TSTP Solution File: SEU119+2 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SEU119+2 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% Computer : n005.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 09:16:54 EDT 2022

% Result   : Theorem 0.24s 1.44s
% Output   : CNFRefutation 0.24s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   56 (   7 unt;   0 def)
%            Number of atoms       :  166 (  45 equ)
%            Maximal formula atoms :   20 (   2 avg)
%            Number of connectives :  190 (  80   ~;  82   |;  23   &)
%                                         (   4 <=>;   1  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   6 con; 0-3 aty)
%            Number of variables   :  106 (  21 sgn  34   !;   2   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(symmetry_r1_xboole_0,axiom,
    ! [X1,X2] :
      ( disjoint(X1,X2)
     => disjoint(X2,X1) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',symmetry_r1_xboole_0) ).

fof(d7_xboole_0,axiom,
    ! [X1,X2] :
      ( disjoint(X1,X2)
    <=> set_intersection2(X1,X2) = empty_set ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',d7_xboole_0) ).

fof(d3_xboole_0,axiom,
    ! [X1,X2,X3] :
      ( X3 = set_intersection2(X1,X2)
    <=> ! [X4] :
          ( in(X4,X3)
        <=> ( in(X4,X1)
            & in(X4,X2) ) ) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',d3_xboole_0) ).

fof(d1_xboole_0,axiom,
    ! [X1] :
      ( X1 = empty_set
    <=> ! [X2] : ~ in(X2,X1) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',d1_xboole_0) ).

fof(t3_xboole_0,conjecture,
    ! [X1,X2] :
      ( ~ ( ~ disjoint(X1,X2)
          & ! [X3] :
              ~ ( in(X3,X1)
                & in(X3,X2) ) )
      & ~ ( ? [X3] :
              ( in(X3,X1)
              & in(X3,X2) )
          & disjoint(X1,X2) ) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t3_xboole_0) ).

fof(c_0_5,plain,
    ! [X3,X4] :
      ( ~ disjoint(X3,X4)
      | disjoint(X4,X3) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[symmetry_r1_xboole_0])]) ).

fof(c_0_6,plain,
    ! [X3,X4,X3,X4] :
      ( ( ~ disjoint(X3,X4)
        | set_intersection2(X3,X4) = empty_set )
      & ( set_intersection2(X3,X4) != empty_set
        | disjoint(X3,X4) ) ),
    inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[d7_xboole_0])])])]) ).

fof(c_0_7,plain,
    ! [X5,X6,X7,X8,X8,X5,X6,X7] :
      ( ( in(X8,X5)
        | ~ in(X8,X7)
        | X7 != set_intersection2(X5,X6) )
      & ( in(X8,X6)
        | ~ in(X8,X7)
        | X7 != set_intersection2(X5,X6) )
      & ( ~ in(X8,X5)
        | ~ in(X8,X6)
        | in(X8,X7)
        | X7 != set_intersection2(X5,X6) )
      & ( ~ in(esk7_3(X5,X6,X7),X7)
        | ~ in(esk7_3(X5,X6,X7),X5)
        | ~ in(esk7_3(X5,X6,X7),X6)
        | X7 = set_intersection2(X5,X6) )
      & ( in(esk7_3(X5,X6,X7),X5)
        | in(esk7_3(X5,X6,X7),X7)
        | X7 = set_intersection2(X5,X6) )
      & ( in(esk7_3(X5,X6,X7),X6)
        | in(esk7_3(X5,X6,X7),X7)
        | X7 = set_intersection2(X5,X6) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[d3_xboole_0])])])])])])]) ).

cnf(c_0_8,plain,
    ( disjoint(X1,X2)
    | ~ disjoint(X2,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_9,plain,
    ( disjoint(X1,X2)
    | set_intersection2(X1,X2) != empty_set ),
    inference(split_conjunct,[status(thm)],[c_0_6]) ).

fof(c_0_10,plain,
    ! [X3,X4,X3] :
      ( ( X3 != empty_set
        | ~ in(X4,X3) )
      & ( in(esk6_1(X3),X3)
        | X3 = empty_set ) ),
    inference(shift_quantors,[status(thm)],[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)],[d1_xboole_0])])])])])])]) ).

cnf(c_0_11,plain,
    ( X1 = set_intersection2(X2,X3)
    | in(esk7_3(X2,X3,X1),X1)
    | in(esk7_3(X2,X3,X1),X3) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_12,plain,
    ( set_intersection2(X1,X2) = empty_set
    | ~ disjoint(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_6]) ).

cnf(c_0_13,plain,
    ( disjoint(X1,X2)
    | set_intersection2(X2,X1) != empty_set ),
    inference(spm,[status(thm)],[c_0_8,c_0_9]) ).

cnf(c_0_14,plain,
    ( ~ in(X1,X2)
    | X2 != empty_set ),
    inference(split_conjunct,[status(thm)],[c_0_10]) ).

cnf(c_0_15,plain,
    ( set_intersection2(X1,X2) = X2
    | in(esk7_3(X1,X2,X2),X2) ),
    inference(ef,[status(thm)],[c_0_11]) ).

cnf(c_0_16,plain,
    ( in(X4,X2)
    | X1 != set_intersection2(X2,X3)
    | ~ in(X4,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_17,plain,
    ( set_intersection2(X1,X2) = empty_set
    | set_intersection2(X2,X1) != empty_set ),
    inference(spm,[status(thm)],[c_0_12,c_0_13]) ).

cnf(c_0_18,plain,
    ( set_intersection2(X1,X2) = X2
    | X2 != empty_set ),
    inference(spm,[status(thm)],[c_0_14,c_0_15]) ).

fof(c_0_19,negated_conjecture,
    ~ ! [X1,X2] :
        ( ~ ( ~ disjoint(X1,X2)
            & ! [X3] :
                ~ ( in(X3,X1)
                  & in(X3,X2) ) )
        & ~ ( ? [X3] :
                ( in(X3,X1)
                & in(X3,X2) )
            & disjoint(X1,X2) ) ),
    inference(assume_negation,[status(cth)],[t3_xboole_0]) ).

cnf(c_0_20,plain,
    ( in(X4,X3)
    | X1 != set_intersection2(X2,X3)
    | ~ in(X4,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_21,plain,
    ( in(X1,X2)
    | ~ in(X1,set_intersection2(X2,X3)) ),
    inference(er,[status(thm)],[c_0_16]) ).

cnf(c_0_22,plain,
    ( set_intersection2(X1,X2) = empty_set
    | X1 != empty_set ),
    inference(spm,[status(thm)],[c_0_17,c_0_18]) ).

fof(c_0_23,negated_conjecture,
    ! [X6] :
      ( ( in(esk5_0,esk3_0)
        | ~ disjoint(esk1_0,esk2_0) )
      & ( in(esk5_0,esk4_0)
        | ~ disjoint(esk1_0,esk2_0) )
      & ( disjoint(esk3_0,esk4_0)
        | ~ disjoint(esk1_0,esk2_0) )
      & ( in(esk5_0,esk3_0)
        | ~ in(X6,esk1_0)
        | ~ in(X6,esk2_0) )
      & ( in(esk5_0,esk4_0)
        | ~ in(X6,esk1_0)
        | ~ in(X6,esk2_0) )
      & ( disjoint(esk3_0,esk4_0)
        | ~ in(X6,esk1_0)
        | ~ in(X6,esk2_0) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[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_19])])])])])])])]) ).

cnf(c_0_24,plain,
    ( in(X1,X2)
    | ~ in(X1,set_intersection2(X3,X2)) ),
    inference(er,[status(thm)],[c_0_20]) ).

cnf(c_0_25,plain,
    ( X1 = empty_set
    | in(esk6_1(X1),X1) ),
    inference(split_conjunct,[status(thm)],[c_0_10]) ).

cnf(c_0_26,plain,
    ( in(X4,X1)
    | X1 != set_intersection2(X2,X3)
    | ~ in(X4,X3)
    | ~ in(X4,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_27,plain,
    ( X1 != empty_set
    | ~ in(X2,empty_set) ),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_21,c_0_22]),c_0_14]) ).

cnf(c_0_28,negated_conjecture,
    ( disjoint(esk3_0,esk4_0)
    | ~ in(X1,esk2_0)
    | ~ in(X1,esk1_0) ),
    inference(split_conjunct,[status(thm)],[c_0_23]) ).

cnf(c_0_29,plain,
    ( set_intersection2(X1,X2) = empty_set
    | in(esk6_1(set_intersection2(X1,X2)),X2) ),
    inference(spm,[status(thm)],[c_0_24,c_0_25]) ).

cnf(c_0_30,negated_conjecture,
    ( disjoint(esk3_0,esk4_0)
    | ~ disjoint(esk1_0,esk2_0) ),
    inference(split_conjunct,[status(thm)],[c_0_23]) ).

cnf(c_0_31,plain,
    ( in(X1,set_intersection2(X2,X3))
    | ~ in(X1,X3)
    | ~ in(X1,X2) ),
    inference(er,[status(thm)],[c_0_26]) ).

cnf(c_0_32,plain,
    ( set_intersection2(X1,empty_set) = empty_set
    | X2 != empty_set ),
    inference(spm,[status(thm)],[c_0_27,c_0_15]) ).

cnf(c_0_33,negated_conjecture,
    ( set_intersection2(X1,esk2_0) = empty_set
    | disjoint(esk3_0,esk4_0)
    | ~ in(esk6_1(set_intersection2(X1,esk2_0)),esk1_0) ),
    inference(spm,[status(thm)],[c_0_28,c_0_29]) ).

cnf(c_0_34,plain,
    ( set_intersection2(X1,X2) = empty_set
    | in(esk6_1(set_intersection2(X1,X2)),X1) ),
    inference(spm,[status(thm)],[c_0_21,c_0_25]) ).

cnf(c_0_35,negated_conjecture,
    ( disjoint(esk3_0,esk4_0)
    | set_intersection2(esk1_0,esk2_0) != empty_set ),
    inference(spm,[status(thm)],[c_0_30,c_0_9]) ).

cnf(c_0_36,plain,
    ( set_intersection2(X1,X2) != empty_set
    | ~ in(X3,X2)
    | ~ in(X3,X1) ),
    inference(spm,[status(thm)],[c_0_14,c_0_31]) ).

cnf(c_0_37,plain,
    set_intersection2(X1,empty_set) = empty_set,
    inference(er,[status(thm)],[c_0_32]) ).

cnf(c_0_38,negated_conjecture,
    ( in(esk5_0,esk4_0)
    | ~ in(X1,esk2_0)
    | ~ in(X1,esk1_0) ),
    inference(split_conjunct,[status(thm)],[c_0_23]) ).

cnf(c_0_39,negated_conjecture,
    disjoint(esk3_0,esk4_0),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_33,c_0_34]),c_0_35]) ).

cnf(c_0_40,plain,
    ( ~ in(X1,empty_set)
    | ~ in(X1,X2) ),
    inference(spm,[status(thm)],[c_0_36,c_0_37]) ).

cnf(c_0_41,negated_conjecture,
    ( X1 = set_intersection2(X2,esk2_0)
    | in(esk7_3(X2,esk2_0,X1),X1)
    | in(esk5_0,esk4_0)
    | ~ in(esk7_3(X2,esk2_0,X1),esk1_0) ),
    inference(spm,[status(thm)],[c_0_38,c_0_11]) ).

cnf(c_0_42,plain,
    ( X1 = set_intersection2(X2,X3)
    | in(esk7_3(X2,X3,X1),X1)
    | in(esk7_3(X2,X3,X1),X2) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_43,negated_conjecture,
    ( in(esk5_0,esk4_0)
    | ~ disjoint(esk1_0,esk2_0) ),
    inference(split_conjunct,[status(thm)],[c_0_23]) ).

cnf(c_0_44,negated_conjecture,
    ( in(esk5_0,esk3_0)
    | ~ in(X1,esk2_0)
    | ~ in(X1,esk1_0) ),
    inference(split_conjunct,[status(thm)],[c_0_23]) ).

cnf(c_0_45,negated_conjecture,
    ( in(esk5_0,esk3_0)
    | ~ disjoint(esk1_0,esk2_0) ),
    inference(split_conjunct,[status(thm)],[c_0_23]) ).

cnf(c_0_46,negated_conjecture,
    set_intersection2(esk3_0,esk4_0) = empty_set,
    inference(spm,[status(thm)],[c_0_12,c_0_39]) ).

cnf(c_0_47,plain,
    ~ in(X1,empty_set),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_21,c_0_37]),c_0_40]) ).

cnf(c_0_48,negated_conjecture,
    ( X1 = set_intersection2(esk1_0,esk2_0)
    | in(esk7_3(esk1_0,esk2_0,X1),X1)
    | in(esk5_0,esk4_0) ),
    inference(spm,[status(thm)],[c_0_41,c_0_42]) ).

cnf(c_0_49,negated_conjecture,
    ( in(esk5_0,esk4_0)
    | set_intersection2(esk1_0,esk2_0) != empty_set ),
    inference(spm,[status(thm)],[c_0_43,c_0_9]) ).

cnf(c_0_50,negated_conjecture,
    ( set_intersection2(X1,esk2_0) = empty_set
    | in(esk5_0,esk3_0)
    | ~ in(esk6_1(set_intersection2(X1,esk2_0)),esk1_0) ),
    inference(spm,[status(thm)],[c_0_44,c_0_29]) ).

cnf(c_0_51,negated_conjecture,
    ( in(esk5_0,esk3_0)
    | set_intersection2(esk1_0,esk2_0) != empty_set ),
    inference(spm,[status(thm)],[c_0_45,c_0_9]) ).

cnf(c_0_52,negated_conjecture,
    ( ~ in(X1,esk4_0)
    | ~ in(X1,esk3_0) ),
    inference(spm,[status(thm)],[c_0_36,c_0_46]) ).

cnf(c_0_53,negated_conjecture,
    in(esk5_0,esk4_0),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_47,c_0_48]),c_0_49]) ).

cnf(c_0_54,negated_conjecture,
    in(esk5_0,esk3_0),
    inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_50,c_0_34]),c_0_51]) ).

cnf(c_0_55,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_52,c_0_53]),c_0_54])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem  : SEU119+2 : TPTP v8.1.0. Released v3.3.0.
% 0.08/0.14  % Command  : run_ET %s %d
% 0.13/0.35  % Computer : n005.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 600
% 0.13/0.35  % DateTime : Mon Jun 20 12:20:08 EDT 2022
% 0.13/0.36  % CPUTime  : 
% 0.24/1.44  # Running protocol protocol_eprover_4a02c828a8cc55752123edbcc1ad40e453c11447 for 23 seconds:
% 0.24/1.44  # SinE strategy is GSinE(CountFormulas,hypos,1.4,,04,100,1.0)
% 0.24/1.44  # Preprocessing time       : 0.016 s
% 0.24/1.44  
% 0.24/1.44  # Proof found!
% 0.24/1.44  # SZS status Theorem
% 0.24/1.44  # SZS output start CNFRefutation
% See solution above
% 0.24/1.44  # Proof object total steps             : 56
% 0.24/1.44  # Proof object clause steps            : 45
% 0.24/1.44  # Proof object formula steps           : 11
% 0.24/1.44  # Proof object conjectures             : 22
% 0.24/1.44  # Proof object clause conjectures      : 19
% 0.24/1.44  # Proof object formula conjectures     : 3
% 0.24/1.44  # Proof object initial clauses used    : 16
% 0.24/1.44  # Proof object initial formulas used   : 5
% 0.24/1.44  # Proof object generating inferences   : 29
% 0.24/1.44  # Proof object simplifying inferences  : 7
% 0.24/1.44  # Training examples: 0 positive, 0 negative
% 0.24/1.44  # Parsed axioms                        : 13
% 0.24/1.44  # Removed by relevancy pruning/SinE    : 2
% 0.24/1.44  # Initial clauses                      : 23
% 0.24/1.44  # Removed in clause preprocessing      : 0
% 0.24/1.44  # Initial clauses in saturation        : 23
% 0.24/1.44  # Processed clauses                    : 351
% 0.24/1.44  # ...of these trivial                  : 6
% 0.24/1.44  # ...subsumed                          : 193
% 0.24/1.44  # ...remaining for further processing  : 152
% 0.24/1.44  # Other redundant clauses eliminated   : 12
% 0.24/1.44  # Clauses deleted for lack of memory   : 0
% 0.24/1.44  # Backward-subsumed                    : 20
% 0.24/1.44  # Backward-rewritten                   : 47
% 0.24/1.44  # Generated clauses                    : 1469
% 0.24/1.44  # ...of the previous two non-trivial   : 1258
% 0.24/1.44  # Contextual simplify-reflections      : 128
% 0.24/1.44  # Paramodulations                      : 1432
% 0.24/1.44  # Factorizations                       : 20
% 0.24/1.44  # Equation resolutions                 : 17
% 0.24/1.44  # Current number of processed clauses  : 85
% 0.24/1.44  #    Positive orientable unit clauses  : 12
% 0.24/1.44  #    Positive unorientable unit clauses: 1
% 0.24/1.44  #    Negative unit clauses             : 8
% 0.24/1.44  #    Non-unit-clauses                  : 64
% 0.24/1.44  # Current number of unprocessed clauses: 580
% 0.24/1.44  # ...number of literals in the above   : 1752
% 0.24/1.44  # Current number of archived formulas  : 0
% 0.24/1.44  # Current number of archived clauses   : 67
% 0.24/1.44  # Clause-clause subsumption calls (NU) : 6934
% 0.24/1.44  # Rec. Clause-clause subsumption calls : 5198
% 0.24/1.44  # Non-unit clause-clause subsumptions  : 265
% 0.24/1.44  # Unit Clause-clause subsumption calls : 404
% 0.24/1.44  # Rewrite failures with RHS unbound    : 0
% 0.24/1.44  # BW rewrite match attempts            : 15
% 0.24/1.44  # BW rewrite match successes           : 10
% 0.24/1.44  # Condensation attempts                : 0
% 0.24/1.44  # Condensation successes               : 0
% 0.24/1.44  # Termbank termtop insertions          : 16322
% 0.24/1.44  
% 0.24/1.44  # -------------------------------------------------
% 0.24/1.44  # User time                : 0.064 s
% 0.24/1.44  # System time              : 0.001 s
% 0.24/1.44  # Total time               : 0.065 s
% 0.24/1.44  # Maximum resident set size: 3568 pages
%------------------------------------------------------------------------------