck %s
-// RUN: test -f %T/klee-last/test000001.ptr.err
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc 2>&1 | FileCheck %s
+// RUN: test -f %t.klee-out/test000001.ptr.err
 
 int main() {
   int *x = malloc(4);
diff --git a/test/Feature/DumpStatesOnHalt.c b/test/Feature/DumpStatesOnHalt.c
index 993fdb6a..bc302456 100644
--- a/test/Feature/DumpStatesOnHalt.c
+++ b/test/Feature/DumpStatesOnHalt.c
@@ -1,6 +1,7 @@
 // RUN: %llvmgcc %s -g -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee --stop-after-n-instructions=1 --dump-states-on-halt=true %t1.bc 2>&1 | FileCheck %s
-// RUN: test -f %T/klee-last/test000001.ktest
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --stop-after-n-instructions=1 --dump-states-on-halt=true %t1.bc 2>&1 | FileCheck %s
+// RUN: test -f %t.klee-out/test000001.ktest
 
 int main(int argc, char** argv) {
   int x = 1;
diff --git a/test/Feature/Envp.c b/test/Feature/Envp.c
index f1f62a72..ff4e2098 100644
--- a/test/Feature/Envp.c
+++ b/test/Feature/Envp.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -g -c -o %t1.bc
-// RUN: %klee --exit-on-error %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error %t1.bc
 
 #include <assert.h>
 
diff --git a/test/Feature/ExprLogging.c b/test/Feature/ExprLogging.c
index abab8031..bba0570e 100644
--- a/test/Feature/ExprLogging.c
+++ b/test/Feature/ExprLogging.c
@@ -1,14 +1,15 @@
 // RUN: %llvmgcc %s -emit-llvm -g -O0 -c -o %t1.bc
 // We disable the cex-cache to eliminate nondeterminism across different solvers, in particular when counting the number of queries in the last two commands
-// RUN: %klee --use-cex-cache=false --use-query-log=all:pc,all:smt2,solver:pc,solver:smt2 --write-pcs --write-cvcs --write-smt2s %t1.bc 2> %t2.log
-// RUN: %kleaver -print-ast %T/klee-last/all-queries.pc > %t3.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --use-cex-cache=false --use-query-log=all:pc,all:smt2,solver:pc,solver:smt2 --write-pcs --write-cvcs --write-smt2s %t1.bc 2> %t2.log
+// RUN: %kleaver -print-ast %t.klee-out/all-queries.pc > %t3.log
 // RUN: %kleaver -print-ast %t3.log > %t4.log
 // RUN: diff %t3.log %t4.log
-// RUN: %kleaver -print-ast %T/klee-last/solver-queries.pc > %t3.log
+// RUN: %kleaver -print-ast %t.klee-out/solver-queries.pc > %t3.log
 // RUN: %kleaver -print-ast %t3.log > %t4.log
 // RUN: diff %t3.log %t4.log
-// RUN: grep "^; Query" %T/klee-last/all-queries.smt2 | wc -l | grep -q 17
-// RUN: grep "^; Query" %T/klee-last/solver-queries.smt2 | wc -l | grep -q 17
+// RUN: grep "^; Query" %t.klee-out/all-queries.smt2 | wc -l | grep -q 17
+// RUN: grep "^; Query" %t.klee-out/solver-queries.smt2 | wc -l | grep -q 17
 
 #include <assert.h>
 
diff --git a/test/Feature/ExternalWeakLinkage.c b/test/Feature/ExternalWeakLinkage.c
index c2008136..fd70884a 100644
--- a/test/Feature/ExternalWeakLinkage.c
+++ b/test/Feature/ExternalWeakLinkage.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -g -c -o %t1.bc
-// RUN: %klee --exit-on-error %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error %t1.bc
 
 #include <assert.h>
 
diff --git a/test/Feature/Float.c b/test/Feature/Float.c
index f7e4dde0..dce082c6 100644
--- a/test/Feature/Float.c
+++ b/test/Feature/Float.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc -emit-llvm -g -c %s -o %t.bc
-// RUN: %klee %t.bc > %t.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t.bc > %t.log
 // RUN: grep "3.30* -1.10* 2.420*" %t.log
 
 #include <stdio.h>
diff --git a/test/Feature/FloatingPt.c b/test/Feature/FloatingPt.c
index bde9e19b..be087935 100644
--- a/test/Feature/FloatingPt.c
+++ b/test/Feature/FloatingPt.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee --exit-on-error %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error %t1.bc
 
 #include <assert.h>
 
diff --git a/test/Feature/FunctionPointer.c b/test/Feature/FunctionPointer.c
index e1ae1e37..ac28ca00 100644
--- a/test/Feature/FunctionPointer.c
+++ b/test/Feature/FunctionPointer.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -g -c -o %t1.bc
-// RUN: %klee --no-output --exit-on-error %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --no-output --exit-on-error %t1.bc
 
 #include <stdio.h>
 
diff --git a/test/Feature/GetElementPtr.ll b/test/Feature/GetElementPtr.ll
index 7f10c0a2..da94441c 100644
--- a/test/Feature/GetElementPtr.ll
+++ b/test/Feature/GetElementPtr.ll
@@ -1,5 +1,6 @@
 ; RUN: llvm-as %s -f -o %t1.bc
-; RUN: %klee -disable-opt %t1.bc > %t2
+; RUN: rm -rf %t.klee-out
+; RUN: %klee --output-dir=%t.klee-out -disable-opt %t1.bc > %t2
 ; RUN: grep PASS %t2
 
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
diff --git a/test/Feature/GetValue.c b/test/Feature/GetValue.c
index 5023c51c..828c8934 100644
--- a/test/Feature/GetValue.c
+++ b/test/Feature/GetValue.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc -emit-llvm -c -o %t1.bc %s
-// RUN: %klee --exit-on-error %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error %t1.bc
 
 #include <stdio.h>
 #include <assert.h>
diff --git a/test/Feature/ImpliedValue.c.failing b/test/Feature/ImpliedValue.c.failing
index 2f169970..469c8f28 100644
--- a/test/Feature/ImpliedValue.c.failing
+++ b/test/Feature/ImpliedValue.c.failing
@@ -2,8 +2,9 @@
 // RUN: %llvmgcc %s -emit-llvm -O2 -c -o %t1.bc
 // RUN: llvm-as -f ../_utils._ll -o %t2.bc
 // RUN: llvm-ld -disable-opt -link-as-library %t1.bc %t2.bc -o %t3.bc
-// RUN: %klee --log-file %t4.log --debug-check-for-implied-values %t3.bc > %t4.out 2> %t4.err
-// RUN: ls klee-last | not grep .err
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --log-file %t4.log --debug-check-for-implied-values %t3.bc > %t4.out 2> %t4.err
+// RUN: ls %t.klee-out | not grep .err
 // RUN: not grep "(missed)" %t4.log
 
 #include <assert.h>
diff --git a/test/Feature/InAndOutOfBounds.c b/test/Feature/InAndOutOfBounds.c
index 729d6b78..5a3dfa44 100644
--- a/test/Feature/InAndOutOfBounds.c
+++ b/test/Feature/InAndOutOfBounds.c
@@ -1,8 +1,9 @@
 // RUN: %llvmgcc %s -g -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc 2>&1 | FileCheck %s
-// RUN: test -f %T/klee-last/test000001.ptr.err -o -f %T/klee-last/test000002.ptr.err
-// RUN: not test -f %T/klee-last/test000001.ptr.err -a -f %T/klee-last/test000002.ptr.err
-// RUN: not test -f %T/klee-last/test000003.ktest
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc 2>&1 | FileCheck %s
+// RUN: test -f %t.klee-out/test000001.ptr.err -o -f %t.klee-out/test000002.ptr.err
+// RUN: not test -f %t.klee-out/test000001.ptr.err -a -f %t.klee-out/test000002.ptr.err
+// RUN: not test -f %t.klee-out/test000003.ktest
 
 unsigned klee_urange(unsigned start, unsigned end) {
   unsigned x;
@@ -14,7 +15,7 @@ unsigned klee_urange(unsigned start, unsigned end) {
 int main() {
   int *x = malloc(sizeof(int));
   // FIXME: Use newer FileCheck syntax to support relative line numbers
-  // CHECK: InAndOutOfBounds.c:18: memory error: out of bound pointer
+  // CHECK: InAndOutOfBounds.c:19: memory error: out of bound pointer
   x[klee_urange(0,2)] = 1;
   free(x);
   return 0;
diff --git a/test/Feature/IndirectCallToBuiltin.c b/test/Feature/IndirectCallToBuiltin.c
index 591a5601..8c78dba5 100644
--- a/test/Feature/IndirectCallToBuiltin.c
+++ b/test/Feature/IndirectCallToBuiltin.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -g -c -o %t1.bc
-// RUN: %klee %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc
 
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/test/Feature/IndirectCallToExternal.c b/test/Feature/IndirectCallToExternal.c
index 4603213b..58eb2575 100644
--- a/test/Feature/IndirectCallToExternal.c
+++ b/test/Feature/IndirectCallToExternal.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -g -c -o %t1.bc
-// RUN: %klee %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc
 
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/test/Feature/InsertExtractValue.ll b/test/Feature/InsertExtractValue.ll
index fbce335b..83e8f851 100644
--- a/test/Feature/InsertExtractValue.ll
+++ b/test/Feature/InsertExtractValue.ll
@@ -1,5 +1,6 @@
 ; RUN: llvm-as %s -f -o %t1.bc
-; RUN: %klee -disable-opt %t1.bc > %t2
+; RUN: rm -rf %t.klee-out
+; RUN: %klee --output-dir=%t.klee-out -disable-opt %t1.bc > %t2
 ; RUN: grep PASS %t2
 
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
diff --git a/test/Feature/IntrinsicTrap.ll b/test/Feature/IntrinsicTrap.ll
index 13b93e4d..9caf4a62 100644
--- a/test/Feature/IntrinsicTrap.ll
+++ b/test/Feature/IntrinsicTrap.ll
@@ -1,6 +1,7 @@
 ; RUN: llvm-as %s -f -o %t1.bc
-; RUN: %klee -disable-opt %t1.bc
-; RUN: FileCheck %s --input-file=%T/klee-last/assembly.ll
+; RUN: rm -rf %t.klee-out
+; RUN: %klee --output-dir=%t.klee-out -disable-opt %t1.bc
+; RUN: FileCheck %s --input-file=%t.klee-out/assembly.ll
 
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-f128:128:128-n8:16:32:64"
 target triple = "x86_64-unknown-linux-gnu"
diff --git a/test/Feature/InvalidBitfieldAccess.c.failing b/test/Feature/InvalidBitfieldAccess.c.failing
index ae8bfe5e..0e4ec594 100644
--- a/test/Feature/InvalidBitfieldAccess.c.failing
+++ b/test/Feature/InvalidBitfieldAccess.c.failing
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc -c -o %t1.bc %s
-// RUN: %klee --exit-on-error %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error %t1.bc
 
 // This is a bug in llvm-gcc4.0 but seems to be fixed in llvm-gcc4.2,
 // its included here mostly as a reminder. 
diff --git a/test/Feature/IsSymbolic.c b/test/Feature/IsSymbolic.c
index 4a86368a..cd7f3dba 100644
--- a/test/Feature/IsSymbolic.c
+++ b/test/Feature/IsSymbolic.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc
 
 #include <assert.h>
 
diff --git a/test/Feature/KleeReportError.c b/test/Feature/KleeReportError.c
index 37c07ed1..50aaf97d 100644
--- a/test/Feature/KleeReportError.c
+++ b/test/Feature/KleeReportError.c
@@ -1,6 +1,7 @@
 // RUN: %llvmgcc %s -g -emit-llvm -O0 -c -o %t2.bc
-// RUN: %klee --emit-all-errors %t2.bc 2>&1 | FileCheck %s
-// RUN: ls %T/klee-last/ | grep .my.err | wc -l | grep 2
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --emit-all-errors %t2.bc 2>&1 | FileCheck %s
+// RUN: ls %t.klee-out/ | grep .my.err | wc -l | grep 2
 #include <stdio.h>
 #include <assert.h>
 
@@ -16,8 +17,8 @@ int main(int argc, char** argv) {
 
   if (y) {
     fprintf(stderr, "My error\n");
-    // CHECK: KleeReportError.c:22: My error
-    // CHECK: KleeReportError.c:22: My error
+    // CHECK: KleeReportError.c:23: My error
+    // CHECK: KleeReportError.c:23: My error
     // FIXME: Use FileCheck's relative line number syntax
     klee_report_error(__FILE__, __LINE__, "My error", "my.err");
   }
diff --git a/test/Feature/LargeReturnTypes.cpp b/test/Feature/LargeReturnTypes.cpp
index 274da05e..937b0758 100644
--- a/test/Feature/LargeReturnTypes.cpp
+++ b/test/Feature/LargeReturnTypes.cpp
@@ -1,5 +1,6 @@
 // RUN: %llvmgxx -g -fno-exceptions -emit-llvm -O0 -c -o %t.bc %s
-// RUN: %klee --libc=klee --no-output --exit-on-error %t.bc > %t.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --libc=klee --no-output --exit-on-error %t.bc > %t.log
 
 /* Tests the ability to call external functions which return large values
  * (i.e. structs).  In this test case, fstream::ftellg() returns a
diff --git a/test/Feature/LongDouble.cpp b/test/Feature/LongDouble.cpp
index 6e6baf6a..08924293 100644
--- a/test/Feature/LongDouble.cpp
+++ b/test/Feature/LongDouble.cpp
@@ -1,5 +1,6 @@
 // RUN: %llvmgxx -I../../../include -g -fno-exceptions -emit-llvm -O0 -c -o %t.bc %s
-// RUN: %klee --libc=klee --no-output --exit-on-error %t.bc > %t.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --libc=klee --no-output --exit-on-error %t.bc > %t.log
 // RUN: grep -q powl\(-11\\.0,0\)=1\\.0\\+ %t.log
 // RUN: grep -q powl\(-11\\.0,1\)=-11\\.0\\+ %t.log
 // RUN: grep -q powl\(-11\\.0,2\)=121\\.0\\+ %t.log
diff --git a/test/Feature/LongDoubleSupport.c b/test/Feature/LongDoubleSupport.c
index 185a5485..4ea9daee 100644
--- a/test/Feature/LongDoubleSupport.c
+++ b/test/Feature/LongDoubleSupport.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee --optimize=0 --exit-on-error %t1.bc > %t2.out
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --optimize=0 --exit-on-error %t1.bc > %t2.out
 
 #include <stdio.h>
 #include <float.h>
diff --git a/test/Feature/LowerSwitch.c b/test/Feature/LowerSwitch.c
index 49cad076..1b280e72 100644
--- a/test/Feature/LowerSwitch.c
+++ b/test/Feature/LowerSwitch.c
@@ -1,8 +1,11 @@
 // RUN: %llvmgcc %s -emit-llvm -g -c -o %t.bc
-// RUN: %klee --exit-on-error --allow-external-sym-calls --switch-type=internal %t.bc
-// RUN: not test -f %T/klee-last/test000010.ktest
-// RUN: %klee --exit-on-error --allow-external-sym-calls --switch-type=simple %t.bc
-// RUN: test -f %T/klee-last/test000010.ktest
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error --allow-external-sym-calls --switch-type=internal %t.bc
+// RUN: not test -f %t.klee-out/test000010.ktest
+
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error --allow-external-sym-calls --switch-type=simple %t.bc
+// RUN: test -f %t.klee-out/test000010.ktest
 
 #include <stdio.h>
 
diff --git a/test/Feature/MakeConcreteSymbolic.c b/test/Feature/MakeConcreteSymbolic.c
index bfbb807d..dad618b3 100644
--- a/test/Feature/MakeConcreteSymbolic.c
+++ b/test/Feature/MakeConcreteSymbolic.c
@@ -1,8 +1,11 @@
 // RUN: %llvmgcc %s -emit-llvm -g -c -o %t1.bc
-// RUN: %klee --exit-on-error %t1.bc
-// RUN: grep "done: total queries = 0" %T/klee-last/info
-// RUN: %klee --make-concrete-symbolic=1 --exit-on-error %t1.bc
-// RUN: grep "done: total queries = 2" %T/klee-last/info
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error %t1.bc
+// RUN: grep "done: total queries = 0" %t.klee-out/info
+
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --make-concrete-symbolic=1 --exit-on-error %t1.bc
+// RUN: grep "done: total queries = 2" %t.klee-out/info
 
 
 #include <assert.h>
diff --git a/test/Feature/MakeSymbolicName.c b/test/Feature/MakeSymbolicName.c
index a31b4a9b..fef731ab 100644
--- a/test/Feature/MakeSymbolicName.c
+++ b/test/Feature/MakeSymbolicName.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -g -c -o %t1.bc
-// RUN: %klee --search=random-state --exit-on-error %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --search=random-state --exit-on-error %t1.bc
 
 #include <assert.h>
 
diff --git a/test/Feature/MemoryLimit.c b/test/Feature/MemoryLimit.c
index a3c1250e..8837e2e5 100644
--- a/test/Feature/MemoryLimit.c
+++ b/test/Feature/MemoryLimit.c
@@ -1,7 +1,9 @@
 // RUN: %llvmgcc -emit-llvm -DLITTLE_ALLOC -g -c %s -o %t.little.bc
 // RUN: %llvmgcc -emit-llvm -g -c %s -o %t.big.bc
-// RUN: %klee --max-memory=20 %t.little.bc > %t.little.log
-// RUN: %klee --max-memory=20 %t.big.bc > %t.big.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --max-memory=20 %t.little.bc > %t.little.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --max-memory=20 %t.big.bc > %t.big.log
 // RUN: not grep -q "MALLOC FAILED" %t.little.log
 // RUN: not grep -q "MALLOC FAILED" %t.big.log
 // RUN: not grep -q "DONE" %t.little.log
diff --git a/test/Feature/MultipleFreeResolution.c b/test/Feature/MultipleFreeResolution.c
index cd8a383b..3216de95 100644
--- a/test/Feature/MultipleFreeResolution.c
+++ b/test/Feature/MultipleFreeResolution.c
@@ -1,7 +1,8 @@
 // RUN: %llvmgcc %s -g -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee --emit-all-errors %t1.bc 2>&1 | FileCheck %s
-// RUN: ls %T/klee-last/ | grep .ktest | wc -l | grep 4
-// RUN: ls %T/klee-last/ | grep .err | wc -l | grep 3
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --emit-all-errors %t1.bc 2>&1 | FileCheck %s
+// RUN: ls %t.klee-out/ | grep .ktest | wc -l | grep 4
+// RUN: ls %t.klee-out/ | grep .err | wc -l | grep 3
 
 #include <stdlib.h>
 #include <stdio.h>
@@ -31,9 +32,9 @@ int main() {
 
   free(buf[s]);
 
-  // CHECK: MultipleFreeResolution.c:39: memory error: out of bound pointer
-  // CHECK: MultipleFreeResolution.c:39: memory error: out of bound pointer
-  // CHECK: MultipleFreeResolution.c:39: memory error: out of bound pointer
+  // CHECK: MultipleFreeResolution.c:40: memory error: out of bound pointer
+  // CHECK: MultipleFreeResolution.c:40: memory error: out of bound pointer
+  // CHECK: MultipleFreeResolution.c:40: memory error: out of bound pointer
   // FIXME: Use FileCheck's relative line numbers
   for (i=0; i<3; i++) {
     printf("*buf[%d] = %d\n", i, *buf[i]);
diff --git a/test/Feature/MultipleReadResolution.c b/test/Feature/MultipleReadResolution.c
index 9297cf8d..af42c012 100644
--- a/test/Feature/MultipleReadResolution.c
+++ b/test/Feature/MultipleReadResolution.c
@@ -3,7 +3,8 @@
 // RUN: echo "x" >> %t1.res
 // RUN: echo "x" >> %t1.res
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc > %t1.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc > %t1.log
 // RUN: diff %t1.res %t1.log
 
 #include <stdio.h>
diff --git a/test/Feature/MultipleReallocResolution.c b/test/Feature/MultipleReallocResolution.c
index 1f77485f..6530185d 100644
--- a/test/Feature/MultipleReallocResolution.c
+++ b/test/Feature/MultipleReallocResolution.c
@@ -1,7 +1,8 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc
-// RUN: ls %T/klee-last/ | grep .err | wc -l | grep 2
-// RUN: ls %T/klee-last/ | grep .ptr.err | wc -l | grep 2
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc
+// RUN: ls %t.klee-out/ | grep .err | wc -l | grep 2
+// RUN: ls %t.klee-out/ | grep .ptr.err | wc -l | grep 2
 
 #include <assert.h>
 #include <stdlib.h>
diff --git a/test/Feature/MultipleWriteResolution.c b/test/Feature/MultipleWriteResolution.c
index f07b9710..eb4b1694 100644
--- a/test/Feature/MultipleWriteResolution.c
+++ b/test/Feature/MultipleWriteResolution.c
@@ -3,7 +3,8 @@
 // RUN: echo "x" >> %t1.res
 // RUN: echo "x" >> %t1.res
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc > %t1.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc > %t1.log
 // RUN: diff %t1.res %t1.log
 
 #include <stdio.h>
diff --git a/test/Feature/NamedSeedMatching.c b/test/Feature/NamedSeedMatching.c
index 16da3117..6599d269 100644
--- a/test/Feature/NamedSeedMatching.c
+++ b/test/Feature/NamedSeedMatching.c
@@ -1,9 +1,11 @@
 // RUN: %llvmgcc -emit-llvm -c -g %s -o %t.bc
-// RUN: rm -rf %t.out
-// RUN: %klee --output-dir=%t.out %t.bc "initial"
-// RUN: test -f %t.out/test000001.ktest
-// RUN: not test -f %t.out/test000002.ktest
-// RUN: %klee --only-replay-seeds --named-seed-matching --seed-out %t.out/test000001.ktest %t.bc > %t.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t.bc "initial"
+// RUN: test -f %t.klee-out/test000001.ktest
+// RUN: not test -f %t.klee-out/test000002.ktest
+
+// RUN: rm -rf %t.klee-out-2
+// RUN: %klee --output-dir=%t.klee-out-2 --only-replay-seeds --named-seed-matching --seed-out %t.klee-out/test000001.ktest %t.bc > %t.log
 // RUN: grep -q "a==3" %t.log
 // RUN: grep -q "b==4" %t.log
 // RUN: grep -q "c==5" %t.log
diff --git a/test/Feature/OneFreeError.c b/test/Feature/OneFreeError.c
index e83b535a..4f5a8c8c 100644
--- a/test/Feature/OneFreeError.c
+++ b/test/Feature/OneFreeError.c
@@ -1,11 +1,12 @@
 // RUN: %llvmgcc %s -g -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc 2>&1 | FileCheck %s
-// RUN: test -f %T/klee-last/test000001.ptr.err
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc 2>&1 | FileCheck %s
+// RUN: test -f %t.klee-out/test000001.ptr.err
 
 int main() {
   int *x = malloc(4);
   free(x);
-  // CHECK: OneFreeError.c:10: memory error: out of bound pointer
+  // CHECK: OneFreeError.c:11: memory error: out of bound pointer
   // FIXME: Use FileCheck's relative line numbers
   x[0] = 1;
   return 0;
diff --git a/test/Feature/OneOutOfBounds.c b/test/Feature/OneOutOfBounds.c
index 72d36b70..85fb2a79 100644
--- a/test/Feature/OneOutOfBounds.c
+++ b/test/Feature/OneOutOfBounds.c
@@ -1,10 +1,11 @@
 // RUN: %llvmgcc %s -g -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc 2>&1 | FileCheck %s
-// RUN: test -f %T/klee-last/test000001.ptr.err
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc 2>&1 | FileCheck %s
+// RUN: test -f %t.klee-out/test000001.ptr.err
 
 int main() {
   int *x = malloc(sizeof(int));
-  // CHECK: OneOutOfBounds.c:9: memory error: out of bound pointer
+  // CHECK: OneOutOfBounds.c:10: memory error: out of bound pointer
   // FIXME: Use FileCheck's relative line numbers
   x[1] = 1;
   free(x);
diff --git a/test/Feature/Optimize.c b/test/Feature/Optimize.c
index 4789d089..9aa963ef 100644
--- a/test/Feature/Optimize.c
+++ b/test/Feature/Optimize.c
@@ -1,6 +1,7 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t2.bc
 // RUN: rm -f %t2.log
-// RUN: %klee --stop-after-n-instructions=100 --optimize %t2.bc > %t3.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --stop-after-n-instructions=100 --optimize %t2.bc > %t3.log
 // RUN: echo "good" > %t3.good
 // RUN: diff %t3.log %t3.good
 
diff --git a/test/Feature/Overflow.ll b/test/Feature/Overflow.ll
index 90ace60b..35dfbd10 100644
--- a/test/Feature/Overflow.ll
+++ b/test/Feature/Overflow.ll
@@ -1,5 +1,6 @@
 ; RUN: llvm-as %s -f -o %t1.bc
-; RUN: %klee -disable-opt %t1.bc > %t2
+; RUN: rm -rf %t.klee-out
+; RUN: %klee --output-dir=%t.klee-out -disable-opt %t1.bc > %t2
 ; RUN: grep PASS %t2
 
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
diff --git a/test/Feature/OverflowMul.ll b/test/Feature/OverflowMul.ll
index 7ab67502..7026aa74 100644
--- a/test/Feature/OverflowMul.ll
+++ b/test/Feature/OverflowMul.ll
@@ -1,5 +1,6 @@
 ; RUN: llvm-as %s -f -o %t1.bc
-; RUN: %klee -disable-opt %t1.bc > %t2
+; RUN: rm -rf %t.klee-out
+; RUN: %klee --output-dir=%t.klee-out -disable-opt %t1.bc > %t2
 ; RUN: grep PASS %t2
 
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
diff --git a/test/Feature/OverlappedError.c b/test/Feature/OverlappedError.c
index 886c7ec8..a1b31f57 100644
--- a/test/Feature/OverlappedError.c
+++ b/test/Feature/OverlappedError.c
@@ -1,7 +1,8 @@
 // RUN: %llvmgcc %s -g -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc
-// RUN: ls %T/klee-last/ | grep .ktest | wc -l | grep 4
-// RUN: ls %T/klee-last/ | grep .ptr.err | wc -l | grep 2
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc
+// RUN: ls %t.klee-out/ | grep .ktest | wc -l | grep 4
+// RUN: ls %t.klee-out/ | grep .ptr.err | wc -l | grep 2
 
 #include <stdlib.h>
 
diff --git a/test/Feature/OvershiftCheck.c b/test/Feature/OvershiftCheck.c
index bb967166..09cbf8ba 100644
--- a/test/Feature/OvershiftCheck.c
+++ b/test/Feature/OvershiftCheck.c
@@ -1,8 +1,9 @@
 // RUN: %llvmgcc %s -emit-llvm -g -O0 -c -o %t.bc
-// RUN: %klee -check-overshift %t.bc 2> %t.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out -check-overshift %t.bc 2> %t.log
 // RUN: grep -c "overshift error" %t.log
-// RUN: grep -c "OvershiftCheck.c:19: overshift error" %t.log
-// RUN: grep -c "OvershiftCheck.c:23: overshift error" %t.log
+// RUN: grep -c "OvershiftCheck.c:20: overshift error" %t.log
+// RUN: grep -c "OvershiftCheck.c:24: overshift error" %t.log
 
 /* This test checks that two consecutive potential overshifts
  * are reported as errors.
diff --git a/test/Feature/PreferCex.c b/test/Feature/PreferCex.c
index 6cdb8446..d562f968 100644
--- a/test/Feature/PreferCex.c
+++ b/test/Feature/PreferCex.c
@@ -1,6 +1,7 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee --exit-on-error %t1.bc
-// RUN: ktest-tool %T/klee-last/test000001.ktest | FileCheck %s
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error %t1.bc
+// RUN: ktest-tool %t.klee-out/test000001.ktest | FileCheck %s
 
 #include <assert.h>
 #include <stdlib.h>
diff --git a/test/Feature/RaiseAsm.c b/test/Feature/RaiseAsm.c
index 5b8acab4..6a4b7b3c 100644
--- a/test/Feature/RaiseAsm.c
+++ b/test/Feature/RaiseAsm.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee --exit-on-error %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error %t1.bc
 
 #include <assert.h>
 
diff --git a/test/Feature/Realloc.c b/test/Feature/Realloc.c
index 62aa170b..76016fb7 100644
--- a/test/Feature/Realloc.c
+++ b/test/Feature/Realloc.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee --exit-on-error %t1.bc 2>&1 | FileCheck %s
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error %t1.bc 2>&1 | FileCheck %s
 
 #include <assert.h>
 #include <stdlib.h>
diff --git a/test/Feature/ReplayPath.c b/test/Feature/ReplayPath.c
index ccf59657..c367c3d9 100644
--- a/test/Feature/ReplayPath.c
+++ b/test/Feature/ReplayPath.c
@@ -1,7 +1,10 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -DCOND_EXIT -c -o %t1.bc
-// RUN: klee --write-paths %t1.bc > %t3.good
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --write-paths %t1.bc > %t3.good
+
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t2.bc
-// RUN: %klee --replay-path %T/klee-last/test000001.path %t2.bc > %t3.log
+// RUN: rm -rf %t.klee-out-2
+// RUN: %klee --output-dir=%t.klee-out-2 --replay-path %t.klee-out/test000001.path %t2.bc > %t3.log
 // RUN: diff %t3.log %t3.good
 
 #include <unistd.h>
diff --git a/test/Feature/Searchers.c b/test/Feature/Searchers.c
index b120d354..284020eb 100644
--- a/test/Feature/Searchers.c
+++ b/test/Feature/Searchers.c
@@ -1,22 +1,40 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t2.bc
-// RUN: %klee %t2.bc
-// RUN: %klee --search=random-state %t2.bc
-// RUN: %klee --search=nurs:depth %t2.bc
-// RUN: %klee --search=nurs:qc %t2.bc
-// RUN: %klee --use-batching-search %t2.bc
-// RUN: %klee --use-batching-search --search=random-state %t2.bc
-// RUN: %klee --use-batching-search --search=nurs:depth %t2.bc
-// RUN: %klee --use-batching-search --search=nurs:qc %t2.bc
-// RUN: %klee --search=random-path --search=nurs:qc %t2.bc
-// RUN: %klee --use-merge --search=dfs --debug-log-merge --debug-log-state-merge %t2.bc
-// RUN: %klee --use-merge --use-batching-search --search=dfs %t2.bc
-// RUN: %klee --use-merge --use-batching-search --search=random-state %t2.bc
-// RUN: %klee --use-merge --use-batching-search --search=nurs:depth %t2.bc
-// RUN: %klee --use-merge --use-batching-search --search=nurs:qc %t2.bc
-// RUN: %klee --use-iterative-deepening-time-search --use-batching-search %t2.bc
-// RUN: %klee --use-iterative-deepening-time-search --use-batching-search --search=random-state %t2.bc
-// RUN: %klee --use-iterative-deepening-time-search --use-batching-search --search=nurs:depth %t2.bc
-// RUN: %klee --use-iterative-deepening-time-search --use-batching-search --search=nurs:qc %t2.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t2.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --search=random-state %t2.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --search=nurs:depth %t2.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --search=nurs:qc %t2.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --use-batching-search %t2.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --use-batching-search --search=random-state %t2.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --use-batching-search --search=nurs:depth %t2.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --use-batching-search --search=nurs:qc %t2.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --search=random-path --search=nurs:qc %t2.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --use-merge --search=dfs --debug-log-merge --debug-log-state-merge %t2.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --use-merge --use-batching-search --search=dfs %t2.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --use-merge --use-batching-search --search=random-state %t2.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --use-merge --use-batching-search --search=nurs:depth %t2.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --use-merge --use-batching-search --search=nurs:qc %t2.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --use-iterative-deepening-time-search --use-batching-search %t2.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --use-iterative-deepening-time-search --use-batching-search --search=random-state %t2.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --use-iterative-deepening-time-search --use-batching-search --search=nurs:depth %t2.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --use-iterative-deepening-time-search --use-batching-search --search=nurs:qc %t2.bc
 
 
 /* this test is basically just for coverage and doesn't really do any
diff --git a/test/Feature/SetForking.c b/test/Feature/SetForking.c
index cbae33c0..60799a0d 100644
--- a/test/Feature/SetForking.c
+++ b/test/Feature/SetForking.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc -emit-llvm -g -c %s -o %t.bc
-// RUN: %klee %t.bc > %t.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t.bc > %t.log
 // RUN: sort %t.log | uniq -c > %t.uniq.log
 // RUN: grep "1 A" %t.uniq.log
 // RUN: grep "1 B" %t.uniq.log
diff --git a/test/Feature/SolverTimeout.c b/test/Feature/SolverTimeout.c
index 34405c1f..2ef6d413 100644
--- a/test/Feature/SolverTimeout.c
+++ b/test/Feature/SolverTimeout.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee --max-solver-time=1 %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --max-solver-time=1 %t1.bc
 #include <stdio.h>
 
 int main() {
diff --git a/test/Feature/Vararg.c b/test/Feature/Vararg.c
index 31eee235..398ba6f8 100644
--- a/test/Feature/Vararg.c
+++ b/test/Feature/Vararg.c
@@ -1,7 +1,8 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc > %t2.out
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc > %t2.out
 // RUN: grep "types: (52, 37, 2.00, (9,12,15))" %t2.out
-// RUN: test -f %T/klee-last/test000001.ptr.err
+// RUN: test -f %t.klee-out/test000001.ptr.err
 
 #include <stdarg.h>
 #include <assert.h>
diff --git a/test/Feature/WithLibc.c b/test/Feature/WithLibc.c
index 5e84eb4a..cefef577 100644
--- a/test/Feature/WithLibc.c
+++ b/test/Feature/WithLibc.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t2.bc
-// RUN: %klee --libc=klee %t2.bc > %t3.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --libc=klee %t2.bc > %t3.log
 // RUN: echo "good" > %t3.good
 // RUN: diff %t3.log %t3.good
 
diff --git a/test/Feature/WriteCov.c b/test/Feature/WriteCov.c
index 45e7bc43..3ecce3fc 100644
--- a/test/Feature/WriteCov.c
+++ b/test/Feature/WriteCov.c
@@ -1,20 +1,21 @@
 // RUN: %llvmgcc %s -emit-llvm -g -c -o %t2.bc
-// RUN: %klee --exit-on-error --write-cov %t2.bc
-// RUN: grep -c WriteCov.c:15  %T/klee-last/test000001.cov %T/klee-last/test000002.cov  >%t3.txt
-// RUN: grep -c WriteCov.c:17  %T/klee-last/test000001.cov %T/klee-last/test000002.cov >>%t3.txt
-// RUN: grep klee-last/test000001.cov:0 %t3.txt
-// RUN: grep klee-last/test000001.cov:1 %t3.txt
-// RUN: grep klee-last/test000002.cov:0 %t3.txt
-// RUN: grep klee-last/test000002.cov:1 %t3.txt
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error --write-cov %t2.bc
+// RUN: grep -c WriteCov.c:16  %t.klee-out/test000001.cov %t.klee-out/test000002.cov  >%t3.txt
+// RUN: grep -c WriteCov.c:18  %t.klee-out/test000001.cov %t.klee-out/test000002.cov >>%t3.txt
+// RUN: grep %t.klee-out/test000001.cov:0 %t3.txt
+// RUN: grep %t.klee-out/test000001.cov:1 %t3.txt
+// RUN: grep %t.klee-out/test000002.cov:0 %t3.txt
+// RUN: grep %t.klee-out/test000002.cov:1 %t3.txt
 
 #include <assert.h>
 #include <stdio.h>
 
 int main() {
   if (klee_range(0,2, "range")) {
-    assert(__LINE__ == 15); printf("__LINE__ = %d\n", __LINE__);
+    assert(__LINE__ == 16); printf("__LINE__ = %d\n", __LINE__);
   } else {
-    assert(__LINE__ == 17); printf("__LINE__ = %d\n", __LINE__);
+    assert(__LINE__ == 18); printf("__LINE__ = %d\n", __LINE__);
   }
   return 0;
 }
diff --git a/test/Feature/arithmetic-right-overshift-sym-conc.c b/test/Feature/arithmetic-right-overshift-sym-conc.c
index 81995b2b..a771bc75 100644
--- a/test/Feature/arithmetic-right-overshift-sym-conc.c
+++ b/test/Feature/arithmetic-right-overshift-sym-conc.c
@@ -1,7 +1,8 @@
 // RUN: %llvmgcc %s -emit-llvm -g -O0 -c -o %t.bc
-// RUN: %klee -use-cex-cache=1 -check-overshift=0 %t.bc
-// RUN: not grep "ASSERTION FAIL" %T/klee-last/messages.txt
-// RUN: grep "KLEE: done: explored paths = 1" %T/klee-last/info
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out -use-cex-cache=1 -check-overshift=0 %t.bc
+// RUN: not grep "ASSERTION FAIL" %t.klee-out/messages.txt
+// RUN: grep "KLEE: done: explored paths = 1" %t.klee-out/info
 #include <stdio.h>
 #include <assert.h>
 
diff --git a/test/Feature/consecutive_divide_by_zero.c b/test/Feature/consecutive_divide_by_zero.c
index c1185870..31124ea4 100644
--- a/test/Feature/consecutive_divide_by_zero.c
+++ b/test/Feature/consecutive_divide_by_zero.c
@@ -1,9 +1,10 @@
 // RUN: %llvmgcc -emit-llvm -c -g -O0 %s -o %t.bc
-// RUN: %klee -check-div-zero -emit-all-errors=0 %t.bc 2> %t.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out -check-div-zero -emit-all-errors=0 %t.bc 2> %t.log
 // RUN: grep "completed paths = 3" %t.log
 // RUN: grep "generated tests = 3" %t.log
-// RUN: grep "consecutive_divide_by_zero.c:24: divide by zero" %t.log
-// RUN: grep "consecutive_divide_by_zero.c:27: divide by zero" %t.log
+// RUN: grep "consecutive_divide_by_zero.c:25: divide by zero" %t.log
+// RUN: grep "consecutive_divide_by_zero.c:28: divide by zero" %t.log
 
 /* This test case captures a bug where two distinct division
 *  by zero errors are treated as the same error and so
diff --git a/test/Feature/const_array_opt1.c b/test/Feature/const_array_opt1.c
index 09ed07fd..ac43bdf7 100644
--- a/test/Feature/const_array_opt1.c
+++ b/test/Feature/const_array_opt1.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t.bc
-// RUN: %klee --const-array-opt --max-time=10 --only-output-states-covering-new %t.bc >%t.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --const-array-opt --max-time=10 --only-output-states-covering-new %t.bc >%t.log
 // grep -q "Finished successfully!\n"
 
 /* This is testing the const array optimization.  On my 2.3GHz machine
diff --git a/test/Feature/left-overshift-sym-conc.c b/test/Feature/left-overshift-sym-conc.c
index e962fa28..8859c46c 100644
--- a/test/Feature/left-overshift-sym-conc.c
+++ b/test/Feature/left-overshift-sym-conc.c
@@ -1,7 +1,8 @@
 // RUN: %llvmgcc %s -emit-llvm -g -O0 -c -o %t.bc
-// RUN: %klee -use-cex-cache=1 -check-overshift=0 %t.bc
-// RUN: not grep "ASSERTION FAIL" %T/klee-last/messages.txt
-// RUN: grep "KLEE: done: explored paths = 1" %T/klee-last/info
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out -use-cex-cache=1 -check-overshift=0 %t.bc
+// RUN: not grep "ASSERTION FAIL" %t.klee-out/messages.txt
+// RUN: grep "KLEE: done: explored paths = 1" %t.klee-out/info
 #include <stdio.h>
 #include <assert.h>
 
diff --git a/test/Feature/logical-right-overshift-sym-conc.c b/test/Feature/logical-right-overshift-sym-conc.c
index 00281ec4..950b5992 100644
--- a/test/Feature/logical-right-overshift-sym-conc.c
+++ b/test/Feature/logical-right-overshift-sym-conc.c
@@ -1,7 +1,8 @@
 // RUN: %llvmgcc %s -emit-llvm -g -O0 -c -o %t.bc
-// RUN: %klee -use-cex-cache=1 -check-overshift=0 %t.bc
-// RUN: not grep "ASSERTION FAIL" %T/klee-last/messages.txt
-// RUN: grep "KLEE: done: explored paths = 1" %T/klee-last/info
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out -use-cex-cache=1 -check-overshift=0 %t.bc
+// RUN: not grep "ASSERTION FAIL" %t.klee-out/messages.txt
+// RUN: grep "KLEE: done: explored paths = 1" %t.klee-out/info
 #include <stdio.h>
 #include <assert.h>
 
diff --git a/test/Makefile b/test/Makefile
index 61a91800..bfdeb16d 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -49,6 +49,11 @@ LIT_ALL_TESTSUITES := $(LIT_TESTSUITE)
 check-local:: lit.site.cfg
 	$(Verb) ( $(ULIMIT) \
 	          $(PYTHON) $(LLVM_SRC_ROOT)/utils/lit/lit.py $(LIT_ARGS) $(LIT_TESTSUITE) )
+	@klee_last_path=$$(find . -name klee-last | head -1); \
+	 if [ ! -z "$$klee_last_path" ]; then \
+	  echo "error: one of the tests failed to use --output-dir, found: $$klee_last_path"; \
+	  exit 1; \
+	fi
 
 check-local-all:: lit.site.cfg
 	$(Verb) ( $(ULIMIT) \
diff --git a/test/Programs/pcregrep.c b/test/Programs/pcregrep.c
index 81b57dfc..fb99ef87 100644
--- a/test/Programs/pcregrep.c
+++ b/test/Programs/pcregrep.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc -m32 %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee --libc=klee --exit-on-error %t1.bc 2 2
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --libc=klee --exit-on-error %t1.bc 2 2
 // XFAIL: x86_64
 
 /* Provide Declarations */
diff --git a/test/Runtime/POSIX/DirConsistency.c b/test/Runtime/POSIX/DirConsistency.c
index 24bb8a6e..879dd75f 100644
--- a/test/Runtime/POSIX/DirConsistency.c
+++ b/test/Runtime/POSIX/DirConsistency.c
@@ -1,7 +1,9 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t.bc
-// RUN: %klee --run-in=/tmp --search=random-state --libc=uclibc --posix-runtime --exit-on-error %t.bc --sym-files 1 1 > %t1.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --run-in=/tmp --search=random-state --libc=uclibc --posix-runtime --exit-on-error %t.bc --sym-files 1 1 > %t1.log
 // RUN: %llvmgcc -D_FILE_OFFSET_BITS=64 %s -emit-llvm -O0 -c -o %t.bc
-// RUN: %klee --run-in=/tmp --search=random-state --libc=uclibc --posix-runtime --exit-on-error %t.bc --sym-files 1 1 > %t2.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --run-in=/tmp --search=random-state --libc=uclibc --posix-runtime --exit-on-error %t.bc --sym-files 1 1 > %t2.log
 // RUN: sort %t1.log %t2.log | uniq -c > %t3.log
 // RUN: grep -q "4 COUNT" %t3.log
 
diff --git a/test/Runtime/POSIX/DirSeek.c b/test/Runtime/POSIX/DirSeek.c
index 81336a68..1b2c25e8 100644
--- a/test/Runtime/POSIX/DirSeek.c
+++ b/test/Runtime/POSIX/DirSeek.c
@@ -1,7 +1,10 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t2.bc
-// RUN: %klee --run-in=/tmp --libc=uclibc --posix-runtime --exit-on-error %t2.bc --sym-files 2 2
-// RUN: %klee --run-in=/tmp --libc=uclibc --posix-runtime --exit-on-error %t2.bc --sym-files 1 2
-// RUN: %klee --run-in=/tmp --libc=uclibc --posix-runtime --exit-on-error %t2.bc --sym-files 0 2
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --run-in=/tmp --libc=uclibc --posix-runtime --exit-on-error %t2.bc --sym-files 2 2
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --run-in=/tmp --libc=uclibc --posix-runtime --exit-on-error %t2.bc --sym-files 1 2
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --run-in=/tmp --libc=uclibc --posix-runtime --exit-on-error %t2.bc --sym-files 0 2
 
 // For this test really to work as intended it needs to be run in a
 // directory large enough to cause uclibc to do multiple getdents
diff --git a/test/Runtime/POSIX/FDNumbers.c b/test/Runtime/POSIX/FDNumbers.c
index 3228c8a9..c012174c 100644
--- a/test/Runtime/POSIX/FDNumbers.c
+++ b/test/Runtime/POSIX/FDNumbers.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t2.bc
-// RUN: %klee --posix-runtime --exit-on-error %t2.bc --sym-files 1 10
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --posix-runtime --exit-on-error %t2.bc --sym-files 1 10
 
 #include <assert.h>
 #include <fcntl.h>
diff --git a/test/Runtime/POSIX/FD_Fail.c b/test/Runtime/POSIX/FD_Fail.c
index a4bf2fc2..186ada51 100644
--- a/test/Runtime/POSIX/FD_Fail.c
+++ b/test/Runtime/POSIX/FD_Fail.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee --libc=uclibc --posix-runtime %t1.bc --sym-files 0 0 --max-fail 1 > %t.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --libc=uclibc --posix-runtime %t1.bc --sym-files 0 0 --max-fail 1 > %t.log
 // RUN: grep -q "fread(): ok" %t.log
 // RUN: grep -q "fread(): fail" %t.log
 // RUN: grep -q "fclose(): ok" %t.log
diff --git a/test/Runtime/POSIX/FD_Fail2.c b/test/Runtime/POSIX/FD_Fail2.c
index 624329fc..74957597 100644
--- a/test/Runtime/POSIX/FD_Fail2.c
+++ b/test/Runtime/POSIX/FD_Fail2.c
@@ -1,12 +1,13 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee --libc=uclibc --posix-runtime --search=dfs %t1.bc --sym-files 1 10 --max-fail 1
-// RUN: test -f %T/klee-last/test000001.ktest
-// RUN: test -f %T/klee-last/test000002.ktest
-// RUN: test -f %T/klee-last/test000003.ktest
-// RUN: test -f %T/klee-last/test000004.ktest
-// RUN: test -f %T/klee-last/test000005.ktest
-// RUN: test -f %T/klee-last/test000006.ktest
-// RUN: test -f %T/klee-last/test000007.ktest
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --libc=uclibc --posix-runtime --search=dfs %t1.bc --sym-files 1 10 --max-fail 1
+// RUN: test -f %t.klee-out/test000001.ktest
+// RUN: test -f %t.klee-out/test000002.ktest
+// RUN: test -f %t.klee-out/test000003.ktest
+// RUN: test -f %t.klee-out/test000004.ktest
+// RUN: test -f %t.klee-out/test000005.ktest
+// RUN: test -f %t.klee-out/test000006.ktest
+// RUN: test -f %t.klee-out/test000007.ktest
 
 #include <stdio.h>
 #include <assert.h>
diff --git a/test/Runtime/POSIX/Fcntl.c b/test/Runtime/POSIX/Fcntl.c
index 1b37e711..13f6de78 100644
--- a/test/Runtime/POSIX/Fcntl.c
+++ b/test/Runtime/POSIX/Fcntl.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t2.bc
-// RUN: %klee --posix-runtime --exit-on-error %t2.bc --sym-files 1 10
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --posix-runtime --exit-on-error %t2.bc --sym-files 1 10
 
 #include <assert.h>
 #include <fcntl.h>
diff --git a/test/Runtime/POSIX/FilePerm.c b/test/Runtime/POSIX/FilePerm.c
index 1346c09a..c66e35de 100644
--- a/test/Runtime/POSIX/FilePerm.c
+++ b/test/Runtime/POSIX/FilePerm.c
@@ -1,8 +1,9 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t.bc
-// RUN: %klee --posix-runtime %t.bc --sym-files 1 10 --sym-stdout 2>%t.log 
-// RUN: test -f %T/klee-last/test000001.ktest
-// RUN: test -f %T/klee-last/test000002.ktest
-// RUN: test -f %T/klee-last/test000003.ktest
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --posix-runtime %t.bc --sym-files 1 10 --sym-stdout 2>%t.log 
+// RUN: test -f %t.klee-out/test000001.ktest
+// RUN: test -f %t.klee-out/test000002.ktest
+// RUN: test -f %t.klee-out/test000003.ktest
 
 #include <stdio.h>       
 #include <sys/types.h>
diff --git a/test/Runtime/POSIX/FreeArgv.c b/test/Runtime/POSIX/FreeArgv.c
index 4d2e5b75..8f812b5d 100644
--- a/test/Runtime/POSIX/FreeArgv.c
+++ b/test/Runtime/POSIX/FreeArgv.c
@@ -1,8 +1,9 @@
 // RUN: %llvmgcc %s -g -emit-llvm -O0 -c -o %t.bc
-// RUN: %klee --posix-runtime %t.bc --sym-args 1 1 1 2>&1 | FileCheck %s
-// RUN: test -f %T/klee-last/test000001.free.err
-// RUN: test -f %T/klee-last/test000002.free.err
-// RUN: test -f %T/klee-last/test000003.free.err
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --posix-runtime %t.bc --sym-args 1 1 1 2>&1 | FileCheck %s
+// RUN: test -f %t.klee-out/test000001.free.err
+// RUN: test -f %t.klee-out/test000002.free.err
+// RUN: test -f %t.klee-out/test000003.free.err
 
 int main(int argc, char **argv) {
   // FIXME: Use FileCheck's CHECK-DAG to check source locations
diff --git a/test/Runtime/POSIX/Futimesat.c b/test/Runtime/POSIX/Futimesat.c
index 6ae0ca7c..011fe56f 100644
--- a/test/Runtime/POSIX/Futimesat.c
+++ b/test/Runtime/POSIX/Futimesat.c
@@ -1,6 +1,7 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -g -c -o %t2.bc
 // RUN: touch /tmp/futimesat-dummy
-// RUN: %klee --posix-runtime --exit-on-error %t2.bc --sym-files 1 10
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --posix-runtime --exit-on-error %t2.bc --sym-files 1 10
 // RUN: rm /tmp/futimesat-dummy
 
 #include <assert.h>
diff --git a/test/Runtime/POSIX/Getenv.c b/test/Runtime/POSIX/Getenv.c
index 9d5672f7..eb3a611a 100644
--- a/test/Runtime/POSIX/Getenv.c
+++ b/test/Runtime/POSIX/Getenv.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t2.bc
-// RUN: %klee --libc=klee --posix-runtime --exit-on-error %t2.bc --sym-files 1 10
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --libc=klee --posix-runtime --exit-on-error %t2.bc --sym-files 1 10
 
 #include <assert.h>
 
diff --git a/test/Runtime/POSIX/Ioctl.c b/test/Runtime/POSIX/Ioctl.c
index 93ce4b5c..e8220276 100644
--- a/test/Runtime/POSIX/Ioctl.c
+++ b/test/Runtime/POSIX/Ioctl.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t.bc
-// RUN: %klee --posix-runtime --exit-on-error %t.bc --sym-files 0 4
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --posix-runtime --exit-on-error %t.bc --sym-files 0 4
 
 #include <assert.h>
 #include <fcntl.h>
diff --git a/test/Runtime/POSIX/Isatty.c b/test/Runtime/POSIX/Isatty.c
index 3054aadb..241c5cbb 100644
--- a/test/Runtime/POSIX/Isatty.c
+++ b/test/Runtime/POSIX/Isatty.c
@@ -1,9 +1,10 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t.bc
-// RUN: %klee --libc=uclibc --posix-runtime %t.bc --sym-files 0 10 --sym-stdout > %t.log 2>&1
-// RUN: test -f %T/klee-last/test000001.ktest
-// RUN: test -f %T/klee-last/test000002.ktest
-// RUN: test -f %T/klee-last/test000003.ktest
-// RUN: test -f %T/klee-last/test000004.ktest
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --libc=uclibc --posix-runtime %t.bc --sym-files 0 10 --sym-stdout > %t.log 2>&1
+// RUN: test -f %t.klee-out/test000001.ktest
+// RUN: test -f %t.klee-out/test000002.ktest
+// RUN: test -f %t.klee-out/test000003.ktest
+// RUN: test -f %t.klee-out/test000004.ktest
 // RUN: grep -q "stdin is a tty" %t.log
 // RUN: grep -q "stdin is NOT a tty" %t.log
 // RUN: grep -q "stdout is a tty" %t.log
diff --git a/test/Runtime/POSIX/Openat.c b/test/Runtime/POSIX/Openat.c
index 3c17f976..c46c1269 100644
--- a/test/Runtime/POSIX/Openat.c
+++ b/test/Runtime/POSIX/Openat.c
@@ -1,6 +1,7 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t2.bc
-// RUN: %klee --posix-runtime --exit-on-error %t2.bc --sym-files 1 10
-// RUN: test -f %T/klee-last/test000001.ktest
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --posix-runtime --exit-on-error %t2.bc --sym-files 1 10
+// RUN: test -f %t.klee-out/test000001.ktest
 
 #include <assert.h>
 #include <fcntl.h>
diff --git a/test/Runtime/POSIX/PrgName.c b/test/Runtime/POSIX/PrgName.c
index 6bc682ca..d62fe0fa 100644
--- a/test/Runtime/POSIX/PrgName.c
+++ b/test/Runtime/POSIX/PrgName.c
@@ -1,7 +1,8 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t2.bc
-// RUN: %klee --posix-runtime --exit-on-error %t2.bc --sym-arg 10 >%t.log
-// RUN: test -f %T/klee-last/test000001.ktest
-// RUN: test -f %T/klee-last/test000002.ktest
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --posix-runtime --exit-on-error %t2.bc --sym-arg 10 >%t.log
+// RUN: test -f %t.klee-out/test000001.ktest
+// RUN: test -f %t.klee-out/test000002.ktest
 // RUN: grep -q "No" %t.log
 // RUN: grep -qv "Yes" %t.log
 
diff --git a/test/Runtime/POSIX/Read1.c b/test/Runtime/POSIX/Read1.c
index 66831073..2b8cfa9d 100644
--- a/test/Runtime/POSIX/Read1.c
+++ b/test/Runtime/POSIX/Read1.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t.bc
-// RUN: %klee --exit-on-error --posix-runtime %t.bc --sym-files 1 8 >%t.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error --posix-runtime %t.bc --sym-files 1 8 >%t.log
 
 #include <unistd.h>
 #include <sys/types.h>
diff --git a/test/Runtime/POSIX/SELinux/SELinux.c b/test/Runtime/POSIX/SELinux/SELinux.c
index 65dd1a7f..21bebc4d 100644
--- a/test/Runtime/POSIX/SELinux/SELinux.c
+++ b/test/Runtime/POSIX/SELinux/SELinux.c
@@ -1,6 +1,7 @@
 /* Very basic test, as right now SELinux support is extremely basic */
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee --posix-runtime --exit-on-error %t1.bc --sym-arg 2 > %t.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --posix-runtime --exit-on-error %t1.bc --sym-arg 2 > %t.log
 // XFAIL: no-selinux
 
 #include <selinux/selinux.h>
diff --git a/test/Runtime/POSIX/SeedAndFail.c b/test/Runtime/POSIX/SeedAndFail.c
index d9bd7f8d..964ec500 100644
--- a/test/Runtime/POSIX/SeedAndFail.c
+++ b/test/Runtime/POSIX/SeedAndFail.c
@@ -1,8 +1,9 @@
 // RUN: %llvmgcc %s -emit-llvm -g -O0 -c -o %t.bc
-// RUN: rm -rf %T/tmp-123
-// RUN: %klee --libc=uclibc --output-dir=%T/tmp-123 --posix-runtime %t.bc --sym-files 1 10  2>%t.log
-// RUN: %klee --seed-out-dir=%T/tmp-123 --zero-seed-extension --libc=uclibc --posix-runtime %t.bc --sym-files 1 10 --max-fail 1
-// RUN: ls %T/klee-last | grep -c assert | grep 4
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --libc=uclibc --posix-runtime %t.bc --sym-files 1 10  2>%t.log
+// RUN: rm -rf %t.klee-out-2
+// RUN: %klee --output-dir=%t.klee-out-2 --seed-out-dir=%t.klee-out --zero-seed-extension --libc=uclibc --posix-runtime %t.bc --sym-files 1 10 --max-fail 1
+// RUN: ls %t.klee-out-2 | grep -c assert | grep 4
 
 #include <string.h>
 #include <assert.h>
diff --git a/test/Runtime/POSIX/Stdin.c b/test/Runtime/POSIX/Stdin.c
index b5402cf1..ebf16405 100644
--- a/test/Runtime/POSIX/Stdin.c
+++ b/test/Runtime/POSIX/Stdin.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t.bc
-// RUN: %klee --libc=uclibc --posix-runtime --exit-on-error %t.bc --sym-files 0 4 > %t.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --libc=uclibc --posix-runtime --exit-on-error %t.bc --sym-files 0 4 > %t.log
 // RUN: grep "mode:file" %t.log
 // RUN: grep "mode:dir" %t.log
 // RUN: grep "mode:chr" %t.log
diff --git a/test/Runtime/POSIX/Write1.c b/test/Runtime/POSIX/Write1.c
index 16132b82..d260f2c3 100644
--- a/test/Runtime/POSIX/Write1.c
+++ b/test/Runtime/POSIX/Write1.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t.bc
-// RUN: %klee --exit-on-error --libc=uclibc --posix-runtime %t.bc --sym-files 1 10 --sym-stdout 2>%t.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error --libc=uclibc --posix-runtime %t.bc --sym-files 1 10 --sym-stdout 2>%t.log
 
 #include <stdio.h>
 #include <assert.h>
diff --git a/test/Runtime/POSIX/Write2.c b/test/Runtime/POSIX/Write2.c
index 9801e70c..edb3e5b2 100644
--- a/test/Runtime/POSIX/Write2.c
+++ b/test/Runtime/POSIX/Write2.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t.bc
-// RUN: %klee --exit-on-error --libc=uclibc --posix-runtime %t.bc --sym-files 1 10 --sym-stdout 2>%t.log
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error --libc=uclibc --posix-runtime %t.bc --sym-files 1 10 --sym-stdout 2>%t.log
 
 #include <stdio.h>
 #include <assert.h>
diff --git a/test/Runtime/Uclibc/2007-10-08-optimization-calls-wrong-libc-functions.c b/test/Runtime/Uclibc/2007-10-08-optimization-calls-wrong-libc-functions.c
index 83e6a57a..71f6d07a 100644
--- a/test/Runtime/Uclibc/2007-10-08-optimization-calls-wrong-libc-functions.c
+++ b/test/Runtime/Uclibc/2007-10-08-optimization-calls-wrong-libc-functions.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee --exit-on-error --optimize --libc=uclibc %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error --optimize --libc=uclibc %t1.bc
 
 #include <string.h>
 #include <assert.h>
diff --git a/test/Runtime/Uclibc/2008-03-04-libc-atexit-uses-dso-handle.c b/test/Runtime/Uclibc/2008-03-04-libc-atexit-uses-dso-handle.c
index 686bec19..47ee3a4d 100644
--- a/test/Runtime/Uclibc/2008-03-04-libc-atexit-uses-dso-handle.c
+++ b/test/Runtime/Uclibc/2008-03-04-libc-atexit-uses-dso-handle.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee --exit-on-error --libc=uclibc %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error --libc=uclibc %t1.bc
 
 // just make sure atexit works ok
 
diff --git a/test/Runtime/Uclibc/Environ.c b/test/Runtime/Uclibc/Environ.c
index 36db1911..76208278 100644
--- a/test/Runtime/Uclibc/Environ.c
+++ b/test/Runtime/Uclibc/Environ.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -g -c -o %t1.bc
-// RUN: %klee --libc=uclibc --exit-on-error %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --libc=uclibc --exit-on-error %t1.bc
 
 #include <assert.h>
 #include <stdlib.h>
diff --git a/test/regression/2007-07-25-invalid-stp-array-binding-to-objectstate.c b/test/regression/2007-07-25-invalid-stp-array-binding-to-objectstate.c
index ad585ddd..611656bd 100644
--- a/test/regression/2007-07-25-invalid-stp-array-binding-to-objectstate.c
+++ b/test/regression/2007-07-25-invalid-stp-array-binding-to-objectstate.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc
 
 #include <assert.h>
 
diff --git a/test/regression/2007-07-30-unflushed-byte.c b/test/regression/2007-07-30-unflushed-byte.c
index ba8a08a7..20f60eef 100644
--- a/test/regression/2007-07-30-unflushed-byte.c
+++ b/test/regression/2007-07-30-unflushed-byte.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc
 
 #include <assert.h>
 
diff --git a/test/regression/2007-08-01-bool-zext-in-call.ll b/test/regression/2007-08-01-bool-zext-in-call.ll
index fc77785d..1a4bf4f3 100644
--- a/test/regression/2007-08-01-bool-zext-in-call.ll
+++ b/test/regression/2007-08-01-bool-zext-in-call.ll
@@ -1,12 +1,6 @@
-; RUN: rm -rf %T/xxx
-;
-; The output directory must be explicitly set so that it ends up in the Output/
-; directory which is not scanned for .ll files by llvm-lit, otherwise running
-; test suite a second time will cause problems because assembly.ll generated by
-; executing this test case the first time will be detected as a test case.
-;
-; RUN: llvm-as -f %s -o - | %klee --output-dir=%T/xxx
-; RUN: not test -f %T/xxx/klee-last/test0001.abort.err
+; RUN: rm -rf %t.klee-out
+; RUN: llvm-as -f %s -o - | %klee --output-dir=%t.klee-out
+; RUN: not test -f %t.klee-out/test0001.abort.err
 
 declare void @klee_abort()
 
diff --git a/test/regression/2007-08-01-cache-unclear-on-overwrite-flushed.c b/test/regression/2007-08-01-cache-unclear-on-overwrite-flushed.c
index 15f4e90e..0aa20896 100644
--- a/test/regression/2007-08-01-cache-unclear-on-overwrite-flushed.c
+++ b/test/regression/2007-08-01-cache-unclear-on-overwrite-flushed.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc
 
 #include <assert.h>
 #include <stdio.h>
diff --git a/test/regression/2007-08-06-64bit-shift.c b/test/regression/2007-08-06-64bit-shift.c
index 958e56c0..ac282dbd 100644
--- a/test/regression/2007-08-06-64bit-shift.c
+++ b/test/regression/2007-08-06-64bit-shift.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc
 
 #include <assert.h>
 
diff --git a/test/regression/2007-08-06-access-after-free.c b/test/regression/2007-08-06-access-after-free.c
index a1812062..ae80b8b8 100644
--- a/test/regression/2007-08-06-access-after-free.c
+++ b/test/regression/2007-08-06-access-after-free.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc
 
 #include <assert.h>
 
diff --git a/test/regression/2007-08-08-free-zero.c b/test/regression/2007-08-08-free-zero.c
index 935b04fd..3718f3cf 100644
--- a/test/regression/2007-08-08-free-zero.c
+++ b/test/regression/2007-08-08-free-zero.c
@@ -1,6 +1,7 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc
-// RUN: ls %T/klee-last | not grep *.err
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc
+// RUN: ls %t.klee-out | not grep *.err
 
 #include <stdlib.h>
 
diff --git a/test/regression/2007-08-16-invalid-constant-value.c b/test/regression/2007-08-16-invalid-constant-value.c
index ea0a5fee..e0b304f4 100644
--- a/test/regression/2007-08-16-invalid-constant-value.c
+++ b/test/regression/2007-08-16-invalid-constant-value.c
@@ -2,7 +2,8 @@
 // RUN: %llvmgcc %s -emit-llvm -O2 -c -o %t1.bc
 // RUN: llvm-as -f %p/../Feature/_utils._ll -o %t2.bc
 // RUN: llvm-link %t1.bc %t2.bc -o %t3.bc
-// RUN: %klee %t3.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t3.bc
 
 #include <assert.h>
 
diff --git a/test/regression/2007-08-16-valid-write-to-freed-object.c b/test/regression/2007-08-16-valid-write-to-freed-object.c
index 472b7de8..1fca1cca 100644
--- a/test/regression/2007-08-16-valid-write-to-freed-object.c
+++ b/test/regression/2007-08-16-valid-write-to-freed-object.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc
 
 unsigned sym() {
   unsigned x;
diff --git a/test/regression/2007-10-11-free-of-alloca.c b/test/regression/2007-10-11-free-of-alloca.c
index 44a9ed4e..cfd633dc 100644
--- a/test/regression/2007-10-11-free-of-alloca.c
+++ b/test/regression/2007-10-11-free-of-alloca.c
@@ -1,10 +1,11 @@
 // RUN: %llvmgcc %s -g -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc 2>&1 | FileCheck %s
-// RUN: test -f %T/klee-last/test000001.free.err
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc 2>&1 | FileCheck %s
+// RUN: test -f %t.klee-out/test000001.free.err
 
 int main() {
   int buf[4];
-  // CHECK: 2007-10-11-free-of-alloca.c:8: free of alloca
+  // CHECK: 2007-10-11-free-of-alloca.c:9: free of alloca
   free(buf); // this should give runtime error, not crash
   return 0;
 }
diff --git a/test/regression/2007-10-11-illegal-access-after-free-and-branch.c b/test/regression/2007-10-11-illegal-access-after-free-and-branch.c
index 73b3ed3f..c5cffa36 100644
--- a/test/regression/2007-10-11-illegal-access-after-free-and-branch.c
+++ b/test/regression/2007-10-11-illegal-access-after-free-and-branch.c
@@ -1,6 +1,7 @@
 // RUN: %llvmgcc %s -emit-llvm -g -c -o %t1.bc
-// RUN: %klee --optimize %t1.bc 2>&1 | FileCheck %s
-// RUN: test -f %T/klee-last/test000001.ptr.err
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --optimize %t1.bc 2>&1 | FileCheck %s
+// RUN: test -f %t.klee-out/test000001.ptr.err
 
 #include <stdlib.h>
 #include <stdio.h>
@@ -14,7 +15,7 @@ int main(int argc, char **argv) {
   free(buf);
   if (x)
   {
-    // CHECK: 2007-10-11-illegal-access-after-free-and-branch.c:18: memory error: out of bound pointer
+    // CHECK: 2007-10-11-illegal-access-after-free-and-branch.c:19: memory error: out of bound pointer
     return buf[2];
   }
   klee_silent_exit(0);
diff --git a/test/regression/2007-10-12-failed-make-symbolic-after-copy.c b/test/regression/2007-10-12-failed-make-symbolic-after-copy.c
index bfe61f2c..800b57e7 100644
--- a/test/regression/2007-10-12-failed-make-symbolic-after-copy.c
+++ b/test/regression/2007-10-12-failed-make-symbolic-after-copy.c
@@ -1,6 +1,7 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc
-// RUN: test -f %T/klee-last/test000001.ktest
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc
+// RUN: test -f %t.klee-out/test000001.ktest
 
 int main() {
   unsigned x, y[4];
diff --git a/test/regression/2008-03-04-free-of-global.c b/test/regression/2008-03-04-free-of-global.c
index 5351128d..3416fd61 100644
--- a/test/regression/2008-03-04-free-of-global.c
+++ b/test/regression/2008-03-04-free-of-global.c
@@ -1,11 +1,12 @@
 // RUN: %llvmgcc %s -g -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc 2>&1 | FileCheck %s
-// RUN: test -f %T/klee-last/test000001.free.err
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc 2>&1 | FileCheck %s
+// RUN: test -f %t.klee-out/test000001.free.err
 
 int buf[4];
 
 int main() {
-  // CHECK: 2008-03-04-free-of-global.c:9: free of global
+  // CHECK: 2008-03-04-free-of-global.c:10: free of global
   free(buf); // this should give runtime error, not crash
   return 0;
 }
diff --git a/test/regression/2008-03-11-free-of-malloc-zero.c b/test/regression/2008-03-11-free-of-malloc-zero.c
index d096818b..07ec2918 100644
--- a/test/regression/2008-03-11-free-of-malloc-zero.c
+++ b/test/regression/2008-03-11-free-of-malloc-zero.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee --exit-on-error %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error %t1.bc
 
 #include <stdlib.h>
 
diff --git a/test/regression/2008-04-10-bad-alloca-free.c b/test/regression/2008-04-10-bad-alloca-free.c
index a6215f64..3404a42e 100644
--- a/test/regression/2008-04-10-bad-alloca-free.c
+++ b/test/regression/2008-04-10-bad-alloca-free.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee --exit-on-error %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error %t1.bc
 
 void f(int *addr) {
   klee_make_symbolic(addr, sizeof *addr, "moo");
diff --git a/test/regression/2008-05-23-gep-with-global-const.c b/test/regression/2008-05-23-gep-with-global-const.c
index 3ad9b24e..6bd78dd2 100644
--- a/test/regression/2008-05-23-gep-with-global-const.c
+++ b/test/regression/2008-05-23-gep-with-global-const.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc -emit-llvm -O0 -c -o %t.bc %s
-// RUN: %klee --exit-on-error %t.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --exit-on-error %t.bc
 
 #include <assert.h>
 
diff --git a/test/regression/2012-05-13-asm-causes-aborts.c b/test/regression/2012-05-13-asm-causes-aborts.c
index 6622d02b..322e5bb8 100644
--- a/test/regression/2012-05-13-asm-causes-aborts.c
+++ b/test/regression/2012-05-13-asm-causes-aborts.c
@@ -1,5 +1,6 @@
 // RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
-// RUN: %klee %t1.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t1.bc
 
 int main(int argc, char *argv[]){
 	__asm__ __volatile__ ("movl %eax, %eax");
diff --git a/test/regression/2014-07-04-unflushed-error-report.c b/test/regression/2014-07-04-unflushed-error-report.c
index 63431370..0518fb4d 100644
--- a/test/regression/2014-07-04-unflushed-error-report.c
+++ b/test/regression/2014-07-04-unflushed-error-report.c
@@ -1,6 +1,7 @@
 // RUN: %llvmgcc %s -emit-llvm -g -O0 -c -o %t.bc
-// RUN: %klee -check-overshift %t.bc 2> %t.log
-// RUN: FileCheck -input-file=%T/klee-last/test000001.overshift.err %s
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out -check-overshift %t.bc 2> %t.log
+// RUN: FileCheck -input-file=%t.klee-out/test000001.overshift.err %s
 
 /* This test checks that the error file isn't empty and contains the
  * right content.
@@ -18,7 +19,7 @@ int main()
   // CHECK-NEXT: 2014-07-04-unflushed-error-report.c
   // FIXME: Need newer FileCheck for to do ``Line: [[@LINE+1]]``
   // Just hardcode line number for now
-  // CHECK-NEXT: Line: 22
+  // CHECK-NEXT: Line: 23
   result = x << y;
 
   return 0;