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clauseproc.lisp
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; FGL - A Symbolic Simulation Framework for ACL2
; Copyright (C) 2019 Centaur Technology
;
; Contact:
; Centaur Technology Formal Verification Group
; 7600-C N. Capital of Texas Highway, Suite 300, Austin, TX 78731, USA.
; http://www.centtech.com/
;
; License: (An MIT/X11-style license)
;
; Permission is hereby granted, free of charge, to any person obtaining a
; copy of this software and associated documentation files (the "Software"),
; to deal in the Software without restriction, including without limitation
; the rights to use, copy, modify, merge, publish, distribute, sublicense,
; and/or sell copies of the Software, and to permit persons to whom the
; Software is furnished to do so, subject to the following conditions:
;
; The above copyright notice and this permission notice shall be included in
; all copies or substantial portions of the Software.
;
; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
; FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
; DEALINGS IN THE SOFTWARE.
;
; Original author: Sol Swords <[email protected]>
(in-package "FGL")
(include-book "interp")
(include-book "ctrex-utils")
(include-book "casesplit")
(local (in-theory (disable pseudo-termp pseudo-term-listp)))
;; (include-book "primitives")
(define variable-g-bindings ((vars pseudo-var-list-p))
:returns (bindings fgl-object-bindings-p)
(if (atom vars)
nil
(cons (cons (pseudo-var-fix (car vars))
(g-var (car vars)))
(variable-g-bindings (cdr vars))))
///
(defret fgl-object-bindings-bfrlist-of-<fn>
(equal (fgl-object-bindings-bfrlist bindings) nil))
(defret alist-keys-of-<fn>
(equal (alist-keys bindings)
(pseudo-var-list-fix vars))
:hints(("Goal" :in-theory (enable alist-keys))))
(defret lookup-in-<fn>
(equal (hons-assoc-equal k bindings)
(and (member k (pseudo-var-list-fix vars))
(cons k (g-var k))))
:hints(("Goal" :in-theory (enable pseudo-var-list-fix)))))
(defun def-cons-opener-fn (accessor wrld)
(Declare (Xargs :mode :program))
(b* ((fn (acl2::deref-macro-name accessor (acl2::macro-aliases wrld)))
(formals (acl2::formals fn wrld))
(body (body fn nil wrld))
((unless (eql (len formals) 1))
(er hard? 'def-cons-opener-fn "Only works for single-argument functions")))
`(defthm ,(intern-in-package-of-symbol
(concatenate 'string (symbol-name accessor) "-OF-CONS")
accessor)
(equal (,accessor (cons a b))
(let ((,(car formals) (cons a b)))
,body))
:hints(("Goal" :in-theory (enable ,accessor))))))
(defmacro def-cons-opener (accessor)
`(make-event
(def-cons-opener-fn ',accessor (w state))))
(encapsulate nil
(set-ignore-ok t)
(def-cons-opener interp-st->logicman)
(def-cons-opener interp-st->stack)
(def-cons-opener interp-st->constraint-db)
(def-cons-opener interp-st->constraint-db^)
(def-cons-opener interp-st->bvar-db)
(def-cons-opener interp-st->pathcond)
(def-cons-opener interp-st->constraint)
(def-cons-opener interp-st->cgraph)
(def-cons-opener interp-st->cgraph^)
(def-cons-opener logicman->bfrstate)
(def-cons-opener logicman->aignet)
(def-cons-opener logicman->mode)
(def-cons-opener logicman->mode^)
(def-cons-opener logicman->ipasir-length)
(def-cons-opener logicman->sat-lits-length)
(def-cons-opener logicman->aignet-refcounts)
(def-cons-opener logicman->refcounts-index)
(def-cons-opener logicman->refcounts-index^))
(local (defthm sat-lits-wfp-of-create-sat-lits
(aignet::sat-lits-wfp (aignet::create-sat-lits) aignet)
:hints(("Goal" :in-theory (enable aignet::sat-lits-wfp aignet::create-sat-lits)))))
;; (local (defthm cnf-for-aignet-of-create-sat-lits
;; (aignet::cnf-for-aignet aignet nil (aignet::create-sat-lits))
;; :hints(("Goal" :in-theory (enable aignet::cnf-for-aignet aignet::create-sat-lits
;; aignet::aignet-agrees-with-cnf
;; aignet::aignet-id-has-sat-var
;; satlink::eval-formula)))))
(local (in-theory (disable w)))
(define initialize-interp-st ((config fgl-config-p)
(interp-st)
state)
:returns (mv new-interp-st new-state)
:prepwork ((local (defthm constraint-db-bfrlist-of-fast-alist-fork
(implies (and (not (member v (constraint-db-bfrlist x)))
(not (member v (constraint-db-bfrlist y))))
(not (member v (constraint-db-bfrlist (fast-alist-fork x y))))))))
:verify-guards nil
(b* ((interp-st (interp-st-init interp-st))
((fgl-config config))
(interp-st (update-interp-st->reclimit config.reclimit interp-st))
(interp-st (update-interp-st->config config interp-st))
(interp-st (update-interp-st-prof-enabledp config.prof-enabledp interp-st))
(constraint-db (table-alist 'fgl::fgl-bool-constraints (w state)))
(interp-st (if (and (constraint-db-p constraint-db)
(not (constraint-db-bfrlist constraint-db)))
(update-interp-st->constraint-db
(gbc-db-make-fast constraint-db) interp-st)
interp-st))
(flags (interp-st->flags interp-st))
(interp-st (update-interp-st->flags
(!interp-flags->make-ites
config.make-ites
(!interp-flags->trace-rewrites config.trace-rewrites flags))
interp-st)))
(stobj-let ((logicman (interp-st->logicman interp-st)))
(logicman)
(update-logicman->mode (bfrmode :aignet) logicman)
(mv interp-st state)))
///
(local (defthm interp-st->stack-of-create-interp-st
(equal (interp-st->stack (create-interp-st))
(create-stack))
:hints(("Goal" :in-theory (enable* interp-st-defs)))))
(local (defthm interp-st->constraint-of-create-interp-st
(equal (interp-st->constraint (create-interp-st))
(create-pathcond))
:hints(("Goal" :in-theory (enable* interp-st-defs)))))
(local (defthm interp-st->pathcond-of-create-interp-st
(equal (interp-st->pathcond (create-interp-st))
(create-pathcond))
:hints(("Goal" :in-theory (enable* interp-st-defs)))))
(local (defthm interp-st->bvar-db-of-create-interp-st
(equal (interp-st->bvar-db (create-interp-st))
(create-bvar-db))
:hints(("Goal" :in-theory (enable* interp-st-defs)))))
(local (defthm interp-st->constraint-db-of-create-interp-st
(equal (interp-st->constraint-db (create-interp-st))
nil)
:hints(("Goal" :in-theory (enable* interp-st-defs)))))
(local (defthm interp-st->equiv-contexts-of-create-interp-st
(equal (interp-st->equiv-contexts (create-interp-st))
nil)
:hints(("Goal" :in-theory (enable* interp-st-defs)))))
(local (defthm interp-st->cgraph-of-create-interp-st
(equal (interp-st->cgraph (create-interp-st))
nil)
:hints(("Goal" :in-theory (enable* interp-st-defs)))))
(local (in-theory (e/d (interp-st-init)
(create-interp-st))))
;; (defthm initialize-interp-st-norm
;; (implies (syntaxp (not (equal interp-st ''nil)))
;; (equal (initialize-interp-st config interp-st state)
;; (initialize-interp-st config nil state))))
;; (local
;; (acl2::set-default-hints
;; '('(:in-theory (e/d (interp-st-bfrs-ok
;; major-stack-bfrlist
;; stack$a-set-bindings
;; major-frame-bfrlist
;; bfr-nvars)))
;; (and stable-under-simplificationp
;; '(:in-theory (e/d (;; interp-st->logicman
;; ;; interp-st->stack
;; ;; interp-st->constraint-db
;; ;; interp-st->constraint-db^
;; ;; interp-st->bvar-db
;; ;; interp-st->pathcond
;; ;; interp-st->constraint
;; logicman-invar
;; ;; logicman->bfrstate
;; ;; logicman->aignet
;; ;; logicman->mode
;; ;; logicman->mode^
;; bvar-db-bfrlist
;; bvar-db-bfrlist-aux
;; logicman-pathcond-p
;; logicman-pathcond-eval
;; aignet::aignet-pathcond-eval
;; aignet::aignet-pathcond-p
;; aignet::nbalist-lookup
;; interp-st-bvar-db-ok
;; ipasir::ipasir-init$a)
;; (pathcond-fix-of-pathcond-fix-pathcond-normalize-const
;; LOGICMAN-PATHCOND-P-FN-OF-PATHCOND-FIX-PATHCOND-NORMALIZE-CONST
;; LOGICMAN-PATHCOND-EVAL-FN-OF-PATHCOND-FIX-PATHCOND-NORMALIZE-CONST
;; (pathcond-fix))))))))
(local (in-theory (disable pathcond-fix-of-pathcond-fix-pathcond-normalize-const
bfr-pathcond-p-fn-of-pathcond-fix-pathcond-normalize-const
LOGICMAN-PATHCOND-EVAL-FN-OF-PATHCOND-FIX-PATHCOND-NORMALIZE-CONST
(pathcond-fix)
(update-logicman->mode))))
(local (in-theory (enable interp-st-bfrs-ok
logicman-pathcond-p
logicman-invar
aignet::bounded-pathcond-p
ipasir::ipasir-init$a
bvar-db-bfrlist
bvar-db-bfrlist-aux
bfr-nvars
aignet::aignet-idp
aignet::nbalist-lookup)))
(defret interp-st-bfrs-ok-of-<fn>
(interp-st-bfrs-ok new-interp-st)
:hints (("goal" :do-not '(preprocess)
:in-theory (enable logicman-ipasir-sat-lits-invar
logicman-ipasirs-assumption-free
bfr-listp-when-not-member-witness))))
(defret pathcond-eval-of-<fn>
(logicman-pathcond-eval env (interp-st->pathcond new-interp-st)
(interp-st->logicman new-interp-st))
:hints (("goal" :do-not '(preprocess)
:in-theory (enable logicman-pathcond-eval
aignet::aignet-pathcond-eval))))
(defret constraint-eval-of-<fn>
(logicman-pathcond-eval env (interp-st->constraint new-interp-st)
(interp-st->logicman new-interp-st))
:hints (("goal" :do-not '(preprocess)
:in-theory (enable logicman-pathcond-eval
aignet::aignet-pathcond-eval))))
(defret equiv-contexts-of-<fn>
(equal (interp-st->equiv-contexts new-interp-st) nil)
:hints (("goal" :do-not '(preprocess)
:in-theory (enable logicman-pathcond-eval
aignet::aignet-pathcond-eval))))
(defret interp-st-bvar-db-ok-of-<fn>
(interp-st-bvar-db-ok new-interp-st env)
:hints(("Goal" :in-theory (enable interp-st-bvar-db-ok))))
(defret stack$a-minor-bindings-of-<fn>
(equal (stack$a-minor-bindings (interp-st->stack new-interp-st)) nil))
(verify-guards initialize-interp-st)
(defret w-of-<fn>
(equal (w new-state) (w state))
:hints(("Goal" :in-theory (enable w get-global)
:expand ((read-acl2-oracle state)
(:free (val) (update-acl2-oracle val state)))))))
(local (defthm member-bfrlist-of-lookup-in-bvar-db
(implies (and (not (consp (bvar-db-bfrlist bvar-db)))
(<= (base-bvar$a bvar-db) (nfix n))
(< (nfix n) (next-bvar$a bvar-db)))
(not (member v (fgl-object-bfrlist (get-bvar->term$a n bvar-db)))))))
(local (defthm atom-bfrlist-of-lookup-in-bvar-db
(implies (and (not (consp (bvar-db-bfrlist bvar-db)))
(<= (base-bvar$a bvar-db) (nfix n))
(< (nfix n) (next-bvar$a bvar-db)))
(not (consp (fgl-object-bfrlist (get-bvar->term$a n bvar-db)))))
:hints (("goal" :use ((:instance member-bfrlist-of-lookup-in-bvar-db
(v (car (fgl-object-bfrlist (get-bvar->term$a n bvar-db))))))
:in-theory (disable member-bfrlist-of-lookup-in-bvar-db
bfrlist-of-get-bvar->term)))))
(define bvar-db-to-bfr-env-aux ((n natp) (env fgl-env-p) bvar-db logicman)
:guard (and (<= n (next-bvar bvar-db))
(<= (base-bvar bvar-db) n)
(not (consp (bvar-db-bfrlist bvar-db))))
:measure (nfix (- (next-bvar bvar-db) (nfix n)))
(b* (((When (mbe :logic (zp (- (next-bvar bvar-db) (nfix n)))
:exec (eql (next-bvar bvar-db) n)))
env)
(obj (get-bvar->term n bvar-db))
(val (bool-fix (fgl-object-eval obj env logicman)))
(env (change-fgl-env env :bfr-vals (bfr-set-var n val (fgl-env->bfr-vals env)))))
(bvar-db-to-bfr-env-aux (+ 1 (lnfix n)) env bvar-db logicman))
///
(defthm fgl-env->obj-alist-of-bvar-db-to-bfr-env-aux
(equal (fgl-env->obj-alist (bvar-db-to-bfr-env-aux n env bvar-db logicman))
(fgl-env->obj-alist env)))
(defthm gobj-var-lookup-of-bfr-set-var
(equal (gobj-var-lookup v (fgl-env (fgl-env->obj-alist env)
bfr-vals))
(gobj-var-lookup v env))
:hints(("Goal" :in-theory (enable gobj-var-lookup))))
(defthm gobj-var-lookup-of-bvar-db-to-bfr-env-aux
(equal (gobj-var-lookup v (bvar-db-to-bfr-env-aux n env bvar-db logicman))
(gobj-var-lookup v env)))
(defthm bvar-db-to-bfr-env-aux-preserves-bfr-eval-when-bounded
(implies (and (bfr-boundedp x m logicman)
(<= (nfix m) (nfix n)))
(equal (bfr-eval x (fgl-env->bfr-vals (bvar-db-to-bfr-env-aux n env bvar-db logicman)) logicman)
(bfr-eval x (fgl-env->bfr-vals env) logicman))))
(defthm bvar-db-to-bfr-env-aux-preserves-bfrlist-eval-when-bounded
(implies (and (bfrlist-boundedp x m logicman)
(<= (nfix m) (nfix n)))
(equal (bfr-list-eval x (fgl-env->bfr-vals (bvar-db-to-bfr-env-aux n env bvar-db logicman)) logicman)
(bfr-list-eval x (fgl-env->bfr-vals env) logicman)))
:hints(("Goal" :in-theory (e/d (bfrlist-boundedp bfr-list-eval)
(bvar-db-to-bfr-env-aux)))))
(defthm bvar-db-to-bfr-env-aux-preserves-gobj-bfr-eval-when-bounded
(implies (and (bfr-boundedp x m logicman)
(<= (nfix m) (nfix n)))
(equal (gobj-bfr-eval x (bvar-db-to-bfr-env-aux n env bvar-db logicman) logicman)
(gobj-bfr-eval x env logicman)))
:hints(("Goal" :in-theory (e/d (gobj-bfr-eval)
(bvar-db-to-bfr-env-aux)))))
(defthm bvar-db-to-bfr-env-aux-preserves-gobj-bfrlist-eval-when-bounded
(implies (and (bfrlist-boundedp x m logicman)
(<= (nfix m) (nfix n)))
(equal (gobj-bfr-list-eval x (bvar-db-to-bfr-env-aux n env bvar-db logicman) logicman)
(gobj-bfr-list-eval x env logicman)))
:hints(("Goal" :in-theory (e/d (bfrlist-boundedp gobj-bfr-list-eval)
(bvar-db-to-bfr-env-aux)))))
(defthm gobj-bfr-eval-of-set-var-when-bounded
(implies (and (bfr-boundedp x m logicman)
(<= (nfix m) (nfix n)))
(equal (gobj-bfr-eval x (fgl-env (fgl-env->obj-alist env)
(bfr-set-var n v (fgl-env->bfr-vals env))) logicman)
(gobj-bfr-eval x env logicman)))
:hints(("Goal" :in-theory (e/d (gobj-bfr-eval)
(bvar-db-to-bfr-env-aux)))))
(defthm gobj-bfrlist-eval-of-set-var-when-bounded
(implies (and (bfrlist-boundedp x m logicman)
(<= (nfix m) (nfix n)))
(equal (gobj-bfr-list-eval x (fgl-env (fgl-env->obj-alist env)
(bfr-set-var n v (fgl-env->bfr-vals env))) logicman)
(gobj-bfr-list-eval x env logicman)))
:hints(("Goal" :in-theory (e/d (bfrlist-boundedp gobj-bfr-list-eval)
(bvar-db-to-bfr-env-aux)))))
(defret-mutual fgl-object-eval-of-bvar-db-to-bfr-env-aux-when-bounded
(defret fgl-object-eval-of-bvar-db-to-bfr-env-aux-when-bounded
(implies (and (bfrlist-boundedp (fgl-object-bfrlist x) m logicman)
(<= (nfix m) (nfix n)))
(equal (fgl-object-eval x (bvar-db-to-bfr-env-aux n env bvar-db logicman) logicman)
(fgl-object-eval x env logicman)))
:hints ('(:expand ((:free (env logicman) (fgl-object-eval x env logicman))
(fgl-object-bfrlist x)))
;; (and stable-under-simplificationp
;; '(:in-theory (enable if*
;; gobj-var-lookup
;; gobj-bfr-list-eval)))
)
:fn fgl-object-eval)
(defret fgl-objectlist-eval-of-bvar-db-to-bfr-env-aux-when-bounded
(implies (and (bfrlist-boundedp (fgl-objectlist-bfrlist x) m logicman)
(<= (nfix m) (nfix n)))
(equal (fgl-objectlist-eval x (bvar-db-to-bfr-env-aux n env bvar-db logicman) logicman)
(fgl-objectlist-eval x env logicman)))
:hints ('(:expand ((:free (env logicman) (fgl-objectlist-eval x env logicman))
(fgl-objectlist-bfrlist x)))
;; (and stable-under-simplificationp
;; '(:in-theory (enable if*
;; gobj-var-lookup
;; gobj-bfr-list-eval)))
)
:fn fgl-objectlist-eval)
(defret fgl-object-alist-eval-of-bvar-db-to-bfr-env-aux-when-bounded
(implies (and (bfrlist-boundedp (fgl-object-alist-bfrlist x) m logicman)
(<= (nfix m) (nfix n)))
(equal (fgl-object-alist-eval x (bvar-db-to-bfr-env-aux n env bvar-db logicman) logicman)
(fgl-object-alist-eval x env logicman)))
:hints ('(:expand ((:free (env logicman) (fgl-object-alist-eval x env logicman))
(fgl-object-alist-bfrlist x)))
;; (and stable-under-simplificationp
;; '(:in-theory (enable if*
;; gobj-var-lookup
;; gobj-bfr-list-eval)))
)
:fn fgl-object-alist-eval)
:mutual-recursion fgl-object-eval)
(defret-mutual fgl-object-eval-of-bfr-set-var-when-bounded
(defret fgl-object-eval-of-bfr-set-var-when-bounded
(implies (and (bfrlist-boundedp (fgl-object-bfrlist x) m logicman)
(<= (nfix m) (nfix n)))
(equal (fgl-object-eval x (fgl-env (fgl-env->obj-alist env)
(bfr-set-var n v (fgl-env->bfr-vals env)))
logicman)
(fgl-object-eval x env logicman)))
:hints ('(:expand ((:free (env logicman) (fgl-object-eval x env logicman))
(fgl-object-bfrlist x))))
:fn fgl-object-eval)
(defret fgl-objectlist-eval-of-bfr-set-var-when-bounded
(implies (and (bfrlist-boundedp (fgl-objectlist-bfrlist x) m logicman)
(<= (nfix m) (nfix n)))
(equal (fgl-objectlist-eval x (fgl-env (fgl-env->obj-alist env)
(bfr-set-var n v (fgl-env->bfr-vals env)))
logicman)
(fgl-objectlist-eval x env logicman)))
:hints ('(:expand ((:free (env logicman) (fgl-objectlist-eval x env logicman))
(fgl-objectlist-bfrlist x))))
:fn fgl-objectlist-eval)
(defret fgl-object-alist-eval-of-bfr-set-var-when-bounded
(implies (and (bfrlist-boundedp (fgl-object-alist-bfrlist x) m logicman)
(<= (nfix m) (nfix n)))
(equal (fgl-object-alist-eval x (fgl-env (fgl-env->obj-alist env)
(bfr-set-var n v (fgl-env->bfr-vals env)))
logicman)
(fgl-object-alist-eval x env logicman)))
:hints ('(:expand ((:free (env logicman) (fgl-object-alist-eval x env logicman))
(fgl-object-alist-bfrlist x))))
:fn fgl-object-alist-eval)
:mutual-recursion fgl-object-eval)
(defthm bfr-lookup-preserved-by-of-bvar-db-to-bfr-env-aux
(implies (< (nfix m) (nfix n))
(equal (bfr-lookup m (fgl-env->bfr-vals
(bvar-db-to-bfr-env-aux n env bvar-db logicman)))
(bfr-lookup m (fgl-env->bfr-vals env)))))
;; (defret fgl-object-eval-when-no-bvars-rw
;; (implies (and (syntaxp (not (and (equal bfr-env ''nil)
;; (equal logicman ''nil))))
;; (not (consp (fgl-object-bfrlist x))))
;; (equal (fgl-object-eval x (fgl-env obj-alist bfr-env) logicman)
;; (fgl-object-eval x (fgl-env obj-alist nil) nil)))
;; :hints (("Goal" :use ((:instance fgl-object-eval-when-no-bvars
;; (env (fgl-env obj-alist bfr-env))))
;; :in-theory (disable fgl-object-eval-when-no-bvars)))
;; :fn fgl-object-eval)
(local (in-theory (enable bfr-varname-p)))
(defthm bvar-db-to-bfr-env-aux-correct
(implies (and (bvar-db-boundedp bvar-db logicman)
(<= (base-bvar$a bvar-db) (nfix n))
(<= (nfix n) (nfix m))
(< (nfix m) (next-bvar$a bvar-db))
(equal (next-bvar$a bvar-db) (bfr-nvars logicman)))
(iff (bfr-lookup m
(fgl-env->bfr-vals (bvar-db-to-bfr-env-aux n env bvar-db logicman))
logicman)
(fgl-object-eval (get-bvar->term$a m bvar-db)
(bvar-db-to-bfr-env-aux n env bvar-db logicman)
logicman)))
:hints (("goal"
:in-theory (enable* acl2::arith-equiv-forwarding)
:induct (bvar-db-to-bfr-env-aux n env bvar-db logicman))
(and stable-under-simplificationp
'(:use ((:instance bvar-db-boundedp-necc
(var (nfix m))))))))
(defthm bfr-set-var-when-logicman-equiv
(implies (logicman-equiv logicman1 logicman2)
(equal (bfr-set-var n val env logicman1)
(bfr-set-var n val env logicman2)))
:hints(("Goal" :in-theory (enable bfr-set-var)))
:rule-classes :congruence)
(defthm bvar-db-to-bfr-env-aux-logicman-equiv
(implies (logicman-equiv logicman1 logicman2)
(equal (bvar-db-to-bfr-env-aux n env bvar-db logicman1)
(bvar-db-to-bfr-env-aux n env bvar-db logicman2)))
:rule-classes :congruence))
(define fix-env-for-bvar-db ((env fgl-env-p) bvar-db logicman)
:guard (not (consp (bvar-db-bfrlist bvar-db)))
(bvar-db-to-bfr-env-aux (base-bvar bvar-db) env bvar-db logicman)
///
(local (in-theory (enable bfr-varname-p)))
(defthm interp-st-bvar-db-ok-of-fix-env-for-bvar-db
(b* ((bvar-db (interp-st->bvar-db interp-st))
(logicman (interp-st->logicman interp-st)))
(implies (interp-st-bfrs-ok interp-st)
(interp-st-bvar-db-ok interp-st
(fix-env-for-bvar-db env bvar-db logicman))))
:hints(("Goal" :in-theory (enable interp-st-bvar-db-ok
interp-st-bfrs-ok))))
(defthm fgl-env->obj-alist-of-<fn>
(equal (fgl-env->obj-alist (fix-env-for-bvar-db env bvar-db logicman))
(fgl-env->obj-alist env)))
(defthm fix-env-for-bvar-db-when-logicman-equiv
(implies (logicman-equiv logicman1 logicman2)
(equal (fix-env-for-bvar-db env bvar-db logicman1)
(fix-env-for-bvar-db env bvar-db logicman2)))
:rule-classes :congruence))
(local (in-theory (enable bfr-listp-when-not-member-witness)))
(local
(defthm major-stack-bfrlist-of-stack$a-set-bindings
(implies (and (not (member v (major-stack-bfrlist stack)))
(not (member v (fgl-object-bindings-bfrlist bindings))))
(not (member v (major-stack-bfrlist (stack$a-set-bindings bindings stack)))))
:hints(("Goal" :in-theory (enable stack$a-set-bindings
major-stack-bfrlist
major-frame-bfrlist
minor-frame-bfrlist
minor-stack-bfrlist)
:do-not-induct t))))
(local
(defthm major-stack-bfrlist-of-stack$a-set-term
(equal (major-stack-bfrlist (stack$a-set-term obj stack))
(major-stack-bfrlist stack))
:hints(("Goal" :in-theory (enable stack$a-set-term
major-stack-bfrlist
major-frame-bfrlist
minor-frame-bfrlist)
:expand ((minor-stack-bfrlist (major-frame->minor-stack (car stack))))
:do-not-induct t))))
(local (defthm assoc-when-nonnil
(implies v
(equal (assoc v a)
(hons-assoc-equal v a)))))
;; (define fgl-primitive-formula-checks-wrap (state)
;; :enabled t
;; (fgl-primitive-formula-checks-stub state))
(define my-get-rewrite-rule-table (state)
(and (boundp-global 'fgl-rewrite-rule-table state)
(@ fgl-rewrite-rule-table)))
(define save-interp-st-info-into-state (interp-st state)
(b* ((user-scratch (interp-st->user-scratch interp-st))
(state (if user-scratch
(prog2$ (cw "~%The FGL interpreter's user scratch data is ~
stored in state global:~%~x0~%"
'(@ :fgl-user-scratch))
(f-put-global ':fgl-user-scratch user-scratch state))
state))
(errmsg (interp-st->errmsg interp-st))
(debug-obj (interp-st->debug-info interp-st))
(state
(if (or errmsg debug-obj)
(progn$ (cw "~%The FGL interpreter's error message (if any), ~
debug object, and debug stack are stored in the ~
following state globals:~%~x0~%~x1~%~x2~%"
'(@ :fgl-interp-error-message)
'(@ :fgl-interp-error-debug-obj)
'(@ :fgl-interp-error-debug-stack))
(pprogn
(f-put-global ':fgl-interp-error-message errmsg state)
(f-put-global ':fgl-interp-error-debug-obj debug-obj state)
(f-put-global ':fgl-interp-error-debug-stack (interp-st->debug-stack interp-st) state)))
state)))
state))
(local (defthm bfr-listp-of-stack$a-bindings-when-stack
(implies (bfr-listp (major-stack-bfrlist stack))
(bfr-listp (fgl-object-bindings-bfrlist (stack$a-bindings stack))))
:hints(("Goal" :in-theory (enable stack$a-bindings
major-frame-bfrlist)
:expand ((major-stack-bfrlist stack))))))
(define fgl-toplevel-sat-check-config-wrapper (override)
(or override (fgl-toplevel-sat-check-config)))
(local (defthm iff?-forall-extensions-of-nil
(equal (iff?-forall-extensions nil obj term eval-alist)
(iff-forall-extensions obj term eval-alist))
:hints(("Goal" :in-theory (enable iff?-forall-extensions)))))
(define fgl-clause-proc-core ((goal pseudo-termp)
(config fgl-config-p)
(interp-st)
state)
:returns (mv err
(new-interp-st)
(new-state))
(b* ((vars (term-vars goal))
((mv interp-st state) (initialize-interp-st config interp-st state))
(interp-st (update-interp-st->user-scratch (hons-acons :goal-term goal
(interp-st->user-scratch interp-st))
interp-st))
(interp-st (interp-st-set-bindings (variable-g-bindings vars) interp-st))
(interp-st (interp-st-set-term goal interp-st))
((acl2::hintcontext-bind ((init-interp-st interp-st)
(init-interp-state state))))
((mv ans-interp interp-st state)
(time$ (fgl-interp-test goal interp-st state)
:msg "FGL interpreter completed: ~st sec, ~sa bytes~%"))
((acl2::hintcontext-bind ((interp-interp-st interp-st)
(interp-state state))))
(- (and (interp-st-prof-enabledp interp-st)
(interp-st-prof-print-report interp-st)))
((acl2::hintcontext-bind ((early-interp-st interp-st)
(early-state state))))
((when (and (equal ans-interp t)
(not (interp-st->errmsg interp-st))))
;; Proved!
(acl2::hintcontext :interp-early
(mv nil interp-st state)))
((when (fgl-config->skip-toplevel-sat-check config))
(mv (msg "FGL interpreter result was not syntactically T and skipping toplevel SAT check.")
interp-st state))
(sat-config (fgl-toplevel-sat-check-config-wrapper
(fgl-config->sat-config config)))
((mv ans interp-st state)
(interp-st-sat-check
;; BOZO -- use a user-provided config
sat-config
(interp-st-bfr-not ans-interp) interp-st state))
((acl2::hintcontext-bind ((sat-interp-st interp-st)
(sat-state state))))
((when (and (eq ans :unsat)
(not (interp-st->errmsg interp-st))))
;; Proved!
(acl2::hintcontext :interp-test
(mv nil interp-st state)))
((when (interp-st->errmsg interp-st))
(mv (msg "Interpreter error: ~@0" (interp-st->errmsg interp-st)) interp-st state))
((unless (eq ans :sat))
(mv (msg "Final SAT check failed!") interp-st state))
((mv sat-ctrex-err interp-st)
(interp-st-sat-counterexample sat-config interp-st state))
((when sat-ctrex-err)
(mv (msg "Error retrieving SAT counterexample: ~@0~%" sat-ctrex-err) interp-st state))
((mv ctrex-errmsg ctrex-bindings ?var-vals interp-st)
(interp-st-counterex-bindings (interp-st-bindings interp-st) interp-st state))
(- (and ctrex-errmsg
(cw "Warnings/errors from deriving counterexample: ~@0~%" ctrex-errmsg)))
;; ((when ctrex-errmsg)
;; (mv (msg "Error extending counterexample: ~@0~%" ctrex-errmsg) interp-st state))
(- (cw "~%*** Counterexample assignment: ***~%~x0~%~%" ctrex-bindings))
(- (cw "Running counterexample on top-level goal:~%"))
((mv err ans) (magitastic-ev goal ctrex-bindings 1000 state t t))
(- (cond (err (cw "Error running goal on counterexample: ~@0~%" err))
(ans (cw "False counterexample -- returned: ~x0. See ~
warnings/errors from counterexample derivation ~
above.~%" ans))
(t (cw "Counterexample verified!~%"))))
(interp-st (interp-st-check-bvar-db-ctrex-consistency interp-st state))
(interp-st (update-interp-st->debug-info ctrex-bindings interp-st)))
(mv "Counterexample." interp-st state))
///
(set-ignore-ok t)
(local (in-theory (e/d (acl2::subsetp-append1
lookup-in-fgl-object-bindings-eval)
;; (FGL-OBJECT-EVAL-OF-ALIST-LOOKUP)
)))
(local
(cmr::defthm-term-vars-flag
(defthm fgl-ev-of-object-bindings-eval-of-variable-g-bindings
(implies (subsetp (term-vars x) (pseudo-var-list-fix vars))
(equal (fgl-ev x (fgl-object-bindings-eval (variable-g-bindings vars) env logicman))
(fgl-ev x (fgl-env->obj-alist env))))
:hints('(:expand ((term-vars x))
:in-theory (enable fgl-ev-when-pseudo-term-call
gobj-var-lookup
subsetp-equal)))
:flag cmr::term-vars)
(defthm fgl-ev-list-of-object-bindings-eval-of-variable-g-bindings
(implies (subsetp (termlist-vars x) (pseudo-var-list-fix vars))
(equal (fgl-ev-list x (fgl-object-bindings-eval (variable-g-bindings vars) env logicman))
(fgl-ev-list x (fgl-env->obj-alist env))))
:hints('(:expand ((termlist-vars x))))
:flag cmr::termlist-vars)))
(local
(cmr::defthm-term-vars-flag
(defthm fgl-ev-of-obj-alist-fix
(equal (fgl-ev x (obj-alist-fix a))
(fgl-ev x a))
:hints('(:expand ((term-vars x))
:in-theory (enable fgl-ev-when-pseudo-term-call)))
:flag cmr::term-vars)
(defthm fgl-ev-list-of-obj-alist-fix
(equal (fgl-ev-list x (obj-alist-fix a))
(fgl-ev-list x a))
:hints('(:expand ((termlist-vars x))))
:flag cmr::termlist-vars)))
;; (local (skip-proofs
;; (defthm fgl-primitive-formula-checks-wrap-true
;; (fgl-primitive-formula-checks-wrap state))))
(local (defthm fgl-object-bindings-eval-rewrite-with-fgl-object-bindings-ev
(implies (and (equal ev (double-rewrite (fgl-object-bindings-concretize x env)))
(syntaxp (and (not (equal ev x))
(case-match ev
(('fgl-object-bindings-concretize-fn xans & &)
(not (equal xans x)))
(& t))))
(equal eval (fgl-object-bindings-eval ev nil nil))
(syntaxp (case-match eval
(('fgl-object-bindings-eval-fn ('fgl-object-bindings-concretize-fn xans & &) & &)
(not (equal xans x)))
(('fgl-object-bindings-eval-fn xans & &)
(not (equal xans x)))
(& t))))
(equal (fgl-object-bindings-eval x env) eval))))
(local (defthm fgl-object-bindings-ev-of-stack$a-bindings
(equal (fgl-object-bindings-concretize (stack$a-bindings stack) env)
(double-rewrite (stack$a-bindings (fgl-major-stack-concretize stack env))))
:hints(("Goal" :in-theory (enable fgl-major-frame-concretize
stack$a-bindings)
:expand ((fgl-major-stack-concretize stack env))
:do-not-induct t))))
(local (defthm fgl-major-stack-concretize-identity
(equal (fgl-major-stack-concretize (fgl-major-stack-concretize x env) env2 logicman2)
(fgl-major-stack-concretize x env))
:hints(("Goal" :in-theory (enable fgl-major-stack-concretize)))))
(local (in-theory (disable fgl-interp-test-bvar-db-ok-implies-previous-ok)))
(defret fgl-clause-proc-core-correct
(implies (and (fgl-ev-meta-extract-global-facts)
(fgl-formula-checks-stub state)
(not err))
(fgl-ev goal a))
:hints ((acl2::function-termhint
fgl-clause-proc-core
(:interp-test
(b* ((NEW-LOGICMAN (INTERP-ST->LOGICMAN sat-INTERP-ST))
(LOGICMAN (INTERP-ST->LOGICMAN init-INTERP-ST))
(NEW-STACK (INTERP-ST->STACK sat-INTERP-ST))
(STACK (INTERP-ST->STACK init-INTERP-ST))
(new-bvar-db (interp-st->bvar-db sat-interp-st))
(env (fgl-env a nil))
(env (fix-env-for-bvar-db env new-bvar-db new-logicman))
(ans-eval (gobj-bfr-eval ans-interp env new-logicman))
(orig-alist (fgl-object-bindings-eval (stack$a-bindings stack) env logicman))
(MAJOR-ALIST
(FGL-OBJECT-BINDINGS-EVAL (STACK$A-BINDINGS NEW-STACK)
ENV NEW-LOGICMAN))
(MINOR-ALIST
(FGL-OBJECT-BINDINGS-EVAL (STACK$A-MINOR-BINDINGS STACK)
ENV LOGICMAN))
(?EVAL-ALIST (APPEND MINOR-ALIST MAJOR-ALIST)))
`(:use ((:instance interp-st-sat-check-unsat-implies
(params ,(acl2::hq sat-config))
(bfr ,(acl2::hq (interp-st-bfr-not ans-interp interp-interp-st)))
(interp-st ,(acl2::hq interp-interp-st))
(state ,(acl2::hq interp-state))
(env ,(acl2::hq env)))
(:instance fgl-interp-test-correct
(x ,(acl2::hq goal))
(interp-st ,(acl2::hq init-interp-st))
(env ,(acl2::hq env))
(st state)
(state ,(acl2::hq init-interp-state)))
(:instance iff-forall-extensions-necc
(obj ,(acl2::hq ans-eval))
(term ,(acl2::hq goal))
(eval-alist ,(acl2::hq eval-alist))
(ext ,(acl2::hq eval-alist)))
(:instance fgl-ev-of-extension-when-term-vars-bound
(b ,(acl2::hq eval-alist))
(a ,(acl2::hq orig-alist))
(x ,(acl2::hq goal))))
:in-theory (disable interp-st-sat-check-unsat-implies
fgl-interp-test-correct
iff-forall-extensions-necc
fgl-ev-of-extension-when-term-vars-bound))))
(:interp-early
(b* ((NEW-LOGICMAN (INTERP-ST->LOGICMAN early-INTERP-ST))
(LOGICMAN (INTERP-ST->LOGICMAN init-INTERP-ST))
(NEW-STACK (INTERP-ST->STACK early-INTERP-ST))
(STACK (INTERP-ST->STACK init-INTERP-ST))
(new-bvar-db (interp-st->bvar-db early-interp-st))
(env (fgl-env a nil))
(env (fix-env-for-bvar-db env new-bvar-db new-logicman))
(ans-eval (gobj-bfr-eval ans-interp env new-logicman))
(orig-alist (fgl-object-bindings-eval (stack$a-bindings stack) env logicman))
(MAJOR-ALIST
(FGL-OBJECT-BINDINGS-EVAL (STACK$A-BINDINGS NEW-STACK)
ENV NEW-LOGICMAN))
(MINOR-ALIST
(FGL-OBJECT-BINDINGS-EVAL (STACK$A-MINOR-BINDINGS STACK)
ENV LOGICMAN))
(?EVAL-ALIST (APPEND MINOR-ALIST MAJOR-ALIST)))
`(:use ((:instance fgl-interp-test-correct
(x ,(acl2::hq goal))
(interp-st ,(acl2::hq init-interp-st))
(env ,(acl2::hq env))
(st state)
(state ,(acl2::hq init-interp-state)))
(:instance iff-forall-extensions-necc
(obj ,(acl2::hq ans-eval))
(term ,(acl2::hq goal))
(eval-alist ,(acl2::hq eval-alist))
(ext ,(acl2::hq eval-alist)))
(:instance fgl-ev-of-extension-when-term-vars-bound
(b ,(acl2::hq eval-alist))
(a ,(acl2::hq orig-alist))
(x ,(acl2::hq goal))))
:in-theory (disable fgl-interp-test-correct
iff-forall-extensions-necc
fgl-ev-of-extension-when-term-vars-bound))))))))
(define fgl-interp-cp ((clause pseudo-term-listp)
hint
interp-st
state)
;; :prepwork ((local (in-theory (disable acl2::member-equal-append))))
:hooks nil
:guard-debug t
(b* (((unless (fgl-config-p hint))
(mv "Bad hint object -- must satisfy fgl-config-p" nil interp-st state))
((unless (fgl-formula-checks-stub state))
(mv "Failed formula checks! Some assumed definitions needed for primitives are not installed."
nil interp-st state))
(config hint)
(disj (disjoin clause))
((mv err interp-st state)
(fgl-clause-proc-core disj config interp-st state))
(state (save-interp-st-info-into-state interp-st state)))
(mv err nil interp-st state))
///
(local (in-theory (disable pseudo-term-listp
equal-of-booleans-rewrite
ACL2::CONSP-OF-NODE-LIST-FIX-X-NORMALIZE-CONST
not
(tau-system))))
(defthm fgl-interp-cp-correct
(implies (and (pseudo-term-listp clause)
(alistp a)
(fgl-ev-meta-extract-global-facts)
(fgl-ev (conjoin-clauses
(acl2::clauses-result (fgl-interp-cp clause hint interp-st state)))
a))
(fgl-ev (disjoin clause) a))
:rule-classes :clause-processor))