rosette-lang is an actively used programming language created in 2013. Rosette is a solver-aided programming language that extends Racket with language constructs for program synthesis, verification, and more. To verify or synthesize code, Rosette compiles it to logical constraints solved with off-the-shelf SMT solvers. By combining virtualized access to solvers with Racket’s metaprogramming, Rosette makes it easy to develop synthesis and verification tools for new languages.

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Example code from the web:

#lang rosette

(define (interpret formula)
  (match formula
    [`(∧ ,expr ...) (apply && (map interpret expr))]
    [`(∨ ,expr ...) (apply || (map interpret expr))]
    [`(¬ ,expr)     (! (interpret expr))]
    [lit            (constant lit boolean?)]))

; This implements a SAT solver.
(define (SAT formula)
  (solve (assert (interpret formula))))

(SAT `(∧ r o (∨ s e (¬ t)) t (¬ e)))

Last updated June 22nd, 2020

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