// RUN: %llvmgcc %s -emit-llvm -g -O0 -c -o %t.bc // RUN: %klee -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 /* This test checks that two consecutive potential overshifts * are reported as errors. */ int main() { unsigned int x=15; unsigned int y; unsigned int z; volatile unsigned int result; /* Overshift if y>= sizeof(x) */ klee_make_symbolic(&y,sizeof(y),"shift_amount1"); result = x << y; /* Overshift is z>= sizeof(x) */ klee_make_symbolic(&z,sizeof(z),"shift_amount2"); result = x >> z; return 0; }