TSTP Solution File: GRP285-1 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : GRP285-1 : TPTP v8.1.0. Released v2.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n028.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 : Sat Jul 16 11:37:46 EDT 2022

% Result   : Unsatisfiable 0.77s 0.95s
% Output   : Refutation 0.77s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   16
%            Number of leaves      :   11
% Syntax   : Number of clauses     :   38 (  14 unt;  19 nHn;  27 RR)
%            Number of literals    :   81 (  80 equ;  29 neg)
%            Maximal clause size   :   11 (   2 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   8 con; 0-2 aty)
%            Number of variables   :   31 (   2 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(left_identity,axiom,
    multiply(identity,X) = X,
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-0.ax',left_identity) ).

cnf(left_inverse,axiom,
    multiply(inverse(X),X) = identity,
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-0.ax',left_inverse) ).

cnf(associativity,axiom,
    multiply(multiply(X,Y),Z) = multiply(X,multiply(Y,Z)),
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-0.ax',associativity) ).

cnf(prove_this_5,negated_conjecture,
    ( multiply(sk_c9,sk_c8) = sk_c7
    | multiply(sk_c9,sk_c6) = sk_c7 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_5) ).

cnf(prove_this_6,negated_conjecture,
    ( multiply(sk_c9,sk_c8) = sk_c7
    | multiply(sk_c5,sk_c9) = sk_c6 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_6) ).

cnf(prove_this_7,negated_conjecture,
    ( multiply(sk_c9,sk_c8) = sk_c7
    | inverse(sk_c5) = sk_c9 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_7) ).

cnf(prove_this_10,negated_conjecture,
    ( multiply(sk_c1,sk_c9) = sk_c8
    | multiply(sk_c4,sk_c7) = sk_c8 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_10) ).

cnf(prove_this_11,negated_conjecture,
    ( multiply(sk_c1,sk_c9) = sk_c8
    | inverse(sk_c4) = sk_c7 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_11) ).

cnf(prove_this_17,negated_conjecture,
    ( inverse(sk_c1) = sk_c9
    | multiply(sk_c4,sk_c7) = sk_c8 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_17) ).

cnf(prove_this_18,negated_conjecture,
    ( inverse(sk_c1) = sk_c9
    | inverse(sk_c4) = sk_c7 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_18) ).

cnf(prove_this_29,negated_conjecture,
    ( multiply(sk_c9,sk_c8) != sk_c7
    | multiply(X,sk_c9) != sk_c8
    | inverse(X) != sk_c9
    | multiply(Y,sk_c9) != sk_c7
    | multiply(Z,sk_c9) != sk_c8
    | inverse(Z) != sk_c9
    | multiply(U,sk_c7) != sk_c8
    | inverse(U) != sk_c7
    | multiply(sk_c9,V) != sk_c7
    | multiply(W,sk_c9) != V
    | inverse(W) != sk_c9 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this_29) ).

cnf(33,plain,
    ( multiply(sk_c9,sk_c8) != sk_c7
    | multiply(X,sk_c9) != sk_c7
    | multiply(Y,sk_c9) != sk_c8
    | inverse(Y) != sk_c9
    | multiply(Z,sk_c7) != sk_c8
    | inverse(Z) != sk_c7 ),
    inference('CONDENSE',[status(thm)],[prove_this_29]) ).

cnf(38,plain,
    X = multiply(inverse(Y),multiply(Y,X)),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[associativity,left_inverse,theory(equality)]),left_identity,theory(equality)]) ).

cnf(39,plain,
    multiply(multiply(X,inverse(Y)),Y) = multiply(X,identity),
    inference('PARAMODULATE',[status(thm)],[associativity,left_inverse,theory(equality)]) ).

cnf(147,plain,
    X = multiply(inverse(inverse(X)),identity),
    inference('PARAMODULATE',[status(thm)],[38,left_inverse,theory(equality)]) ).

cnf(148,plain,
    multiply(X,Y) = multiply(inverse(inverse(X)),Y),
    inference('PARAMODULATE',[status(thm)],[38,38,theory(equality)]) ).

cnf(149,plain,
    X = multiply(X,identity),
    inference('REWRITE',[status(thm)],[147,148,theory(equality)]) ).

cnf(150,plain,
    multiply(multiply(X,inverse(Y)),Y) = X,
    inference('REWRITE',[status(thm)],[39,149,theory(equality)]) ).

cnf(152,plain,
    ( inverse(sk_c1) = sk_c9
    | sk_c7 = multiply(inverse(sk_c4),sk_c8) ),
    inference('PARAMODULATE',[status(thm)],[38,prove_this_17,theory(equality)]) ).

cnf(184,plain,
    X = inverse(inverse(X)),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[150,left_inverse,theory(equality)]),left_identity,theory(equality)]) ).

cnf(191,plain,
    ( multiply(sk_c9,sk_c8) != sk_c7
    | multiply(X,sk_c9) != sk_c8
    | inverse(X) != sk_c9
    | multiply(Y,sk_c7) != sk_c8
    | inverse(Y) != sk_c7 ),
    inference('CONDENSE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[33,150,theory(equality)])]) ).

cnf(192,plain,
    multiply(X,inverse(X)) = identity,
    inference('PARAMODULATE',[status(thm)],[left_inverse,184,theory(equality)]) ).

cnf(253,plain,
    ( inverse(sk_c1) = sk_c9
    | sk_c7 = multiply(sk_c7,sk_c8) ),
    inference('PARAMODULATE',[status(thm)],[152,prove_this_18,theory(equality)]) ).

cnf(258,plain,
    ( inverse(sk_c1) = sk_c9
    | identity = sk_c8 ),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[38,253,theory(equality)]),left_inverse,theory(equality)]) ).

cnf(262,plain,
    ( identity = sk_c8
    | multiply(sk_c1,sk_c9) = identity ),
    inference('PARAMODULATE',[status(thm)],[192,258,theory(equality)]) ).

cnf(269,plain,
    ( identity = sk_c8
    | inverse(sk_c4) = sk_c7 ),
    inference('PARAMODULATE',[status(thm)],[prove_this_11,262,theory(equality)]) ).

cnf(271,plain,
    ( identity = sk_c8
    | multiply(sk_c4,sk_c7) = sk_c8 ),
    inference('PARAMODULATE',[status(thm)],[prove_this_10,262,theory(equality)]) ).

cnf(280,plain,
    ( identity = sk_c8
    | multiply(sk_c4,sk_c7) = identity ),
    inference('PARAMODULATE',[status(thm)],[192,269,theory(equality)]) ).

cnf(573,plain,
    identity = sk_c8,
    inference('PARAMODULATE',[status(thm)],[271,280,theory(equality)]) ).

cnf(578,plain,
    ( sk_c9 = sk_c7
    | multiply(sk_c9,sk_c6) = sk_c7 ),
    inference('REWRITE',[status(thm)],[prove_this_5,149,573,theory(equality)]) ).

cnf(579,plain,
    ( sk_c9 = sk_c7
    | multiply(sk_c5,sk_c9) = sk_c6 ),
    inference('REWRITE',[status(thm)],[prove_this_6,149,573,theory(equality)]) ).

cnf(580,plain,
    ( sk_c9 = sk_c7
    | inverse(sk_c5) = sk_c9 ),
    inference('REWRITE',[status(thm)],[prove_this_7,149,573,theory(equality)]) ).

cnf(658,plain,
    ( sk_c9 != sk_c7
    | multiply(X,sk_c9) != identity
    | inverse(X) != sk_c9
    | multiply(Y,sk_c7) != identity
    | inverse(Y) != sk_c7 ),
    inference('REWRITE',[status(thm)],[191,149,573,theory(equality)]) ).

cnf(747,plain,
    ( sk_c9 = sk_c7
    | sk_c9 = multiply(inverse(sk_c5),sk_c6) ),
    inference('PARAMODULATE',[status(thm)],[38,579,theory(equality)]) ).

cnf(865,plain,
    ( sk_c9 = sk_c7
    | sk_c9 = multiply(sk_c9,sk_c6) ),
    inference('PARAMODULATE',[status(thm)],[747,580,theory(equality)]) ).

cnf(868,plain,
    sk_c9 = sk_c7,
    inference('PARAMODULATE',[status(thm)],[578,865,theory(equality)]) ).

cnf(1049,plain,
    ( multiply(X,sk_c7) != identity
    | inverse(X) != sk_c7 ),
    inference('CONDENSE',[status(thm)],[inference('REWRITE',[status(thm)],[658,868,theory(equality)])]) ).

cnf(1135,plain,
    $false,
    inference('HYPERRESOLVE',[status(thm)],[1049,left_inverse,184]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.11  % Problem  : GRP285-1 : TPTP v8.1.0. Released v2.5.0.
% 0.10/0.12  % Command  : run-snark %s %d
% 0.11/0.31  % Computer : n028.cluster.edu
% 0.11/0.31  % Model    : x86_64 x86_64
% 0.11/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.31  % Memory   : 8042.1875MB
% 0.11/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.31  % CPULimit : 300
% 0.11/0.31  % WCLimit  : 600
% 0.11/0.31  % DateTime : Mon Jun 13 06:20:07 EDT 2022
% 0.17/0.31  % CPUTime  : 
% 0.17/0.44  /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.17/0.45  * 
% 0.17/0.45  * 
% 0.17/0.45  #<PACKAGE "SNARK-USER">
% 0.17/0.45  * 
% 0.17/0.45  SNARK-TPTP-OPTIONS
% 0.17/0.45  * 
% 0.17/0.45  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.17/0.45   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.17/0.45   (USE-FACTORING :POS)
% 0.17/0.45   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.17/0.45   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.17/0.45   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.17/0.45   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.17/0.45   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.17/0.45   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.17/0.45   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.17/0.45   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.17/0.45   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.17/0.45   (DECLARE-TPTP-SYMBOLS2))
% 0.17/0.45  * 
% 0.17/0.45  "."
% 0.17/0.45  * 
% 0.17/0.45  ; Begin refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-06-13T06:20:07
% 0.17/0.45  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n028.cluster.edu at 2022-06-13T06:20:07
% 0.17/0.47  
% 0.17/0.47  ; Recognized left identity assertion (= (|multiply| |identity| ?X) ?X).
% 0.17/0.47  ; Recognized possible left inverse assertion (= (|multiply| (|inverse| ?X) ?X) |identity|).
% 0.77/0.95  ; Recognized associativity assertion (= (|multiply| (|multiply| ?X ?Y) ?Z) (|multiply| ?X (|multiply| ?Y ?Z))).
% 0.77/0.95  
% 0.77/0.95  #||
% 0.77/0.95  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.77/0.95  % SZS output start Refutation
% See solution above
% 0.77/0.95  ||#
% 0.77/0.95  
% 0.77/0.95  ; Summary of computation:
% 0.77/0.95  ;      3132 formulas have been input or derived (from 182 formulas).
% 0.77/0.95  ;      1135 (36%) were retained.  Of these,
% 0.77/0.95  ;          848 (75%) were simplified or subsumed later,
% 0.77/0.95  ;          287 (25%) are still being kept.
% 0.77/0.95  ; 
% 0.77/0.95  ; Run time in seconds excluding printing time:
% 0.77/0.95  ;     0.006   1%   Read assertion file          (1 call)
% 0.77/0.95  ;     0.002   0%   Assert                       (32 calls)
% 0.77/0.95  ;     0.087  18%   Process new row              (3,071 calls)
% 0.77/0.95  ;     0.021   4%   Resolution                   (362 calls)
% 0.77/0.95  ;     0.034   7%   Paramodulation               (181 calls)
% 0.77/0.95  ;     0.002   0%   Factoring                    (162 calls)
% 0.77/0.95  ;     0.016   3%   Condensing                   (1,996 calls)
% 0.77/0.95  ;     0.110  22%   Forward subsumption          (1,996 calls)
% 0.77/0.95  ;     0.037   8%   Backward subsumption         (1,089 calls)
% 0.77/0.95  ;     0.007   1%   Clause clause subsumption    (2,363 calls)
% 0.77/0.95  ;     0.076  15%   Forward simplification       (2,773 calls)
% 0.77/0.95  ;     0.026   5%   Backward simplification      (1,134 calls)
% 0.77/0.95  ;     0.027   5%   Ordering                     (10,516 calls)
% 0.77/0.95  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.77/0.95  ;     0.000   0%   Purity testing               (1 call)
% 0.77/0.95  ;     0.040   8%   Other
% 0.77/0.95  ;     0.491        Total
% 0.77/0.95  ;     0.494        Real time
% 0.77/0.95  ; 
% 0.77/0.95  ; Term-hash-array has 641 terms in all.
% 0.77/0.95  ; Feature-vector-row-index has 256 entries (458 at peak, 1,089 added, 833 deleted).
% 0.77/0.95  ; Feature-vector-row-index has 1,365 nodes (3,505 at peak, 7,643 added, 6,278 deleted).
% 0.77/0.95  ;  Retrieved 2,476 possibly forward subsuming rows in 1,996 calls.
% 0.77/0.95  ;  Retrieved 663 possibly backward subsumed rows in 1,089 calls.
% 0.77/0.95  ; Path-index has 320 entries (463 at peak, 836 added, 516 deleted).
% 0.77/0.95  ; Path-index has 311 nodes (369 at peak, 499 added, 188 deleted).
% 0.77/0.95  ; Trie-index has 320 entries (463 at peak, 836 added, 516 deleted).
% 0.77/0.95  ; Trie-index has 845 nodes (1,150 at peak, 1,950 added, 1,105 deleted).
% 0.77/0.95  ; Retrieved 3,211 generalization terms in 13,544 calls.
% 0.77/0.95  ; Retrieved 117 instance terms in 63 calls.
% 0.77/0.95  ; Retrieved 9,926 unifiable terms in 2,072 calls.
% 0.77/0.95  ; 
% 0.77/0.95  ; The agenda of rows to process has 56 entries:
% 0.77/0.95  ;     1 with value 11             14 with value 15               7 with value 19
% 0.77/0.95  ;     1 with value 12              9 with value 16              16 with value 20
% 0.77/0.95  ;     1 with value 13              1 with value 17               3 with value 21
% 0.77/0.95  ;     1 with value 14              1 with value 18               1 with value 22
% 0.77/0.95  ; The agenda of rows to give has 240 entries:
% 0.77/0.95  ;     6 with value (4 15)         49 with value (4 19)          22 with value (4 23)
% 0.77/0.95  ;    21 with value (4 16)         37 with value (4 20)          11 with value (4 24)
% 0.77/0.95  ;    27 with value (4 17)         23 with value (4 21)           4 with value (4 25)
% 0.77/0.95  ;    25 with value (4 18)         14 with value (4 22)           1 with value (4 26)
% 0.77/0.95  Evaluation took:
% 0.77/0.95    0.495 seconds of real time
% 0.77/0.95    0.454663 seconds of user run time
% 0.77/0.95    0.040208 seconds of system run time
% 0.77/0.95    [Run times include 0.017 seconds GC run time.]
% 0.77/0.95    0 calls to %EVAL
% 0.77/0.95    0 page faults and
% 0.77/0.95    35,315,048 bytes consed.
% 0.77/0.95  :PROOF-FOUND
% 0.77/0.95  ; End refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-06-13T06:20:08
% 0.77/0.95  :PROOF-FOUND
% 0.77/0.95  * 
%------------------------------------------------------------------------------