TSTP Solution File: LCL166-1 by E---3.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : E---3.1
% Problem  : LCL166-1 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_E %s %d THM

% Computer : n014.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 18:11:46 EDT 2023

% Result   : Unsatisfiable 1.27s 0.59s
% Output   : CNFRefutation 1.27s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   32
%            Number of leaves      :    3
% Syntax   : Number of clauses     :   53 (  10 unt;   0 nHn;  30 RR)
%            Number of literals    :  122 (   0 equ;  71 neg)
%            Maximal clause size   :    4 (   2 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :    4 (   4 usr;   3 con; 0-2 aty)
%            Number of variables   :  140 (   4 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(condensed_detachment,axiom,
    ( is_a_theorem(X2)
    | ~ is_a_theorem(equivalent(X1,X2))
    | ~ is_a_theorem(X1) ),
    file('/export/starexec/sandbox/tmp/tmp.G8SIGN7MPQ/E---3.1_18720.p',condensed_detachment) ).

cnf(xhn,axiom,
    is_a_theorem(equivalent(X1,equivalent(equivalent(X2,X3),equivalent(equivalent(X3,X1),X2)))),
    file('/export/starexec/sandbox/tmp/tmp.G8SIGN7MPQ/E---3.1_18720.p',xhn) ).

cnf(prove_um,negated_conjecture,
    ~ is_a_theorem(equivalent(equivalent(equivalent(a,b),c),equivalent(b,equivalent(c,a)))),
    file('/export/starexec/sandbox/tmp/tmp.G8SIGN7MPQ/E---3.1_18720.p',prove_um) ).

cnf(c_0_3,axiom,
    ( is_a_theorem(X2)
    | ~ is_a_theorem(equivalent(X1,X2))
    | ~ is_a_theorem(X1) ),
    condensed_detachment ).

cnf(c_0_4,axiom,
    is_a_theorem(equivalent(X1,equivalent(equivalent(X2,X3),equivalent(equivalent(X3,X1),X2)))),
    xhn ).

cnf(c_0_5,plain,
    ( is_a_theorem(equivalent(equivalent(X1,X2),equivalent(equivalent(X2,X3),X1)))
    | ~ is_a_theorem(X3) ),
    inference(spm,[status(thm)],[c_0_3,c_0_4]) ).

cnf(c_0_6,plain,
    ( is_a_theorem(equivalent(equivalent(X1,X2),X3))
    | ~ is_a_theorem(equivalent(X3,X1))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_3,c_0_5]) ).

cnf(c_0_7,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(equivalent(X2,X3))
    | ~ is_a_theorem(equivalent(X1,X2))
    | ~ is_a_theorem(X3) ),
    inference(spm,[status(thm)],[c_0_3,c_0_6]) ).

cnf(c_0_8,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(equivalent(equivalent(X2,X3),equivalent(equivalent(X3,X4),X2)))
    | ~ is_a_theorem(equivalent(X1,X4)) ),
    inference(spm,[status(thm)],[c_0_7,c_0_4]) ).

cnf(c_0_9,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(equivalent(X1,X2))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_8,c_0_5]) ).

cnf(c_0_10,plain,
    ( is_a_theorem(equivalent(X1,X2))
    | ~ is_a_theorem(equivalent(equivalent(X2,X3),X1))
    | ~ is_a_theorem(X3) ),
    inference(spm,[status(thm)],[c_0_9,c_0_5]) ).

cnf(c_0_11,plain,
    ( is_a_theorem(equivalent(equivalent(equivalent(X1,X2),equivalent(equivalent(X2,equivalent(X3,X4)),X1)),X3))
    | ~ is_a_theorem(X4) ),
    inference(spm,[status(thm)],[c_0_10,c_0_4]) ).

cnf(c_0_12,plain,
    ( is_a_theorem(equivalent(X1,equivalent(X2,X3)))
    | ~ is_a_theorem(equivalent(equivalent(X3,equivalent(X1,X4)),X2))
    | ~ is_a_theorem(X4) ),
    inference(spm,[status(thm)],[c_0_10,c_0_11]) ).

cnf(c_0_13,plain,
    ( is_a_theorem(equivalent(equivalent(X1,equivalent(X2,X3)),equivalent(X2,equivalent(X4,X1))))
    | ~ is_a_theorem(X4)
    | ~ is_a_theorem(X3) ),
    inference(spm,[status(thm)],[c_0_12,c_0_11]) ).

cnf(c_0_14,plain,
    ( is_a_theorem(equivalent(X1,equivalent(equivalent(X1,equivalent(X2,X3)),X3)))
    | ~ is_a_theorem(X4)
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_12,c_0_13]) ).

cnf(c_0_15,plain,
    ( is_a_theorem(equivalent(X1,equivalent(equivalent(X1,equivalent(X2,X3)),X3)))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_14,c_0_4]) ).

cnf(c_0_16,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(equivalent(equivalent(X1,equivalent(X2,X3)),X3))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_9,c_0_15]) ).

cnf(c_0_17,plain,
    ( is_a_theorem(equivalent(equivalent(equivalent(X1,X2),X3),X3))
    | ~ is_a_theorem(X1)
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_10,c_0_5]) ).

cnf(c_0_18,plain,
    ( is_a_theorem(equivalent(X1,X2))
    | ~ is_a_theorem(equivalent(X2,equivalent(X1,X3)))
    | ~ is_a_theorem(X3) ),
    inference(spm,[status(thm)],[c_0_16,c_0_11]) ).

cnf(c_0_19,plain,
    ( is_a_theorem(equivalent(equivalent(X1,X2),X3))
    | ~ is_a_theorem(X3)
    | ~ is_a_theorem(X1)
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_9,c_0_17]) ).

cnf(c_0_20,plain,
    ( is_a_theorem(equivalent(equivalent(X1,X2),equivalent(X3,X1)))
    | ~ is_a_theorem(X3)
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_18,c_0_5]) ).

cnf(c_0_21,plain,
    ( is_a_theorem(equivalent(X1,X2))
    | ~ is_a_theorem(X3)
    | ~ is_a_theorem(X1)
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_9,c_0_19]) ).

cnf(c_0_22,plain,
    ( is_a_theorem(equivalent(equivalent(X1,X2),X2))
    | ~ is_a_theorem(X3)
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_10,c_0_20]) ).

cnf(c_0_23,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(equivalent(equivalent(X2,X3),equivalent(equivalent(X3,X1),X2))) ),
    inference(spm,[status(thm)],[c_0_9,c_0_4]) ).

cnf(c_0_24,plain,
    ( is_a_theorem(equivalent(X1,X2))
    | ~ is_a_theorem(X1)
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_21,c_0_4]) ).

cnf(c_0_25,plain,
    ( is_a_theorem(equivalent(equivalent(X1,X2),X3))
    | ~ is_a_theorem(equivalent(equivalent(X2,X3),X1)) ),
    inference(spm,[status(thm)],[c_0_18,c_0_4]) ).

cnf(c_0_26,plain,
    ( is_a_theorem(equivalent(equivalent(X1,X2),X2))
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_22,c_0_4]) ).

cnf(c_0_27,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(equivalent(equivalent(X2,X1),X3))
    | ~ is_a_theorem(equivalent(X3,X2)) ),
    inference(spm,[status(thm)],[c_0_23,c_0_24]) ).

cnf(c_0_28,plain,
    ( is_a_theorem(equivalent(equivalent(X1,X2),X1))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_25,c_0_26]) ).

cnf(c_0_29,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(equivalent(equivalent(equivalent(X2,X3),equivalent(equivalent(X3,equivalent(X4,X1)),X2)),X4)) ),
    inference(spm,[status(thm)],[c_0_27,c_0_4]) ).

cnf(c_0_30,plain,
    ( is_a_theorem(equivalent(equivalent(X1,equivalent(X2,X3)),X3))
    | ~ is_a_theorem(X1)
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_3,c_0_15]) ).

cnf(c_0_31,plain,
    ( is_a_theorem(equivalent(X1,X1))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_10,c_0_28]) ).

cnf(c_0_32,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(equivalent(X2,equivalent(X3,X1)))
    | ~ is_a_theorem(equivalent(X3,X2)) ),
    inference(spm,[status(thm)],[c_0_29,c_0_30]) ).

cnf(c_0_33,plain,
    is_a_theorem(equivalent(X1,X1)),
    inference(spm,[status(thm)],[c_0_31,c_0_4]) ).

cnf(c_0_34,plain,
    ( is_a_theorem(equivalent(equivalent(X1,X2),X3))
    | ~ is_a_theorem(equivalent(equivalent(X3,X1),X2)) ),
    inference(spm,[status(thm)],[c_0_32,c_0_4]) ).

cnf(c_0_35,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(equivalent(X2,equivalent(X2,X1))) ),
    inference(spm,[status(thm)],[c_0_32,c_0_33]) ).

cnf(c_0_36,plain,
    ( is_a_theorem(equivalent(equivalent(X1,X1),X2))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_34,c_0_26]) ).

cnf(c_0_37,plain,
    is_a_theorem(equivalent(equivalent(equivalent(X1,X2),X1),X2)),
    inference(spm,[status(thm)],[c_0_25,c_0_33]) ).

cnf(c_0_38,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(equivalent(equivalent(X2,X2),X1)) ),
    inference(spm,[status(thm)],[c_0_35,c_0_36]) ).

cnf(c_0_39,plain,
    ( is_a_theorem(equivalent(X1,equivalent(X2,X1)))
    | ~ is_a_theorem(X2) ),
    inference(spm,[status(thm)],[c_0_10,c_0_37]) ).

cnf(c_0_40,plain,
    ( is_a_theorem(equivalent(X1,equivalent(X2,X2)))
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_38,c_0_39]) ).

cnf(c_0_41,plain,
    ( is_a_theorem(equivalent(equivalent(equivalent(X1,X1),X2),X3))
    | ~ is_a_theorem(equivalent(X2,X3)) ),
    inference(spm,[status(thm)],[c_0_25,c_0_40]) ).

cnf(c_0_42,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(equivalent(equivalent(equivalent(X2,equivalent(X3,X1)),X2),X3)) ),
    inference(spm,[status(thm)],[c_0_29,c_0_41]) ).

cnf(c_0_43,plain,
    ( is_a_theorem(equivalent(equivalent(X1,X2),X3))
    | ~ is_a_theorem(equivalent(X2,X3))
    | ~ is_a_theorem(X1) ),
    inference(spm,[status(thm)],[c_0_25,c_0_24]) ).

cnf(c_0_44,plain,
    ( is_a_theorem(X1)
    | ~ is_a_theorem(equivalent(X2,equivalent(X3,X1)))
    | ~ is_a_theorem(equivalent(X2,X3)) ),
    inference(spm,[status(thm)],[c_0_42,c_0_43]) ).

cnf(c_0_45,plain,
    ( is_a_theorem(equivalent(equivalent(X1,X2),X3))
    | ~ is_a_theorem(equivalent(X2,equivalent(X3,X1))) ),
    inference(spm,[status(thm)],[c_0_44,c_0_4]) ).

cnf(c_0_46,plain,
    ( is_a_theorem(equivalent(equivalent(X1,X2),X3))
    | ~ is_a_theorem(equivalent(X3,equivalent(X1,X2))) ),
    inference(spm,[status(thm)],[c_0_25,c_0_45]) ).

cnf(c_0_47,plain,
    is_a_theorem(equivalent(equivalent(equivalent(X1,X2),equivalent(equivalent(X2,X3),X1)),X3)),
    inference(spm,[status(thm)],[c_0_46,c_0_4]) ).

cnf(c_0_48,plain,
    ( is_a_theorem(equivalent(X1,X2))
    | ~ is_a_theorem(equivalent(X2,X1)) ),
    inference(spm,[status(thm)],[c_0_16,c_0_47]) ).

cnf(c_0_49,plain,
    is_a_theorem(equivalent(equivalent(X1,equivalent(X2,X3)),equivalent(equivalent(X3,X1),X2))),
    inference(spm,[status(thm)],[c_0_25,c_0_47]) ).

cnf(c_0_50,negated_conjecture,
    ~ is_a_theorem(equivalent(equivalent(equivalent(a,b),c),equivalent(b,equivalent(c,a)))),
    prove_um ).

cnf(c_0_51,plain,
    is_a_theorem(equivalent(equivalent(equivalent(X1,X2),X3),equivalent(X2,equivalent(X3,X1)))),
    inference(spm,[status(thm)],[c_0_48,c_0_49]) ).

cnf(c_0_52,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_50,c_0_51])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem    : LCL166-1 : TPTP v8.1.2. Released v1.0.0.
% 0.11/0.12  % Command    : run_E %s %d THM
% 0.11/0.32  % Computer : n014.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32  % CPULimit   : 2400
% 0.11/0.32  % WCLimit    : 300
% 0.11/0.32  % DateTime   : Mon Oct  2 11:44:19 EDT 2023
% 0.11/0.32  % CPUTime    : 
% 0.17/0.44  Running first-order theorem proving
% 0.17/0.44  Running: /export/starexec/sandbox/solver/bin/eprover --delete-bad-limit=2000000000 --definitional-cnf=24 -s --print-statistics -R --print-version --proof-object --auto-schedule=8 --cpu-limit=300 /export/starexec/sandbox/tmp/tmp.G8SIGN7MPQ/E---3.1_18720.p
% 1.27/0.59  # Version: 3.1pre001
% 1.27/0.59  # Preprocessing class: FSSSSMSSSSSNFFN.
% 1.27/0.59  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 1.27/0.59  # Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 1500s (5) cores
% 1.27/0.59  # Starting new_bool_3 with 300s (1) cores
% 1.27/0.59  # Starting new_bool_1 with 300s (1) cores
% 1.27/0.59  # Starting sh5l with 300s (1) cores
% 1.27/0.59  # sh5l with pid 18801 completed with status 0
% 1.27/0.59  # Result found by sh5l
% 1.27/0.59  # Preprocessing class: FSSSSMSSSSSNFFN.
% 1.27/0.59  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 1.27/0.59  # Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 1500s (5) cores
% 1.27/0.59  # Starting new_bool_3 with 300s (1) cores
% 1.27/0.59  # Starting new_bool_1 with 300s (1) cores
% 1.27/0.59  # Starting sh5l with 300s (1) cores
% 1.27/0.59  # SinE strategy is gf500_gu_R04_F100_L20000
% 1.27/0.59  # Search class: FHUNF-FFSF22-MFFFFFNN
% 1.27/0.59  # Scheduled 6 strats onto 1 cores with 300 seconds (300 total)
% 1.27/0.59  # Starting G-E--_060_C18_F1_PI_AE_Q4_CS_SP_S0Y with 163s (1) cores
% 1.27/0.59  # G-E--_060_C18_F1_PI_AE_Q4_CS_SP_S0Y with pid 18808 completed with status 0
% 1.27/0.59  # Result found by G-E--_060_C18_F1_PI_AE_Q4_CS_SP_S0Y
% 1.27/0.59  # Preprocessing class: FSSSSMSSSSSNFFN.
% 1.27/0.59  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 1.27/0.59  # Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 1500s (5) cores
% 1.27/0.59  # Starting new_bool_3 with 300s (1) cores
% 1.27/0.59  # Starting new_bool_1 with 300s (1) cores
% 1.27/0.59  # Starting sh5l with 300s (1) cores
% 1.27/0.59  # SinE strategy is gf500_gu_R04_F100_L20000
% 1.27/0.59  # Search class: FHUNF-FFSF22-MFFFFFNN
% 1.27/0.59  # Scheduled 6 strats onto 1 cores with 300 seconds (300 total)
% 1.27/0.59  # Starting G-E--_060_C18_F1_PI_AE_Q4_CS_SP_S0Y with 163s (1) cores
% 1.27/0.59  # Preprocessing time       : 0.001 s
% 1.27/0.59  
% 1.27/0.59  # Proof found!
% 1.27/0.59  # SZS status Unsatisfiable
% 1.27/0.59  # SZS output start CNFRefutation
% See solution above
% 1.27/0.59  # Parsed axioms                        : 3
% 1.27/0.59  # Removed by relevancy pruning/SinE    : 0
% 1.27/0.59  # Initial clauses                      : 3
% 1.27/0.59  # Removed in clause preprocessing      : 0
% 1.27/0.59  # Initial clauses in saturation        : 3
% 1.27/0.59  # Processed clauses                    : 3804
% 1.27/0.59  # ...of these trivial                  : 39
% 1.27/0.59  # ...subsumed                          : 3462
% 1.27/0.59  # ...remaining for further processing  : 303
% 1.27/0.59  # Other redundant clauses eliminated   : 0
% 1.27/0.59  # Clauses deleted for lack of memory   : 0
% 1.27/0.59  # Backward-subsumed                    : 5
% 1.27/0.59  # Backward-rewritten                   : 4
% 1.27/0.59  # Generated clauses                    : 14192
% 1.27/0.59  # ...of the previous two non-redundant : 9750
% 1.27/0.59  # ...aggressively subsumed             : 0
% 1.27/0.59  # Contextual simplify-reflections      : 0
% 1.27/0.59  # Paramodulations                      : 14192
% 1.27/0.59  # Factorizations                       : 0
% 1.27/0.59  # NegExts                              : 0
% 1.27/0.59  # Equation resolutions                 : 0
% 1.27/0.59  # Total rewrite steps                  : 4908
% 1.27/0.59  # Propositional unsat checks           : 0
% 1.27/0.59  #    Propositional check models        : 0
% 1.27/0.59  #    Propositional check unsatisfiable : 0
% 1.27/0.59  #    Propositional clauses             : 0
% 1.27/0.59  #    Propositional clauses after purity: 0
% 1.27/0.59  #    Propositional unsat core size     : 0
% 1.27/0.59  #    Propositional preprocessing time  : 0.000
% 1.27/0.59  #    Propositional encoding time       : 0.000
% 1.27/0.59  #    Propositional solver time         : 0.000
% 1.27/0.59  #    Success case prop preproc time    : 0.000
% 1.27/0.59  #    Success case prop encoding time   : 0.000
% 1.27/0.59  #    Success case prop solver time     : 0.000
% 1.27/0.59  # Current number of processed clauses  : 294
% 1.27/0.59  #    Positive orientable unit clauses  : 93
% 1.27/0.59  #    Positive unorientable unit clauses: 0
% 1.27/0.59  #    Negative unit clauses             : 1
% 1.27/0.59  #    Non-unit-clauses                  : 200
% 1.27/0.59  # Current number of unprocessed clauses: 5914
% 1.27/0.59  # ...number of literals in the above   : 15916
% 1.27/0.59  # Current number of archived formulas  : 0
% 1.27/0.59  # Current number of archived clauses   : 9
% 1.27/0.59  # Clause-clause subsumption calls (NU) : 62124
% 1.27/0.59  # Rec. Clause-clause subsumption calls : 61963
% 1.27/0.59  # Non-unit clause-clause subsumptions  : 3466
% 1.27/0.59  # Unit Clause-clause subsumption calls : 1070
% 1.27/0.59  # Rewrite failures with RHS unbound    : 0
% 1.27/0.59  # BW rewrite match attempts            : 7555
% 1.27/0.59  # BW rewrite match successes           : 4
% 1.27/0.59  # Condensation attempts                : 0
% 1.27/0.59  # Condensation successes               : 0
% 1.27/0.59  # Termbank termtop insertions          : 138905
% 1.27/0.59  
% 1.27/0.59  # -------------------------------------------------
% 1.27/0.59  # User time                : 0.140 s
% 1.27/0.59  # System time              : 0.005 s
% 1.27/0.59  # Total time               : 0.145 s
% 1.27/0.59  # Maximum resident set size: 1628 pages
% 1.27/0.59  
% 1.27/0.59  # -------------------------------------------------
% 1.27/0.59  # User time                : 0.140 s
% 1.27/0.59  # System time              : 0.007 s
% 1.27/0.59  # Total time               : 0.147 s
% 1.27/0.59  # Maximum resident set size: 1676 pages
% 1.27/0.59  % E---3.1 exiting
% 1.27/0.59  % E---3.1 exiting
%------------------------------------------------------------------------------