TSTP Solution File: LCL896+1 by CSE_E---1.5

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : LCL896+1 : TPTP v8.1.2. Released v5.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -jar /export/starexec/sandbox/solver/bin/mcs_scs.jar %d %s

% Computer : n003.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 07:00:07 EDT 2023

% Result   : Theorem 2.84s 2.93s
% Output   : CNFRefutation 2.84s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   18
% Syntax   : Number of formulae    :   65 (  40 unt;   6 typ;   0 def)
%            Number of atoms       :   83 (  31 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   44 (  20   ~;  17   |;   2   &)
%                                         (   1 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    6 (   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    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :  122 (   6 sgn;  54   !;   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 ).

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

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

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

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

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

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

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

fof(sos_10,axiom,
    ! [X15,X16,X17] :
      ( '>='(X15,X16)
     => '>='('==>'(X16,X17),'==>'(X15,X17)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',sos_10) ).

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

fof(sos_12,axiom,
    ! [X1,X2,X3] : '+'('+'(X1,'==>'(X1,X2)),'==>'('+'(X1,'==>'(X1,X2)),X3)) = '+'(X1,'==>'(X1,'+'(X2,'==>'(X2,X3)))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',sos_12) ).

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

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

fof(c_0_12,plain,
    ! [X28] : '+'(X28,'0') = X28,
    inference(variable_rename,[status(thm)],[sos_03]) ).

fof(c_0_13,plain,
    ! [X26,X27] : '+'(X26,X27) = '+'(X27,X26),
    inference(variable_rename,[status(thm)],[sos_02]) ).

fof(c_0_14,plain,
    ! [X39,X40,X41] :
      ( ~ '>='(X39,X40)
      | '>='('+'(X39,X41),'+'(X40,X41)) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[sos_09])]) ).

fof(c_0_15,plain,
    ! [X38] : '>='(X38,'0'),
    inference(variable_rename,[status(thm)],[sos_08]) ).

cnf(c_0_16,plain,
    '+'(X1,'0') = X1,
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_17,plain,
    '+'(X1,X2) = '+'(X2,X1),
    inference(split_conjunct,[status(thm)],[c_0_13]) ).

cnf(c_0_18,plain,
    ( '>='('+'(X1,X3),'+'(X2,X3))
    | ~ '>='(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_14]) ).

cnf(c_0_19,plain,
    '>='(X1,'0'),
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

cnf(c_0_20,plain,
    '+'('0',X1) = X1,
    inference(spm,[status(thm)],[c_0_16,c_0_17]) ).

fof(c_0_21,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])]) ).

cnf(c_0_22,plain,
    '>='('+'(X1,X2),X2),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_18,c_0_19]),c_0_20]) ).

fof(c_0_23,plain,
    ! [X33,X34] :
      ( ~ '>='(X33,X34)
      | ~ '>='(X34,X33)
      | X33 = X34 ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[sos_06])]) ).

fof(c_0_24,plain,
    ! [X29] : '>='(X29,X29),
    inference(variable_rename,[status(thm)],[sos_04]) ).

cnf(c_0_25,plain,
    ( '>='(X2,'==>'(X1,X3))
    | ~ '>='('+'(X1,X2),X3) ),
    inference(split_conjunct,[status(thm)],[c_0_21]) ).

cnf(c_0_26,plain,
    '>='('+'(X1,X2),X1),
    inference(spm,[status(thm)],[c_0_22,c_0_17]) ).

fof(c_0_27,plain,
    ! [X42,X43,X44] :
      ( ~ '>='(X42,X43)
      | '>='('==>'(X43,X44),'==>'(X42,X44)) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[sos_10])]) ).

cnf(c_0_28,plain,
    ( X1 = X2
    | ~ '>='(X1,X2)
    | ~ '>='(X2,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_23]) ).

cnf(c_0_29,plain,
    '>='(X1,X1),
    inference(split_conjunct,[status(thm)],[c_0_24]) ).

fof(c_0_30,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_31,plain,
    ( '>='('+'(X2,X1),X3)
    | ~ '>='(X1,'==>'(X2,X3)) ),
    inference(split_conjunct,[status(thm)],[c_0_21]) ).

fof(c_0_32,plain,
    ! [X48,X49,X50] : '+'('+'(X48,'==>'(X48,X49)),'==>'('+'(X48,'==>'(X48,X49)),X50)) = '+'(X48,'==>'(X48,'+'(X49,'==>'(X49,X50)))),
    inference(variable_rename,[status(thm)],[sos_12]) ).

fof(c_0_33,plain,
    ! [X23,X24,X25] : '+'('+'(X23,X24),X25) = '+'(X23,'+'(X24,X25)),
    inference(variable_rename,[status(thm)],[sos_01]) ).

cnf(c_0_34,plain,
    '>='(X1,'==>'(X2,X2)),
    inference(spm,[status(thm)],[c_0_25,c_0_26]) ).

cnf(c_0_35,plain,
    ( '>='('==>'(X2,X3),'==>'(X1,X3))
    | ~ '>='(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_27]) ).

cnf(c_0_36,plain,
    ( '0' = X1
    | ~ '>='('0',X1) ),
    inference(spm,[status(thm)],[c_0_28,c_0_19]) ).

cnf(c_0_37,plain,
    '>='(X1,'==>'(X2,'+'(X2,X1))),
    inference(spm,[status(thm)],[c_0_25,c_0_29]) ).

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

cnf(c_0_39,plain,
    '>='('+'(X1,'==>'(X1,X2)),X2),
    inference(spm,[status(thm)],[c_0_31,c_0_29]) ).

cnf(c_0_40,plain,
    '+'('+'(X1,'==>'(X1,X2)),'==>'('+'(X1,'==>'(X1,X2)),X3)) = '+'(X1,'==>'(X1,'+'(X2,'==>'(X2,X3)))),
    inference(split_conjunct,[status(thm)],[c_0_32]) ).

cnf(c_0_41,plain,
    '+'('+'(X1,X2),X3) = '+'(X1,'+'(X2,X3)),
    inference(split_conjunct,[status(thm)],[c_0_33]) ).

cnf(c_0_42,plain,
    ( '==>'(X1,X1) = X2
    | ~ '>='('==>'(X1,X1),X2) ),
    inference(spm,[status(thm)],[c_0_28,c_0_34]) ).

cnf(c_0_43,plain,
    '>='('==>'(X1,X2),'==>'('+'(X1,X3),X2)),
    inference(spm,[status(thm)],[c_0_35,c_0_26]) ).

cnf(c_0_44,plain,
    '0' = '==>'(X1,X1),
    inference(spm,[status(thm)],[c_0_36,c_0_34]) ).

cnf(c_0_45,plain,
    ( '==>'(X1,'+'(X1,X2)) = X2
    | ~ '>='('==>'(X1,'+'(X1,X2)),X2) ),
    inference(spm,[status(thm)],[c_0_28,c_0_37]) ).

cnf(c_0_46,plain,
    '>='('==>'(X1,'+'(X2,'==>'(X2,X3))),'==>'(X1,X3)),
    inference(spm,[status(thm)],[c_0_38,c_0_39]) ).

cnf(c_0_47,plain,
    '+'(X1,'+'('==>'(X1,X2),'==>'('+'(X1,'==>'(X1,X2)),X3))) = '+'(X1,'==>'(X1,'+'(X2,'==>'(X2,X3)))),
    inference(rw,[status(thm)],[c_0_40,c_0_41]) ).

cnf(c_0_48,plain,
    '==>'('+'(X1,X2),X1) = '==>'(X1,X1),
    inference(spm,[status(thm)],[c_0_42,c_0_43]) ).

cnf(c_0_49,plain,
    '+'(X1,'==>'(X2,X2)) = X1,
    inference(spm,[status(thm)],[c_0_16,c_0_44]) ).

cnf(c_0_50,plain,
    '==>'(X1,'+'(X1,'==>'(X1,X2))) = '==>'(X1,X2),
    inference(spm,[status(thm)],[c_0_45,c_0_46]) ).

cnf(c_0_51,plain,
    '+'(X1,'==>'(X1,'+'(X2,'==>'(X2,X1)))) = '+'(X1,'==>'(X1,X2)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_47,c_0_48]),c_0_49]) ).

fof(c_0_52,negated_conjecture,
    ~ ! [X21,X22] : '+'(X21,'==>'(X21,X22)) = '+'(X22,'==>'(X22,X21)),
    inference(assume_negation,[status(cth)],[goals_13]) ).

cnf(c_0_53,plain,
    '==>'(X1,'+'(X2,'==>'(X2,X1))) = '==>'(X1,X2),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_50,c_0_51]),c_0_50]) ).

fof(c_0_54,negated_conjecture,
    '+'(esk1_0,'==>'(esk1_0,esk2_0)) != '+'(esk2_0,'==>'(esk2_0,esk1_0)),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_52])])]) ).

cnf(c_0_55,plain,
    '>='('+'(X1,'==>'(X1,X2)),'+'(X2,'==>'(X2,X1))),
    inference(spm,[status(thm)],[c_0_39,c_0_53]) ).

cnf(c_0_56,negated_conjecture,
    '+'(esk1_0,'==>'(esk1_0,esk2_0)) != '+'(esk2_0,'==>'(esk2_0,esk1_0)),
    inference(split_conjunct,[status(thm)],[c_0_54]) ).

cnf(c_0_57,plain,
    '+'(X1,'==>'(X1,X2)) = '+'(X2,'==>'(X2,X1)),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_28,c_0_55]),c_0_55])]) ).

cnf(c_0_58,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_56,c_0_57])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem    : LCL896+1 : TPTP v8.1.2. Released v5.5.0.
% 0.12/0.13  % Command    : java -jar /export/starexec/sandbox/solver/bin/mcs_scs.jar %d %s
% 0.13/0.33  % Computer : n003.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit   : 300
% 0.13/0.33  % WCLimit    : 300
% 0.13/0.33  % DateTime   : Fri Aug 25 04:26:53 EDT 2023
% 0.13/0.33  % CPUTime  : 
% 0.18/0.55  start to proof: theBenchmark
% 2.84/2.93  % Version  : CSE_E---1.5
% 2.84/2.93  % Problem  : theBenchmark.p
% 2.84/2.93  % Proof found
% 2.84/2.93  % SZS status Theorem for theBenchmark.p
% 2.84/2.93  % SZS output start Proof
% See solution above
% 2.84/2.94  % Total time : 2.373000 s
% 2.84/2.94  % SZS output end Proof
% 2.84/2.94  % Total time : 2.376000 s
%------------------------------------------------------------------------------