infer_clone/infer/documentation/issues/INFINITE_EXECUTION_TIME.md

This warning indicates that Infer was not able to determine a static upper bound on the execution cost of the procedure. By default, this issue type is disabled.

For instance, Inferbo's interval analysis is limited to affine expressions. Hence, we can't statically estimate an upper bound on the below example and obtain T(unknown) cost:

// Expected: square root(x), got T
void square_root_FP(int x) {
 int i = 0;
 while (i * i < x) {
   i++;
 }
}

Consequently, we report an INFINITE_EXECUTION_TIME, corresponding to the biggest bound T.