// RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc // RUN: rm -rf %t.klee-out // RUN: %klee --output-dir=%t.klee-out %t1.bc #include int main() { int a; unsigned char *p = malloc(4); klee_make_symbolic(&a, sizeof a, "a"); klee_make_symbolic(p, sizeof p, "p"); p[0] |= 16; if (a) { free(p); // this should give an error instead of // pulling the state from the parent, where // it is not free assert(p[0] > 10); return 0; } assert(p[0] > 10); return 0; }