TSTP Solution File: ALG235-1 by Drodi---3.6.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : ALG235-1 : TPTP v8.1.2. Released v4.0.0.
% 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 : Tue Apr 30 20:11:11 EDT 2024

% Result   : Unsatisfiable 0.17s 0.39s
% Output   : CNFRefutation 0.17s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   19 (  19 unt;   0 def)
%            Number of atoms       :   19 (  18 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    2 (   2   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    5 (   4 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   4 con; 0-2 aty)
%            Number of variables   :   50 (  50   !;   0   ?)

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

fof(f2,axiom,
    ! [A,B,C,D] : mult(A,mult(B,mult(C,D))) = mult(C,mult(B,mult(A,D))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f3,axiom,
    ! [A,B,C,D] : mult(mult(A,mult(B,mult(C,B))),D) = mult(A,mult(D,mult(mult(C,B),D))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f4,negated_conjecture,
    mult(a,mult(b,mult(a,mult(c,mult(d,c))))) != mult(a,mult(b,mult(d,c))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f5,plain,
    ! [X0,X1] : mult(X0,mult(X1,mult(X0,X1))) = mult(X0,X1),
    inference(cnf_transformation,[status(esa)],[f1]) ).

fof(f6,plain,
    ! [X0,X1,X2,X3] : mult(X0,mult(X1,mult(X2,X3))) = mult(X2,mult(X1,mult(X0,X3))),
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f7,plain,
    ! [X0,X1,X2,X3] : mult(mult(X0,mult(X1,mult(X2,X1))),X3) = mult(X0,mult(X3,mult(mult(X2,X1),X3))),
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f8,plain,
    mult(a,mult(b,mult(a,mult(c,mult(d,c))))) != mult(a,mult(b,mult(d,c))),
    inference(cnf_transformation,[status(esa)],[f4]) ).

fof(f13,plain,
    ! [X0,X1,X2] : mult(X0,mult(X1,mult(X2,mult(X1,X0)))) = mult(X2,mult(X1,X0)),
    inference(paramodulation,[status(thm)],[f5,f6]) ).

fof(f16,plain,
    ! [X0,X1,X2,X3] : mult(X0,mult(X1,mult(X2,mult(X3,mult(X0,X3))))) = mult(X2,mult(X1,mult(X0,X3))),
    inference(paramodulation,[status(thm)],[f5,f6]) ).

fof(f56,plain,
    ! [X0,X1] : mult(X0,mult(X1,mult(X0,X1))) = mult(mult(X0,X1),mult(X1,mult(X0,X1))),
    inference(paramodulation,[status(thm)],[f13,f13]) ).

fof(f77,plain,
    ! [X0,X1] : mult(X0,X1) = mult(mult(X0,X1),mult(X1,mult(X0,X1))),
    inference(forward_demodulation,[status(thm)],[f5,f56]) ).

fof(f95,plain,
    ! [X0,X1,X2] : mult(X0,mult(X1,mult(mult(X0,X2),X1))) = mult(mult(X0,X2),X1),
    inference(paramodulation,[status(thm)],[f5,f7]) ).

fof(f159,plain,
    ! [X0,X1] : mult(X0,X1) = mult(X0,mult(X1,mult(mult(X0,X1),X1))),
    inference(forward_demodulation,[status(thm)],[f6,f77]) ).

fof(f265,plain,
    ! [X0,X1] : mult(X0,X1) = mult(mult(X0,X1),X1),
    inference(backward_demodulation,[status(thm)],[f95,f159]) ).

fof(f819,plain,
    ! [X0,X1,X2,X3] : mult(X0,mult(X1,mult(X2,mult(X3,mult(X0,X3))))) = mult(X2,mult(X1,mult(X2,mult(mult(X3,mult(X0,X3)),mult(X0,X3))))),
    inference(paramodulation,[status(thm)],[f16,f16]) ).

fof(f902,plain,
    ! [X2,X1,X0,X3] : mult(X2,mult(X1,mult(X0,X3))) = mult(X2,mult(X1,mult(X2,mult(mult(X3,mult(X0,X3)),mult(X0,X3))))),
    inference(forward_demodulation,[status(thm)],[f16,f819]) ).

fof(f903,plain,
    ! [X2,X1,X0,X3] : mult(X2,mult(X1,mult(X0,X3))) = mult(X2,mult(X1,mult(X2,mult(X3,mult(X0,X3))))),
    inference(forward_demodulation,[status(thm)],[f265,f902]) ).

fof(f904,plain,
    $false,
    inference(resolution,[status(thm)],[f903,f8]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : ALG235-1 : TPTP v8.1.2. Released v4.0.0.
% 0.03/0.12  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.11/0.33  % Computer : n027.cluster.edu
% 0.11/0.33  % Model    : x86_64 x86_64
% 0.11/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.33  % Memory   : 8042.1875MB
% 0.11/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.33  % CPULimit : 300
% 0.11/0.33  % WCLimit  : 300
% 0.11/0.33  % DateTime : Tue Apr 30 00:00:02 EDT 2024
% 0.11/0.33  % CPUTime  : 
% 0.11/0.34  % Drodi V3.6.0
% 0.17/0.39  % Refutation found
% 0.17/0.39  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.17/0.39  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.17/0.40  % Elapsed time: 0.063210 seconds
% 0.17/0.40  % CPU time: 0.429494 seconds
% 0.17/0.40  % Total memory used: 20.539 MB
% 0.17/0.40  % Net memory used: 20.036 MB
%------------------------------------------------------------------------------