Formal verification activitiesDr. ir. N. Goga

UML Formal VerificationA necessary step for building a formal specificationIf a formal specification is built, than a formal check for invariants, deadlocks can be made

UML sequence diagramThe mistake (typing) is marked with red: the user put in the wrong way the direction of the line

UML Formal VerificationDeclaration of global types, channels of communication

UML Formal Verification

UML Formal Verification

UML Formal Verification

UML Formal Verification

UML Formal VerificationRunning optionsCompilation for simulation with send (-s) and receive (-r) events printed and random seed (-n) 154 spin -s -r -n154 name_filleFull verification:spin -a name_file gcc -o pan pan.c ./panSee result of the wrong path: spin -t -p name_file

UML Formal VerificationDeadline will be discovered Show figure

UML sequence diagram corrected

UML Formal Verification

UML Formal Verification