TSTP Solution File: LCL888+1 by CSE_E---1.5

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : LCL888+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 : n001.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 07:00:05 EDT 2023

% Result   : Theorem 3.87s 3.99s
% Output   : CNFRefutation 3.87s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   19
%            Number of leaves      :   18
% Syntax   : Number of formulae    :   91 (  65 unt;   7 typ;   0 def)
%            Number of atoms       :  114 (  45 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   51 (  21   ~;  17   |;   7   &)
%                                         (   1 <=>;   5  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   2 avg)
%            Maximal term depth    :    4 (   1 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   :  128 (  21 sgn;  48   !;   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,
    esk1_0: $i ).

tff(decl_27,type,
    esk2_0: $i ).

tff(decl_28,type,
    esk3_0: $i ).

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

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

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

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

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

fof(goals_13,conjecture,
    ! [X21,X22,X23] :
      ( ( X21 = '==>'(X21,X22)
        & X23 = '==>'(X23,X22) )
     => X21 = X23 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',goals_13) ).

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

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

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

fof(sos_05,axiom,
    ! [X4,X5,X6] :
      ( ( '>='(X4,X5)
        & '>='(X5,X6) )
     => '>='(X4,X6) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sos_05) ).

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

fof(c_0_11,plain,
    ! [X29] : '+'(X29,'0') = X29,
    inference(variable_rename,[status(thm)],[sos_03]) ).

fof(c_0_12,plain,
    ! [X27,X28] : '+'(X27,X28) = '+'(X28,X27),
    inference(variable_rename,[status(thm)],[sos_02]) ).

fof(c_0_13,plain,
    ! [X40,X41,X42] :
      ( ~ '>='(X40,X41)
      | '>='('+'(X40,X42),'+'(X41,X42)) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[sos_09])]) ).

fof(c_0_14,plain,
    ! [X39] : '>='(X39,'0'),
    inference(variable_rename,[status(thm)],[sos_08]) ).

cnf(c_0_15,plain,
    '+'(X1,'0') = X1,
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_16,plain,
    '+'(X1,X2) = '+'(X2,X1),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

fof(c_0_17,plain,
    ! [X36,X37,X38] :
      ( ( ~ '>='('+'(X36,X37),X38)
        | '>='(X37,'==>'(X36,X38)) )
      & ( ~ '>='(X37,'==>'(X36,X38))
        | '>='('+'(X36,X37),X38) ) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[sos_07])]) ).

cnf(c_0_18,plain,
    ( '>='('+'(X1,X3),'+'(X2,X3))
    | ~ '>='(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_13]) ).

cnf(c_0_19,plain,
    '>='(X1,'0'),
    inference(split_conjunct,[status(thm)],[c_0_14]) ).

cnf(c_0_20,plain,
    '+'('0',X1) = X1,
    inference(spm,[status(thm)],[c_0_15,c_0_16]) ).

fof(c_0_21,negated_conjecture,
    ~ ! [X21,X22,X23] :
        ( ( X21 = '==>'(X21,X22)
          & X23 = '==>'(X23,X22) )
       => X21 = X23 ),
    inference(assume_negation,[status(cth)],[goals_13]) ).

fof(c_0_22,plain,
    ! [X49,X50] : '+'(X49,'==>'(X49,X50)) = '+'(X50,'==>'(X50,X49)),
    inference(variable_rename,[status(thm)],[sos_12]) ).

fof(c_0_23,plain,
    ! [X34,X35] :
      ( ~ '>='(X34,X35)
      | ~ '>='(X35,X34)
      | X34 = X35 ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[sos_06])]) ).

cnf(c_0_24,plain,
    ( '>='(X2,'==>'(X1,X3))
    | ~ '>='('+'(X1,X2),X3) ),
    inference(split_conjunct,[status(thm)],[c_0_17]) ).

cnf(c_0_25,plain,
    '>='('+'(X1,X2),X2),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_18,c_0_19]),c_0_20]) ).

fof(c_0_26,negated_conjecture,
    ( esk1_0 = '==>'(esk1_0,esk2_0)
    & esk3_0 = '==>'(esk3_0,esk2_0)
    & esk1_0 != esk3_0 ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_21])])]) ).

fof(c_0_27,plain,
    ! [X24,X25,X26] : '+'('+'(X24,X25),X26) = '+'(X24,'+'(X25,X26)),
    inference(variable_rename,[status(thm)],[sos_01]) ).

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

cnf(c_0_29,plain,
    ( X1 = X2
    | ~ '>='(X1,X2)
    | ~ '>='(X2,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_23]) ).

fof(c_0_30,plain,
    ! [X31,X32,X33] :
      ( ~ '>='(X31,X32)
      | ~ '>='(X32,X33)
      | '>='(X31,X33) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[sos_05])]) ).

cnf(c_0_31,plain,
    '>='(X1,'==>'(X2,X1)),
    inference(spm,[status(thm)],[c_0_24,c_0_25]) ).

cnf(c_0_32,negated_conjecture,
    esk1_0 = '==>'(esk1_0,esk2_0),
    inference(split_conjunct,[status(thm)],[c_0_26]) ).

cnf(c_0_33,plain,
    '+'('+'(X1,X2),X3) = '+'(X1,'+'(X2,X3)),
    inference(split_conjunct,[status(thm)],[c_0_27]) ).

cnf(c_0_34,plain,
    '+'(X1,'==>'(X1,'0')) = '==>'('0',X1),
    inference(spm,[status(thm)],[c_0_20,c_0_28]) ).

cnf(c_0_35,plain,
    ( '0' = X1
    | ~ '>='('0',X1) ),
    inference(spm,[status(thm)],[c_0_29,c_0_19]) ).

cnf(c_0_36,plain,
    '>='(X1,'==>'(X2,'0')),
    inference(spm,[status(thm)],[c_0_24,c_0_19]) ).

cnf(c_0_37,negated_conjecture,
    esk3_0 = '==>'(esk3_0,esk2_0),
    inference(split_conjunct,[status(thm)],[c_0_26]) ).

cnf(c_0_38,plain,
    ( '>='(X1,X3)
    | ~ '>='(X1,X2)
    | ~ '>='(X2,X3) ),
    inference(split_conjunct,[status(thm)],[c_0_30]) ).

cnf(c_0_39,negated_conjecture,
    '>='(esk2_0,esk1_0),
    inference(spm,[status(thm)],[c_0_31,c_0_32]) ).

cnf(c_0_40,plain,
    '>='('+'(X1,X2),X1),
    inference(spm,[status(thm)],[c_0_25,c_0_16]) ).

cnf(c_0_41,plain,
    '+'(X1,'+'('==>'(X1,'0'),X2)) = '+'('==>'('0',X1),X2),
    inference(spm,[status(thm)],[c_0_33,c_0_34]) ).

cnf(c_0_42,plain,
    '==>'(X1,'0') = '0',
    inference(spm,[status(thm)],[c_0_35,c_0_36]) ).

cnf(c_0_43,negated_conjecture,
    '>='(esk2_0,esk3_0),
    inference(spm,[status(thm)],[c_0_31,c_0_37]) ).

cnf(c_0_44,negated_conjecture,
    ( '>='(X1,esk1_0)
    | ~ '>='(X1,esk2_0) ),
    inference(spm,[status(thm)],[c_0_38,c_0_39]) ).

cnf(c_0_45,plain,
    '>='('+'('==>'('0',X1),X2),X1),
    inference(spm,[status(thm)],[c_0_40,c_0_41]) ).

cnf(c_0_46,plain,
    '==>'('0',X1) = X1,
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_34,c_0_42]),c_0_15]) ).

cnf(c_0_47,negated_conjecture,
    ( '>='(X1,esk3_0)
    | ~ '>='(X1,esk2_0) ),
    inference(spm,[status(thm)],[c_0_38,c_0_43]) ).

cnf(c_0_48,negated_conjecture,
    '>='('+'(esk2_0,X1),esk1_0),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_44,c_0_45]),c_0_46]) ).

cnf(c_0_49,negated_conjecture,
    '>='('+'(esk2_0,X1),esk3_0),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_47,c_0_45]),c_0_46]) ).

cnf(c_0_50,plain,
    '>='('+'(X1,'==>'(X1,X2)),X2),
    inference(spm,[status(thm)],[c_0_40,c_0_28]) ).

cnf(c_0_51,negated_conjecture,
    '>='(X1,'==>'(esk2_0,esk1_0)),
    inference(spm,[status(thm)],[c_0_24,c_0_48]) ).

cnf(c_0_52,negated_conjecture,
    '>='(X1,'==>'(esk2_0,esk3_0)),
    inference(spm,[status(thm)],[c_0_24,c_0_49]) ).

cnf(c_0_53,plain,
    '>='('+'(X1,'+'('==>'(X1,X2),X3)),'+'(X2,X3)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_18,c_0_50]),c_0_33]) ).

cnf(c_0_54,negated_conjecture,
    '==>'(esk2_0,esk1_0) = '0',
    inference(spm,[status(thm)],[c_0_35,c_0_51]) ).

cnf(c_0_55,negated_conjecture,
    '==>'(esk2_0,esk3_0) = '0',
    inference(spm,[status(thm)],[c_0_35,c_0_52]) ).

cnf(c_0_56,plain,
    '>='('+'('==>'(X1,X2),X3),'==>'(X1,'+'(X2,X3))),
    inference(spm,[status(thm)],[c_0_24,c_0_53]) ).

cnf(c_0_57,negated_conjecture,
    '+'(esk1_0,esk1_0) = esk2_0,
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_28,c_0_54]),c_0_15]),c_0_32]) ).

cnf(c_0_58,negated_conjecture,
    '+'(esk3_0,esk3_0) = esk2_0,
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_28,c_0_55]),c_0_15]),c_0_37]) ).

cnf(c_0_59,negated_conjecture,
    '>='('+'(esk1_0,'==>'(X1,esk1_0)),'==>'(X1,esk2_0)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_56,c_0_57]),c_0_16]) ).

cnf(c_0_60,negated_conjecture,
    '>='('+'(esk3_0,'==>'(X1,esk3_0)),'==>'(X1,esk2_0)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_56,c_0_58]),c_0_16]) ).

cnf(c_0_61,plain,
    '>='('+'(X1,'+'(X2,X3)),X3),
    inference(spm,[status(thm)],[c_0_25,c_0_33]) ).

cnf(c_0_62,negated_conjecture,
    '>='('+'(esk1_0,'==>'(esk3_0,esk1_0)),esk3_0),
    inference(spm,[status(thm)],[c_0_59,c_0_37]) ).

cnf(c_0_63,negated_conjecture,
    '>='('+'(esk3_0,'==>'(esk1_0,esk3_0)),esk1_0),
    inference(spm,[status(thm)],[c_0_60,c_0_32]) ).

cnf(c_0_64,plain,
    '>='('+'(X1,'+'(X2,X3)),X2),
    inference(spm,[status(thm)],[c_0_61,c_0_16]) ).

fof(c_0_65,plain,
    ! [X30] : '>='(X30,X30),
    inference(variable_rename,[status(thm)],[sos_04]) ).

cnf(c_0_66,negated_conjecture,
    '>='('==>'(esk3_0,esk1_0),'==>'(esk1_0,esk3_0)),
    inference(spm,[status(thm)],[c_0_24,c_0_62]) ).

cnf(c_0_67,negated_conjecture,
    '>='('==>'(esk1_0,esk3_0),'==>'(esk3_0,esk1_0)),
    inference(spm,[status(thm)],[c_0_24,c_0_63]) ).

cnf(c_0_68,plain,
    '>='('+'(X1,X2),'==>'(X3,X1)),
    inference(spm,[status(thm)],[c_0_24,c_0_64]) ).

cnf(c_0_69,plain,
    '>='(X1,X1),
    inference(split_conjunct,[status(thm)],[c_0_65]) ).

cnf(c_0_70,negated_conjecture,
    '+'(esk3_0,'+'(esk3_0,X1)) = '+'(esk2_0,X1),
    inference(spm,[status(thm)],[c_0_33,c_0_58]) ).

cnf(c_0_71,plain,
    '+'(X1,'+'('==>'(X1,X2),X3)) = '+'(X2,'+'('==>'(X2,X1),X3)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_33,c_0_28]),c_0_33]) ).

cnf(c_0_72,negated_conjecture,
    '==>'(esk3_0,esk1_0) = '==>'(esk1_0,esk3_0),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_66]),c_0_67])]) ).

cnf(c_0_73,plain,
    '>='(X1,'==>'(X2,'==>'(X3,X2))),
    inference(spm,[status(thm)],[c_0_24,c_0_68]) ).

cnf(c_0_74,plain,
    '>='(X1,'==>'(X2,'+'(X2,X1))),
    inference(spm,[status(thm)],[c_0_24,c_0_69]) ).

cnf(c_0_75,negated_conjecture,
    '+'(esk3_0,'+'(X1,'==>'(X1,esk3_0))) = '+'(esk2_0,'==>'(esk3_0,X1)),
    inference(spm,[status(thm)],[c_0_70,c_0_28]) ).

cnf(c_0_76,negated_conjecture,
    '+'(esk3_0,'+'('==>'(esk1_0,esk3_0),X1)) = '+'(esk1_0,'+'('==>'(esk1_0,esk3_0),X1)),
    inference(spm,[status(thm)],[c_0_71,c_0_72]) ).

cnf(c_0_77,plain,
    '==>'(X1,'==>'(X2,X1)) = '0',
    inference(spm,[status(thm)],[c_0_35,c_0_73]) ).

cnf(c_0_78,plain,
    ( '==>'(X1,'+'(X1,X2)) = X2
    | ~ '>='('==>'(X1,'+'(X1,X2)),X2) ),
    inference(spm,[status(thm)],[c_0_29,c_0_74]) ).

cnf(c_0_79,negated_conjecture,
    '+'(esk1_0,esk3_0) = esk2_0,
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_75,c_0_76]),c_0_28]),c_0_77]),c_0_15]),c_0_77]),c_0_15]) ).

cnf(c_0_80,negated_conjecture,
    esk1_0 != esk3_0,
    inference(split_conjunct,[status(thm)],[c_0_26]) ).

cnf(c_0_81,plain,
    '>='(X1,'==>'(X2,'+'(X1,X2))),
    inference(spm,[status(thm)],[c_0_74,c_0_16]) ).

cnf(c_0_82,negated_conjecture,
    ~ '>='(esk1_0,esk3_0),
    inference(sr,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_78,c_0_79]),c_0_32]),c_0_32]),c_0_80]) ).

cnf(c_0_83,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_81,c_0_79]),c_0_37]),c_0_82]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem    : LCL888+1 : TPTP v8.1.2. Released v5.5.0.
% 0.00/0.13  % Command    : java -jar /export/starexec/sandbox2/solver/bin/mcs_scs.jar %d %s
% 0.13/0.34  % Computer : n001.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   : Fri Aug 25 00:40:42 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.19/0.56  start to proof: theBenchmark
% 3.87/3.99  % Version  : CSE_E---1.5
% 3.87/3.99  % Problem  : theBenchmark.p
% 3.87/3.99  % Proof found
% 3.87/3.99  % SZS status Theorem for theBenchmark.p
% 3.87/3.99  % SZS output start Proof
% See solution above
% 3.87/3.99  % Total time : 3.420000 s
% 3.87/3.99  % SZS output end Proof
% 3.87/3.99  % Total time : 3.423000 s
%------------------------------------------------------------------------------