TSTP Solution File: LCL898+1 by CSE_E---1.5

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : LCL898+1 : TPTP v8.1.2. Released v5.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -jar /export/starexec/sandbox2/solver/bin/mcs_scs.jar %d %s

% Computer : n022.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  : 300s
% DateTime : Thu Aug 31 07:00:08 EDT 2023

% Result   : Theorem 0.76s 0.91s
% Output   : CNFRefutation 0.86s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :   20
% Syntax   : Number of formulae    :   93 (  72 unt;   7 typ;   0 def)
%            Number of atoms       :  105 (  49 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   35 (  16   ~;  13   |;   2   &)
%                                         (   1 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   2 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    6 (   3   >;   3   *;   0   +;   0  <<)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   4 con; 0-2 aty)
%            Number of variables   :  166 (   8 sgn;  50   !;   0   ?;   0   :)

% Comments : 
%------------------------------------------------------------------------------
tff(decl_22,type,
    '+': ( $i * $i ) > $i ).

tff(decl_23,type,
    '0': $i ).

tff(decl_24,type,
    '>=': ( $i * $i ) > $o ).

tff(decl_25,type,
    '==>': ( $i * $i ) > $i ).

tff(decl_26,type,
    '1': $i ).

tff(decl_27,type,
    esk1_0: $i ).

tff(decl_28,type,
    esk2_0: $i ).

fof(sos_14,axiom,
    ! [X1] : '+'(X1,'1') = '1',
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_14) ).

fof(sos_02,axiom,
    ! [X1,X2] : '+'(X1,X2) = '+'(X2,X1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_02) ).

fof(sos_12,axiom,
    ! [X1,X2] : '+'(X1,'==>'(X1,X2)) = '+'(X2,'==>'(X2,X1)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_12) ).

fof(sos_07,axiom,
    ! [X9,X10,X11] :
      ( '>='('+'(X9,X10),X11)
    <=> '>='(X10,'==>'(X9,X11)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_07) ).

fof(sos_04,axiom,
    ! [X1] : '>='(X1,X1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_04) ).

fof(sos_01,axiom,
    ! [X1,X2,X3] : '+'('+'(X1,X2),X3) = '+'(X1,'+'(X2,X3)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_01) ).

fof(sos_03,axiom,
    ! [X1] : '+'(X1,'0') = X1,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_03) ).

fof(sos_13,axiom,
    ! [X1] : '==>'('==>'(X1,'1'),'1') = X1,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_13) ).

fof(sos_06,axiom,
    ! [X7,X8] :
      ( ( '>='(X7,X8)
        & '>='(X8,X7) )
     => X7 = X8 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_06) ).

fof(sos_08,axiom,
    ! [X1] : '>='(X1,'0'),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_08) ).

fof(sos_09,axiom,
    ! [X12,X13,X14] :
      ( '>='(X12,X13)
     => '>='('+'(X12,X14),'+'(X13,X14)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_09) ).

fof(sos_11,axiom,
    ! [X18,X19,X20] :
      ( '>='(X18,X19)
     => '>='('==>'(X20,X18),'==>'(X20,X19)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_11) ).

fof(goals_15,conjecture,
    ! [X21,X22] : '==>'('==>'(X21,X22),X22) = '==>'('==>'(X22,X21),X21),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',goals_15) ).

fof(c_0_13,plain,
    ! [X51] : '+'(X51,'1') = '1',
    inference(variable_rename,[status(thm)],[sos_14]) ).

fof(c_0_14,plain,
    ! [X26,X27] : '+'(X26,X27) = '+'(X27,X26),
    inference(variable_rename,[status(thm)],[sos_02]) ).

cnf(c_0_15,plain,
    '+'(X1,'1') = '1',
    inference(split_conjunct,[status(thm)],[c_0_13]) ).

cnf(c_0_16,plain,
    '+'(X1,X2) = '+'(X2,X1),
    inference(split_conjunct,[status(thm)],[c_0_14]) ).

fof(c_0_17,plain,
    ! [X48,X49] : '+'(X48,'==>'(X48,X49)) = '+'(X49,'==>'(X49,X48)),
    inference(variable_rename,[status(thm)],[sos_12]) ).

fof(c_0_18,plain,
    ! [X35,X36,X37] :
      ( ( ~ '>='('+'(X35,X36),X37)
        | '>='(X36,'==>'(X35,X37)) )
      & ( ~ '>='(X36,'==>'(X35,X37))
        | '>='('+'(X35,X36),X37) ) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[sos_07])]) ).

fof(c_0_19,plain,
    ! [X29] : '>='(X29,X29),
    inference(variable_rename,[status(thm)],[sos_04]) ).

fof(c_0_20,plain,
    ! [X23,X24,X25] : '+'('+'(X23,X24),X25) = '+'(X23,'+'(X24,X25)),
    inference(variable_rename,[status(thm)],[sos_01]) ).

cnf(c_0_21,plain,
    '+'('1',X1) = '1',
    inference(spm,[status(thm)],[c_0_15,c_0_16]) ).

cnf(c_0_22,plain,
    '+'(X1,'==>'(X1,X2)) = '+'(X2,'==>'(X2,X1)),
    inference(split_conjunct,[status(thm)],[c_0_17]) ).

cnf(c_0_23,plain,
    ( '>='(X2,'==>'(X1,X3))
    | ~ '>='('+'(X1,X2),X3) ),
    inference(split_conjunct,[status(thm)],[c_0_18]) ).

cnf(c_0_24,plain,
    '>='(X1,X1),
    inference(split_conjunct,[status(thm)],[c_0_19]) ).

cnf(c_0_25,plain,
    '+'('+'(X1,X2),X3) = '+'(X1,'+'(X2,X3)),
    inference(split_conjunct,[status(thm)],[c_0_20]) ).

cnf(c_0_26,plain,
    '+'(X1,'==>'(X1,'1')) = '1',
    inference(spm,[status(thm)],[c_0_21,c_0_22]) ).

fof(c_0_27,plain,
    ! [X28] : '+'(X28,'0') = X28,
    inference(variable_rename,[status(thm)],[sos_03]) ).

cnf(c_0_28,plain,
    '>='(X1,'==>'(X2,'+'(X2,X1))),
    inference(spm,[status(thm)],[c_0_23,c_0_24]) ).

cnf(c_0_29,plain,
    '+'(X1,'+'('==>'(X1,'1'),X2)) = '1',
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_25,c_0_26]),c_0_21]) ).

cnf(c_0_30,plain,
    '+'(X1,'0') = X1,
    inference(split_conjunct,[status(thm)],[c_0_27]) ).

cnf(c_0_31,plain,
    ( '>='('+'(X2,X1),X3)
    | ~ '>='(X1,'==>'(X2,X3)) ),
    inference(split_conjunct,[status(thm)],[c_0_18]) ).

cnf(c_0_32,plain,
    '>='(X1,'==>'(X2,'+'(X1,X2))),
    inference(spm,[status(thm)],[c_0_28,c_0_16]) ).

cnf(c_0_33,plain,
    '+'(X1,'+'(X2,X3)) = '+'(X2,'+'(X3,X1)),
    inference(spm,[status(thm)],[c_0_25,c_0_16]) ).

cnf(c_0_34,plain,
    '+'(X1,'+'(X2,'==>'(X2,'==>'(X1,'1')))) = '1',
    inference(spm,[status(thm)],[c_0_29,c_0_22]) ).

fof(c_0_35,plain,
    ! [X50] : '==>'('==>'(X50,'1'),'1') = X50,
    inference(variable_rename,[status(thm)],[sos_13]) ).

fof(c_0_36,plain,
    ! [X33,X34] :
      ( ~ '>='(X33,X34)
      | ~ '>='(X34,X33)
      | X33 = X34 ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[sos_06])]) ).

cnf(c_0_37,plain,
    ( '>='('0','==>'(X1,X2))
    | ~ '>='(X1,X2) ),
    inference(spm,[status(thm)],[c_0_23,c_0_30]) ).

cnf(c_0_38,plain,
    '>='('+'(X1,X2),'+'(X2,X1)),
    inference(spm,[status(thm)],[c_0_31,c_0_32]) ).

fof(c_0_39,plain,
    ! [X38] : '>='(X38,'0'),
    inference(variable_rename,[status(thm)],[sos_08]) ).

cnf(c_0_40,plain,
    '+'(X1,'+'(X2,'==>'(X1,'==>'(X2,'1')))) = '1',
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_33,c_0_34]),c_0_16]) ).

cnf(c_0_41,plain,
    '==>'('==>'(X1,'1'),'1') = X1,
    inference(split_conjunct,[status(thm)],[c_0_35]) ).

cnf(c_0_42,plain,
    ( X1 = X2
    | ~ '>='(X1,X2)
    | ~ '>='(X2,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_36]) ).

cnf(c_0_43,plain,
    '>='('0','==>'('+'(X1,X2),'+'(X2,X1))),
    inference(spm,[status(thm)],[c_0_37,c_0_38]) ).

cnf(c_0_44,plain,
    '>='(X1,'0'),
    inference(split_conjunct,[status(thm)],[c_0_39]) ).

cnf(c_0_45,plain,
    '>='('+'(X1,'==>'(X2,'==>'(X1,'1'))),'==>'(X2,'1')),
    inference(spm,[status(thm)],[c_0_28,c_0_40]) ).

cnf(c_0_46,plain,
    '+'('==>'(X1,'1'),'+'(X2,'==>'(X2,X1))) = '1',
    inference(spm,[status(thm)],[c_0_34,c_0_41]) ).

cnf(c_0_47,plain,
    '==>'('+'(X1,X2),'+'(X2,X1)) = '0',
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_42,c_0_43]),c_0_44])]) ).

cnf(c_0_48,plain,
    '>='('==>'(X1,'==>'(X2,'1')),'==>'(X2,'==>'(X1,'1'))),
    inference(spm,[status(thm)],[c_0_23,c_0_45]) ).

cnf(c_0_49,plain,
    '+'(X1,'+'(X2,'==>'('+'(X2,X1),'1'))) = '1',
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_46,c_0_47]),c_0_30]),c_0_16]),c_0_25]) ).

cnf(c_0_50,plain,
    '==>'(X1,'==>'(X2,'1')) = '==>'(X2,'==>'(X1,'1')),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_42,c_0_48]),c_0_48])]) ).

fof(c_0_51,plain,
    ! [X39,X40,X41] :
      ( ~ '>='(X39,X40)
      | '>='('+'(X39,X41),'+'(X40,X41)) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[sos_09])]) ).

cnf(c_0_52,plain,
    '>='('+'(X1,'==>'('+'(X1,X2),'1')),'==>'(X2,'1')),
    inference(spm,[status(thm)],[c_0_28,c_0_49]) ).

cnf(c_0_53,plain,
    '==>'('==>'(X1,'1'),'==>'(X2,'1')) = '==>'(X2,X1),
    inference(spm,[status(thm)],[c_0_50,c_0_41]) ).

cnf(c_0_54,plain,
    '+'(X1,'+'(X2,'==>'(X1,'1'))) = '1',
    inference(spm,[status(thm)],[c_0_29,c_0_16]) ).

cnf(c_0_55,plain,
    '+'(X1,'+'('==>'(X1,X2),X3)) = '+'(X2,'+'('==>'(X2,X1),X3)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_25,c_0_22]),c_0_25]) ).

cnf(c_0_56,plain,
    ( '>='('+'(X1,X3),'+'(X2,X3))
    | ~ '>='(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_51]) ).

cnf(c_0_57,plain,
    '+'('0',X1) = X1,
    inference(spm,[status(thm)],[c_0_30,c_0_16]) ).

cnf(c_0_58,plain,
    '>='(X1,'==>'('+'(X2,X3),'+'(X2,'+'(X3,X1)))),
    inference(spm,[status(thm)],[c_0_28,c_0_25]) ).

cnf(c_0_59,plain,
    '>='('==>'('+'(X1,X2),'1'),'==>'(X1,'==>'(X2,'1'))),
    inference(spm,[status(thm)],[c_0_23,c_0_52]) ).

cnf(c_0_60,plain,
    '==>'('==>'(X1,'1'),X2) = '==>'('==>'(X2,'1'),X1),
    inference(spm,[status(thm)],[c_0_53,c_0_41]) ).

cnf(c_0_61,plain,
    '+'(X1,'+'('==>'(X1,X2),'==>'(X2,'1'))) = '1',
    inference(spm,[status(thm)],[c_0_54,c_0_55]) ).

fof(c_0_62,plain,
    ! [X45,X46,X47] :
      ( ~ '>='(X45,X46)
      | '>='('==>'(X47,X45),'==>'(X47,X46)) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[sos_11])]) ).

cnf(c_0_63,plain,
    '>='('+'(X1,X2),X2),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_56,c_0_44]),c_0_57]) ).

cnf(c_0_64,plain,
    '>='('==>'(X1,X2),'==>'('+'('==>'(X2,'1'),X1),'1')),
    inference(spm,[status(thm)],[c_0_58,c_0_46]) ).

cnf(c_0_65,plain,
    '>='('==>'('+'('==>'(X1,'1'),X2),'1'),'==>'(X2,X1)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_59,c_0_60]),c_0_41]) ).

cnf(c_0_66,plain,
    '>='('+'('==>'(X1,X2),'==>'(X2,'1')),'==>'(X1,'1')),
    inference(spm,[status(thm)],[c_0_28,c_0_61]) ).

cnf(c_0_67,plain,
    ( '>='('==>'(X3,X1),'==>'(X3,X2))
    | ~ '>='(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_62]) ).

cnf(c_0_68,plain,
    '>='('+'(X1,X2),X1),
    inference(spm,[status(thm)],[c_0_63,c_0_16]) ).

cnf(c_0_69,plain,
    '==>'('+'('==>'(X1,'1'),X2),'1') = '==>'(X2,X1),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_42,c_0_64]),c_0_65])]) ).

cnf(c_0_70,plain,
    '>='('==>'(X1,'1'),'==>'(X2,'==>'('==>'(X2,X1),'1'))),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_23,c_0_66]),c_0_50]) ).

cnf(c_0_71,plain,
    '>='('==>'(X1,X2),'==>'(X1,'+'(X2,'==>'(X2,X1)))),
    inference(spm,[status(thm)],[c_0_28,c_0_22]) ).

cnf(c_0_72,plain,
    '>='('==>'(X1,'+'(X2,X3)),'==>'(X1,X2)),
    inference(spm,[status(thm)],[c_0_67,c_0_68]) ).

cnf(c_0_73,plain,
    '==>'('==>'(X1,X2),'1') = '+'('==>'(X2,'1'),X1),
    inference(spm,[status(thm)],[c_0_41,c_0_69]) ).

cnf(c_0_74,plain,
    '>='(X1,'==>'('==>'(X1,X2),X2)),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_70,c_0_53]),c_0_41]),c_0_53]) ).

cnf(c_0_75,plain,
    '==>'(X1,'+'(X2,'==>'(X2,X1))) = '==>'(X1,X2),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_42,c_0_71]),c_0_72])]) ).

cnf(c_0_76,plain,
    '==>'('==>'(X1,'1'),'+'('==>'(X2,'1'),X3)) = '==>'('==>'(X3,X2),X1),
    inference(spm,[status(thm)],[c_0_53,c_0_73]) ).

cnf(c_0_77,plain,
    '>='('0','==>'(X1,'==>'('==>'(X1,X2),X2))),
    inference(spm,[status(thm)],[c_0_37,c_0_74]) ).

fof(c_0_78,negated_conjecture,
    ~ ! [X21,X22] : '==>'('==>'(X21,X22),X22) = '==>'('==>'(X22,X21),X21),
    inference(assume_negation,[status(cth)],[goals_15]) ).

cnf(c_0_79,plain,
    '==>'('==>'('==>'(X1,X2),X2),X1) = '==>'(X2,X1),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_75,c_0_76]),c_0_53]),c_0_53]) ).

cnf(c_0_80,plain,
    '==>'(X1,'==>'('==>'(X1,X2),X2)) = '0',
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_42,c_0_77]),c_0_44])]) ).

fof(c_0_81,negated_conjecture,
    '==>'('==>'(esk1_0,esk2_0),esk2_0) != '==>'('==>'(esk2_0,esk1_0),esk1_0),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_78])])]) ).

cnf(c_0_82,plain,
    '+'('==>'(X1,X2),'==>'('==>'(X2,X1),X1)) = X2,
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_22,c_0_79]),c_0_80]),c_0_30]),c_0_16]) ).

cnf(c_0_83,negated_conjecture,
    '==>'('==>'(esk1_0,esk2_0),esk2_0) != '==>'('==>'(esk2_0,esk1_0),esk1_0),
    inference(split_conjunct,[status(thm)],[c_0_81]) ).

cnf(c_0_84,plain,
    '==>'('==>'(X1,X2),X2) = '==>'('==>'(X2,X1),X1),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_82,c_0_79]),c_0_80]),c_0_57]) ).

cnf(c_0_85,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_83,c_0_84])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem    : LCL898+1 : TPTP v8.1.2. Released v5.5.0.
% 0.00/0.12  % Command    : java -jar /export/starexec/sandbox2/solver/bin/mcs_scs.jar %d %s
% 0.13/0.34  % Computer : n022.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit   : 300
% 0.13/0.34  % WCLimit    : 300
% 0.13/0.34  % DateTime   : Thu Aug 24 17:22:25 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.19/0.56  start to proof: theBenchmark
% 0.76/0.91  % Version  : CSE_E---1.5
% 0.76/0.91  % Problem  : theBenchmark.p
% 0.76/0.91  % Proof found
% 0.76/0.91  % SZS status Theorem for theBenchmark.p
% 0.76/0.91  % SZS output start Proof
% See solution above
% 0.86/0.92  % Total time : 0.342000 s
% 0.86/0.92  % SZS output end Proof
% 0.86/0.92  % Total time : 0.345000 s
%------------------------------------------------------------------------------