Table 1: LTL property verification using ProB.

LTL property Meaning Result
G{state/ = STOP} State stop is not reached for M1. A counterexample has been found:
(Move → changeStatetoS2)179
→ move → reachStop
G{(theta > -50)&(theta < 50)} Theta is in (-50, 50) A counterexample has been found:
(Move → changeStatetoS2)50
G {x < 12} The length of arm is less than 12 A counterexample has been found:
(Translation → changeStatetoS1)2
G{state/ = final} State final is not reached for M2. A counterexample has been found:
(Translation → changeStatetoS1)35
→ translation → reachFinal