TSTP Solution File: SYO691-1.000 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : SYO691-1.000 : TPTP v8.1.0. Released v7.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n012.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 19:45:13 EDT 2022

% Result   : Unsatisfiable 0.20s 0.51s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    7
% Syntax   : Number of clauses     :   13 (   9 unt;   0 nHn;   5 RR)
%            Number of literals    :   18 (   0 equ;   7 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    5 (   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   :   35 (   0 sgn)

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

cnf(prove,negated_conjecture,
    ~ seq(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(X,Y),f(Z,a)),f(f(Z,f(Y,a)),X)),
    inference('HYPERRESOLVE',[status(thm)],[rewrite_top,rule_1]) ).

cnf(10,plain,
    ~ seq(succ(succ(zero)),f(f(X,f(Y,a)),Z),f(f(Z,Y),f(X,a))),
    inference('UR-RESOLVE',[status(thm)],[rewrite_sequence_succ,8,prove]) ).

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

cnf(12,plain,
    step(f(f(f(X,Y),f(Z,a)),U),f(f(f(Z,f(Y,a)),X),U)),
    inference('HYPERRESOLVE',[status(thm)],[rewrite_left,8]) ).

cnf(16,plain,
    seq(succ(zero),f(X,f(f(Y,Z),f(U,a))),f(X,f(f(U,f(Z,a)),Y))),
    inference('HYPERRESOLVE',[status(thm)],[rewrite_sequence_succ,11,rewrite_sequence_zero]) ).

cnf(31,plain,
    $false,
    inference('UR-RESOLVE',[status(thm)],[rewrite_sequence_succ,16,12,10]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SYO691-1.000 : TPTP v8.1.0. Released v7.3.0.
% 0.07/0.13  % Command  : run-snark %s %d
% 0.14/0.34  % Computer : n012.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 600
% 0.14/0.34  % DateTime : Fri Jul  8 18:56:44 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 0.20/0.46  /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.20/0.47  * 
% 0.20/0.47  * 
% 0.20/0.48  #<PACKAGE "SNARK-USER">
% 0.20/0.48  * 
% 0.20/0.48  SNARK-TPTP-OPTIONS
% 0.20/0.48  * 
% 0.20/0.48  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.20/0.48   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.20/0.48   (USE-FACTORING :POS)
% 0.20/0.48   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.20/0.48   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.20/0.48   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.20/0.48   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.20/0.48   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.20/0.48   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.20/0.48   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.20/0.48   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.20/0.48   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.20/0.48   (DECLARE-TPTP-SYMBOLS2))
% 0.20/0.48  * 
% 0.20/0.48  "."
% 0.20/0.48  * 
% 0.20/0.48  ; Begin refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-07-08T18:56:44
% 0.20/0.48  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n012.cluster.edu at 2022-07-08T18:56:44
% 0.20/0.49  
% 0.20/0.51  ; Recognized possible left identity assertion (|seq| |zero| ?X ?X).
% 0.20/0.51  
% 0.20/0.51  #||
% 0.20/0.51  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.20/0.51  % SZS output start Refutation
% See solution above
% 0.20/0.51  ||#
% 0.20/0.51  
% 0.20/0.51  ; Summary of computation:
% 0.20/0.51  ;        52 formulas have been input or derived (from 17 formulas).
% 0.20/0.51  ;        31 (60%) were retained.  Of these,
% 0.20/0.51  ;           31 (100%) are still being kept.
% 0.20/0.51  ; 
% 0.20/0.51  ; Run time in seconds excluding printing time:
% 0.20/0.51  ;     0.002   6%   Read assertion file          (1 call)
% 0.20/0.51  ;     0.000   0%   Assert                       (7 calls)
% 0.20/0.51  ;     0.004  12%   Process new row              (39 calls)
% 0.20/0.51  ;     0.003   9%   Resolution                   (32 calls)
% 0.20/0.51  ;     0.000   0%   Paramodulation               (16 calls)
% 0.20/0.51  ;     0.000   0%   Condensing                   (4 calls)
% 0.20/0.51  ;     0.000   0%   Forward subsumption          (4 calls)
% 0.20/0.51  ;     0.000   0%   Backward subsumption         (4 calls)
% 0.20/0.51  ;     0.000   0%   Clause clause subsumption    (2 calls)
% 0.20/0.52  ;     0.002   6%   Forward simplification       (39 calls)
% 0.20/0.52  ;     0.001   3%   Backward simplification      (31 calls)
% 0.20/0.52  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.20/0.52  ;     0.000   0%   Purity testing               (1 call)
% 0.20/0.52  ;     0.021  64%   Other
% 0.20/0.52  ;     0.033        Total
% 0.20/0.52  ;     0.035        Real time
% 0.20/0.52  ; 
% 0.36/0.52  ; Term-hash-array has 116 terms in all.
% 0.36/0.52  ; Feature-vector-row-index has 4 entries (4 at peak, 4 added, 0 deleted).
% 0.36/0.52  ; Feature-vector-row-index has 10 nodes (10 at peak, 10 added, 0 deleted).
% 0.36/0.52  ;  Retrieved 1 possibly forward subsuming row in 4 calls.
% 0.36/0.52  ;  Retrieved 1 possibly backward subsumed row in 4 calls.
% 0.36/0.52  ; Path-index has 118 entries (118 at peak, 118 added, 0 deleted).
% 0.36/0.52  ; Path-index has 470 nodes (470 at peak, 470 added, 0 deleted).
% 0.36/0.52  ; Trie-index has 118 entries (118 at peak, 118 added, 0 deleted).
% 0.36/0.52  ; Trie-index has 606 nodes (606 at peak, 606 added, 0 deleted).
% 0.36/0.52  ; Retrieved 10 generalization terms in 34 calls.
% 0.36/0.52  ; Retrieved 26 instance terms in 26 calls.
% 0.36/0.52  ; Retrieved 261 unifiable terms in 185 calls.
% 0.36/0.52  ; 
% 0.36/0.52  ; The agenda of rows to process has 5 entries:
% 0.36/0.52  ;     1 with value 35              3 with value 36               1 with value 43
% 0.36/0.52  ; The agenda of rows to give has 14 entries:
% 0.36/0.52  ;     1 with value (4 29)          1 with value (4 33)           1 with value (4 37)
% 0.36/0.52  ;     4 with value (4 30)          1 with value (4 34)           1 with value (4 38)
% 0.36/0.52  ;     5 with value (4 32)
% 0.36/0.52  Evaluation took:
% 0.36/0.52    0.036 seconds of real time
% 0.36/0.52    0.031379 seconds of user run time
% 0.36/0.52    0.004141 seconds of system run time
% 0.36/0.52    0 calls to %EVAL
% 0.36/0.52    0 page faults and
% 0.36/0.52    2,697,872 bytes consed.
% 0.36/0.52  :PROOF-FOUND
% 0.36/0.52  ; End refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-07-08T18:56:44
% 0.36/0.52  :PROOF-FOUND
% 0.36/0.52  * 
%------------------------------------------------------------------------------