TSTP Solution File: LCL109-10 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : LCL109-10 : TPTP v8.1.2. Released v7.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n016.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 12:18:16 EDT 2023

% Result   : Unsatisfiable 55.73s 7.41s
% Output   : CNFRefutation 56.27s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   28
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   61 (  61 unt;   0 def)
%            Number of atoms       :   61 (  60 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    6 (   6   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    5 (   3 avg)
%            Maximal term depth    :   12 (   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   :  104 (; 104   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f2,axiom,
    ! [X] : implies(truth,X) = X,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

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

fof(f4,axiom,
    ! [X,Y] : implies(implies(X,Y),Y) = implies(implies(Y,X),X),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

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

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

fof(f12,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] : implies(X,not(truth)) = not(X),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

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

fof(f15,axiom,
    ! [X,Y] : implies(not(X),not(Y)) = implies(Y,X),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f16,negated_conjecture,
    implies(implies(implies(a,b),implies(b,a)),implies(b,a)) != truth,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f18,plain,
    ! [X0] : implies(truth,X0) = X0,
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f19,plain,
    ! [X0,X1,X2] : implies(implies(X0,X1),implies(implies(X1,X2),implies(X0,X2))) = truth,
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f20,plain,
    ! [X0,X1] : implies(implies(X0,X1),X1) = implies(implies(X1,X0),X0),
    inference(cnf_transformation,[status(esa)],[f4]) ).

fof(f21,plain,
    ! [X0,X1] : implies(implies(not(X0),not(X1)),implies(X1,X0)) = truth,
    inference(cnf_transformation,[status(esa)],[f5]) ).

fof(f24,plain,
    ! [X0] : implies(X0,truth) = truth,
    inference(cnf_transformation,[status(esa)],[f8]) ).

fof(f28,plain,
    ! [X0,X1,X2] : implies(X0,implies(X1,X2)) = implies(X1,implies(X0,X2)),
    inference(cnf_transformation,[status(esa)],[f12]) ).

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

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

fof(f31,plain,
    ! [X0,X1] : implies(not(X0),not(X1)) = implies(X1,X0),
    inference(cnf_transformation,[status(esa)],[f15]) ).

fof(f32,plain,
    implies(implies(implies(a,b),implies(b,a)),implies(b,a)) != truth,
    inference(cnf_transformation,[status(esa)],[f16]) ).

fof(f33,plain,
    implies(b,implies(implies(implies(a,b),implies(b,a)),a)) != truth,
    inference(forward_demodulation,[status(thm)],[f28,f32]) ).

fof(f34,plain,
    implies(b,implies(implies(b,implies(implies(a,b),a)),a)) != truth,
    inference(forward_demodulation,[status(thm)],[f28,f33]) ).

fof(f35,plain,
    ! [X0,X1] : implies(implies(X0,X1),implies(X0,X1)) = truth,
    inference(backward_demodulation,[status(thm)],[f31,f21]) ).

fof(f36,plain,
    ! [X0,X1] : implies(X0,implies(implies(X0,X1),X1)) = truth,
    inference(forward_demodulation,[status(thm)],[f28,f35]) ).

fof(f119,plain,
    ! [X0,X1,X2,X3] : implies(X0,implies(X1,implies(X2,X3))) = implies(X2,implies(X0,implies(X1,X3))),
    inference(paramodulation,[status(thm)],[f28,f28]) ).

fof(f217,plain,
    ! [X0] : implies(implies(not(truth),X0),X0) = not(implies(X0,not(truth))),
    inference(paramodulation,[status(thm)],[f20,f29]) ).

fof(f218,plain,
    ! [X0] : implies(implies(not(truth),X0),X0) = not(not(X0)),
    inference(forward_demodulation,[status(thm)],[f29,f217]) ).

fof(f219,plain,
    ! [X0] : implies(implies(not(truth),X0),X0) = X0,
    inference(forward_demodulation,[status(thm)],[f30,f218]) ).

fof(f232,plain,
    ! [X0,X1] : implies(X0,implies(X1,not(truth))) = implies(X1,not(X0)),
    inference(paramodulation,[status(thm)],[f29,f28]) ).

fof(f233,plain,
    ! [X0,X1] : implies(X0,not(X1)) = implies(X1,not(X0)),
    inference(forward_demodulation,[status(thm)],[f29,f232]) ).

fof(f250,plain,
    ! [X0,X1] : implies(not(X0),implies(implies(not(truth),X1),implies(X0,X1))) = truth,
    inference(paramodulation,[status(thm)],[f29,f19]) ).

fof(f251,plain,
    ! [X0,X1] : implies(X0,implies(not(X0),implies(implies(not(truth),X1),X1))) = truth,
    inference(forward_demodulation,[status(thm)],[f119,f250]) ).

fof(f252,plain,
    ! [X0,X1] : implies(X0,implies(not(X0),X1)) = truth,
    inference(forward_demodulation,[status(thm)],[f219,f251]) ).

fof(f434,plain,
    ! [X0,X1] : implies(not(X0),X1) = implies(not(X1),X0),
    inference(paramodulation,[status(thm)],[f30,f31]) ).

fof(f447,plain,
    ! [X0,X1] : implies(implies(not(X0),not(X1)),not(X1)) = implies(implies(X0,X1),not(X0)),
    inference(paramodulation,[status(thm)],[f31,f20]) ).

fof(f448,plain,
    ! [X0,X1] : implies(X0,not(implies(not(X1),not(X0)))) = implies(implies(X1,X0),not(X1)),
    inference(forward_demodulation,[status(thm)],[f233,f447]) ).

fof(f449,plain,
    ! [X0,X1] : implies(X0,not(implies(X0,X1))) = implies(implies(X1,X0),not(X1)),
    inference(forward_demodulation,[status(thm)],[f31,f448]) ).

fof(f450,plain,
    ! [X0,X1] : implies(X0,not(implies(X0,X1))) = implies(X1,not(implies(X1,X0))),
    inference(forward_demodulation,[status(thm)],[f233,f449]) ).

fof(f601,plain,
    ! [X0,X1] : implies(implies(not(implies(X0,X1)),X0),X0) = implies(implies(X1,not(implies(X1,X0))),not(implies(X0,X1))),
    inference(paramodulation,[status(thm)],[f450,f20]) ).

fof(f602,plain,
    ! [X0,X1] : implies(implies(not(X0),implies(X0,X1)),X0) = implies(implies(X1,not(implies(X1,X0))),not(implies(X0,X1))),
    inference(forward_demodulation,[status(thm)],[f434,f601]) ).

fof(f603,plain,
    ! [X0,X1] : implies(implies(X0,implies(not(X0),X1)),X0) = implies(implies(X1,not(implies(X1,X0))),not(implies(X0,X1))),
    inference(forward_demodulation,[status(thm)],[f28,f602]) ).

fof(f604,plain,
    ! [X0,X1] : implies(truth,X0) = implies(implies(X1,not(implies(X1,X0))),not(implies(X0,X1))),
    inference(forward_demodulation,[status(thm)],[f252,f603]) ).

fof(f605,plain,
    ! [X0,X1] : X0 = implies(implies(X1,not(implies(X1,X0))),not(implies(X0,X1))),
    inference(forward_demodulation,[status(thm)],[f18,f604]) ).

fof(f606,plain,
    ! [X0,X1] : X0 = implies(implies(X0,X1),not(implies(X1,not(implies(X1,X0))))),
    inference(forward_demodulation,[status(thm)],[f233,f605]) ).

fof(f801,plain,
    ! [X0,X1] : implies(X0,X1) = implies(X0,not(implies(not(implies(X1,not(implies(X1,X0)))),not(implies(not(implies(X1,not(implies(X1,X0)))),implies(X0,X1)))))),
    inference(paramodulation,[status(thm)],[f606,f606]) ).

fof(f802,plain,
    ! [X0,X1] : implies(X0,X1) = implies(X0,not(implies(implies(not(implies(X1,not(implies(X1,X0)))),implies(X0,X1)),implies(X1,not(implies(X1,X0)))))),
    inference(forward_demodulation,[status(thm)],[f31,f801]) ).

fof(f803,plain,
    ! [X0,X1] : implies(X0,X1) = implies(X0,not(implies(X1,implies(implies(not(implies(X1,not(implies(X1,X0)))),implies(X0,X1)),not(implies(X1,X0)))))),
    inference(forward_demodulation,[status(thm)],[f28,f802]) ).

fof(f804,plain,
    ! [X0,X1] : implies(X0,X1) = implies(X0,not(implies(X1,implies(implies(X1,X0),not(implies(not(implies(X1,not(implies(X1,X0)))),implies(X0,X1))))))),
    inference(forward_demodulation,[status(thm)],[f233,f803]) ).

fof(f805,plain,
    ! [X0,X1] : implies(X0,X1) = implies(X0,not(implies(X1,implies(implies(X1,X0),not(implies(X0,implies(not(implies(X1,not(implies(X1,X0)))),X1))))))),
    inference(forward_demodulation,[status(thm)],[f28,f804]) ).

fof(f806,plain,
    ! [X0,X1] : implies(X0,X1) = implies(X0,not(implies(X1,implies(implies(X1,X0),not(implies(X0,implies(not(X1),implies(X1,not(implies(X1,X0)))))))))),
    inference(forward_demodulation,[status(thm)],[f434,f805]) ).

fof(f807,plain,
    ! [X0,X1] : implies(X0,X1) = implies(X0,not(implies(X1,implies(implies(X1,X0),not(implies(X0,implies(X1,implies(not(X1),not(implies(X1,X0)))))))))),
    inference(forward_demodulation,[status(thm)],[f28,f806]) ).

fof(f808,plain,
    ! [X0,X1] : implies(X0,X1) = implies(X0,not(implies(X1,implies(implies(X1,X0),not(implies(X0,truth)))))),
    inference(forward_demodulation,[status(thm)],[f252,f807]) ).

fof(f809,plain,
    ! [X0,X1] : implies(X0,X1) = implies(X0,not(implies(X1,implies(implies(X1,X0),not(truth))))),
    inference(forward_demodulation,[status(thm)],[f24,f808]) ).

fof(f810,plain,
    ! [X0,X1] : implies(X0,X1) = implies(X0,not(implies(X1,not(implies(X1,X0))))),
    inference(forward_demodulation,[status(thm)],[f29,f809]) ).

fof(f988,plain,
    ! [X0,X1,X2] : implies(implies(X0,X1),implies(X2,not(implies(X1,not(implies(X1,X0)))))) = implies(X2,X0),
    inference(paramodulation,[status(thm)],[f606,f28]) ).

fof(f1028,plain,
    ! [X0,X1] : implies(X0,X1) = implies(X0,not(implies(X0,not(implies(X0,X1))))),
    inference(paramodulation,[status(thm)],[f450,f810]) ).

fof(f33640,plain,
    ! [X0,X1] : implies(implies(X0,X1),implies(X1,X0)) = implies(X1,X0),
    inference(paramodulation,[status(thm)],[f1028,f988]) ).

fof(f33641,plain,
    ! [X0,X1] : implies(X0,implies(implies(X1,X0),X1)) = implies(X0,X1),
    inference(forward_demodulation,[status(thm)],[f28,f33640]) ).

fof(f34365,plain,
    implies(b,implies(implies(b,a),a)) != truth,
    inference(backward_demodulation,[status(thm)],[f33641,f34]) ).

fof(f34366,plain,
    truth != truth,
    inference(forward_demodulation,[status(thm)],[f36,f34365]) ).

fof(f34367,plain,
    $false,
    inference(trivial_equality_resolution,[status(esa)],[f34366]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : LCL109-10 : TPTP v8.1.2. Released v7.5.0.
% 0.03/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.13/0.34  % Computer : n016.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 : Tue May 30 10:09:59 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.13/0.35  % Drodi V3.5.1
% 55.73/7.41  % Refutation found
% 55.73/7.41  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 55.73/7.41  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 56.90/7.56  % Elapsed time: 7.207971 seconds
% 56.90/7.56  % CPU time: 56.755257 seconds
% 56.90/7.56  % Memory used: 535.182 MB
%------------------------------------------------------------------------------