Proof objective function for Stateflow charts and MATLAB Function blocks
This function has no output and
no impact on its parenting function, other than
any indirect side effects of evaluating
expr. If you issue this function from the MATLAB® command line, the function has no
sldv.prove proof assumptions within the code or
separate the assumptions into a verification script.
Specify Property Proof Objective and Proof Assumption
Specify a property proof objective and proof assumption in
sldvdemo_sqrt_blockrep model by using a MATLAB
sldvdemo_sbr_verification model and save it as
Open the Safety Properties subsystem.
Open the MATLAB Property block, which is a MATLAB Function block.
At the end of the
check_reminder function definition,
sldv.assume(Inputs.KEY==0 | 1); so that the last two
lines of the function definition are:
sldv.prove(implies(activeCond, SeatBeltIcon)); sldv.assume(Inputs.KEY==0 | 1);
To save the updated code, in the Editor tab, click Save and close the editor.
To prove the safety properties, in the Simulink® Editor, select the Safety Properties subsystem. On the Design Verifier tab, click Prove Properties.
Alternatively, in the Simulink Editor, you can right-click the Safety Properties subsystem and select Design Verifier > Prove Subsystem Properties.
expr — Boolean expression for assumption
MATLAB expression, for example,
x > 0.
Instead of using the
sldv.prove function, you can insert a Proof Objective block in your model. Using
instead of a Proof Objective block offers several benefits, described in What Is Property Proving?.
You can also specify a proof objective by using MATLAB for code generation without using the
sldv.prove instead of directly using MATLAB for code generation eliminates the need to:
Express the objective by using a Simulink block.
Explicitly connect the proof output to a Simulink block.