File: regexp_concat_input_unsat.desc

package info (click to toggle)
cbmc 5.12-5
  • links: PTS
  • area: main
  • in suites: bullseye
  • size: 92,512 kB
  • sloc: cpp: 301,761; ansic: 51,699; java: 27,534; python: 5,113; yacc: 4,756; makefile: 3,184; lex: 2,749; sh: 1,347; perl: 555; xml: 404; pascal: 203; ada: 36
file content (18 lines) | stat: -rw-r--r-- 315 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
FUTURE cvc4_bug z3_bug
regexp_concat_input_unsat.smt2

^EXIT=0$
^SIGNAL=0$
^unsat$
--
error
--
cvc4 (--strings-exp):
Erroneously returns SAT.
The obtained model is rubbish too, it assumes that
"abc" matches "A"* + "ab"*
(cvc4 1.7-prerelease [git master e1dc3932])

z3:
Returns "unknown"
Z3 [version 4.8.3 - 64 bit]