TSTP Solution File: SYO691-1.001 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : SYO691-1.001 : TPTP v8.1.0. Released v7.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n023.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Thu Jul 21 19:45:14 EDT 2022

% Result   : Unsatisfiable 0.46s 0.64s
% Output   : Refutation 0.46s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    7
% Syntax   : Number of clauses     :   17 (  13 unt;   0 nHn;   6 RR)
%            Number of literals    :   22 (   0 equ;   8 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    8 (   2 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   55 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(rule_1,axiom,
    top(f(f(f(X,a),Y),f(Z,a)),f(f(Z,f(f(Y,a),a)),X)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rule_1) ).

cnf(prove,negated_conjecture,
    ~ seq(succ(succ(succ(succ(succ(zero))))),X,X),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove) ).

cnf(rewrite_top,axiom,
    ( ~ top(X,Y)
    | step(X,Y) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rewrite_top) ).

cnf(rewrite_left,axiom,
    ( ~ step(X,Y)
    | step(f(X,Z),f(Y,Z)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rewrite_left) ).

cnf(rewrite_right,axiom,
    ( ~ step(X,Y)
    | step(f(Z,X),f(Z,Y)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rewrite_right) ).

cnf(rewrite_sequence_zero,axiom,
    seq(zero,X,X),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rewrite_sequence_zero) ).

cnf(rewrite_sequence_succ,axiom,
    ( ~ seq(X,Y,Z)
    | ~ step(Z,U)
    | seq(succ(X),Y,U) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rewrite_sequence_succ) ).

cnf(8,plain,
    step(f(f(f(X,a),Y),f(Z,a)),f(f(Z,f(f(Y,a),a)),X)),
    inference('HYPERRESOLVE',[status(thm)],[rewrite_top,rule_1]) ).

cnf(10,plain,
    step(f(X,f(f(f(Y,a),Z),f(U,a))),f(X,f(f(U,f(f(Z,a),a)),Y))),
    inference('HYPERRESOLVE',[status(thm)],[rewrite_right,8]) ).

cnf(11,plain,
    step(f(f(f(f(X,a),Y),f(Z,a)),U),f(f(f(Z,f(f(Y,a),a)),X),U)),
    inference('HYPERRESOLVE',[status(thm)],[rewrite_left,8]) ).

cnf(12,plain,
    ~ seq(succ(succ(succ(succ(zero)))),f(f(X,f(f(Y,a),a)),Z),f(f(f(Z,a),Y),f(X,a))),
    inference('UR-RESOLVE',[status(thm)],[rewrite_sequence_succ,8,prove]) ).

cnf(19,plain,
    seq(succ(zero),f(f(f(f(X,a),Y),f(Z,a)),U),f(f(f(Z,f(f(Y,a),a)),X),U)),
    inference('HYPERRESOLVE',[status(thm)],[rewrite_sequence_succ,11,rewrite_sequence_zero]) ).

cnf(21,plain,
    step(f(f(f(f(f(X,a),Y),f(Z,a)),U),V),f(f(f(f(Z,f(f(Y,a),a)),X),U),V)),
    inference('HYPERRESOLVE',[status(thm)],[rewrite_left,11]) ).

cnf(25,plain,
    ~ seq(succ(succ(succ(zero))),f(f(f(X,f(f(Y,a),a)),f(f(Z,a),a)),U),f(f(f(U,a),Z),f(f(f(a,a),Y),f(X,a)))),
    inference('UR-RESOLVE',[status(thm)],[rewrite_sequence_succ,12,10]) ).

cnf(59,plain,
    step(f(f(f(f(f(f(X,a),Y),f(Z,a)),U),V),W),f(f(f(f(f(Z,f(f(Y,a),a)),X),U),V),W)),
    inference('HYPERRESOLVE',[status(thm)],[rewrite_left,21]) ).

cnf(61,plain,
    seq(succ(succ(zero)),f(f(f(f(X,a),Y),f(f(f(Z,a),U),a)),V),f(f(f(f(f(Y,a),f(f(U,a),a)),Z),X),V)),
    inference('HYPERRESOLVE',[status(thm)],[rewrite_sequence_succ,21,19]) ).

cnf(309,plain,
    $false,
    inference('UR-RESOLVE',[status(thm)],[rewrite_sequence_succ,61,59,25]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.13  % Problem  : SYO691-1.001 : TPTP v8.1.0. Released v7.3.0.
% 0.11/0.13  % Command  : run-snark %s %d
% 0.13/0.34  % Computer : n023.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 600
% 0.13/0.35  % DateTime : Sat Jul  9 13:42:55 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.19/0.46  /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.19/0.47  * 
% 0.19/0.47  * 
% 0.19/0.48  #<PACKAGE "SNARK-USER">
% 0.19/0.48  * 
% 0.19/0.48  SNARK-TPTP-OPTIONS
% 0.19/0.48  * 
% 0.19/0.48  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.19/0.48   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.19/0.48   (USE-FACTORING :POS)
% 0.19/0.48   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.19/0.48   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.19/0.48   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.19/0.48   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.19/0.48   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.19/0.48   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.19/0.48   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.19/0.48   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.19/0.48   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.19/0.48   (DECLARE-TPTP-SYMBOLS2))
% 0.19/0.48  * 
% 0.19/0.48  "."
% 0.19/0.48  * 
% 0.19/0.48  ; Begin refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-07-09T13:42:56
% 0.19/0.48  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n023.cluster.edu at 2022-07-09T13:42:56
% 0.19/0.49  
% 0.46/0.64  ; Recognized possible left identity assertion (|seq| |zero| ?X ?X).
% 0.46/0.64  
% 0.46/0.64  #||
% 0.46/0.64  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.46/0.64  % SZS output start Refutation
% See solution above
% 0.46/0.64  ||#
% 0.46/0.64  
% 0.46/0.64  ; Summary of computation:
% 0.46/0.64  ;       558 formulas have been input or derived (from 45 formulas).
% 0.46/0.64  ;       309 (55%) were retained.  Of these,
% 0.46/0.64  ;          309 (100%) are still being kept.
% 0.46/0.64  ; 
% 0.46/0.64  ; Run time in seconds excluding printing time:
% 0.46/0.64  ;     0.001   1%   Read assertion file          (1 call)
% 0.46/0.64  ;     0.001   1%   Assert                       (7 calls)
% 0.46/0.64  ;     0.078  50%   Process new row              (461 calls)
% 0.46/0.64  ;     0.018  12%   Resolution                   (88 calls)
% 0.46/0.64  ;     0.009   6%   Paramodulation               (44 calls)
% 0.46/0.64  ;     0.000   0%   Condensing                   (4 calls)
% 0.46/0.64  ;     0.000   0%   Forward subsumption          (4 calls)
% 0.46/0.64  ;     0.000   0%   Backward subsumption         (4 calls)
% 0.46/0.64  ;     0.000   0%   Clause clause subsumption    (2 calls)
% 0.46/0.64  ;     0.016  10%   Forward simplification       (461 calls)
% 0.46/0.64  ;     0.010   6%   Backward simplification      (309 calls)
% 0.46/0.64  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.46/0.64  ;     0.000   0%   Purity testing               (1 call)
% 0.46/0.64  ;     0.023  15%   Other
% 0.46/0.64  ;     0.156        Total
% 0.46/0.64  ;     0.158        Real time
% 0.46/0.64  ; 
% 0.46/0.64  ; Term-hash-array has 1,448 terms in all.
% 0.46/0.64  ; Feature-vector-row-index has 4 entries (4 at peak, 4 added, 0 deleted).
% 0.46/0.64  ; Feature-vector-row-index has 10 nodes (10 at peak, 10 added, 0 deleted).
% 0.46/0.64  ;  Retrieved 1 possibly forward subsuming row in 4 calls.
% 0.46/0.64  ;  Retrieved 1 possibly backward subsumed row in 4 calls.
% 0.46/0.64  ; Path-index has 1,450 entries (1,450 at peak, 1,450 added, 0 deleted).
% 0.46/0.64  ; Path-index has 2,856 nodes (2,856 at peak, 2,856 added, 0 deleted).
% 0.46/0.64  ; Trie-index has 1,450 entries (1,450 at peak, 1,450 added, 0 deleted).
% 0.46/0.64  ; Trie-index has 13,012 nodes (13,012 at peak, 13,012 added, 0 deleted).
% 0.46/0.64  ; Retrieved 152 generalization terms in 456 calls.
% 0.46/0.64  ; Retrieved 304 instance terms in 304 calls.
% 0.46/0.64  ; Retrieved 4,246 unifiable terms in 1,015 calls.
% 0.46/0.64  ; 
% 0.46/0.64  ; The agenda of rows to process has 26 entries:
% 0.46/0.64  ;     1 with value 47              1 with value 63               4 with value 67
% 0.46/0.64  ;     1 with value 50              1 with value 64               4 with value 69
% 0.46/0.64  ;     4 with value 52              1 with value 65               8 with value 72
% 0.46/0.64  ;     1 with value 53
% 0.46/0.64  ; The agenda of rows to give has 264 entries:
% 0.46/0.64  ;     2 with value (4 45)          7 with value (4 54)          28 with value (4 63)
% 0.46/0.64  ;    11 with value (4 46)          5 with value (4 55)          20 with value (4 64)
% 0.46/0.64  ;     5 with value (4 47)         14 with value (4 56)           8 with value (4 65)
% 0.46/0.64  ;     1 with value (4 48)          5 with value (4 57)          20 with value (4 67)
% 0.46/0.64  ;    25 with value (4 49)         15 with value (4 58)          19 with value (4 68)
% 0.46/0.64  ;     8 with value (4 50)          4 with value (4 59)          12 with value (4 69)
% 0.46/0.64  ;     8 with value (4 51)         13 with value (4 60)           4 with value (4 72)
% 0.46/0.64  ;    10 with value (4 52)          3 with value (4 61)           4 with value (4 73)
% 0.46/0.64  ;     8 with value (4 53)          5 with value (4 62)
% 0.46/0.64  Evaluation took:
% 0.46/0.64    0.158 seconds of real time
% 0.46/0.64    0.15238 seconds of user run time
% 0.46/0.64    0.006113 seconds of system run time
% 0.46/0.64    0 calls to %EVAL
% 0.46/0.64    0 page faults and
% 0.46/0.64    11,220,984 bytes consed.
% 0.46/0.64  :PROOF-FOUND
% 0.46/0.64  ; End refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-07-09T13:42:56
% 0.46/0.64  :PROOF-FOUND
% 0.46/0.64  * 
%------------------------------------------------------------------------------