formal-verification Examples and Free Source Code

Frama-C / WP Proof of Moving Average Function - Pointer validity of array slice fails...

c frama-c formal-verification

How do I use a loop invariant to catch a bug in my program?...

semantics formal-verification post-conditions hoare-logic

How do I infer the weakest precondition when a loop invariant is given?...

semantics formal-verification loop-invariant post-conditions hoare-logic

Dafny verifier fails to prove the consequence of multiset...

functional-programming dafny formal-verification multiset

Lean 4: Agda user struggling to understand Lean's equality type, type mismatch, not reducing...

functional-programming theorem-proving formal-verification lean type-theory

I cannot understand why Alloy does not find an instance for my model...

alloy formal-verification model-checking

Is Dafny 4.10 too powerful for exercises in Leino's book "Program proofs"?...

dafny formal-verification

What is the difference between ##1 and |=> in System Verilog assertions and if statement vs asser...

simulation system-verilog formal-verification system-verilog-assertions

Does loop invariant verification using SMTs require enumerating values of variables?...

smt formal-verification loop-invariant

Formal verification of synchronous FIFO with failing SystemVerilog assertion...

verilog system-verilog formal-verification system-verilog-assertions

Proving correctness of Matrix Addition...

matrix dafny formal-verification proof-of-correctness

accessing members of constrained type parameters in Dafny...

dafny formal-verification

Issues with converting 2D matrix indices to 1D array index...

indexing verification dafny formal-verification

Copy a singly linked list with Frama-C...

linked-list frama-c formal-verification

Turn `P(?x)` into `exists x,P(x)` to give different instantiations for different subgoals in Coq...

logic rocq-prover formal-verification

How to add an element to a total function while making sure no other mapping to this element exists?...

formal-verification formal-methods event-b

WP Plugin: Why does the following simplified code fail to verify...

static-analysis verification proof frama-c formal-verification

How to create a constant reference to an object in Dafny...

multicore dafny formal-verification

Alloy does not find a solution (instance) for my specification...

alloy formal-languages formal-verification formal-methods

How do I check if the result of symTake is equal to a concrete list?...

haskell formal-verification

How to revers a seq relation in Alloy...

modeling specifications alloy formal-verification

Formal verification of state machine with SymbiYosys not giving expected results...

verilog formal-verification yosys

How do you prove termination of a recursive list length?...

recursion formal-verification termination formal-methods

Dafny issue modifying array member of class...

dafny formal-verification

How to verify C functions with array parameters using Isabelle...

c isabelle formal-verification sta sel4

How to prove a = b → a + 1 = b + 1 in lean?...

dependent-type formal-verification lean

Can't compile Hello World in F*...

ocaml formal-verification fstar

How to prove properties of non-linear operators involved in LEB128 algorithm in Dafny?...

dafny formal-verification

How to capture a change in an element of an array in TLA+...

formal-verification formal-methods tla+

Dafny method will not verify...

dafny formal-verification loop-invariant post-conditions