TSTP Solution File: SET618+3 by E-SAT---3.1

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%------------------------------------------------------------------------------
% File     : E-SAT---3.1
% Problem  : SET618+3 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_E %s %d THM

% Computer : n017.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 : 2400s
% WCLimit  : 300s
% DateTime : Tue Oct 10 19:23:09 EDT 2023

% Result   : Theorem 0.17s 0.44s
% Output   : CNFRefutation 0.17s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   16 (  16 unt;   0 def)
%            Number of atoms       :   16 (  15 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    5 (   5   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    3 (   2 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :   14 (   0 sgn;  10   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(prove_th93,conjecture,
    ! [X1] : symmetric_difference(X1,X1) = empty_set,
    file('/export/starexec/sandbox2/tmp/tmp.BUaAQMuyr7/E---3.1_27741.p',prove_th93) ).

fof(symmetric_difference_defn,axiom,
    ! [X1,X2] : symmetric_difference(X1,X2) = union(difference(X1,X2),difference(X2,X1)),
    file('/export/starexec/sandbox2/tmp/tmp.BUaAQMuyr7/E---3.1_27741.p',symmetric_difference_defn) ).

fof(self_difference_is_empty_set,axiom,
    ! [X1] : difference(X1,X1) = empty_set,
    file('/export/starexec/sandbox2/tmp/tmp.BUaAQMuyr7/E---3.1_27741.p',self_difference_is_empty_set) ).

fof(idempotency_of_union,axiom,
    ! [X1] : union(X1,X1) = X1,
    file('/export/starexec/sandbox2/tmp/tmp.BUaAQMuyr7/E---3.1_27741.p',idempotency_of_union) ).

fof(c_0_4,negated_conjecture,
    ~ ! [X1] : symmetric_difference(X1,X1) = empty_set,
    inference(assume_negation,[status(cth)],[prove_th93]) ).

fof(c_0_5,negated_conjecture,
    symmetric_difference(esk4_0,esk4_0) != empty_set,
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_4])])]) ).

fof(c_0_6,plain,
    ! [X4,X5] : symmetric_difference(X4,X5) = union(difference(X4,X5),difference(X5,X4)),
    inference(variable_rename,[status(thm)],[symmetric_difference_defn]) ).

cnf(c_0_7,negated_conjecture,
    symmetric_difference(esk4_0,esk4_0) != empty_set,
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_8,plain,
    symmetric_difference(X1,X2) = union(difference(X1,X2),difference(X2,X1)),
    inference(split_conjunct,[status(thm)],[c_0_6]) ).

fof(c_0_9,plain,
    ! [X7] : difference(X7,X7) = empty_set,
    inference(variable_rename,[status(thm)],[self_difference_is_empty_set]) ).

cnf(c_0_10,negated_conjecture,
    union(difference(esk4_0,esk4_0),difference(esk4_0,esk4_0)) != empty_set,
    inference(rw,[status(thm)],[c_0_7,c_0_8]) ).

cnf(c_0_11,plain,
    difference(X1,X1) = empty_set,
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

fof(c_0_12,plain,
    ! [X6] : union(X6,X6) = X6,
    inference(variable_rename,[status(thm)],[idempotency_of_union]) ).

cnf(c_0_13,negated_conjecture,
    union(empty_set,empty_set) != empty_set,
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_10,c_0_11]),c_0_11]) ).

cnf(c_0_14,plain,
    union(X1,X1) = X1,
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_15,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_13,c_0_14])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.05/0.10  % Problem    : SET618+3 : TPTP v8.1.2. Released v2.2.0.
% 0.05/0.11  % Command    : run_E %s %d THM
% 0.10/0.32  % Computer : n017.cluster.edu
% 0.10/0.32  % Model    : x86_64 x86_64
% 0.10/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.32  % Memory   : 8042.1875MB
% 0.10/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.32  % CPULimit   : 2400
% 0.10/0.32  % WCLimit    : 300
% 0.10/0.32  % DateTime   : Mon Oct  2 16:21:56 EDT 2023
% 0.10/0.32  % CPUTime    : 
% 0.17/0.43  Running first-order model finding
% 0.17/0.43  Running: /export/starexec/sandbox2/solver/bin/eprover --delete-bad-limit=2000000000 --definitional-cnf=24 -s --print-statistics -R --print-version --proof-object --satauto-schedule=8 --cpu-limit=300 /export/starexec/sandbox2/tmp/tmp.BUaAQMuyr7/E---3.1_27741.p
% 0.17/0.44  # Version: 3.1pre001
% 0.17/0.44  # Preprocessing class: FSMSSMSSSSSNFFN.
% 0.17/0.44  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.17/0.44  # Starting G-E--_208_C18_F1_SE_CS_SOS_SP_PS_S5PRR_RG_S04AN with 1500s (5) cores
% 0.17/0.44  # Starting new_bool_3 with 300s (1) cores
% 0.17/0.44  # Starting new_bool_1 with 300s (1) cores
% 0.17/0.44  # Starting sh5l with 300s (1) cores
% 0.17/0.44  # G-E--_208_C18_F1_SE_CS_SOS_SP_PS_S5PRR_RG_S04AN with pid 27818 completed with status 0
% 0.17/0.44  # Result found by G-E--_208_C18_F1_SE_CS_SOS_SP_PS_S5PRR_RG_S04AN
% 0.17/0.44  # Preprocessing class: FSMSSMSSSSSNFFN.
% 0.17/0.44  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.17/0.44  # Starting G-E--_208_C18_F1_SE_CS_SOS_SP_PS_S5PRR_RG_S04AN with 1500s (5) cores
% 0.17/0.44  # No SInE strategy applied
% 0.17/0.44  # Search class: FGHSM-FFSF21-SFFFFFNN
% 0.17/0.44  # Scheduled 6 strats onto 5 cores with 1500 seconds (1500 total)
% 0.17/0.44  # Starting SAT001_MinMin_p005000_rr_RG with 811s (1) cores
% 0.17/0.44  # Starting G-E--_208_C18_F1_SE_CS_SOS_SP_PS_S5PRR_RG_S04AN with 151s (1) cores
% 0.17/0.44  # Starting new_bool_3 with 136s (1) cores
% 0.17/0.44  # Starting new_bool_1 with 136s (1) cores
% 0.17/0.44  # Starting sh5l with 136s (1) cores
% 0.17/0.44  # SAT001_MinMin_p005000_rr_RG with pid 27824 completed with status 0
% 0.17/0.44  # Result found by SAT001_MinMin_p005000_rr_RG
% 0.17/0.44  # Preprocessing class: FSMSSMSSSSSNFFN.
% 0.17/0.44  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.17/0.44  # Starting G-E--_208_C18_F1_SE_CS_SOS_SP_PS_S5PRR_RG_S04AN with 1500s (5) cores
% 0.17/0.44  # No SInE strategy applied
% 0.17/0.44  # Search class: FGHSM-FFSF21-SFFFFFNN
% 0.17/0.44  # Scheduled 6 strats onto 5 cores with 1500 seconds (1500 total)
% 0.17/0.44  # Starting SAT001_MinMin_p005000_rr_RG with 811s (1) cores
% 0.17/0.44  # Preprocessing time       : 0.001 s
% 0.17/0.44  # Presaturation interreduction done
% 0.17/0.44  
% 0.17/0.44  # Proof found!
% 0.17/0.44  # SZS status Theorem
% 0.17/0.44  # SZS output start CNFRefutation
% See solution above
% 0.17/0.44  # Parsed axioms                        : 12
% 0.17/0.44  # Removed by relevancy pruning/SinE    : 0
% 0.17/0.44  # Initial clauses                      : 20
% 0.17/0.44  # Removed in clause preprocessing      : 3
% 0.17/0.44  # Initial clauses in saturation        : 17
% 0.17/0.44  # Processed clauses                    : 4
% 0.17/0.44  # ...of these trivial                  : 0
% 0.17/0.44  # ...subsumed                          : 0
% 0.17/0.44  # ...remaining for further processing  : 4
% 0.17/0.44  # Other redundant clauses eliminated   : 0
% 0.17/0.44  # Clauses deleted for lack of memory   : 0
% 0.17/0.44  # Backward-subsumed                    : 0
% 0.17/0.44  # Backward-rewritten                   : 1
% 0.17/0.44  # Generated clauses                    : 0
% 0.17/0.44  # ...of the previous two non-redundant : 0
% 0.17/0.44  # ...aggressively subsumed             : 0
% 0.17/0.44  # Contextual simplify-reflections      : 0
% 0.17/0.44  # Paramodulations                      : 0
% 0.17/0.44  # Factorizations                       : 0
% 0.17/0.44  # NegExts                              : 0
% 0.17/0.44  # Equation resolutions                 : 0
% 0.17/0.44  # Total rewrite steps                  : 3
% 0.17/0.44  # Propositional unsat checks           : 0
% 0.17/0.44  #    Propositional check models        : 0
% 0.17/0.44  #    Propositional check unsatisfiable : 0
% 0.17/0.44  #    Propositional clauses             : 0
% 0.17/0.44  #    Propositional clauses after purity: 0
% 0.17/0.44  #    Propositional unsat core size     : 0
% 0.17/0.44  #    Propositional preprocessing time  : 0.000
% 0.17/0.44  #    Propositional encoding time       : 0.000
% 0.17/0.44  #    Propositional solver time         : 0.000
% 0.17/0.44  #    Success case prop preproc time    : 0.000
% 0.17/0.44  #    Success case prop encoding time   : 0.000
% 0.17/0.44  #    Success case prop solver time     : 0.000
% 0.17/0.44  # Current number of processed clauses  : 3
% 0.17/0.44  #    Positive orientable unit clauses  : 2
% 0.17/0.44  #    Positive unorientable unit clauses: 0
% 0.17/0.44  #    Negative unit clauses             : 1
% 0.17/0.44  #    Non-unit-clauses                  : 0
% 0.17/0.44  # Current number of unprocessed clauses: 13
% 0.17/0.44  # ...number of literals in the above   : 27
% 0.17/0.44  # Current number of archived formulas  : 0
% 0.17/0.44  # Current number of archived clauses   : 2
% 0.17/0.44  # Clause-clause subsumption calls (NU) : 0
% 0.17/0.44  # Rec. Clause-clause subsumption calls : 0
% 0.17/0.44  # Non-unit clause-clause subsumptions  : 0
% 0.17/0.44  # Unit Clause-clause subsumption calls : 0
% 0.17/0.44  # Rewrite failures with RHS unbound    : 0
% 0.17/0.44  # BW rewrite match attempts            : 1
% 0.17/0.44  # BW rewrite match successes           : 1
% 0.17/0.44  # Condensation attempts                : 0
% 0.17/0.44  # Condensation successes               : 0
% 0.17/0.44  # Termbank termtop insertions          : 776
% 0.17/0.44  
% 0.17/0.44  # -------------------------------------------------
% 0.17/0.44  # User time                : 0.005 s
% 0.17/0.44  # System time              : 0.001 s
% 0.17/0.44  # Total time               : 0.005 s
% 0.17/0.44  # Maximum resident set size: 1756 pages
% 0.17/0.44  
% 0.17/0.44  # -------------------------------------------------
% 0.17/0.44  # User time                : 0.009 s
% 0.17/0.44  # System time              : 0.005 s
% 0.17/0.44  # Total time               : 0.014 s
% 0.17/0.44  # Maximum resident set size: 1680 pages
% 0.17/0.44  % E---3.1 exiting
%------------------------------------------------------------------------------