TSTP Solution File: GRP539-1 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : GRP539-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n003.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 11:39:20 EDT 2022

% Result   : Unsatisfiable 0.38s 0.54s
% Output   : Refutation 0.38s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   34 (  34 unt;   0 nHn;   9 RR)
%            Number of literals    :   34 (  33 equ;   7 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :   51 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(single_axiom,axiom,
    divide(divide(X,Y),divide(divide(X,Z),Y)) = Z,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',single_axiom) ).

cnf(multiply,axiom,
    multiply(X,Y) = divide(X,divide(divide(Z,Z),Y)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',multiply) ).

cnf(inverse,axiom,
    inverse(X) = divide(divide(Y,Y),X),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',inverse) ).

cnf(identity,axiom,
    identity = divide(X,X),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',identity) ).

cnf(prove_these_axioms_3,negated_conjecture,
    multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_these_axioms_3) ).

cnf(6,plain,
    inverse(X) = divide(identity,X),
    inference('REWRITE',[status(thm)],[inverse,identity,theory(equality)]) ).

cnf(7,plain,
    multiply(X,Y) = divide(X,inverse(Y)),
    inference('REWRITE',[status(thm)],[multiply,inverse,theory(equality)]) ).

cnf(8,plain,
    divide(divide(a3,inverse(b3)),inverse(c3)) != divide(a3,inverse(divide(b3,inverse(c3)))),
    inference('REWRITE',[status(thm)],[prove_these_axioms_3,7,theory(equality)]) ).

cnf(9,plain,
    identity = inverse(identity),
    inference('PARAMODULATE',[status(thm)],[identity,6,theory(equality)]) ).

cnf(10,plain,
    divide(divide(X,Y),inverse(Y)) = X,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[single_axiom,identity,theory(equality)]),6,theory(equality)]) ).

cnf(11,plain,
    inverse(divide(divide(X,Y),X)) = Y,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[single_axiom,identity,theory(equality)]),6,theory(equality)]) ).

cnf(15,plain,
    divide(divide(divide(X,Y),Z),divide(U,Z)) = divide(divide(X,U),Y),
    inference('PARAMODULATE',[status(thm)],[single_axiom,single_axiom,theory(equality)]) ).

cnf(17,plain,
    inverse(inverse(X)) = X,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[10,identity,theory(equality)]),6,theory(equality)]) ).

cnf(18,plain,
    divide(divide(X,identity),identity) = X,
    inference('PARAMODULATE',[status(thm)],[10,9,theory(equality)]) ).

cnf(24,plain,
    divide(X,divide(divide(divide(X,identity),Y),identity)) = Y,
    inference('PARAMODULATE',[status(thm)],[single_axiom,18,theory(equality)]) ).

cnf(25,plain,
    inverse(divide(inverse(X),identity)) = X,
    inference('PARAMODULATE',[status(thm)],[11,6,theory(equality)]) ).

cnf(26,plain,
    inverse(X) = divide(divide(Y,X),Y),
    inference('PARAMODULATE',[status(thm)],[17,11,theory(equality)]) ).

cnf(27,plain,
    inverse(X) = divide(inverse(X),identity),
    inference('PARAMODULATE',[status(thm)],[17,25,theory(equality)]) ).

cnf(28,plain,
    X = divide(X,identity),
    inference('PARAMODULATE',[status(thm)],[27,17,theory(equality)]) ).

cnf(29,plain,
    divide(X,divide(X,Y)) = Y,
    inference('REWRITE',[status(thm)],[24,28,theory(equality)]) ).

cnf(31,plain,
    divide(divide(X,Y),divide(Z,Y)) = divide(X,Z),
    inference('PARAMODULATE',[status(thm)],[single_axiom,29,theory(equality)]) ).

cnf(32,plain,
    divide(divide(X,Y),Z) = divide(divide(X,Z),Y),
    inference('REWRITE',[status(thm)],[15,31,theory(equality)]) ).

cnf(34,plain,
    inverse(divide(X,Y)) = divide(Y,X),
    inference('PARAMODULATE',[status(thm)],[26,29,theory(equality)]) ).

cnf(35,plain,
    divide(divide(a3,inverse(b3)),inverse(c3)) != divide(a3,divide(inverse(c3),b3)),
    inference('REWRITE',[status(thm)],[8,34,theory(equality)]) ).

cnf(37,plain,
    divide(inverse(X),inverse(Y)) = divide(Y,X),
    inference('PARAMODULATE',[status(thm)],[10,26,theory(equality)]) ).

cnf(38,plain,
    divide(inverse(X),Y) = divide(inverse(Y),X),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[32,6,theory(equality)]),6,theory(equality)]) ).

cnf(39,plain,
    divide(divide(a3,inverse(b3)),inverse(c3)) != divide(a3,divide(inverse(b3),c3)),
    inference('REWRITE',[status(thm)],[35,38,theory(equality)]) ).

cnf(48,plain,
    divide(X,inverse(Y)) = divide(Y,inverse(X)),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[34,38,theory(equality)]),34,theory(equality)]) ).

cnf(49,plain,
    divide(divide(b3,inverse(a3)),inverse(c3)) != divide(a3,divide(inverse(b3),c3)),
    inference('REWRITE',[status(thm)],[39,48,theory(equality)]) ).

cnf(52,plain,
    divide(X,divide(Y,Z)) = divide(Z,divide(Y,X)),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[34,32,theory(equality)]),34,theory(equality)]) ).

cnf(54,plain,
    divide(divide(b3,inverse(a3)),inverse(c3)) != divide(c3,divide(inverse(a3),b3)),
    inference('REWRITE',[status(thm)],[49,38,52,theory(equality)]) ).

cnf(55,plain,
    divide(divide(c3,inverse(a3)),inverse(b3)) != divide(c3,divide(inverse(a3),b3)),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[54,32,theory(equality)]),32,48,theory(equality)]) ).

cnf(56,plain,
    divide(divide(X,Y),inverse(Z)) = divide(Z,divide(Y,X)),
    inference('PARAMODULATE',[status(thm)],[37,34,theory(equality)]) ).

cnf(57,plain,
    $false,
    inference('REWRITE',[status(thm)],[55,52,56,theory(equality)]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GRP539-1 : TPTP v8.1.0. Released v2.6.0.
% 0.03/0.13  % Command  : run-snark %s %d
% 0.14/0.35  % Computer : n003.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 600
% 0.14/0.35  % DateTime : Mon Jun 13 20:52:40 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 0.21/0.47  /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.21/0.48  * 
% 0.21/0.48  * 
% 0.21/0.49  #<PACKAGE "SNARK-USER">
% 0.21/0.49  * 
% 0.21/0.49  SNARK-TPTP-OPTIONS
% 0.21/0.49  * 
% 0.21/0.49  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.21/0.49   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.21/0.49   (USE-FACTORING :POS)
% 0.21/0.49   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.21/0.49   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.21/0.49   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.21/0.49   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.21/0.49   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.21/0.49   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.21/0.49   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.21/0.49   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.21/0.49   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.21/0.49   (DECLARE-TPTP-SYMBOLS2))
% 0.21/0.49  * 
% 0.21/0.49  "."
% 0.21/0.49  * 
% 0.21/0.49  ; Begin refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-06-13T20:52:40
% 0.21/0.49  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n003.cluster.edu at 2022-06-13T20:52:40
% 0.38/0.54  
% 0.38/0.54  
% 0.38/0.54  #||
% 0.38/0.54  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.38/0.54  % SZS output start Refutation
% See solution above
% 0.38/0.54  ||#
% 0.38/0.54  
% 0.38/0.54  ; Summary of computation:
% 0.38/0.54  ;       263 formulas have been input or derived (from 25 formulas).
% 0.38/0.54  ;        57 (22%) were retained.  Of these,
% 0.38/0.54  ;           32 (56%) were simplified or subsumed later,
% 0.38/0.54  ;           25 (44%) are still being kept.
% 0.38/0.54  ; 
% 0.38/0.54  ; Run time in seconds excluding printing time:
% 0.38/0.54  ;     0.002   4%   Read assertion file          (1 call)
% 0.38/0.54  ;     0.000   0%   Assert                       (5 calls)
% 0.38/0.54  ;     0.004   8%   Process new row              (253 calls)
% 0.38/0.54  ;     0.000   0%   Resolution                   (48 calls)
% 0.38/0.54  ;     0.008  15%   Paramodulation               (24 calls)
% 0.38/0.54  ;     0.008  15%   Forward simplification       (230 calls)
% 0.38/0.54  ;     0.005  10%   Backward simplification      (57 calls)
% 0.38/0.54  ;     0.003   6%   Ordering                     (592 calls)
% 0.38/0.54  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.38/0.54  ;     0.000   0%   Purity testing               (1 call)
% 0.38/0.54  ;     0.022  42%   Other
% 0.38/0.54  ;     0.052        Total
% 0.38/0.54  ;     0.056        Real time
% 0.38/0.54  ; 
% 0.38/0.54  ; Term-hash-array has 162 terms in all.
% 0.38/0.54  ; Feature-vector-row-index has 0 entries (0 at peak, 0 added, 0 deleted).
% 0.38/0.54  ; Feature-vector-row-index has 1 node (1 at peak, 1 added, 0 deleted).
% 0.38/0.54  ; Path-index has 71 entries (89 at peak, 206 added, 135 deleted).
% 0.38/0.54  ; Path-index has 181 nodes (232 at peak, 373 added, 192 deleted).
% 0.38/0.54  ; Trie-index has 71 entries (89 at peak, 206 added, 135 deleted).
% 0.38/0.54  ; Trie-index has 218 nodes (276 at peak, 636 added, 418 deleted).
% 0.38/0.54  ; Retrieved 858 generalization terms in 1,010 calls.
% 0.38/0.54  ; Retrieved 196 instance terms in 64 calls.
% 0.38/0.54  ; Retrieved 541 unifiable terms in 163 calls.
% 0.38/0.54  ; 
% 0.38/0.54  ; The agenda of backward simplifiable rows to process has 1 entry:
% 0.38/0.54  ;     1 with value 0
% 0.38/0.54  ; The agenda of rows to process has 3 entries:
% 0.38/0.54  ;     1 with value 20              2 with value 22
% 0.38/0.54  ; The agenda of rows to give has 12 entries:
% 0.38/0.54  ;     1 with value (4 17)          1 with value (4 19)           3 with value (4 21)
% 0.38/0.54  ;     2 with value (4 18)          5 with value (4 20)
% 0.38/0.54  Evaluation took:
% 0.38/0.54    0.057 seconds of real time
% 0.38/0.54    0.050735 seconds of user run time
% 0.38/0.54    0.006155 seconds of system run time
% 0.38/0.54    0 calls to %EVAL
% 0.38/0.54    0 page faults and
% 0.38/0.54    4,851,392 bytes consed.
% 0.38/0.54  :PROOF-FOUND
% 0.38/0.54  ; End refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-06-13T20:52:40
% 0.38/0.54  :PROOF-FOUND
% 0.38/0.54  * 
%------------------------------------------------------------------------------