Add option to generate function body to goto-instrument

Author: hannes-steffenhagen-diffblue

regression/goto-instrument/generate-function-body/main.c

@@ -0,0 +1,21 @@
+#include <assert.h>
+
+void should_not_be_replaced(void)
+{
+  __CPROVER_assume(0);
+}
+
+void should_be_generated(void);
+
+int main(void)
+{
+  int flag;
+  int does_not_get_reached = 0;
+  if(flag)
+  {
+    should_not_be_replaced();
+    assert(does_not_get_reached);
+  }
+  should_be_generated();
+  return 0;
+}

regression/goto-instrument/generate-function-body/test.desc

@@ -0,0 +1,8 @@
+CORE
+main.c
+--generate-function-body '(?!__).*' --replace-function-body-options assert-false
+^EXIT=10$
+^SIGNAL=0$
+^VERIFICATION FAILED$
+^\[main.assertion.1\] assertion does_not_get_reached: SUCCESS$
+^\[should_be_generated.assertion.1\] assertion FALSE: FAILURE$

regression/goto-instrument/replace-function-body-assert-false-assume-false/main.c

@@ -0,0 +1,14 @@
+#include <assert.h>
+
+void crashes_program(void);
+
+int main(void)
+{
+  int flag;
+  if(flag)
+  {
+    crashes_program();
+    assert(0);
+  }
+  return 0;
+}

regression/goto-instrument/replace-function-body-assert-false-assume-false/test.desc

@@ -0,0 +1,8 @@
+CORE
+main.c
+--replace-function-body crashes_program --replace-function-body-options assert-false-assume-false
+^EXIT=10$
+^SIGNAL=0$
+^VERIFICATION FAILED$
+^\[main.assertion.1\] assertion 0: SUCCESS$
+^\[crashes_program.assertion.1\] assertion FALSE: FAILURE$

regression/goto-instrument/replace-function-body-assert-false/main.c

@@ -0,0 +1,6 @@
+void do_not_call_this(void);
+
+int main(void)
+{
+  do_not_call_this();
+}

regression/goto-instrument/replace-function-body-assert-false/test.desc

@@ -0,0 +1,8 @@
+CORE
+main.c
+--replace-function-body do_not_call_this --replace-function-body-options assert-false
+^EXIT=10$
+^SIGNAL=0$
+^\[do_not_call_this.assertion.1\] assertion FALSE: FAILURE$
+--
+^warning: ignoring

regression/goto-instrument/replace-function-body-assume-false/main.c

@@ -0,0 +1,9 @@
+#include <assert.h>
+
+void will_not_return(void);
+
+int main(void)
+{
+  will_not_return();
+  assert(0);
+}

regression/goto-instrument/replace-function-body-assume-false/test.desc

@@ -0,0 +1,8 @@
+CORE
+main.c
+--replace-function-body will_not_return --replace-function-body-options assume-false
+^EXIT=0$
+^SIGNAL=0$
+^VERIFICATION SUCCESSFUL$
+--
+^warning: ignoring

regression/goto-instrument/replace-function-body-havoc-globals/main.c

@@ -0,0 +1,13 @@
+#include <assert.h>
+
+int global = 10;
+const int constant_global = 10;
+
+void touches_globals(void);
+
+int main(void)
+{
+  touches_globals();
+  assert(global == 10);
+  assert(constant_global == 10);
+}

regression/goto-instrument/replace-function-body-havoc-globals/test.desc

@@ -0,0 +1,10 @@
+CORE
+main.c
+--replace-function-body touches_globals --replace-function-body-options 'havoc,globals:(?!__).*'
+^EXIT=10$
+^SIGNAL=0$
+^VERIFICATION FAILED$
+^\[main.assertion.1\] assertion global == 10: FAILURE$
+^\[main.assertion.2\] assertion constant_global == 10: SUCCESS$
+--
+^warning: ignoring