File: smt-array-range.m

package info (click to toggle)
rumur 2020.12.20-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 3,292 kB
  • sloc: cpp: 17,090; ansic: 2,537; objc: 1,542; python: 1,120; sh: 538; yacc: 536; lex: 229; lisp: 15; makefile: 5
file content (25 lines) | stat: -rw-r--r-- 532 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
-- rumur_flags: self.config['SMT_ARGS']
-- skip_reason: 'no SMT solver available' if self.config['SMT_ARGS'] is None else None

-- test whether the SMT bridge can simplify expressions involving arrays

type
  t: array[0 .. 1] of 0 .. 1;

var
  x: t;
  y: boolean;

startstate begin
  y := true;
end;

rule begin
  /* if the SMT bridge is working correctly, it will simplify the condition in
   * the following expression to `true` avoiding the read of an undefined
   * variable
   */
  if x[0] = x[0] then
    y := !y;
  end;
end;