// RUN: %clang -emit-llvm -c -g %O0opt %s -o %t.bc // 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: FileCheck --input-file=%t.log %s /* This test case captures a bug where two distinct division * by zero errors are treated as the same error and so * only one test case is generated EVEN IF THERE ARE MULTIPLE * DISTINCT ERRORS! */ int main() { unsigned int a = 15; unsigned int b = 15; volatile unsigned int d1; volatile unsigned int d2; klee_make_symbolic(&d1, sizeof(d1), "divisor1"); klee_make_symbolic(&d2, sizeof(d2), "divisor2"); // deliberate division by zero possible // CHECK: consecutive_divide_by_zero.c:[[@LINE+1]]: divide by zero unsigned int result1 = a / d1; // another deliberate division by zero possible // CHECK: consecutive_divide_by_zero.c:[[@LINE+1]]: divide by zero unsigned int result2 = b / d2; // CHECK: completed paths = 3 // CHECK: generated tests = 3 return 0; }