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-rw-r--r--examples/double_integrator/double_integrator_strict.vnnlib21
1 files changed, 21 insertions, 0 deletions
diff --git a/examples/double_integrator/double_integrator_strict.vnnlib b/examples/double_integrator/double_integrator_strict.vnnlib
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+; Strict Equivalence for Double Integrator
+
+; Constant declaration
+(declare-const X_0 Real)
+(declare-const X_1 Real)
+(declare-const Y_0 Real)
+(declare-const Y_1 Real)
+(declare-const Y_2 Real)
+(declare-const Y_3 Real)
+
+; Bounded inputs: X must be within [0, 1]
+(assert (>= X_0 0.0))
+(assert (<= X_0 1.0))
+(assert (>= X_1 0.0))
+(assert (<= X_1 1.0))
+
+; Violation of strict equivalence
+(assert (or
+ (not (= Y_0 Y_2))
+ (not (= Y_1 Y_3))
+))