TSTP Solution File: SEU325+2 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SEU325+2 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% Computer : n021.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 : Tue Jul 19 09:19:00 EDT 2022

% Result   : Theorem 0.30s 1.47s
% Output   : CNFRefutation 0.30s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   13
% Syntax   : Number of formulae    :   64 (  22 unt;   0 def)
%            Number of atoms       :  136 (  38 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :  122 (  50   ~;  40   |;  17   &)
%                                         (   3 <=>;  12  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   3 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    9 (   7 usr;   1 prp; 0-2 aty)
%            Number of functors    :   11 (  11 usr;   5 con; 0-2 aty)
%            Number of variables   :   65 (   5 sgn  36   !;   3   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(t5_tops_2,conjecture,
    ! [X1] :
      ( ( ~ empty_carrier(X1)
        & one_sorted_str(X1) )
     => ! [X2] :
          ( element(X2,powerset(powerset(the_carrier(X1))))
         => ~ ( is_a_cover_of_carrier(X1,X2)
              & X2 = empty_set ) ) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t5_tops_2) ).

fof(t6_boole,axiom,
    ! [X1] :
      ( empty(X1)
     => X1 = empty_set ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t6_boole) ).

fof(t8_boole,axiom,
    ! [X1,X2] :
      ~ ( empty(X1)
        & X1 != X2
        & empty(X2) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t8_boole) ).

fof(rc1_relat_1,axiom,
    ? [X1] :
      ( empty(X1)
      & relation(X1) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',rc1_relat_1) ).

fof(rc1_xboole_0,axiom,
    ? [X1] : empty(X1),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',rc1_xboole_0) ).

fof(t3_xboole_1,lemma,
    ! [X1] :
      ( subset(X1,empty_set)
     => X1 = empty_set ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t3_xboole_1) ).

fof(rc2_subset_1,axiom,
    ! [X1] :
    ? [X2] :
      ( element(X2,powerset(X1))
      & empty(X2) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',rc2_subset_1) ).

fof(d3_pre_topc,axiom,
    ! [X1] :
      ( one_sorted_str(X1)
     => cast_as_carrier_subset(X1) = the_carrier(X1) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',d3_pre_topc) ).

fof(t3_subset,axiom,
    ! [X1,X2] :
      ( element(X1,powerset(X2))
    <=> subset(X1,X2) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t3_subset) ).

fof(d8_pre_topc,axiom,
    ! [X1] :
      ( one_sorted_str(X1)
     => ! [X2] :
          ( element(X2,powerset(powerset(the_carrier(X1))))
         => ( is_a_cover_of_carrier(X1,X2)
          <=> cast_as_carrier_subset(X1) = union_of_subsets(the_carrier(X1),X2) ) ) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',d8_pre_topc) ).

fof(dt_k5_setfam_1,axiom,
    ! [X1,X2] :
      ( element(X2,powerset(powerset(X1)))
     => element(union_of_subsets(X1,X2),powerset(X1)) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',dt_k5_setfam_1) ).

fof(redefinition_k5_setfam_1,axiom,
    ! [X1,X2] :
      ( element(X2,powerset(powerset(X1)))
     => union_of_subsets(X1,X2) = union(X2) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',redefinition_k5_setfam_1) ).

fof(d1_struct_0,axiom,
    ! [X1] :
      ( one_sorted_str(X1)
     => ( empty_carrier(X1)
      <=> empty(the_carrier(X1)) ) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',d1_struct_0) ).

fof(c_0_13,negated_conjecture,
    ~ ! [X1] :
        ( ( ~ empty_carrier(X1)
          & one_sorted_str(X1) )
       => ! [X2] :
            ( element(X2,powerset(powerset(the_carrier(X1))))
           => ~ ( is_a_cover_of_carrier(X1,X2)
                & X2 = empty_set ) ) ),
    inference(assume_negation,[status(cth)],[t5_tops_2]) ).

fof(c_0_14,plain,
    ! [X2] :
      ( ~ empty(X2)
      | X2 = empty_set ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t6_boole])]) ).

fof(c_0_15,negated_conjecture,
    ( ~ empty_carrier(esk1_0)
    & one_sorted_str(esk1_0)
    & element(esk2_0,powerset(powerset(the_carrier(esk1_0))))
    & is_a_cover_of_carrier(esk1_0,esk2_0)
    & esk2_0 = empty_set ),
    inference(skolemize,[status(esa)],[inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(fof_simplification,[status(thm)],[c_0_13])])])])])]) ).

fof(c_0_16,plain,
    ! [X3,X4] :
      ( ~ empty(X3)
      | X3 = X4
      | ~ empty(X4) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t8_boole])]) ).

fof(c_0_17,plain,
    ( empty(esk14_0)
    & relation(esk14_0) ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[rc1_relat_1])]) ).

cnf(c_0_18,plain,
    ( X1 = empty_set
    | ~ empty(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_14]) ).

cnf(c_0_19,negated_conjecture,
    esk2_0 = empty_set,
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

fof(c_0_20,plain,
    empty(esk16_0),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[rc1_xboole_0])]) ).

fof(c_0_21,lemma,
    ! [X2] :
      ( ~ subset(X2,empty_set)
      | X2 = empty_set ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t3_xboole_1])]) ).

cnf(c_0_22,plain,
    ( X2 = X1
    | ~ empty(X1)
    | ~ empty(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_23,plain,
    empty(esk14_0),
    inference(split_conjunct,[status(thm)],[c_0_17]) ).

cnf(c_0_24,plain,
    ( X1 = esk2_0
    | ~ empty(X1) ),
    inference(rw,[status(thm)],[c_0_18,c_0_19]) ).

cnf(c_0_25,plain,
    empty(esk16_0),
    inference(split_conjunct,[status(thm)],[c_0_20]) ).

fof(c_0_26,plain,
    ! [X3] :
      ( element(esk19_1(X3),powerset(X3))
      & empty(esk19_1(X3)) ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[rc2_subset_1])]) ).

cnf(c_0_27,lemma,
    ( X1 = empty_set
    | ~ subset(X1,empty_set) ),
    inference(split_conjunct,[status(thm)],[c_0_21]) ).

cnf(c_0_28,plain,
    ( X1 = esk14_0
    | ~ empty(X1) ),
    inference(spm,[status(thm)],[c_0_22,c_0_23]) ).

cnf(c_0_29,negated_conjecture,
    is_a_cover_of_carrier(esk1_0,esk2_0),
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

cnf(c_0_30,plain,
    esk2_0 = esk14_0,
    inference(spm,[status(thm)],[c_0_24,c_0_23]) ).

fof(c_0_31,plain,
    ! [X2] :
      ( ~ one_sorted_str(X2)
      | cast_as_carrier_subset(X2) = the_carrier(X2) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[d3_pre_topc])]) ).

cnf(c_0_32,plain,
    ( X1 = esk16_0
    | ~ empty(X1) ),
    inference(spm,[status(thm)],[c_0_22,c_0_25]) ).

cnf(c_0_33,plain,
    empty(esk19_1(X1)),
    inference(split_conjunct,[status(thm)],[c_0_26]) ).

cnf(c_0_34,lemma,
    ( X1 = esk2_0
    | ~ subset(X1,esk2_0) ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_27,c_0_19]),c_0_19]) ).

cnf(c_0_35,plain,
    esk14_0 = esk16_0,
    inference(spm,[status(thm)],[c_0_28,c_0_25]) ).

fof(c_0_36,plain,
    ! [X3,X4,X3,X4] :
      ( ( ~ element(X3,powerset(X4))
        | subset(X3,X4) )
      & ( ~ subset(X3,X4)
        | element(X3,powerset(X4)) ) ),
    inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t3_subset])])])]) ).

fof(c_0_37,plain,
    ! [X3,X4] :
      ( ( ~ is_a_cover_of_carrier(X3,X4)
        | cast_as_carrier_subset(X3) = union_of_subsets(the_carrier(X3),X4)
        | ~ element(X4,powerset(powerset(the_carrier(X3))))
        | ~ one_sorted_str(X3) )
      & ( cast_as_carrier_subset(X3) != union_of_subsets(the_carrier(X3),X4)
        | is_a_cover_of_carrier(X3,X4)
        | ~ element(X4,powerset(powerset(the_carrier(X3))))
        | ~ one_sorted_str(X3) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[d8_pre_topc])])])])])]) ).

cnf(c_0_38,negated_conjecture,
    is_a_cover_of_carrier(esk1_0,esk14_0),
    inference(rw,[status(thm)],[c_0_29,c_0_30]) ).

cnf(c_0_39,plain,
    ( cast_as_carrier_subset(X1) = the_carrier(X1)
    | ~ one_sorted_str(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_31]) ).

cnf(c_0_40,negated_conjecture,
    one_sorted_str(esk1_0),
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

cnf(c_0_41,plain,
    element(esk19_1(X1),powerset(X1)),
    inference(split_conjunct,[status(thm)],[c_0_26]) ).

cnf(c_0_42,plain,
    esk19_1(X1) = esk16_0,
    inference(spm,[status(thm)],[c_0_32,c_0_33]) ).

cnf(c_0_43,lemma,
    ( X1 = esk16_0
    | ~ subset(X1,esk16_0) ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_34,c_0_30]),c_0_30]),c_0_35]),c_0_35]) ).

cnf(c_0_44,plain,
    ( subset(X1,X2)
    | ~ element(X1,powerset(X2)) ),
    inference(split_conjunct,[status(thm)],[c_0_36]) ).

fof(c_0_45,plain,
    ! [X3,X4] :
      ( ~ element(X4,powerset(powerset(X3)))
      | element(union_of_subsets(X3,X4),powerset(X3)) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[dt_k5_setfam_1])]) ).

fof(c_0_46,plain,
    ! [X3,X4] :
      ( ~ element(X4,powerset(powerset(X3)))
      | union_of_subsets(X3,X4) = union(X4) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[redefinition_k5_setfam_1])]) ).

cnf(c_0_47,plain,
    ( cast_as_carrier_subset(X1) = union_of_subsets(the_carrier(X1),X2)
    | ~ one_sorted_str(X1)
    | ~ element(X2,powerset(powerset(the_carrier(X1))))
    | ~ is_a_cover_of_carrier(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_37]) ).

cnf(c_0_48,negated_conjecture,
    is_a_cover_of_carrier(esk1_0,esk16_0),
    inference(rw,[status(thm)],[c_0_38,c_0_35]) ).

cnf(c_0_49,negated_conjecture,
    cast_as_carrier_subset(esk1_0) = the_carrier(esk1_0),
    inference(spm,[status(thm)],[c_0_39,c_0_40]) ).

cnf(c_0_50,plain,
    element(esk16_0,powerset(X1)),
    inference(rw,[status(thm)],[c_0_41,c_0_42]) ).

cnf(c_0_51,lemma,
    ( X1 = esk16_0
    | ~ element(X1,powerset(esk16_0)) ),
    inference(spm,[status(thm)],[c_0_43,c_0_44]) ).

cnf(c_0_52,plain,
    ( element(union_of_subsets(X1,X2),powerset(X1))
    | ~ element(X2,powerset(powerset(X1))) ),
    inference(split_conjunct,[status(thm)],[c_0_45]) ).

fof(c_0_53,plain,
    ! [X2] :
      ( ( ~ empty_carrier(X2)
        | empty(the_carrier(X2))
        | ~ one_sorted_str(X2) )
      & ( ~ empty(the_carrier(X2))
        | empty_carrier(X2)
        | ~ one_sorted_str(X2) ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[d1_struct_0])])]) ).

cnf(c_0_54,plain,
    ( union_of_subsets(X1,X2) = union(X2)
    | ~ element(X2,powerset(powerset(X1))) ),
    inference(split_conjunct,[status(thm)],[c_0_46]) ).

cnf(c_0_55,negated_conjecture,
    union_of_subsets(the_carrier(esk1_0),esk16_0) = the_carrier(esk1_0),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_47,c_0_48]),c_0_49]),c_0_40])]),c_0_50])]) ).

cnf(c_0_56,lemma,
    ( union_of_subsets(esk16_0,X1) = esk16_0
    | ~ element(X1,powerset(powerset(esk16_0))) ),
    inference(spm,[status(thm)],[c_0_51,c_0_52]) ).

cnf(c_0_57,negated_conjecture,
    ~ empty_carrier(esk1_0),
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

cnf(c_0_58,plain,
    ( empty_carrier(X1)
    | ~ one_sorted_str(X1)
    | ~ empty(the_carrier(X1)) ),
    inference(split_conjunct,[status(thm)],[c_0_53]) ).

cnf(c_0_59,negated_conjecture,
    union(esk16_0) = the_carrier(esk1_0),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_54,c_0_55]),c_0_50])]) ).

cnf(c_0_60,lemma,
    ( union(X1) = esk16_0
    | ~ element(X1,powerset(powerset(esk16_0))) ),
    inference(spm,[status(thm)],[c_0_54,c_0_56]) ).

cnf(c_0_61,negated_conjecture,
    ~ empty(the_carrier(esk1_0)),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_57,c_0_58]),c_0_40])]) ).

cnf(c_0_62,negated_conjecture,
    the_carrier(esk1_0) = esk16_0,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_59,c_0_60]),c_0_50])]) ).

cnf(c_0_63,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_61,c_0_62]),c_0_25])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : SEU325+2 : TPTP v8.1.0. Released v3.3.0.
% 0.07/0.14  % Command  : run_ET %s %d
% 0.14/0.36  % Computer : n021.cluster.edu
% 0.14/0.36  % Model    : x86_64 x86_64
% 0.14/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.36  % Memory   : 8042.1875MB
% 0.14/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36  % CPULimit : 300
% 0.14/0.36  % WCLimit  : 600
% 0.14/0.36  % DateTime : Sun Jun 19 18:23:03 EDT 2022
% 0.14/0.36  % CPUTime  : 
% 0.30/1.47  # Running protocol protocol_eprover_4a02c828a8cc55752123edbcc1ad40e453c11447 for 23 seconds:
% 0.30/1.47  # SinE strategy is GSinE(CountFormulas,hypos,1.4,,04,100,1.0)
% 0.30/1.47  # Preprocessing time       : 0.053 s
% 0.30/1.47  
% 0.30/1.47  # Proof found!
% 0.30/1.47  # SZS status Theorem
% 0.30/1.47  # SZS output start CNFRefutation
% See solution above
% 0.30/1.47  # Proof object total steps             : 64
% 0.30/1.47  # Proof object clause steps            : 37
% 0.30/1.47  # Proof object formula steps           : 27
% 0.30/1.47  # Proof object conjectures             : 15
% 0.30/1.47  # Proof object clause conjectures      : 12
% 0.30/1.47  # Proof object formula conjectures     : 3
% 0.30/1.47  # Proof object initial clauses used    : 17
% 0.30/1.47  # Proof object initial formulas used   : 13
% 0.30/1.47  # Proof object generating inferences   : 13
% 0.30/1.47  # Proof object simplifying inferences  : 24
% 0.30/1.47  # Training examples: 0 positive, 0 negative
% 0.30/1.47  # Parsed axioms                        : 538
% 0.30/1.47  # Removed by relevancy pruning/SinE    : 437
% 0.30/1.47  # Initial clauses                      : 410
% 0.30/1.47  # Removed in clause preprocessing      : 2
% 0.30/1.47  # Initial clauses in saturation        : 408
% 0.30/1.47  # Processed clauses                    : 519
% 0.30/1.47  # ...of these trivial                  : 2
% 0.30/1.47  # ...subsumed                          : 47
% 0.30/1.47  # ...remaining for further processing  : 470
% 0.30/1.47  # Other redundant clauses eliminated   : 75
% 0.30/1.47  # Clauses deleted for lack of memory   : 0
% 0.30/1.47  # Backward-subsumed                    : 0
% 0.30/1.47  # Backward-rewritten                   : 55
% 0.30/1.47  # Generated clauses                    : 3676
% 0.30/1.47  # ...of the previous two non-trivial   : 3486
% 0.30/1.47  # Contextual simplify-reflections      : 42
% 0.30/1.47  # Paramodulations                      : 3603
% 0.30/1.47  # Factorizations                       : 4
% 0.30/1.47  # Equation resolutions                 : 80
% 0.30/1.47  # Current number of processed clauses  : 359
% 0.30/1.47  #    Positive orientable unit clauses  : 35
% 0.30/1.47  #    Positive unorientable unit clauses: 0
% 0.30/1.47  #    Negative unit clauses             : 13
% 0.30/1.47  #    Non-unit-clauses                  : 311
% 0.30/1.47  # Current number of unprocessed clauses: 2905
% 0.30/1.47  # ...number of literals in the above   : 18385
% 0.30/1.47  # Current number of archived formulas  : 0
% 0.30/1.47  # Current number of archived clauses   : 55
% 0.30/1.47  # Clause-clause subsumption calls (NU) : 63981
% 0.30/1.47  # Rec. Clause-clause subsumption calls : 6431
% 0.30/1.47  # Non-unit clause-clause subsumptions  : 77
% 0.30/1.47  # Unit Clause-clause subsumption calls : 3217
% 0.30/1.47  # Rewrite failures with RHS unbound    : 0
% 0.30/1.47  # BW rewrite match attempts            : 49
% 0.30/1.47  # BW rewrite match successes           : 14
% 0.30/1.47  # Condensation attempts                : 0
% 0.30/1.47  # Condensation successes               : 0
% 0.30/1.47  # Termbank termtop insertions          : 109500
% 0.30/1.47  
% 0.30/1.47  # -------------------------------------------------
% 0.30/1.47  # User time                : 0.172 s
% 0.30/1.47  # System time              : 0.006 s
% 0.30/1.47  # Total time               : 0.178 s
% 0.30/1.47  # Maximum resident set size: 7860 pages
%------------------------------------------------------------------------------