// RUN: echo "x" > %t1.res // RUN: echo "x" >> %t1.res // 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: diff %t1.res %t1.log #include unsigned klee_urange(unsigned start, unsigned end) { unsigned x; klee_make_symbolic(&x, sizeof x); if (x-start>=end-start) klee_silent_exit(0); return x; } int *make_int(int i) { int *x = malloc(sizeof(*x)); *x = i; return x; } int main() { int *buf[4]; int i,s,t; for (i=0; i<4; i++) buf[i] = make_int((i+1)*2); s = klee_urange(0,4); int x = *buf[s]; if (x == 4) if (s!=1) abort(); printf("x\n"); fflush(stdout); return 0; }