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interp-st.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 "pathcond")
(include-book "bvar-db-equivs")
(include-book "constraint-db")
(include-book "config")
(include-book "contexts")
(include-book "stack")
(include-book "centaur/fty/bitstruct" :dir :system)
(include-book "prof")
(include-book "array-alist")
(include-book "cgraph")
(local (include-book "std/lists/resize-list" :dir :System))
(local (in-theory (disable nth update-nth resize-list
acl2::resize-list-when-atom)))
(local (in-theory (disable unsigned-byte-p)))
(local (std::add-default-post-define-hook :fix))
(fty::defbitstruct interp-flags
((intro-bvars booleanp :default t)
(intro-synvars booleanp :default t)
(simplify-logic booleanp :default t)
(trace-rewrites booleanp :default nil)
(make-ites booleanp :default nil)
(branch-on-ifs booleanp :default t)))
(local (defthm unsigned-byte-p-of-flags
(implies (interp-flags-p flags)
(unsigned-byte-p 60 flags))
:hints(("Goal" :in-theory (enable interp-flags-p unsigned-byte-p)))))
(acl2::defstobj-clone constraint-pathcond pathcond :prefix "CONSTRAINT-")
(acl2::defstobj-clone bitarr acl2::bitarr :pkg fgl-pkg)
(stobjs::defnicestobj env$
(alist :initially nil)
(bitarr :type bitarr)
(obj-alist :type (satisfies obj-alist-p) :fix obj-alist-fix))
(local (defthmd equal-of-len
(implies (syntaxp (quotep n))
(equal (equal (len x) n)
(cond ((not (natp n)) nil)
((equal n 0) (not (consp x)))
(t (and (Consp x)
(equal (len (cdr x)) (1- n)))))))))
(define env$-init (env$)
:enabled t
:guard-hints (("goal" :in-theory (enable* env$-defs
equal-of-len
update-nth)))
(mbe :logic (non-exec (create-env$))
:exec (b* ((env$ (update-env$->alist nil env$))
(env$ (update-env$->obj-alist nil env$)))
(stobj-let ((bitarr (env$->bitarr env$)))
(bitarr)
(resize-bits 0 bitarr)
env$))))
(make-event
`(stobjs::defnicestobj interp-st
(stack :type stack)
(logicman :type logicman)
(bvar-db :type bvar-db)
(pathcond :type pathcond)
(constraint :type pathcond)
(constraint-db :type (satisfies constraint-db-p) :fix constraint-db-fix :pred constraint-db-p)
(prof :type interp-profiler)
(backchain-limit :type integer :initially -1 :fix ifix)
;; (bvar-mode :type t)
(equiv-contexts :type (satisfies equiv-contextsp) :fix equiv-contexts-fix :pred equiv-contextsp)
(reclimit :type (integer 0 *) :initially 0 :fix lnfix :pred natp)
(config :type (satisfies fgl-config-p) :initially ,(make-fgl-config) :fix fgl-config-fix :pred fgl-config-p)
(flags :type (and (unsigned-byte 60)
(satisfies interp-flags-p))
:initially ,(make-interp-flags)
:fix interp-flags-fix :pred interp-flags-p)
;; backing arrays for fgarray primitives -- see fgarrays.lisp
(fgarrays :type (array fgarray (0)) :resizable t :pred fgarray-alistp)
(next-fgarray :type (integer 0 *) :initially 0 :fix lnfix :pred natp)
;; no logical significance
(cgraph :type (satisfies cgraph-p) :initially nil :fix cgraph-fix)
(cgraph-memo :type (satisfies cgraph-alist-p) :initially nil :fix cgraph-alist-fix)
(cgraph-index :type (integer 0 *) :initially 0 :fix lnfix :pred natp)
(ctrex-env :type env$)
(sat-ctrex :type bitarr)
(user-scratch :type (satisfies obj-alist-p) :initially nil :fix obj-alist-fix)
(trace-scratch :type t :initially nil)
(errmsg :type t :initially nil)
(debug-info :type t)
(debug-stack :type (satisfies major-stack-p) :initially ,(list (make-major-frame)) :fix major-stack-fix)))
(define interp-st-init (interp-st)
:guard-hints (("goal" :in-theory (e/d* (interp-st-defs
update-nth
equal-of-len)
(default-car default-cdr cons-equal
(:t update-nth) (:t true-listp)
(:t true-listp-update-nth)
len set::sets-are-true-lists-cheap
(:t pathcondp)
pathcondp-implies-update-aig-equal
pathcondp-implies-update-bdd-equal
pathcondp-implies-update-aignet-equal
acl2::consp-of-nth-when-atom-listp))))
(mbe :logic
(non-exec (b* ((logicman (interp-st->logicman interp-st))
(interp-st (create-interp-st)))
(update-interp-st->logicman (logicman-init) interp-st)))
:exec (stobj-let ((stack (interp-st->stack interp-st))
(logicman (interp-st->logicman interp-st))
(bvar-db (interp-st->bvar-db interp-st))
(pathcond (interp-st->pathcond interp-st))
(constraint-pathcond (interp-st->constraint interp-st))
(interp-profiler (interp-st->prof interp-st))
(env$ (interp-st->ctrex-env interp-st))
(bitarr (interp-st->sat-ctrex interp-st)))
(stack logicman bvar-db pathcond constraint-pathcond interp-profiler env$ bitarr)
(b* ((stack (stack-empty stack))
(logicman (logicman-init))
(bvar-db (init-bvar-db 0 bvar-db))
(pathcond (pathcond-init pathcond))
(constraint-pathcond (pathcond-init constraint-pathcond))
(interp-profiler (interp-profiler-init interp-profiler))
(env$ (env$-init env$))
(bitarr (resize-bits 0 bitarr)))
(mv stack logicman bvar-db pathcond constraint-pathcond interp-profiler env$ bitarr))
(b* ((interp-st (update-interp-st->constraint-db nil interp-st))
(interp-st (update-interp-st->backchain-limit -1 interp-st))
(interp-st (update-interp-st->equiv-contexts nil interp-st))
(interp-st (update-interp-st->reclimit 0 interp-st))
(interp-st (update-interp-st->config (make-fgl-config) interp-st))
(interp-st (update-interp-st->flags (make-interp-flags) interp-st))
(interp-st (resize-interp-st->fgarrays 0 interp-st))
(interp-st (update-interp-st->next-fgarray 0 interp-st))
(- (fast-alist-free (interp-st->cgraph interp-st))
(fast-alist-free (interp-st->cgraph-memo interp-st)))
(interp-st (update-interp-st->cgraph nil interp-st))
(interp-st (update-interp-st->cgraph-memo nil interp-st))
(interp-st (update-interp-st->cgraph-index 0 interp-st))
(interp-st (update-interp-st->user-scratch nil interp-st))
(interp-st (update-interp-st->trace-scratch nil interp-st))
(interp-st (update-interp-st->errmsg nil interp-st))
(interp-st (update-interp-st->debug-info nil interp-st)))
(update-interp-st->debug-stack (list (make-major-frame)) interp-st)))))
(define interp-st-put-user-scratch (key val interp-st)
:returns (new-interp-st)
(update-interp-st->user-scratch
(hons-acons key val (interp-st->user-scratch interp-st))
interp-st)
///
(defret interp-st-get-of-<fn>
(implies (not (equal (interp-st-field-fix k) :user-scratch))
(equal (interp-st-get k new-interp-st)
(interp-st-get k interp-st)))))
(defthm interp-st-implies-natp-flags
(natp (interp-st->flags interp-st))
:hints(("Goal" :in-theory (enable interp-st->flags)))
:rule-classes :type-prescription)
(in-theory (disable interp-stp))
(define interp-st-prof-push (name interp-st)
:returns (new-interp-st)
:enabled t :hooks nil
(stobj-let
((interp-profiler (interp-st->prof interp-st)))
(interp-profiler)
(prof-push name interp-profiler)
interp-st))
(define interp-st-prof-pop-increment (successp interp-st)
:returns (new-interp-st)
:enabled t :hooks nil
(stobj-let
((interp-profiler (interp-st->prof interp-st)))
(interp-profiler)
(prof-pop-increment successp interp-profiler)
interp-st))
;; (define interp-st-prof-simple-increment-def (name interp-st)
;; :returns (new-interp-st)
;; :enabled t :hooks nil
;; (stobj-let
;; ((interp-profiler (interp-st->prof interp-st)))
;; (interp-profiler)
;; (prof-simple-increment-def name interp-profiler)
;; interp-st))
(define interp-st-prof-simple-increment-exec (name interp-st)
:returns (new-interp-st)
:enabled t :hooks nil
(stobj-let
((interp-profiler (interp-st->prof interp-st)))
(interp-profiler)
(prof-simple-increment-exec name interp-profiler)
interp-st))
(define interp-st-prof-simple-increment-g (name interp-st)
:returns (new-interp-st)
:enabled t :hooks nil
(stobj-let
((interp-profiler (interp-st->prof interp-st)))
(interp-profiler)
(prof-simple-increment-g name interp-profiler)
interp-st))
(define interp-st-prof-unwind-stack (interp-st)
:returns (new-interp-st)
:enabled t :hooks nil
(stobj-let
((interp-profiler (interp-st->prof interp-st)))
(interp-profiler)
(prof-unwind-stack interp-profiler)
interp-st))
(define interp-st-prof-print-report (interp-st)
:enabled t :hooks nil
(stobj-let
((interp-profiler (interp-st->prof interp-st)))
(res)
(prof-print-report interp-profiler)
res))
(define interp-st-prof-report (interp-st)
:enabled t :hooks nil
(stobj-let
((interp-profiler (interp-st->prof interp-st)))
(interp-profiler)
(prof-report interp-profiler)
interp-st))
(define interp-st-prof-reset (interp-st)
:returns (new-interp-st)
:enabled t :hooks nil
(stobj-let
((interp-profiler (interp-st->prof interp-st)))
(interp-profiler)
(prof-reset interp-profiler)
interp-st))
(define interp-st-prof-enable (interp-st)
:returns (new-interp-st)
:enabled t :hooks nil
(stobj-let
((interp-profiler (interp-st->prof interp-st)))
(interp-profiler)
(update-prof-enabledp t interp-profiler)
interp-st))
(define interp-st-prof-disable (interp-st)
:returns (new-interp-st)
:enabled t :hooks nil
(stobj-let
((interp-profiler (interp-st->prof interp-st)))
(interp-profiler)
(update-prof-enabledp nil interp-profiler)
interp-st))
(define interp-st-prof-enabledp (interp-st)
:returns (new-interp-st)
:enabled t :hooks nil
(stobj-let
((interp-profiler (interp-st->prof interp-st)))
(enabledp)
(prof-enabledp interp-profiler)
enabledp))
(define update-interp-st-prof-enabledp ((val booleanp) interp-st)
:returns (new-interp-st)
:enabled t :hooks nil
(stobj-let
((interp-profiler (interp-st->prof interp-st)))
(interp-profiler)
(update-prof-enabledp val interp-profiler)
interp-st))
(define interp-st-bindings (interp-st)
:enabled t :hooks nil
:inline t
(stobj-let ((stack (interp-st->stack interp-st)))
(bindings)
(stack-bindings stack)
bindings))
(define interp-st-minor-bindings (interp-st)
:enabled t :hooks nil
:inline t
(stobj-let ((stack (interp-st->stack interp-st)))
(bindings)
(stack-minor-bindings stack)
bindings))
(define interp-st-stack-frames (interp-st)
:enabled t :hooks nil
:inline t
(stobj-let ((stack (interp-st->stack interp-st)))
(frames)
(stack-frames stack)
frames))
(define interp-st-stack-minor-frames (interp-st)
:enabled t :hooks nil
:inline t
(stobj-let ((stack (interp-st->stack interp-st)))
(frames)
(stack-minor-frames stack)
frames))
(define interp-st-scratch-len (interp-st)
:enabled t :hooks nil
(stobj-let ((stack (interp-st->stack interp-st)))
(len)
(stack-scratch-len stack)
len))
(define interp-st-full-scratch-len (interp-st)
:enabled t :hooks nil
(stobj-let ((stack (interp-st->stack interp-st)))
(len)
(stack-full-scratch-len stack)
len))
(define interp-st-pop-frame (interp-st)
:enabled t :hooks nil
:inline t
:guard (and (< 1 (interp-st-stack-frames interp-st))
(eql 1 (interp-st-stack-minor-frames interp-st))
(eql 0 (interp-st-scratch-len interp-st)))
(stobj-let ((stack (interp-st->stack interp-st)))
(stack)
(stack-pop-frame stack)
interp-st))
(define interp-st-pop-minor-frame (interp-st)
:enabled t :hooks nil
:inline t
:guard (and (< 1 (interp-st-stack-minor-frames interp-st))
(eql 0 (interp-st-scratch-len interp-st)))
(stobj-let ((stack (interp-st->stack interp-st)))
(stack)
(stack-pop-minor-frame stack)
interp-st))
(define interp-st-pop-scratch (interp-st)
:enabled t :hooks nil
:inline t
:guard (< 0 (interp-st-scratch-len interp-st))
(stobj-let ((stack (interp-st->stack interp-st)))
(stack)
(stack-pop-scratch stack)
interp-st))
(define interp-st-top-scratch (interp-st)
:enabled t :hooks nil
:inline t
:guard (< 0 (interp-st-scratch-len interp-st))
(stobj-let ((stack (interp-st->stack interp-st)))
(obj)
(stack-top-scratch stack)
obj))
(define interp-st-nth-scratch ((n natp) interp-st)
:enabled t :hooks nil
:inline t
:guard (< n (interp-st-full-scratch-len interp-st))
(stobj-let ((stack (interp-st->stack interp-st)))
(obj)
(stack-nth-scratch n stack)
obj))
(defsection interp-st-push/pop-scratch-kinds
(local (include-book "scratchobj"))
;; (local (include-book "tools/templates" :dir :system))
(make-event
`(progn
.
,(acl2::template-append
'((define interp-st-push-scratch-<kind> ((x <pred>)
interp-st)
:enabled t :hooks nil
:inline t
(stobj-let ((stack (interp-st->stack interp-st)))
(stack)
(stack-push-scratch-<kind> x stack)
interp-st))
(define interp-st-top-scratch-<kind> (interp-st)
:enabled t :hooks nil
:inline t
:guard (and (< 0 (interp-st-scratch-len interp-st))
(scratchobj-case (interp-st-top-scratch interp-st) :<kind>))
(stobj-let ((stack (interp-st->stack interp-st)))
(obj)
(stack-top-scratch-<kind> stack)
obj))
(define interp-st-nth-scratch-<kind> ((n natp) interp-st)
:enabled t :hooks nil
:inline t
:guard (and (< n (interp-st-full-scratch-len interp-st))
(scratchobj-case (interp-st-nth-scratch n interp-st) :<kind>))
(stobj-let ((stack (interp-st->stack interp-st)))
(obj)
(stack-nth-scratch-<kind> n stack)
obj))
(define interp-st-update-scratch-<kind> ((n natp) (obj <pred>) interp-st)
:enabled t :hooks nil
:inline t
:guard (< n (interp-st-scratch-len interp-st))
(stobj-let ((stack (interp-st->stack interp-st)))
(stack)
(stack-update-scratch-<kind> n obj stack)
interp-st))
(define interp-st-pop-scratch-<kind> (interp-st)
:enabled t :hooks nil
:inline t
:guard (and (< 0 (interp-st-scratch-len interp-st))
(scratchobj-case (interp-st-top-scratch interp-st) :<kind>))
(stobj-let ((stack (interp-st->stack interp-st)))
(obj stack)
(stack-pop-scratch-<kind> stack)
(mv obj interp-st))))
*scratchobj-tmplsubsts*))))
(define interp-st-add-binding ((var pseudo-var-p)
(val fgl-object-p)
interp-st)
:enabled t :hooks nil
:inline t
(stobj-let ((stack (interp-st->stack interp-st)))
(stack)
(stack-add-binding var val stack)
interp-st))
(define interp-st-set-bindings ((bindings fgl-object-bindings-p)
interp-st)
:enabled t :hooks nil
:inline t
(stobj-let ((stack (interp-st->stack interp-st)))
(stack)
(stack-set-bindings bindings stack)
interp-st))
(define interp-st-add-minor-bindings ((bindings fgl-object-bindings-p)
interp-st)
:enabled t :hooks nil
:inline t
(stobj-let ((stack (interp-st->stack interp-st)))
(stack)
(stack-add-minor-bindings bindings stack)
interp-st))
(define interp-st-set-minor-bindings ((bindings fgl-object-bindings-p)
interp-st)
:enabled t :hooks nil
:inline t
(stobj-let ((stack (interp-st->stack interp-st)))
(stack)
(stack-set-minor-bindings bindings stack)
interp-st))
(define interp-st-push-frame ((bindings fgl-object-bindings-p)
interp-st)
:enabled t :hooks nil
:inline t
(stobj-let ((stack (interp-st->stack interp-st)))
(stack)
(b* ((stack (stack-push-frame stack)))
(stack-set-bindings bindings stack))
interp-st))
(define interp-st-push-minor-frame (interp-st)
:enabled t :hooks nil
:inline t
(stobj-let ((stack (interp-st->stack interp-st)))
(stack)
(b* ((bindings (stack-minor-bindings stack))
(stack (stack-push-minor-frame stack)))
(stack-set-minor-bindings bindings stack))
interp-st))
(define interp-st-set-rule ((rule maybe-fgl-generic-rule-p) interp-st)
:enabled t :hooks nil
:inline t
(stobj-let ((stack (interp-st->stack interp-st)))
(stack)
(stack-set-rule rule stack)
interp-st))
(define interp-st-set-phase ((phase acl2::maybe-natp) interp-st)
:enabled t :hooks nil
:inline t
(stobj-let ((stack (interp-st->stack interp-st)))
(stack)
(stack-set-phase phase stack)
interp-st))
(define interp-st-set-term ((term pseudo-termp) interp-st)
:enabled t :hooks nil
:inline t
(stobj-let ((stack (interp-st->stack interp-st)))
(stack)
(stack-set-term term stack)
interp-st))
(define interp-st-set-term-index ((term-index acl2::maybe-natp) interp-st)
:enabled t :hooks nil
:inline t
(stobj-let ((stack (interp-st->stack interp-st)))
(stack)
(stack-set-term-index term-index stack)
interp-st))
(define interp-st-decrement-reclimit (interp-st)
:guard (posp (interp-st->reclimit interp-st))
(update-interp-st->reclimit (1- (interp-st->reclimit interp-st)) interp-st))
(define interp-st-increment-reclimit (interp-st)
(update-interp-st->reclimit (1+ (lnfix (interp-st->reclimit interp-st))) interp-st))
;; Interp-st-bind:
;;
;; This works differently from a regular LET* or something. Instead of
;; containing an expression whose value is returned, this splices some bindings
;; in between bindings that set some interp-st slots to new values and restore
;; them to their old values. E.g.:
;; (b* (...
;; ((interp-st-bind
;; (flags new-flag-expr flag-backup-var)
;; (equiv-contexts new-equiv-contexts-expr))
;; ((fgl-interp-recursive-call err successp-interp-st state)
;; (fgl-rewrite-relieve-hyps rule.hyps interp-st state)))
;; ...)
;; ...)
;; Note: The bindings are of the form
;; (slot-name new-value-expr &optional backup-varname)
;; If backup-varname is specified, it should be already bound to the current value of that slot.
;; Slot is accessed with interp-st->[slotname] and updated with update-interp-st->[slotname].
(define interp-st-bind-default-backup-name (slotname)
:mode :program
(intern-in-package-of-symbol
(concatenate 'string "CURRENT-INTERP-ST-" (symbol-name slotname))
'fgl::fgl-package-symbol))
(define interp-st-accessor (slotname)
:mode :program
(acl2::tmpl-sym-sublis `(("<FIELD>" . ,(symbol-name slotname)))
'interp-st-><field>
'fgl::fgl-package))
(define interp-st-updater (slotname)
:mode :program
(acl2::tmpl-sym-sublis `(("<FIELD>" . ,(symbol-name slotname)))
'update-interp-st-><field>
'fgl::fgl-package))
(define interp-st-bind-backup-vals (args interp-st-name)
:mode :program
(b* (((when (atom args)) nil)
(arg (car args))
((when (eql (len arg) 3))
(interp-st-bind-backup-vals (cdr args) interp-st-name))
((list slotname ?expr) arg)
(backup-name (interp-st-bind-default-backup-name slotname)))
(cons `(,backup-name (,(interp-st-accessor slotname) ,interp-st-name))
(interp-st-bind-backup-vals (cdr args) interp-st-name))))
(define interp-st-bind-new-vals (args interp-st-name)
:mode :program
(b* (((when (atom args)) nil)
(arg (car args))
((list slotname expr) arg))
(cons `(,interp-st-name (,(interp-st-updater slotname) ,expr ,interp-st-name))
(interp-st-bind-new-vals (cdr args) interp-st-name))))
(define interp-st-unbind-vals (args interp-st-name)
:mode :program
(b* (((when (atom args)) nil)
(arg (car args))
((list slotname ?expr backup-name) arg)
(backup-name (or backup-name (interp-st-bind-default-backup-name slotname))))
(cons `(,interp-st-name (,(interp-st-updater slotname) ,backup-name ,interp-st-name))
(interp-st-unbind-vals (cdr args) interp-st-name))))
(def-b*-binder interp-st-bind
:body
`(b* (,@(interp-st-bind-backup-vals args 'interp-st)
,@(interp-st-bind-new-vals args 'interp-st)
,@forms
,@(interp-st-unbind-vals args 'interp-st))
,rest-expr))
(define interp-st-bfr-p (x &optional (interp-st 'interp-st))
:enabled t :hooks nil
(stobj-let ((logicman (interp-st->logicman interp-st)))
(ok)
(lbfr-p x)
ok))
(define interp-st-bfr-fix (x &optional (interp-st 'interp-st))
:enabled t :hooks nil
:guard (interp-st-bfr-p x)
(mbe :logic (stobj-let ((logicman (interp-st->logicman interp-st)))
(new-x)
(lbfr-fix x)
new-x)
:exec x))
(define interp-st-bfr-listp (x &optional (interp-st 'interp-st))
:enabled t :hooks nil
(stobj-let ((logicman (interp-st->logicman interp-st)))
(ok)
(lbfr-listp x)
ok))
(define interp-st-fgl-bfr-object-fix ((x fgl-object-p) &optional (interp-st 'interp-st))
:guard (interp-st-bfr-listp (fgl-object-bfrlist x))
:enabled t
(mbe :logic (stobj-let ((logicman (interp-st->logicman interp-st)))
(new-x)
(lgl-bfr-object-fix x)
new-x)
:exec x))
(define interp-st-fgl-bfr-objectlist-fix ((x fgl-objectlist-p) &optional (interp-st 'interp-st))
:guard (interp-st-bfr-listp (fgl-objectlist-bfrlist x))
:enabled t
(mbe :logic (stobj-let ((logicman (interp-st->logicman interp-st)))
(new-x)
(lgl-bfr-objectlist-fix x)
new-x)
:exec x))
(define interp-st-bfr-mode (&optional (interp-st 'interp-st))
:enabled t :hooks nil
(stobj-let ((logicman (interp-st->logicman interp-st)))
(mode)
(logicman->mode logicman)
mode))
(define interp-st-bfr-state (&optional (interp-st 'interp-st))
:enabled t :hooks nil
(stobj-let ((logicman (interp-st->logicman interp-st)))
(bfrstate)
(logicman->bfrstate logicman)
bfrstate))
(define interp-st-bfr-not (x &optional (interp-st 'interp-st))
:enabled t :hooks nil
:inline t
:guard (interp-st-bfr-p x)
(stobj-let ((logicman (interp-st->logicman interp-st)))
(not)
(bfr-not x)
not))
(define interp-st-nvars-ok (interp-st)
(stobj-let ((bvar-db (interp-st->bvar-db interp-st))
(logicman (interp-st->logicman interp-st)))
(ok)
(equal (next-bvar bvar-db) (bfr-nvars))
ok))
(local
(defthm subsetp-of-bvar-db-bfrlist-when-get-term->bvar$a
(implies (get-term->bvar$a x bvar-db)
(subsetp (fgl-object-bfrlist x) (bvar-db-bfrlist bvar-db)))
:hints (("goal" :use ((:instance subsetp-bfrlist-of-bvar-db-bfrlist
(m (get-term->bvar$a x bvar-db))))
:in-theory (disable subsetp-bfrlist-of-bvar-db-bfrlist)))))
(define interp-st-add-term-bvar ((x fgl-object-p) interp-st state)
:returns (mv bfr new-interp-st)
:guard (interp-st-nvars-ok interp-st)
:prepwork ((local (in-theory (enable interp-st-nvars-ok))))
(stobj-let ((bvar-db (interp-st->bvar-db interp-st))
(logicman (interp-st->logicman interp-st)))
(bfr bvar-db logicman)
(b* ((nextvar (next-bvar bvar-db))
(bvar-db (add-term-bvar (fgl-object-fix x) bvar-db))
(bvar-db (maybe-add-equiv-term (fgl-object-fix x) nextvar bvar-db state))
(logicman (logicman-add-var logicman))
(bfr (bfr-var nextvar logicman)))
(mv bfr bvar-db logicman))
(mv bfr interp-st))
///
(defret interp-st-nvars-ok-of-interp-st-add-term-bvar
(implies (interp-st-nvars-ok interp-st)
(interp-st-nvars-ok new-interp-st)))
(defret bfr-p-of-interp-st-add-term-bvar
(implies (interp-st-nvars-ok interp-st)
(lbfr-p bfr (interp-st->logicman new-interp-st)))
:hints(("Goal" :in-theory (enable interp-st-bfr-p))))
(defret interp-st-get-of-<fn>
(implies (and (not (equal (interp-st-field-fix key) :logicman))
(not (equal (interp-st-field-fix key) :bvar-db)))
(equal (interp-st-get key new-interp-st)
(interp-st-get key interp-st))))
(defret logicman-extension-p-of-<fn>
(implies (equal old-logicman (interp-st->logicman interp-st))
(logicman-extension-p (interp-st->logicman new-interp-st) old-logicman)))
(defret nvars-ok-of-<fn>
(implies (equal (next-bvar$a (interp-st->bvar-db interp-st))
(bfr-nvars (interp-st->logicman interp-st)))
(equal (next-bvar$a (interp-st->bvar-db new-interp-st))
(bfr-nvars (interp-st->logicman new-interp-st)))))
(defret bvar-db-bfrlist-of-<fn>
(acl2::set-equiv (bvar-db-bfrlist (interp-st->bvar-db new-interp-st))
(append (fgl-object-bfrlist x)
(bvar-db-bfrlist (interp-st->bvar-db interp-st)))))
(defret logicman-get-of-<fn>
(implies (not (equal (logicman-field-fix key) :aignet))
(equal (logicman-get key (interp-st->logicman new-interp-st))
(logicman-get key (interp-st->logicman interp-st))))))
(define interp-st-add-term-bvar-unique ((x fgl-object-p) interp-st state)
:returns (mv bfr new-interp-st)
:guard (interp-st-nvars-ok interp-st)
:prepwork ((local (in-theory (enable interp-st-nvars-ok
bfr-varname-p))))
(stobj-let ((bvar-db (interp-st->bvar-db interp-st))
(logicman (interp-st->logicman interp-st)))
(bfr bvar-db logicman)
(b* ((var (get-term->bvar x bvar-db))
((when var)
(mv (bfr-var var logicman) bvar-db logicman))
(nextvar (next-bvar bvar-db))
(bvar-db (add-term-bvar (fgl-object-fix x) bvar-db))
(bvar-db (maybe-add-equiv-term (fgl-object-fix x) nextvar bvar-db state))
(logicman (logicman-add-var logicman))
(bfr (bfr-var nextvar logicman)))
(mv bfr bvar-db logicman))
(mv bfr interp-st))
///
(defret interp-st-nvars-ok-of-interp-st-add-term-bvar-unique
(implies (interp-st-nvars-ok interp-st)
(interp-st-nvars-ok new-interp-st)))
(defret bfr-p-of-interp-st-add-term-bvar-unique
(implies (interp-st-nvars-ok interp-st)
(lbfr-p bfr (interp-st->logicman new-interp-st)))
:hints(("Goal" :in-theory (enable interp-st-bfr-p))))
(defret interp-st-get-of-<fn>
(implies (and (not (equal (interp-st-field-fix key) :logicman))
(not (equal (interp-st-field-fix key) :bvar-db)))
(equal (interp-st-get key new-interp-st)
(interp-st-get key interp-st))))
(defret logicman-extension-p-of-<fn>
(implies (equal old-logicman (interp-st->logicman interp-st))
(logicman-extension-p (interp-st->logicman new-interp-st) old-logicman)))
(defret nvars-ok-of-<fn>
(implies (equal (next-bvar$a (interp-st->bvar-db interp-st))
(bfr-nvars (interp-st->logicman interp-st)))
(equal (next-bvar$a (interp-st->bvar-db new-interp-st))
(bfr-nvars (interp-st->logicman new-interp-st)))))
(defret bvar-db-bfrlist-of-<fn>
(acl2::set-equiv (bvar-db-bfrlist (interp-st->bvar-db new-interp-st))
(append (fgl-object-bfrlist x)
(bvar-db-bfrlist (interp-st->bvar-db interp-st)))))
(defret logicman-get-of-<fn>
(implies (not (equal (logicman-field-fix key) :aignet))
(equal (logicman-get key (interp-st->logicman new-interp-st))
(logicman-get key (interp-st->logicman interp-st))))))
(def-updater-independence-thm logicman->aignet-of-interp-st->logicman
(implies (equal (logicman-get :aignet (interp-st->logicman new))
(logicman-get :aignet (interp-st->logicman old)))
(equal (logicman->aignet (interp-st->logicman new))
(logicman->aignet (interp-st->logicman old))))
:hints(("Goal" :in-theory (e/d (logicman-get)
(logicman->aignet-of-update)))))
(def-updater-independence-thm logicman->strash-of-interp-st->logicman
(implies (equal (logicman-get :strash (interp-st->logicman new))
(logicman-get :strash (interp-st->logicman old)))
(equal (logicman->strash (interp-st->logicman new))
(logicman->strash (interp-st->logicman old))))
:hints(("Goal" :in-theory (e/d (logicman-get)
(logicman->strash-of-update)))))
(def-updater-independence-thm logicman->ipasir-of-interp-st->logicman
(implies (equal (logicman-get :ipasir (interp-st->logicman new))
(logicman-get :ipasir (interp-st->logicman old)))
(equal (logicman->ipasiri n (interp-st->logicman new))
(logicman->ipasiri n (interp-st->logicman old))))
:hints(("Goal" :in-theory (e/d (logicman-get logicman->ipasiri)
(logicman->ipasiri-of-update)))))
(def-updater-independence-thm logicman->sat-lits-of-interp-st->logicman
(implies (equal (logicman-get :sat-lits (interp-st->logicman new))
(logicman-get :sat-lits (interp-st->logicman old)))
(equal (logicman->sat-litsi n (interp-st->logicman new))
(logicman->sat-litsi n (interp-st->logicman old))))
:hints(("Goal" :in-theory (e/d (logicman-get logicman->sat-litsi)
(logicman->sat-litsi-of-update)))))
(def-updater-independence-thm logicman->mode-of-interp-st->logicman
(implies (equal (logicman-get :mode (interp-st->logicman new))
(logicman-get :mode (interp-st->logicman old)))
(equal (logicman->mode (interp-st->logicman new))
(logicman->mode (interp-st->logicman old))))
:hints(("Goal" :in-theory (e/d (logicman-get)
(logicman->mode-of-update)))))
(def-updater-independence-thm logicman->aignet-refcounts-of-interp-st->logicman
(implies (equal (logicman-get :aignet-refcounts (interp-st->logicman new))
(logicman-get :aignet-refcounts (interp-st->logicman old)))
(equal (logicman->aignet-refcounts (interp-st->logicman new))
(logicman->aignet-refcounts (interp-st->logicman old))))
:hints(("Goal" :in-theory (e/d (logicman-get)
(logicman->aignet-refcounts-of-update)))))
(def-updater-independence-thm logicman->refcounts-index-of-interp-st->logicman
(implies (equal (logicman-get :refcounts-index (interp-st->logicman new))
(logicman-get :refcounts-index (interp-st->logicman old)))
(equal (logicman->refcounts-index (interp-st->logicman new))
(logicman->refcounts-index (interp-st->logicman old))))
:hints(("Goal" :in-theory (e/d (logicman-get)
(logicman->refcounts-index-of-update)))))
(def-updater-independence-thm logicman-invar-of-interp-st-logicman-extension
(implies (and (equal new-logicman (interp-st->logicman new))
(equal old-logicman (interp-st->logicman old))
(logicman-extension-p new-logicman old-logicman)
(logicman-invar old-logicman)
(equal (logicman-get :ipasir new-logicman)
(logicman-get :ipasir old-logicman))
(equal (logicman-get :sat-lits new-logicman)
(logicman-get :sat-lits old-logicman))
(equal (logicman->refcounts-index new-logicman)
(logicman->refcounts-index old-logicman))
(equal (logicman->aignet-refcounts new-logicman)
(logicman->aignet-refcounts old-logicman)))
(logicman-invar (interp-st->logicman new))))
;; Trace this!
(define fgl-interp-error-message ((str stringp)
(arglist))
:returns (error-message (or (consp error-message)
(stringp error-message))
:rule-classes :type-prescription)
(if arglist
(cons (str-fix str) arglist)
(str-fix str)))
(defmacro fgl-msg (str &rest args)
`(fgl-interp-error-message ,str ,(make-fmt-bindings acl2::*base-10-chars* args)))
(define fgl-interp-store-debug-info (msg obj interp-st)
:returns new-interp-st
:guard (not (eq msg :unreachable))
(b* (((when (interp-st->errmsg interp-st))
interp-st)
((unless (mbt (not (eq msg :unreachable))))
interp-st)
(interp-st (update-interp-st->errmsg msg interp-st))
(stack-obj (stobj-let ((stack (interp-st->stack interp-st)))
(obj)
(stack-extract stack)
obj))
(interp-st (update-interp-st->debug-info obj interp-st))
(interp-st (update-interp-st->debug-stack stack-obj interp-st)))
interp-st)
///
(defret interp-st-get-of-<fn>
(implies (and (not (equal (interp-st-field-fix key) :errmsg))
(not (equal (interp-st-field-fix key) :debug-info))
(not (equal (interp-st-field-fix key) :debug-stack)))
(equal (interp-st-get key new-interp-st)
(interp-st-get key interp-st))))
(defret <fn>-preserves-error
(implies (interp-st->errmsg interp-st)
(equal (interp-st->errmsg new-interp-st)
(interp-st->errmsg interp-st))))
(defret interp-st->errmsg-of-<fn>
(implies (and msg
(not (equal msg :unreachable)))
(interp-st->errmsg new-interp-st)))
(defret interp-st->errmsg-equal-unreachable-of-<fn>
(implies (not (equal (interp-st->errmsg interp-st) :unreachable))
(not (equal (interp-st->errmsg new-interp-st) :unreachable)))))
(defmacro fgl-interp-error (&key msg debug-obj (nvals '1))
`(b* ((msg ,msg)
(debug-obj ,debug-obj)
(interp-st (fgl-interp-store-debug-info msg debug-obj interp-st)))
,(if (eql nvals 0)
'(mv interp-st state)
`(mv ,@(acl2::repeat nvals nil) interp-st state))))
(define interp-st-set-error (msg interp-st)
:returns new-interp-st
(if (interp-st->errmsg interp-st)
interp-st
(update-interp-st->errmsg msg interp-st))
///
(defret interp-st-get-of-<fn>
(implies (not (equal (interp-st-field-fix key) :errmsg))
(equal (interp-st-get key new-interp-st)
(interp-st-get key interp-st))))