TSTP Solution File: LCL109-3 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : LCL109-3 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n017.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 12:18:17 EDT 2023

% Result   : Unsatisfiable 26.65s 3.73s
% Output   : CNFRefutation 26.78s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   16
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   53 (  53 unt;   0 def)
%            Number of atoms       :   53 (  52 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    6 (   6   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    4 (   3 avg)
%            Maximal term depth    :    8 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :  105 (; 105   !;   0   ?)

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

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

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

fof(f8,axiom,
    ! [X,Y] : implies(X,implies(Y,X)) = truth,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f10,axiom,
    ! [X,Y,Z] : implies(implies(X,Y),implies(implies(Z,X),implies(Z,Y))) = truth,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f11,axiom,
    ! [X,Y,Z] : implies(X,implies(Y,Z)) = implies(Y,implies(X,Z)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f13,axiom,
    ! [X] : not(not(X)) = X,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f14,axiom,
    ! [X,Y] : implies(not(X),not(Y)) = implies(Y,X),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f15,negated_conjecture,
    implies(implies(implies(a,b),implies(b,a)),implies(b,a)) != truth,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f16,plain,
    ! [X0] : implies(truth,X0) = X0,
    inference(cnf_transformation,[status(esa)],[f1]) ).

fof(f18,plain,
    ! [X0,X1] : implies(implies(X0,X1),X1) = implies(implies(X1,X0),X0),
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f19,plain,
    ! [X0,X1] : implies(implies(not(X0),not(X1)),implies(X1,X0)) = truth,
    inference(cnf_transformation,[status(esa)],[f4]) ).

fof(f23,plain,
    ! [X0,X1] : implies(X0,implies(X1,X0)) = truth,
    inference(cnf_transformation,[status(esa)],[f8]) ).

fof(f26,plain,
    ! [X0,X1,X2] : implies(implies(X0,X1),implies(implies(X2,X0),implies(X2,X1))) = truth,
    inference(cnf_transformation,[status(esa)],[f10]) ).

fof(f27,plain,
    ! [X0,X1,X2] : implies(X0,implies(X1,X2)) = implies(X1,implies(X0,X2)),
    inference(cnf_transformation,[status(esa)],[f11]) ).

fof(f29,plain,
    ! [X0] : not(not(X0)) = X0,
    inference(cnf_transformation,[status(esa)],[f13]) ).

fof(f30,plain,
    ! [X0,X1] : implies(not(X0),not(X1)) = implies(X1,X0),
    inference(cnf_transformation,[status(esa)],[f14]) ).

fof(f31,plain,
    implies(implies(implies(a,b),implies(b,a)),implies(b,a)) != truth,
    inference(cnf_transformation,[status(esa)],[f15]) ).

fof(f32,plain,
    implies(b,implies(implies(implies(a,b),implies(b,a)),a)) != truth,
    inference(forward_demodulation,[status(thm)],[f27,f31]) ).

fof(f33,plain,
    implies(b,implies(implies(b,implies(implies(a,b),a)),a)) != truth,
    inference(forward_demodulation,[status(thm)],[f27,f32]) ).

fof(f34,plain,
    ! [X0,X1] : implies(implies(X0,X1),implies(X0,X1)) = truth,
    inference(backward_demodulation,[status(thm)],[f30,f19]) ).

fof(f35,plain,
    ! [X0,X1] : implies(X0,implies(implies(X0,X1),X1)) = truth,
    inference(forward_demodulation,[status(thm)],[f27,f34]) ).

fof(f130,plain,
    ! [X0,X1] : implies(truth,implies(X0,X1)) = implies(implies(implies(X0,X1),X1),X1),
    inference(paramodulation,[status(thm)],[f23,f18]) ).

fof(f131,plain,
    ! [X0,X1] : implies(X0,X1) = implies(implies(implies(X0,X1),X1),X1),
    inference(forward_demodulation,[status(thm)],[f16,f130]) ).

fof(f367,plain,
    ! [X0,X1,X2] : implies(X0,implies(X1,X2)) = implies(X1,implies(implies(implies(X0,implies(X1,X2)),implies(X1,X2)),X2)),
    inference(paramodulation,[status(thm)],[f27,f131]) ).

fof(f368,plain,
    ! [X0,X1,X2] : implies(X0,implies(X1,X2)) = implies(X1,implies(implies(X1,implies(implies(X0,implies(X1,X2)),X2)),X2)),
    inference(forward_demodulation,[status(thm)],[f27,f367]) ).

fof(f372,plain,
    ! [X0,X1] : implies(X0,X1) = implies(implies(implies(X1,X0),X0),X1),
    inference(paramodulation,[status(thm)],[f18,f131]) ).

fof(f771,plain,
    ! [X0,X1,X2] : implies(implies(implies(implies(X0,X1),implies(X0,X2)),implies(X1,X2)),implies(X1,X2)) = implies(truth,implies(implies(X0,X1),implies(X0,X2))),
    inference(paramodulation,[status(thm)],[f26,f18]) ).

fof(f772,plain,
    ! [X0,X1,X2] : implies(X0,implies(implies(implies(implies(X1,X0),implies(X1,X2)),implies(X0,X2)),X2)) = implies(truth,implies(implies(X1,X0),implies(X1,X2))),
    inference(forward_demodulation,[status(thm)],[f27,f771]) ).

fof(f773,plain,
    ! [X0,X1,X2] : implies(X0,implies(implies(X0,implies(implies(implies(X1,X0),implies(X1,X2)),X2)),X2)) = implies(truth,implies(implies(X1,X0),implies(X1,X2))),
    inference(forward_demodulation,[status(thm)],[f27,f772]) ).

fof(f774,plain,
    ! [X0,X1,X2] : implies(X0,implies(implies(X0,implies(implies(X1,implies(implies(X1,X0),X2)),X2)),X2)) = implies(truth,implies(implies(X1,X0),implies(X1,X2))),
    inference(forward_demodulation,[status(thm)],[f27,f773]) ).

fof(f775,plain,
    ! [X0,X1,X2] : implies(X0,implies(implies(X0,implies(implies(X1,implies(implies(X1,X0),X2)),X2)),X2)) = implies(implies(X1,X0),implies(X1,X2)),
    inference(forward_demodulation,[status(thm)],[f16,f774]) ).

fof(f776,plain,
    ! [X0,X1,X2] : implies(X0,implies(implies(X0,implies(implies(X1,implies(implies(X1,X0),X2)),X2)),X2)) = implies(X1,implies(implies(X1,X0),X2)),
    inference(forward_demodulation,[status(thm)],[f27,f775]) ).

fof(f1061,plain,
    ! [X0,X1] : implies(X0,not(X1)) = implies(X1,not(X0)),
    inference(paramodulation,[status(thm)],[f29,f30]) ).

fof(f1062,plain,
    ! [X0,X1] : implies(not(X0),X1) = implies(not(X1),X0),
    inference(paramodulation,[status(thm)],[f29,f30]) ).

fof(f1087,plain,
    ! [X0,X1] : implies(implies(not(X0),not(X1)),not(X1)) = implies(implies(X0,X1),not(X0)),
    inference(paramodulation,[status(thm)],[f30,f18]) ).

fof(f1088,plain,
    ! [X0,X1] : implies(X0,not(implies(not(X1),not(X0)))) = implies(implies(X1,X0),not(X1)),
    inference(forward_demodulation,[status(thm)],[f1061,f1087]) ).

fof(f1089,plain,
    ! [X0,X1] : implies(X0,not(implies(X0,X1))) = implies(implies(X1,X0),not(X1)),
    inference(forward_demodulation,[status(thm)],[f30,f1088]) ).

fof(f1090,plain,
    ! [X0,X1] : implies(X0,not(implies(X0,X1))) = implies(X1,not(implies(X1,X0))),
    inference(forward_demodulation,[status(thm)],[f1061,f1089]) ).

fof(f1109,plain,
    ! [X0,X1,X2] : implies(X0,implies(not(X1),X2)) = implies(not(implies(X0,X2)),X1),
    inference(paramodulation,[status(thm)],[f27,f1062]) ).

fof(f5500,plain,
    ! [X0,X1,X2] : implies(X0,implies(not(X1),not(implies(X0,X2)))) = implies(not(implies(X2,not(implies(X2,X0)))),X1),
    inference(paramodulation,[status(thm)],[f1090,f1109]) ).

fof(f5501,plain,
    ! [X0,X1,X2] : implies(X0,implies(implies(X0,X1),X2)) = implies(not(implies(X1,not(implies(X1,X0)))),X2),
    inference(forward_demodulation,[status(thm)],[f30,f5500]) ).

fof(f5502,plain,
    ! [X0,X1,X2] : implies(X0,implies(implies(X0,X1),X2)) = implies(X1,implies(not(X2),not(implies(X1,X0)))),
    inference(forward_demodulation,[status(thm)],[f1109,f5501]) ).

fof(f5503,plain,
    ! [X0,X1,X2] : implies(X0,implies(implies(X0,X1),X2)) = implies(X1,implies(implies(X1,X0),X2)),
    inference(forward_demodulation,[status(thm)],[f30,f5502]) ).

fof(f17809,plain,
    ! [X0,X1] : implies(X0,implies(implies(X0,implies(implies(implies(X1,X0),implies(X0,X1)),X1)),X1)) = implies(implies(X1,X0),implies(implies(implies(X1,X0),X0),X1)),
    inference(paramodulation,[status(thm)],[f372,f776]) ).

fof(f17810,plain,
    ! [X0,X1] : implies(implies(X0,X1),implies(X1,X0)) = implies(implies(X0,X1),implies(implies(implies(X0,X1),X1),X0)),
    inference(forward_demodulation,[status(thm)],[f368,f17809]) ).

fof(f17811,plain,
    ! [X0,X1] : implies(X0,implies(implies(X1,X0),X1)) = implies(implies(X1,X0),implies(implies(implies(X1,X0),X0),X1)),
    inference(forward_demodulation,[status(thm)],[f27,f17810]) ).

fof(f17812,plain,
    ! [X0,X1] : implies(X0,implies(implies(X1,X0),X1)) = implies(X0,implies(implies(X0,implies(X1,X0)),X1)),
    inference(forward_demodulation,[status(thm)],[f5503,f17811]) ).

fof(f17813,plain,
    ! [X0,X1] : implies(X0,implies(implies(X1,X0),X1)) = implies(X0,implies(truth,X1)),
    inference(forward_demodulation,[status(thm)],[f23,f17812]) ).

fof(f17814,plain,
    ! [X0,X1] : implies(X0,implies(implies(X1,X0),X1)) = implies(X0,X1),
    inference(forward_demodulation,[status(thm)],[f16,f17813]) ).

fof(f18481,plain,
    implies(b,implies(implies(b,a),a)) != truth,
    inference(backward_demodulation,[status(thm)],[f17814,f33]) ).

fof(f18482,plain,
    truth != truth,
    inference(forward_demodulation,[status(thm)],[f35,f18481]) ).

fof(f18483,plain,
    $false,
    inference(trivial_equality_resolution,[status(esa)],[f18482]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : LCL109-3 : TPTP v8.1.2. Released v1.0.0.
% 0.07/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.14/0.34  % Computer : n017.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 300
% 0.14/0.34  % DateTime : Tue May 30 09:10:40 EDT 2023
% 0.14/0.34  % CPUTime  : 
% 0.14/0.35  % Drodi V3.5.1
% 26.65/3.73  % Refutation found
% 26.65/3.73  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 26.65/3.73  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 27.33/3.83  % Elapsed time: 3.470129 seconds
% 27.33/3.83  % CPU time: 27.181214 seconds
% 27.33/3.83  % Memory used: 272.015 MB
%------------------------------------------------------------------------------