TSTP Solution File: ARI297_1 by Vampire---4.8

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%------------------------------------------------------------------------------
% File     : Vampire---4.8
% Problem  : ARI297_1 : TPTP v8.1.2. Released v5.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --ignore_missing on --mode portfolio/casc [--schedule casc_hol_2020] -p tptp -om szs -t %d %s

% Computer : n020.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 Aug 30 17:53:13 EDT 2023

% Result   : Theorem 0.22s 0.45s
% Output   : Refutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   16 (   6 unt;   1 typ;   0 def)
%            Number of atoms       :   30 (  29 equ)
%            Maximal formula atoms :    4 (   2 avg)
%            Number of connectives :   27 (  12   ~;   8   |;   4   &)
%                                         (   0 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   3 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number arithmetic     :   66 (   0 atm;  17 fun;  34 num;  15 var)
%            Number of types       :    1 (   0 usr;   1 ari)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   1 usr;   5 con; 0-2 aty)
%            Number of variables   :   15 (;  13   !;   2   ?;  15   :)

% Comments : 
%------------------------------------------------------------------------------
tff(func_def_8,type,
    sK0: $rat ).

tff(f856,plain,
    $false,
    inference(evaluation,[],[f844]) ).

tff(f844,plain,
    1/4 != $product(2/5,5/8),
    inference(unit_resulting_resolution,[],[f24,f841]) ).

tff(f841,plain,
    ! [X10: $rat] :
      ( ( 1/4 != $product(2/5,X10) )
      | ( sK0 = X10 ) ),
    inference(evaluation,[],[f809]) ).

tff(f809,plain,
    ! [X10: $rat] :
      ( ( 1/4 != $product(2/5,X10) )
      | ( 2/5 = 0/1 )
      | ( sK0 = X10 ) ),
    inference(superposition,[],[f25,f26]) ).

tff(f26,plain,
    1/4 = $product(2/5,sK0),
    inference(forward_demodulation,[],[f23,f14]) ).

tff(f14,plain,
    ! [X0: $rat,X1: $rat] : ( $product(X0,X1) = $product(X1,X0) ),
    introduced(theory_axiom_138,[]) ).

tff(f23,plain,
    1/4 = $product(sK0,2/5),
    inference(cnf_transformation,[],[f22]) ).

tff(f22,plain,
    ( ( 5/8 != sK0 )
    & ( 1/4 = $product(sK0,2/5) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f20,f21]) ).

tff(f21,plain,
    ( ? [X0: $rat] :
        ( ( 5/8 != X0 )
        & ( $product(X0,2/5) = 1/4 ) )
   => ( ( 5/8 != sK0 )
      & ( 1/4 = $product(sK0,2/5) ) ) ),
    introduced(choice_axiom,[]) ).

tff(f20,plain,
    ? [X0: $rat] :
      ( ( 5/8 != X0 )
      & ( $product(X0,2/5) = 1/4 ) ),
    inference(ennf_transformation,[],[f2]) ).

tff(f2,negated_conjecture,
    ~ ! [X0: $rat] :
        ( ( $product(X0,2/5) = 1/4 )
       => ( 5/8 = X0 ) ),
    inference(negated_conjecture,[],[f1]) ).

tff(f1,conjecture,
    ! [X0: $rat] :
      ( ( $product(X0,2/5) = 1/4 )
     => ( 5/8 = X0 ) ),
    file('/export/starexec/sandbox/tmp/tmp.nSx8Rejb2d/Vampire---4.8_26382',rat_product_problem_14) ).

tff(f25,plain,
    ! [X2: $rat,X3: $rat,X0: $rat] :
      ( ( $product(X0,X2) != $product(X0,X3) )
      | ( 0/1 = X0 )
      | ( X2 = X3 ) ),
    inference(equality_resolution,[],[f19]) ).

tff(f19,plain,
    ! [X2: $rat,X3: $rat,X0: $rat,X1: $rat] :
      ( ( 0/1 = X0 )
      | ( $product(X0,X2) != X1 )
      | ( $product(X0,X3) != X1 )
      | ( X2 = X3 ) ),
    introduced(theory_axiom_154,[]) ).

tff(f24,plain,
    5/8 != sK0,
    inference(cnf_transformation,[],[f22]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem    : ARI297_1 : TPTP v8.1.2. Released v5.0.0.
% 0.15/0.15  % Command    : vampire --ignore_missing on --mode portfolio/casc [--schedule casc_hol_2020] -p tptp -om szs -t %d %s
% 0.15/0.36  % Computer : n020.cluster.edu
% 0.15/0.36  % Model    : x86_64 x86_64
% 0.15/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.36  % Memory   : 8042.1875MB
% 0.15/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.36  % CPULimit   : 300
% 0.15/0.36  % WCLimit    : 300
% 0.15/0.36  % DateTime   : Tue Aug 29 18:13:58 EDT 2023
% 0.15/0.36  % CPUTime    : 
% 0.15/0.36  This is a TF0_THM_EQU_ARI problem
% 0.15/0.36  Running vampire_casc2023 --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox/tmp/tmp.nSx8Rejb2d/Vampire---4.8_26382
% 0.15/0.37  % (26634)Running in auto input_syntax mode. Trying TPTP
% 0.22/0.43  % (26642)dis-11_10:1_canc=force:fsd=off:nwc=1.5:sas=z3:tha=off:uwa=all_472 on Vampire---4 for (472ds/0Mi)
% 0.22/0.43  % (26641)dis-10_20_canc=force:fsd=off:gs=on:gsem=off:nm=0:sas=z3:sac=on:tha=off:thi=strong:tgt=ground_476 on Vampire---4 for (476ds/0Mi)
% 0.22/0.43  % (26644)ott+10_1024_av=off:bd=preordered:br=off:ep=RSTC:fsr=off:fde=none:nm=2:urr=on_318 on Vampire---4 for (318ds/0Mi)
% 0.22/0.43  % (26645)lrs-1010_3_av=off:br=off:drc=off:er=known:fsd=off:fde=unused:nm=4:nwc=3.0:sp=scramble:urr=on:stl=180_280 on Vampire---4 for (280ds/0Mi)
% 0.22/0.43  % (26639)lrs+2_32_add=large:amm=off:bd=off:bs=unit_only:drc=off:flr=on:fsd=off:fde=none:nm=0:nwc=1.1:sos=theory:sp=reverse_arity:tgt=ground:stl=180_1034 on Vampire---4 for (1034ds/0Mi)
% 0.22/0.43  % (26640)dis-1010_2:3_canc=force:fsd=off:fde=unused:gs=on:gsem=on:nm=0:nwc=1.3:sas=z3:tha=off:thf=on:uwa=ground_572 on Vampire---4 for (572ds/0Mi)
% 0.22/0.44  % (26643)lrs+1010_2:1_amm=off:bs=on:bsr=on:canc=force:fsd=off:fsr=off:gs=on:gsaa=full_model:gsem=on:nm=0:nwc=1.3:sas=z3:sac=on:tha=off:thi=overlap:tgt=ground:uwa=ground:stl=60_408 on Vampire---4 for (408ds/0Mi)
% 0.22/0.45  % (26645)First to succeed.
% 0.22/0.45  % (26645)Refutation found. Thanks to Tanya!
% 0.22/0.45  % SZS status Theorem for Vampire---4
% 0.22/0.45  % SZS output start Proof for Vampire---4
% See solution above
% 0.22/0.45  % (26645)------------------------------
% 0.22/0.45  % (26645)Version: Vampire 4.7 (commit 05ef610bd on 2023-06-21 19:03:17 +0100)
% 0.22/0.45  % (26645)Linked with Z3 4.9.1.0 6ed071b44407cf6623b8d3c0dceb2a8fb7040cee z3-4.8.4-6427-g6ed071b44
% 0.22/0.45  % (26645)Termination reason: Refutation
% 0.22/0.45  
% 0.22/0.45  % (26645)Memory used [KB]: 1407
% 0.22/0.45  % (26645)Time elapsed: 0.022 s
% 0.22/0.45  % (26645)------------------------------
% 0.22/0.45  % (26645)------------------------------
% 0.22/0.45  % (26634)Success in time 0.083 s
% 0.22/0.45  % Vampire---4.8 exiting
%------------------------------------------------------------------------------