TSTP Solution File: NUM852+2 by Drodi---3.6.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : NUM852+2 : TPTP v8.1.2. Released v4.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n026.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 20:35:57 EDT 2024

% Result   : Theorem 3.22s 0.75s
% Output   : CNFRefutation 3.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   19
% Syntax   : Number of formulae    :   85 (  27 unt;   0 def)
%            Number of atoms       :  159 (  50 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :  140 (  66   ~;  58   |;   6   &)
%                                         (   6 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   4 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    8 (   6 usr;   5 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   3 con; 0-2 aty)
%            Number of variables   :  115 ( 109   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,conjecture,
    greater(vmul(vd481,vd469),vmul(vd480,vd469)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f2,negated_conjecture,
    ~ greater(vmul(vd481,vd469),vmul(vd480,vd469)),
    inference(negated_conjecture,[status(cth)],[f1]) ).

fof(f3,axiom,
    greater(vd481,vd480),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f4,axiom,
    less(vd480,vd481),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f7,axiom,
    ! [Vd470,Vd471] :
      ( greater(Vd470,Vd471)
     => vmul(vplus(Vd471,vskolem9(Vd470,Vd471)),vd469) = vplus(vmul(Vd471,vd469),vmul(vskolem9(Vd470,Vd471),vd469)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f9,axiom,
    ! [Vd470,Vd471] :
      ( greater(Vd470,Vd471)
     => Vd470 = vplus(Vd471,vskolem9(Vd470,Vd471)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f11,axiom,
    ! [Vd432,Vd433,Vd434] : vmul(Vd432,vplus(Vd433,Vd434)) = vplus(vmul(Vd432,Vd433),vmul(Vd432,Vd434)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f12,axiom,
    ! [Vd418,Vd419] : vmul(Vd418,Vd419) = vmul(Vd419,Vd418),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f14,axiom,
    ! [Vd226,Vd227] :
      ( less(Vd226,Vd227)
     => greater(Vd227,Vd226) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f15,axiom,
    ! [Vd208,Vd209] :
      ( greater(Vd208,Vd209)
     => less(Vd209,Vd208) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f16,axiom,
    ! [Vd203,Vd204] :
      ( Vd203 = Vd204
      | greater(Vd203,Vd204)
      | less(Vd203,Vd204) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f17,axiom,
    ! [Vd203,Vd204] :
      ( Vd203 != Vd204
      | ~ less(Vd203,Vd204) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f18,axiom,
    ! [Vd203,Vd204] :
      ( ~ greater(Vd203,Vd204)
      | ~ less(Vd203,Vd204) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f19,axiom,
    ! [Vd203,Vd204] :
      ( Vd203 != Vd204
      | ~ greater(Vd203,Vd204) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f20,axiom,
    ! [Vd198,Vd199] :
      ( less(Vd199,Vd198)
    <=> ? [Vd201] : Vd198 = vplus(Vd199,Vd201) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f21,axiom,
    ! [Vd193,Vd194] :
      ( greater(Vd194,Vd193)
    <=> ? [Vd196] : Vd194 = vplus(Vd193,Vd196) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f22,plain,
    ~ greater(vmul(vd481,vd469),vmul(vd480,vd469)),
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f23,plain,
    greater(vd481,vd480),
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f24,plain,
    less(vd480,vd481),
    inference(cnf_transformation,[status(esa)],[f4]) ).

fof(f29,plain,
    ! [Vd470,Vd471] :
      ( ~ greater(Vd470,Vd471)
      | vmul(vplus(Vd471,vskolem9(Vd470,Vd471)),vd469) = vplus(vmul(Vd471,vd469),vmul(vskolem9(Vd470,Vd471),vd469)) ),
    inference(pre_NNF_transformation,[status(esa)],[f7]) ).

fof(f30,plain,
    ! [X0,X1] :
      ( ~ greater(X0,X1)
      | vmul(vplus(X1,vskolem9(X0,X1)),vd469) = vplus(vmul(X1,vd469),vmul(vskolem9(X0,X1),vd469)) ),
    inference(cnf_transformation,[status(esa)],[f29]) ).

fof(f33,plain,
    ! [Vd470,Vd471] :
      ( ~ greater(Vd470,Vd471)
      | Vd470 = vplus(Vd471,vskolem9(Vd470,Vd471)) ),
    inference(pre_NNF_transformation,[status(esa)],[f9]) ).

fof(f34,plain,
    ! [X0,X1] :
      ( ~ greater(X0,X1)
      | X0 = vplus(X1,vskolem9(X0,X1)) ),
    inference(cnf_transformation,[status(esa)],[f33]) ).

fof(f36,plain,
    ! [X0,X1,X2] : vmul(X0,vplus(X1,X2)) = vplus(vmul(X0,X1),vmul(X0,X2)),
    inference(cnf_transformation,[status(esa)],[f11]) ).

fof(f37,plain,
    ! [X0,X1] : vmul(X0,X1) = vmul(X1,X0),
    inference(cnf_transformation,[status(esa)],[f12]) ).

fof(f39,plain,
    ! [Vd226,Vd227] :
      ( ~ less(Vd226,Vd227)
      | greater(Vd227,Vd226) ),
    inference(pre_NNF_transformation,[status(esa)],[f14]) ).

fof(f40,plain,
    ! [X0,X1] :
      ( ~ less(X0,X1)
      | greater(X1,X0) ),
    inference(cnf_transformation,[status(esa)],[f39]) ).

fof(f41,plain,
    ! [Vd208,Vd209] :
      ( ~ greater(Vd208,Vd209)
      | less(Vd209,Vd208) ),
    inference(pre_NNF_transformation,[status(esa)],[f15]) ).

fof(f42,plain,
    ! [X0,X1] :
      ( ~ greater(X0,X1)
      | less(X1,X0) ),
    inference(cnf_transformation,[status(esa)],[f41]) ).

fof(f43,plain,
    ! [X0,X1] :
      ( X0 = X1
      | greater(X0,X1)
      | less(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f16]) ).

fof(f44,plain,
    ! [X0,X1] :
      ( X0 != X1
      | ~ less(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f17]) ).

fof(f45,plain,
    ! [X0,X1] :
      ( ~ greater(X0,X1)
      | ~ less(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f18]) ).

fof(f46,plain,
    ! [X0,X1] :
      ( X0 != X1
      | ~ greater(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f19]) ).

fof(f47,plain,
    ! [Vd198,Vd199] :
      ( ( ~ less(Vd199,Vd198)
        | ? [Vd201] : Vd198 = vplus(Vd199,Vd201) )
      & ( less(Vd199,Vd198)
        | ! [Vd201] : Vd198 != vplus(Vd199,Vd201) ) ),
    inference(NNF_transformation,[status(esa)],[f20]) ).

fof(f48,plain,
    ( ! [Vd198,Vd199] :
        ( ~ less(Vd199,Vd198)
        | ? [Vd201] : Vd198 = vplus(Vd199,Vd201) )
    & ! [Vd198,Vd199] :
        ( less(Vd199,Vd198)
        | ! [Vd201] : Vd198 != vplus(Vd199,Vd201) ) ),
    inference(miniscoping,[status(esa)],[f47]) ).

fof(f49,plain,
    ( ! [Vd198,Vd199] :
        ( ~ less(Vd199,Vd198)
        | Vd198 = vplus(Vd199,sk0_0(Vd199,Vd198)) )
    & ! [Vd198,Vd199] :
        ( less(Vd199,Vd198)
        | ! [Vd201] : Vd198 != vplus(Vd199,Vd201) ) ),
    inference(skolemization,[status(esa)],[f48]) ).

fof(f50,plain,
    ! [X0,X1] :
      ( ~ less(X0,X1)
      | X1 = vplus(X0,sk0_0(X0,X1)) ),
    inference(cnf_transformation,[status(esa)],[f49]) ).

fof(f51,plain,
    ! [X0,X1,X2] :
      ( less(X0,X1)
      | X1 != vplus(X0,X2) ),
    inference(cnf_transformation,[status(esa)],[f49]) ).

fof(f52,plain,
    ! [Vd193,Vd194] :
      ( ( ~ greater(Vd194,Vd193)
        | ? [Vd196] : Vd194 = vplus(Vd193,Vd196) )
      & ( greater(Vd194,Vd193)
        | ! [Vd196] : Vd194 != vplus(Vd193,Vd196) ) ),
    inference(NNF_transformation,[status(esa)],[f21]) ).

fof(f53,plain,
    ( ! [Vd193,Vd194] :
        ( ~ greater(Vd194,Vd193)
        | ? [Vd196] : Vd194 = vplus(Vd193,Vd196) )
    & ! [Vd193,Vd194] :
        ( greater(Vd194,Vd193)
        | ! [Vd196] : Vd194 != vplus(Vd193,Vd196) ) ),
    inference(miniscoping,[status(esa)],[f52]) ).

fof(f54,plain,
    ( ! [Vd193,Vd194] :
        ( ~ greater(Vd194,Vd193)
        | Vd194 = vplus(Vd193,sk0_1(Vd194,Vd193)) )
    & ! [Vd193,Vd194] :
        ( greater(Vd194,Vd193)
        | ! [Vd196] : Vd194 != vplus(Vd193,Vd196) ) ),
    inference(skolemization,[status(esa)],[f53]) ).

fof(f56,plain,
    ! [X0,X1,X2] :
      ( greater(X0,X1)
      | X0 != vplus(X1,X2) ),
    inference(cnf_transformation,[status(esa)],[f54]) ).

fof(f57,plain,
    ! [X0] : ~ less(X0,X0),
    inference(destructive_equality_resolution,[status(esa)],[f44]) ).

fof(f58,plain,
    ! [X0] : ~ greater(X0,X0),
    inference(destructive_equality_resolution,[status(esa)],[f46]) ).

fof(f59,plain,
    ! [X0,X1] : less(X0,vplus(X0,X1)),
    inference(destructive_equality_resolution,[status(esa)],[f51]) ).

fof(f60,plain,
    ! [X0,X1] : greater(vplus(X0,X1),X0),
    inference(destructive_equality_resolution,[status(esa)],[f56]) ).

fof(f303,plain,
    ~ greater(vd480,vd481),
    inference(resolution,[status(thm)],[f45,f24]) ).

fof(f304,plain,
    ! [X0,X1] : ~ greater(X0,vplus(X0,X1)),
    inference(resolution,[status(thm)],[f45,f59]) ).

fof(f305,plain,
    ! [X0,X1] :
      ( X0 = X1
      | greater(X0,X1)
      | greater(X1,X0) ),
    inference(resolution,[status(thm)],[f43,f40]) ).

fof(f306,plain,
    ( spl0_0
  <=> vd480 = vd481 ),
    introduced(split_symbol_definition) ).

fof(f307,plain,
    ( vd480 = vd481
    | ~ spl0_0 ),
    inference(component_clause,[status(thm)],[f306]) ).

fof(f309,plain,
    ( spl0_1
  <=> greater(vd481,vd480) ),
    introduced(split_symbol_definition) ).

fof(f310,plain,
    ( greater(vd481,vd480)
    | ~ spl0_1 ),
    inference(component_clause,[status(thm)],[f309]) ).

fof(f312,plain,
    ( vd480 = vd481
    | greater(vd481,vd480) ),
    inference(resolution,[status(thm)],[f305,f303]) ).

fof(f313,plain,
    ( spl0_0
    | spl0_1 ),
    inference(split_clause,[status(thm)],[f312,f306,f309]) ).

fof(f322,plain,
    ( spl0_4
  <=> vmul(vd481,vd469) = vmul(vd480,vd469) ),
    introduced(split_symbol_definition) ).

fof(f323,plain,
    ( vmul(vd481,vd469) = vmul(vd480,vd469)
    | ~ spl0_4 ),
    inference(component_clause,[status(thm)],[f322]) ).

fof(f325,plain,
    ( spl0_5
  <=> greater(vmul(vd480,vd469),vmul(vd481,vd469)) ),
    introduced(split_symbol_definition) ).

fof(f326,plain,
    ( greater(vmul(vd480,vd469),vmul(vd481,vd469))
    | ~ spl0_5 ),
    inference(component_clause,[status(thm)],[f325]) ).

fof(f328,plain,
    ( vmul(vd481,vd469) = vmul(vd480,vd469)
    | greater(vmul(vd480,vd469),vmul(vd481,vd469)) ),
    inference(resolution,[status(thm)],[f305,f22]) ).

fof(f329,plain,
    ( spl0_4
    | spl0_5 ),
    inference(split_clause,[status(thm)],[f328,f322,f325]) ).

fof(f340,plain,
    ( vmul(vd481,vd469) = vmul(vd469,vd480)
    | ~ spl0_4 ),
    inference(forward_demodulation,[status(thm)],[f37,f323]) ).

fof(f342,plain,
    vd481 = vplus(vd480,vskolem9(vd481,vd480)),
    inference(resolution,[status(thm)],[f34,f23]) ).

fof(f359,plain,
    ! [X0,X1] :
      ( ~ greater(X0,X1)
      | vmul(vd469,vplus(X1,vskolem9(X0,X1))) = vplus(vmul(X1,vd469),vmul(vskolem9(X0,X1),vd469)) ),
    inference(forward_demodulation,[status(thm)],[f37,f30]) ).

fof(f360,plain,
    ! [X0,X1] :
      ( ~ greater(X0,X1)
      | vmul(vd469,vplus(X1,vskolem9(X0,X1))) = vplus(vmul(X1,vd469),vmul(vd469,vskolem9(X0,X1))) ),
    inference(forward_demodulation,[status(thm)],[f37,f359]) ).

fof(f362,plain,
    vmul(vd469,vplus(vd480,vskolem9(vd481,vd480))) = vplus(vmul(vd480,vd469),vmul(vd469,vskolem9(vd481,vd480))),
    inference(resolution,[status(thm)],[f360,f23]) ).

fof(f363,plain,
    vmul(vd469,vd481) = vplus(vmul(vd480,vd469),vmul(vd469,vskolem9(vd481,vd480))),
    inference(forward_demodulation,[status(thm)],[f342,f362]) ).

fof(f364,plain,
    vmul(vd481,vd469) = vplus(vmul(vd480,vd469),vmul(vd469,vskolem9(vd481,vd480))),
    inference(forward_demodulation,[status(thm)],[f37,f363]) ).

fof(f365,plain,
    vmul(vd481,vd469) = vplus(vmul(vd469,vd480),vmul(vd469,vskolem9(vd481,vd480))),
    inference(forward_demodulation,[status(thm)],[f37,f364]) ).

fof(f850,plain,
    ( less(vd481,vd481)
    | ~ spl0_0 ),
    inference(backward_demodulation,[status(thm)],[f307,f24]) ).

fof(f851,plain,
    ( $false
    | ~ spl0_0 ),
    inference(forward_subsumption_resolution,[status(thm)],[f850,f57]) ).

fof(f852,plain,
    ~ spl0_0,
    inference(contradiction_clause,[status(thm)],[f851]) ).

fof(f859,plain,
    ( less(vd480,vd481)
    | ~ spl0_1 ),
    inference(resolution,[status(thm)],[f310,f42]) ).

fof(f860,plain,
    ( vd481 = vplus(vd480,sk0_0(vd480,vd481))
    | ~ spl0_1 ),
    inference(resolution,[status(thm)],[f859,f50]) ).

fof(f2144,plain,
    ( vmul(vd481,vd469) = vplus(vmul(vd481,vd469),vmul(vd469,vskolem9(vd481,vd480)))
    | ~ spl0_4 ),
    inference(forward_demodulation,[status(thm)],[f340,f365]) ).

fof(f2150,plain,
    ( greater(vmul(vd481,vd469),vmul(vd481,vd469))
    | ~ spl0_4 ),
    inference(paramodulation,[status(thm)],[f2144,f60]) ).

fof(f2151,plain,
    ( $false
    | ~ spl0_4 ),
    inference(forward_subsumption_resolution,[status(thm)],[f2150,f58]) ).

fof(f2152,plain,
    ~ spl0_4,
    inference(contradiction_clause,[status(thm)],[f2151]) ).

fof(f2153,plain,
    ( greater(vmul(vd469,vd480),vmul(vd481,vd469))
    | ~ spl0_5 ),
    inference(forward_demodulation,[status(thm)],[f37,f326]) ).

fof(f2477,plain,
    ! [X0,X1,X2] : ~ greater(vmul(X0,X1),vmul(X0,vplus(X1,X2))),
    inference(paramodulation,[status(thm)],[f36,f304]) ).

fof(f3199,plain,
    ! [X0,X1,X2] : ~ greater(vmul(X0,X1),vmul(vplus(X1,X2),X0)),
    inference(paramodulation,[status(thm)],[f37,f2477]) ).

fof(f3396,plain,
    ! [X0] :
      ( ~ greater(vmul(X0,vd480),vmul(vd481,X0))
      | ~ spl0_1 ),
    inference(paramodulation,[status(thm)],[f860,f3199]) ).

fof(f4084,plain,
    ( $false
    | ~ spl0_1
    | ~ spl0_5 ),
    inference(backward_subsumption_resolution,[status(thm)],[f2153,f3396]) ).

fof(f4085,plain,
    ( ~ spl0_1
    | ~ spl0_5 ),
    inference(contradiction_clause,[status(thm)],[f4084]) ).

fof(f4086,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f313,f329,f852,f2152,f4085]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.09  % Problem  : NUM852+2 : TPTP v8.1.2. Released v4.1.0.
% 0.04/0.10  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.08/0.30  % Computer : n026.cluster.edu
% 0.08/0.30  % Model    : x86_64 x86_64
% 0.08/0.30  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.30  % Memory   : 8042.1875MB
% 0.08/0.30  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.08/0.30  % CPULimit : 300
% 0.08/0.30  % WCLimit  : 300
% 0.08/0.30  % DateTime : Mon Apr 29 21:01:49 EDT 2024
% 0.08/0.30  % CPUTime  : 
% 0.14/0.31  % Drodi V3.6.0
% 3.22/0.75  % Refutation found
% 3.22/0.75  % SZS status Theorem for theBenchmark: Theorem is valid
% 3.22/0.75  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 3.22/0.78  % Elapsed time: 0.464200 seconds
% 3.22/0.78  % CPU time: 3.532327 seconds
% 3.22/0.78  % Total memory used: 84.079 MB
% 3.22/0.78  % Net memory used: 83.747 MB
%------------------------------------------------------------------------------