TSTP Solution File: LCL153-1 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : LCL153-1 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n027.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 : Wed May 31 12:18:25 EDT 2023

% Result   : Unsatisfiable 0.15s 0.41s
% Output   : CNFRefutation 0.15s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   19
%            Number of leaves      :   11
% Syntax   : Number of formulae    :   68 (  68 unt;   0 def)
%            Number of atoms       :   68 (  67 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    4 (   4   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    4 (   2 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   3 con; 0-2 aty)
%            Number of variables   :   82 (;  82   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [X] : implies(truth,X) = X,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f2,axiom,
    ! [X,Y,Z] : implies(implies(X,Y),implies(implies(Y,Z),implies(X,Z))) = truth,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f3,axiom,
    ! [X,Y] : implies(implies(X,Y),Y) = implies(implies(Y,X),X),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f4,axiom,
    ! [X,Y] : implies(implies(not(X),not(Y)),implies(Y,X)) = truth,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f5,axiom,
    ! [X,Y] : or(X,Y) = implies(not(X),Y),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f7,axiom,
    ! [X,Y] : or(X,Y) = or(Y,X),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f8,axiom,
    ! [X,Y] : and(X,Y) = not(or(not(X),not(Y))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f11,axiom,
    ! [X,Y] : xor(X,Y) = or(and(X,not(Y)),and(not(X),Y)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f12,axiom,
    ! [X,Y] : xor(X,Y) = xor(Y,X),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f16,axiom,
    not(truth) = falsehood,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f17,negated_conjecture,
    not(x) != xor(x,truth),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f18,plain,
    ! [X0] : implies(truth,X0) = X0,
    inference(cnf_transformation,[status(esa)],[f1]) ).

fof(f19,plain,
    ! [X0,X1,X2] : implies(implies(X0,X1),implies(implies(X1,X2),implies(X0,X2))) = truth,
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f20,plain,
    ! [X0,X1] : implies(implies(X0,X1),X1) = implies(implies(X1,X0),X0),
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f21,plain,
    ! [X0,X1] : implies(implies(not(X0),not(X1)),implies(X1,X0)) = truth,
    inference(cnf_transformation,[status(esa)],[f4]) ).

fof(f22,plain,
    ! [X0,X1] : or(X0,X1) = implies(not(X0),X1),
    inference(cnf_transformation,[status(esa)],[f5]) ).

fof(f24,plain,
    ! [X0,X1] : or(X0,X1) = or(X1,X0),
    inference(cnf_transformation,[status(esa)],[f7]) ).

fof(f25,plain,
    ! [X0,X1] : and(X0,X1) = not(or(not(X0),not(X1))),
    inference(cnf_transformation,[status(esa)],[f8]) ).

fof(f28,plain,
    ! [X0,X1] : xor(X0,X1) = or(and(X0,not(X1)),and(not(X0),X1)),
    inference(cnf_transformation,[status(esa)],[f11]) ).

fof(f29,plain,
    ! [X0,X1] : xor(X0,X1) = xor(X1,X0),
    inference(cnf_transformation,[status(esa)],[f12]) ).

fof(f33,plain,
    not(truth) = falsehood,
    inference(cnf_transformation,[status(esa)],[f16]) ).

fof(f34,plain,
    not(x) != xor(x,truth),
    inference(cnf_transformation,[status(esa)],[f17]) ).

fof(f42,plain,
    not(x) != xor(truth,x),
    inference(forward_demodulation,[status(thm)],[f29,f34]) ).

fof(f43,plain,
    ! [X0,X1] : implies(or(X0,not(X1)),implies(X1,X0)) = truth,
    inference(backward_demodulation,[status(thm)],[f22,f21]) ).

fof(f45,plain,
    ! [X0] : implies(or(X0,not(truth)),X0) = truth,
    inference(paramodulation,[status(thm)],[f18,f43]) ).

fof(f46,plain,
    ! [X0] : implies(or(X0,falsehood),X0) = truth,
    inference(forward_demodulation,[status(thm)],[f33,f45]) ).

fof(f54,plain,
    ! [X0,X1] : implies(X0,implies(implies(X0,X1),implies(truth,X1))) = truth,
    inference(paramodulation,[status(thm)],[f18,f19]) ).

fof(f55,plain,
    ! [X0,X1] : implies(X0,implies(implies(X0,X1),X1)) = truth,
    inference(forward_demodulation,[status(thm)],[f18,f54]) ).

fof(f71,plain,
    ! [X0] : implies(implies(truth,X0),X0) = truth,
    inference(paramodulation,[status(thm)],[f18,f55]) ).

fof(f72,plain,
    ! [X0] : implies(X0,X0) = truth,
    inference(forward_demodulation,[status(thm)],[f18,f71]) ).

fof(f405,plain,
    ! [X0] : xor(truth,X0) = or(and(truth,not(X0)),and(falsehood,X0)),
    inference(paramodulation,[status(thm)],[f33,f28]) ).

fof(f406,plain,
    ! [X0] : xor(truth,X0) = or(and(falsehood,X0),and(truth,not(X0))),
    inference(forward_demodulation,[status(thm)],[f24,f405]) ).

fof(f420,plain,
    ! [X0] : implies(or(falsehood,X0),X0) = truth,
    inference(paramodulation,[status(thm)],[f24,f46]) ).

fof(f494,plain,
    ! [X0,X1] : or(X0,implies(implies(not(X0),X1),X1)) = truth,
    inference(paramodulation,[status(thm)],[f55,f22]) ).

fof(f495,plain,
    ! [X0,X1] : or(X0,implies(or(X0,X1),X1)) = truth,
    inference(forward_demodulation,[status(thm)],[f22,f494]) ).

fof(f496,plain,
    ! [X0] : or(X0,not(X0)) = truth,
    inference(paramodulation,[status(thm)],[f72,f22]) ).

fof(f497,plain,
    ! [X0] : or(truth,X0) = implies(falsehood,X0),
    inference(paramodulation,[status(thm)],[f33,f22]) ).

fof(f587,plain,
    implies(truth,not(falsehood)) = truth,
    inference(paramodulation,[status(thm)],[f496,f420]) ).

fof(f588,plain,
    not(falsehood) = truth,
    inference(forward_demodulation,[status(thm)],[f18,f587]) ).

fof(f598,plain,
    ! [X0] : or(falsehood,X0) = implies(truth,X0),
    inference(paramodulation,[status(thm)],[f588,f22]) ).

fof(f599,plain,
    ! [X0] : or(falsehood,X0) = X0,
    inference(forward_demodulation,[status(thm)],[f18,f598]) ).

fof(f631,plain,
    ! [X0] : or(X0,falsehood) = X0,
    inference(paramodulation,[status(thm)],[f24,f599]) ).

fof(f768,plain,
    ! [X0] : or(X0,truth) = implies(falsehood,X0),
    inference(paramodulation,[status(thm)],[f24,f497]) ).

fof(f797,plain,
    ! [X0] : or(X0,implies(implies(falsehood,X0),truth)) = truth,
    inference(paramodulation,[status(thm)],[f768,f495]) ).

fof(f814,plain,
    ! [X0] : implies(X0,X0) = implies(implies(X0,truth),truth),
    inference(paramodulation,[status(thm)],[f18,f20]) ).

fof(f815,plain,
    ! [X0] : truth = implies(implies(X0,truth),truth),
    inference(forward_demodulation,[status(thm)],[f72,f814]) ).

fof(f911,plain,
    ! [X0] : and(falsehood,X0) = not(or(truth,not(X0))),
    inference(paramodulation,[status(thm)],[f588,f25]) ).

fof(f912,plain,
    ! [X0] : and(falsehood,X0) = not(implies(falsehood,not(X0))),
    inference(forward_demodulation,[status(thm)],[f497,f911]) ).

fof(f913,plain,
    ! [X0] : and(truth,X0) = not(or(falsehood,not(X0))),
    inference(paramodulation,[status(thm)],[f33,f25]) ).

fof(f914,plain,
    ! [X0] : and(truth,X0) = not(not(X0)),
    inference(forward_demodulation,[status(thm)],[f599,f913]) ).

fof(f940,plain,
    ! [X0] : xor(truth,X0) = or(and(falsehood,X0),not(not(not(X0)))),
    inference(backward_demodulation,[status(thm)],[f914,f406]) ).

fof(f987,plain,
    ! [X0] : truth = implies(or(X0,truth),truth),
    inference(paramodulation,[status(thm)],[f22,f815]) ).

fof(f988,plain,
    ! [X0] : truth = implies(implies(falsehood,X0),truth),
    inference(forward_demodulation,[status(thm)],[f768,f987]) ).

fof(f1036,plain,
    ! [X0] : or(X0,truth) = truth,
    inference(backward_demodulation,[status(thm)],[f988,f797]) ).

fof(f1037,plain,
    ! [X0] : implies(falsehood,X0) = truth,
    inference(forward_demodulation,[status(thm)],[f768,f1036]) ).

fof(f1072,plain,
    ! [X0] : and(falsehood,X0) = not(truth),
    inference(backward_demodulation,[status(thm)],[f1037,f912]) ).

fof(f1073,plain,
    ! [X0] : and(falsehood,X0) = falsehood,
    inference(forward_demodulation,[status(thm)],[f33,f1072]) ).

fof(f1085,plain,
    ! [X0] : xor(truth,X0) = or(falsehood,not(not(not(X0)))),
    inference(backward_demodulation,[status(thm)],[f1073,f940]) ).

fof(f1086,plain,
    ! [X0] : xor(truth,X0) = not(not(not(X0))),
    inference(forward_demodulation,[status(thm)],[f599,f1085]) ).

fof(f1193,plain,
    ! [X0] : implies(implies(X0,falsehood),falsehood) = implies(truth,X0),
    inference(paramodulation,[status(thm)],[f1037,f20]) ).

fof(f1194,plain,
    ! [X0] : implies(implies(X0,falsehood),falsehood) = X0,
    inference(forward_demodulation,[status(thm)],[f18,f1193]) ).

fof(f2204,plain,
    ! [X0] : implies(or(X0,falsehood),falsehood) = not(X0),
    inference(paramodulation,[status(thm)],[f22,f1194]) ).

fof(f2205,plain,
    ! [X0] : implies(X0,falsehood) = not(X0),
    inference(forward_demodulation,[status(thm)],[f631,f2204]) ).

fof(f2284,plain,
    ! [X0] : not(implies(X0,falsehood)) = X0,
    inference(backward_demodulation,[status(thm)],[f2205,f1194]) ).

fof(f2285,plain,
    ! [X0] : not(not(X0)) = X0,
    inference(forward_demodulation,[status(thm)],[f2205,f2284]) ).

fof(f2294,plain,
    ! [X0] : xor(truth,X0) = not(X0),
    inference(backward_demodulation,[status(thm)],[f2285,f1086]) ).

fof(f2339,plain,
    not(x) != not(x),
    inference(backward_demodulation,[status(thm)],[f2294,f42]) ).

fof(f2340,plain,
    $false,
    inference(trivial_equality_resolution,[status(esa)],[f2339]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.05/0.12  % Problem  : LCL153-1 : TPTP v8.1.2. Released v1.0.0.
% 0.05/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.09/0.33  % Computer : n027.cluster.edu
% 0.09/0.33  % Model    : x86_64 x86_64
% 0.09/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.33  % Memory   : 8042.1875MB
% 0.09/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.09/0.33  % CPULimit : 300
% 0.09/0.33  % WCLimit  : 300
% 0.09/0.33  % DateTime : Tue May 30 10:02:18 EDT 2023
% 0.09/0.33  % CPUTime  : 
% 0.09/0.34  % Drodi V3.5.1
% 0.15/0.41  % Refutation found
% 0.15/0.41  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.15/0.41  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.15/0.42  % Elapsed time: 0.090079 seconds
% 0.15/0.42  % CPU time: 0.245014 seconds
% 0.15/0.42  % Memory used: 6.326 MB
%------------------------------------------------------------------------------