TSTP Solution File: LCL096-10 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : LCL096-10 : TPTP v8.1.0. Released v7.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n007.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 : Sun Jul 17 14:20:09 EDT 2022

% Result   : Unsatisfiable 19.76s 19.97s
% Output   : Refutation 19.76s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   33 (  33 unt;   0 nHn;   2 RR)
%            Number of literals    :   33 (  32 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    8 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-4 aty)
%            Number of variables   :  121 (   1 sgn)

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

cnf(condensed_detachment,axiom,
    ifeq(is_a_theorem(equivalent(X,Y)),true,ifeq(is_a_theorem(X),true,is_a_theorem(Y),true),true) = true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',condensed_detachment) ).

cnf(lg_2,axiom,
    is_a_theorem(equivalent(equivalent(equivalent(equivalent(equivalent(X,Y),equivalent(X,Z)),equivalent(Y,Z)),U),U)) = true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lg_2) ).

cnf(lg_3,axiom,
    is_a_theorem(equivalent(equivalent(equivalent(equivalent(equivalent(equivalent(X,Y),equivalent(X,Z)),U),equivalent(equivalent(Y,Z),U)),V),V)) = true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lg_3) ).

cnf(lg_4,axiom,
    is_a_theorem(equivalent(equivalent(equivalent(equivalent(X,Y),Z),U),equivalent(equivalent(equivalent(X,V),Z),equivalent(equivalent(Y,V),U)))) = true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lg_4) ).

cnf(prove_lg_1,negated_conjecture,
    is_a_theorem(equivalent(equivalent(equivalent(a,equivalent(equivalent(b,b),a)),c),c)) != true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_lg_1) ).

cnf(7,plain,
    ifeq(is_a_theorem(equivalent(equivalent(equivalent(equivalent(X,Y),equivalent(X,Z)),equivalent(Y,Z)),U)),true,is_a_theorem(U),true) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[condensed_detachment,lg_2,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(10,plain,
    ifeq(is_a_theorem(equivalent(equivalent(equivalent(X,Y),Z),U)),true,is_a_theorem(equivalent(equivalent(equivalent(X,V),Z),equivalent(equivalent(Y,V),U))),true) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[condensed_detachment,lg_4,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(13,plain,
    ifeq(is_a_theorem(equivalent(equivalent(equivalent(equivalent(equivalent(X,Y),equivalent(X,Z)),U),equivalent(equivalent(Y,Z),U)),V)),true,is_a_theorem(V),true) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[condensed_detachment,lg_3,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(16,plain,
    is_a_theorem(equivalent(equivalent(equivalent(X,Y),equivalent(X,Z)),equivalent(equivalent(U,Y),equivalent(U,Z)))) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[7,lg_4,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(20,plain,
    ifeq(is_a_theorem(equivalent(equivalent(X,Y),equivalent(X,Z))),true,is_a_theorem(equivalent(equivalent(U,Y),equivalent(U,Z))),true) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[condensed_detachment,16,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(24,plain,
    is_a_theorem(equivalent(equivalent(X,equivalent(Y,Z)),equivalent(X,equivalent(Y,Z)))) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[20,16,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(25,plain,
    is_a_theorem(equivalent(equivalent(X,Y),equivalent(X,equivalent(equivalent(Z,Z),Y)))) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[20,lg_4,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(28,plain,
    is_a_theorem(equivalent(equivalent(equivalent(X,Y),equivalent(X,Z)),equivalent(Y,Z))) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[7,24,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(35,plain,
    ifeq(is_a_theorem(equivalent(equivalent(equivalent(X,Y),equivalent(X,equivalent(equivalent(Z,Z),Y))),U)),true,is_a_theorem(U),true) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[condensed_detachment,25,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(38,plain,
    ifeq(is_a_theorem(equivalent(equivalent(X,Y),equivalent(X,Z))),true,is_a_theorem(equivalent(Y,Z)),true) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[condensed_detachment,28,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(143,plain,
    is_a_theorem(equivalent(equivalent(equivalent(X,Y),equivalent(X,Z)),equivalent(equivalent(U,Y),equivalent(equivalent(V,U),equivalent(V,Z))))) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[10,16,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(144,plain,
    is_a_theorem(equivalent(equivalent(equivalent(equivalent(equivalent(X,Y),equivalent(X,Z)),U),V),equivalent(equivalent(equivalent(Y,Z),U),V))) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[10,lg_2,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(150,plain,
    is_a_theorem(equivalent(equivalent(equivalent(equivalent(equivalent(equivalent(X,Y),equivalent(X,Z)),U),V),W),equivalent(equivalent(equivalent(equivalent(Y,Z),U),V),W))) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[10,lg_3,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(158,plain,
    is_a_theorem(equivalent(equivalent(X,Y),equivalent(equivalent(Z,X),equivalent(Z,Y)))) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[38,143,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(171,plain,
    is_a_theorem(equivalent(equivalent(X,equivalent(equivalent(Y,Z),equivalent(Y,U))),equivalent(X,equivalent(Z,U)))) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[7,158,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(198,plain,
    is_a_theorem(equivalent(equivalent(equivalent(X,Y),equivalent(equivalent(Z,X),U)),equivalent(equivalent(Z,Y),U))) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[7,144,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(213,plain,
    is_a_theorem(equivalent(equivalent(X,equivalent(equivalent(Y,Y),Z)),equivalent(X,Z))) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[20,198,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(231,plain,
    ifeq(is_a_theorem(equivalent(X,equivalent(equivalent(Y,Y),Z))),true,is_a_theorem(equivalent(X,Z)),true) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[condensed_detachment,213,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(261,plain,
    is_a_theorem(equivalent(equivalent(equivalent(X,Y),equivalent(equivalent(Y,X),Z)),Z)) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[231,198,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(271,plain,
    is_a_theorem(equivalent(equivalent(X,equivalent(equivalent(Y,Z),equivalent(equivalent(Z,Y),U))),equivalent(X,U))) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[20,261,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(932,plain,
    ifeq(is_a_theorem(equivalent(X,equivalent(equivalent(Y,Z),equivalent(equivalent(Z,Y),U)))),true,is_a_theorem(equivalent(X,U)),true) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[condensed_detachment,271,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(2099,plain,
    is_a_theorem(equivalent(equivalent(equivalent(equivalent(X,X),Y),Z),equivalent(Y,Z))) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[35,171,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(8885,plain,
    is_a_theorem(equivalent(equivalent(equivalent(equivalent(X,Y),equivalent(equivalent(Z,X),U)),V),equivalent(equivalent(equivalent(Z,Y),U),V))) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[13,150,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(8951,plain,
    ifeq(is_a_theorem(equivalent(equivalent(equivalent(X,Y),equivalent(equivalent(Z,X),U)),V)),true,is_a_theorem(equivalent(equivalent(equivalent(Z,Y),U),V)),true) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[condensed_detachment,8885,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(14344,plain,
    is_a_theorem(equivalent(equivalent(equivalent(equivalent(X,X),equivalent(Y,Z)),equivalent(equivalent(Z,Y),U)),U)) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[932,2099,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(20377,plain,
    is_a_theorem(equivalent(equivalent(equivalent(X,equivalent(equivalent(Y,Y),X)),Z),Z)) = true,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[8951,14344,theory(equality)]),ifeq_axiom,theory(equality)]) ).

cnf(20378,plain,
    $false,
    inference('REWRITE',[status(thm)],[prove_lg_1,20377,theory(equality)]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : LCL096-10 : TPTP v8.1.0. Released v7.3.0.
% 0.06/0.13  % Command  : run-snark %s %d
% 0.12/0.34  % Computer : n007.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Mon Jul  4 04:52:41 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.19/0.44  /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.19/0.45  * 
% 0.19/0.45  * 
% 0.19/0.46  #<PACKAGE "SNARK-USER">
% 0.19/0.46  * 
% 0.19/0.46  SNARK-TPTP-OPTIONS
% 0.19/0.46  * 
% 0.19/0.46  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.19/0.46   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.19/0.46   (USE-FACTORING :POS)
% 0.19/0.46   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.19/0.46   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.19/0.46   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.19/0.46   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.19/0.46   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.19/0.46   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.19/0.46   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.19/0.46   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.19/0.46   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.19/0.46   (DECLARE-TPTP-SYMBOLS2))
% 0.19/0.46  * 
% 0.19/0.46  "."
% 0.19/0.46  * 
% 0.19/0.46  ; Begin refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-07-04T04:52:41
% 0.19/0.46  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n007.cluster.edu at 2022-07-04T04:52:41
% 19.76/19.97  
% 19.76/19.97  
% 19.76/19.97  #||
% 19.76/19.97  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 19.76/19.97  % SZS output start Refutation
% See solution above
% 19.76/19.97  ||#
% 19.76/19.97  
% 19.76/19.97  ; Summary of computation:
% 19.76/19.97  ;     58622 formulas have been input or derived (from 438 formulas).
% 19.76/19.97  ;     20378 (35%) were retained.  Of these,
% 19.76/19.97  ;         2360 (12%) were simplified or subsumed later,
% 19.76/19.97  ;        18018 (88%) are still being kept.
% 19.76/19.97  ; 
% 19.76/19.97  ; Run time in seconds excluding printing time:
% 19.76/19.97  ;     0.001   0%   Read assertion file          (1 call)
% 19.76/19.97  ;     0.001   0%   Assert                       (6 calls)
% 19.76/19.97  ;     4.729  24%   Process new row              (47,231 calls)
% 19.76/19.97  ;     0.208   1%   Resolution                   (874 calls)
% 19.76/19.97  ;     5.847  30%   Paramodulation               (437 calls)
% 19.76/19.97  ;     4.337  22%   Forward simplification       (47,219 calls)
% 19.76/19.97  ;     4.033  21%   Backward simplification      (20,378 calls)
% 19.76/19.97  ;     0.133   1%   Ordering                     (140,088 calls)
% 19.76/19.97  ;     0.000   0%   Sortal reasoning             (32 calls)
% 19.76/19.97  ;     0.000   0%   Purity testing               (1 call)
% 19.76/19.97  ;     0.220   1%   Other
% 19.76/19.97  ;    19.509        Total
% 19.76/19.97  ;    19.513        Real time
% 19.76/19.98  ; 
% 19.76/19.98  ; Term-hash-array has 85,786 terms in all.
% 19.76/19.98  ; Feature-vector-row-index has 0 entries (0 at peak, 0 added, 0 deleted).
% 19.76/19.98  ; Feature-vector-row-index has 1 node (1 at peak, 1 added, 0 deleted).
% 19.76/19.98  ; Path-index has 81,048 entries (81,060 at peak, 85,794 added, 4,746 deleted).
% 19.76/19.98  ; Path-index has 6,217 nodes (6,259 at peak, 6,603 added, 386 deleted).
% 19.76/19.98  ; Trie-index has 81,048 entries (81,060 at peak, 85,794 added, 4,746 deleted).
% 19.76/19.98  ; Trie-index has 243,237 nodes (243,294 at peak, 278,538 added, 35,301 deleted).
% 19.76/19.98  ; Retrieved 1,625,754 generalization terms in 148,515 calls.
% 19.76/19.98  ; Retrieved 514,717 instance terms in 20,377 calls.
% 19.76/19.98  ; Retrieved 2,450,221 unifiable terms in 5,041 calls.
% 19.76/19.98  ; 
% 19.76/19.98  ; The agenda of rows to process has 561 entries:
% 19.76/19.98  ;     5 with value 37             54 with value 44              19 with value 51
% 19.76/19.98  ;    23 with value 38             62 with value 45               4 with value 52
% 19.76/19.98  ;    15 with value 39             68 with value 46               3 with value 53
% 19.76/19.98  ;    16 with value 40             63 with value 47              13 with value 54
% 19.76/19.98  ;    17 with value 41             31 with value 48              14 with value 55
% 19.76/19.98  ;    34 with value 42             40 with value 49               7 with value 56
% 19.76/19.98  ;    25 with value 43             47 with value 50               1 with value 57
% 19.76/19.98  ; The agenda of rows to give has 17589 entries:
% 19.76/19.98  ;     1 with value (4 32)        976 with value (4 45)        1046 with value (4 55)
% 19.76/19.98  ;    34 with value (4 36)       1515 with value (4 46)         518 with value (4 56)
% 19.76/19.98  ;   202 with value (4 37)       1378 with value (4 47)         681 with value (4 57)
% 19.76/19.98  ;   296 with value (4 38)        819 with value (4 48)         422 with value (4 58)
% 19.76/19.98  ;   420 with value (4 39)        769 with value (4 49)         352 with value (4 59)
% 19.76/19.98  ;   522 with value (4 40)        951 with value (4 50)          53 with value (4 60)
% 19.76/19.98  ;   702 with value (4 41)       1125 with value (4 51)           9 with value (4 61)
% 19.76/19.98  ;   829 with value (4 42)        899 with value (4 52)          13 with value (4 62)
% 19.76/19.98  ;   707 with value (4 43)        688 with value (4 53)           4 with value (4 63)
% 19.76/19.98  ;   828 with value (4 44)        830 with value (4 54)
% 19.76/19.98  Evaluation took:
% 19.76/19.98    19.516 seconds of real time
% 19.76/19.98    18.63312 seconds of user run time
% 19.76/19.98    0.883064 seconds of system run time
% 19.76/19.98    [Run times include 3.908 seconds GC run time.]
% 19.76/19.98    0 calls to %EVAL
% 19.76/19.98    0 page faults and
% 19.76/19.98    1,080,756,576 bytes consed.
% 19.76/19.98  :PROOF-FOUND
% 19.76/19.98  ; End refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-07-04T04:53:01
% 19.76/19.98  :PROOF-FOUND
% 19.76/19.98  * 
%------------------------------------------------------------------------------