TSTP Solution File: LCL496+1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : LCL496+1 : TPTP v8.1.2. Released v3.3.0.
% 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 : n008.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 : Fri Sep  1 17:21:49 EDT 2023

% Result   : Theorem 0.15s 0.46s
% Output   : Refutation 0.15s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   14
% Syntax   : Number of formulae    :   58 (  17 unt;   0 def)
%            Number of atoms       :  148 (   4 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :  159 (  69   ~;  52   |;  23   &)
%                                         (   9 <=>;   6  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   5 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    8 (   6 usr;   6 prp; 0-2 aty)
%            Number of functors    :   14 (  14 usr;  11 con; 0-2 aty)
%            Number of variables   :  126 (;  93   !;  33   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f2518,plain,
    $false,
    inference(resolution,[],[f2492,f173]) ).

fof(f173,plain,
    r5,
    inference(cnf_transformation,[],[f40]) ).

fof(f40,axiom,
    r5,
    file('/export/starexec/sandbox2/tmp/tmp.ee0ntrMmZs/Vampire---4.8_28367',principia_r5) ).

fof(f2492,plain,
    ~ r5,
    inference(resolution,[],[f2491,f490]) ).

fof(f490,plain,
    ! [X2,X0,X1] :
      ( is_a_theorem(implies(implies(X1,X2),implies(implies(X0,X1),implies(X0,X2))))
      | ~ r5 ),
    inference(forward_demodulation,[],[f487,f246]) ).

fof(f246,plain,
    ! [X0,X1] : implies(X0,X1) = or(not(X0),X1),
    inference(resolution,[],[f186,f180]) ).

fof(f180,plain,
    op_implies_or,
    inference(cnf_transformation,[],[f32]) ).

fof(f32,axiom,
    op_implies_or,
    file('/export/starexec/sandbox2/tmp/tmp.ee0ntrMmZs/Vampire---4.8_28367',principia_op_implies_or) ).

fof(f186,plain,
    ! [X0,X1] :
      ( ~ op_implies_or
      | implies(X0,X1) = or(not(X0),X1) ),
    inference(cnf_transformation,[],[f60]) ).

fof(f60,plain,
    ( ! [X0,X1] : implies(X0,X1) = or(not(X0),X1)
    | ~ op_implies_or ),
    inference(ennf_transformation,[],[f30]) ).

fof(f30,axiom,
    ( op_implies_or
   => ! [X0,X1] : implies(X0,X1) = or(not(X0),X1) ),
    file('/export/starexec/sandbox2/tmp/tmp.ee0ntrMmZs/Vampire---4.8_28367',op_implies_or) ).

fof(f487,plain,
    ! [X2,X0,X1] :
      ( is_a_theorem(implies(implies(X1,X2),implies(implies(X0,X1),or(not(X0),X2))))
      | ~ r5 ),
    inference(superposition,[],[f241,f246]) ).

fof(f241,plain,
    ! [X3,X4,X5] :
      ( is_a_theorem(implies(implies(X4,X5),implies(or(X3,X4),or(X3,X5))))
      | ~ r5 ),
    inference(cnf_transformation,[],[f166]) ).

fof(f166,plain,
    ( ( r5
      | ~ is_a_theorem(implies(implies(sK50,sK51),implies(or(sK49,sK50),or(sK49,sK51)))) )
    & ( ! [X3,X4,X5] : is_a_theorem(implies(implies(X4,X5),implies(or(X3,X4),or(X3,X5))))
      | ~ r5 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK49,sK50,sK51])],[f164,f165]) ).

fof(f165,plain,
    ( ? [X0,X1,X2] : ~ is_a_theorem(implies(implies(X1,X2),implies(or(X0,X1),or(X0,X2))))
   => ~ is_a_theorem(implies(implies(sK50,sK51),implies(or(sK49,sK50),or(sK49,sK51)))) ),
    introduced(choice_axiom,[]) ).

fof(f164,plain,
    ( ( r5
      | ? [X0,X1,X2] : ~ is_a_theorem(implies(implies(X1,X2),implies(or(X0,X1),or(X0,X2)))) )
    & ( ! [X3,X4,X5] : is_a_theorem(implies(implies(X4,X5),implies(or(X3,X4),or(X3,X5))))
      | ~ r5 ) ),
    inference(rectify,[],[f163]) ).

fof(f163,plain,
    ( ( r5
      | ? [X0,X1,X2] : ~ is_a_theorem(implies(implies(X1,X2),implies(or(X0,X1),or(X0,X2)))) )
    & ( ! [X0,X1,X2] : is_a_theorem(implies(implies(X1,X2),implies(or(X0,X1),or(X0,X2))))
      | ~ r5 ) ),
    inference(nnf_transformation,[],[f57]) ).

fof(f57,plain,
    ( r5
  <=> ! [X0,X1,X2] : is_a_theorem(implies(implies(X1,X2),implies(or(X0,X1),or(X0,X2)))) ),
    inference(rectify,[],[f26]) ).

fof(f26,axiom,
    ( r5
  <=> ! [X3,X4,X5] : is_a_theorem(implies(implies(X4,X5),implies(or(X3,X4),or(X3,X5)))) ),
    file('/export/starexec/sandbox2/tmp/tmp.ee0ntrMmZs/Vampire---4.8_28367',r5) ).

fof(f2491,plain,
    ~ is_a_theorem(implies(implies(sK38,sK39),implies(implies(sK37,sK38),implies(sK37,sK39)))),
    inference(resolution,[],[f2431,f174]) ).

fof(f174,plain,
    r4,
    inference(cnf_transformation,[],[f39]) ).

fof(f39,axiom,
    r4,
    file('/export/starexec/sandbox2/tmp/tmp.ee0ntrMmZs/Vampire---4.8_28367',principia_r4) ).

fof(f2431,plain,
    ( ~ r4
    | ~ is_a_theorem(implies(implies(sK38,sK39),implies(implies(sK37,sK38),implies(sK37,sK39)))) ),
    inference(resolution,[],[f875,f493]) ).

fof(f493,plain,
    ! [X0] :
      ( ~ is_a_theorem(implies(X0,implies(implies(sK37,sK38),implies(implies(sK38,sK39),implies(sK37,sK39)))))
      | ~ is_a_theorem(X0) ),
    inference(resolution,[],[f484,f178]) ).

fof(f178,plain,
    modus_ponens,
    inference(cnf_transformation,[],[f35]) ).

fof(f35,axiom,
    modus_ponens,
    file('/export/starexec/sandbox2/tmp/tmp.ee0ntrMmZs/Vampire---4.8_28367',principia_modus_ponens) ).

fof(f484,plain,
    ! [X0] :
      ( ~ modus_ponens
      | ~ is_a_theorem(X0)
      | ~ is_a_theorem(implies(X0,implies(implies(sK37,sK38),implies(implies(sK38,sK39),implies(sK37,sK39))))) ),
    inference(resolution,[],[f482,f237]) ).

fof(f237,plain,
    ! [X2,X3] :
      ( is_a_theorem(X3)
      | ~ is_a_theorem(implies(X2,X3))
      | ~ is_a_theorem(X2)
      | ~ modus_ponens ),
    inference(cnf_transformation,[],[f162]) ).

fof(f162,plain,
    ( ( modus_ponens
      | ( ~ is_a_theorem(sK48)
        & is_a_theorem(implies(sK47,sK48))
        & is_a_theorem(sK47) ) )
    & ( ! [X2,X3] :
          ( is_a_theorem(X3)
          | ~ is_a_theorem(implies(X2,X3))
          | ~ is_a_theorem(X2) )
      | ~ modus_ponens ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK47,sK48])],[f160,f161]) ).

fof(f161,plain,
    ( ? [X0,X1] :
        ( ~ is_a_theorem(X1)
        & is_a_theorem(implies(X0,X1))
        & is_a_theorem(X0) )
   => ( ~ is_a_theorem(sK48)
      & is_a_theorem(implies(sK47,sK48))
      & is_a_theorem(sK47) ) ),
    introduced(choice_axiom,[]) ).

fof(f160,plain,
    ( ( modus_ponens
      | ? [X0,X1] :
          ( ~ is_a_theorem(X1)
          & is_a_theorem(implies(X0,X1))
          & is_a_theorem(X0) ) )
    & ( ! [X2,X3] :
          ( is_a_theorem(X3)
          | ~ is_a_theorem(implies(X2,X3))
          | ~ is_a_theorem(X2) )
      | ~ modus_ponens ) ),
    inference(rectify,[],[f159]) ).

fof(f159,plain,
    ( ( modus_ponens
      | ? [X0,X1] :
          ( ~ is_a_theorem(X1)
          & is_a_theorem(implies(X0,X1))
          & is_a_theorem(X0) ) )
    & ( ! [X0,X1] :
          ( is_a_theorem(X1)
          | ~ is_a_theorem(implies(X0,X1))
          | ~ is_a_theorem(X0) )
      | ~ modus_ponens ) ),
    inference(nnf_transformation,[],[f66]) ).

fof(f66,plain,
    ( modus_ponens
  <=> ! [X0,X1] :
        ( is_a_theorem(X1)
        | ~ is_a_theorem(implies(X0,X1))
        | ~ is_a_theorem(X0) ) ),
    inference(flattening,[],[f65]) ).

fof(f65,plain,
    ( modus_ponens
  <=> ! [X0,X1] :
        ( is_a_theorem(X1)
        | ~ is_a_theorem(implies(X0,X1))
        | ~ is_a_theorem(X0) ) ),
    inference(ennf_transformation,[],[f1]) ).

fof(f1,axiom,
    ( modus_ponens
  <=> ! [X0,X1] :
        ( ( is_a_theorem(implies(X0,X1))
          & is_a_theorem(X0) )
       => is_a_theorem(X1) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.ee0ntrMmZs/Vampire---4.8_28367',modus_ponens) ).

fof(f482,plain,
    ~ is_a_theorem(implies(implies(sK37,sK38),implies(implies(sK38,sK39),implies(sK37,sK39)))),
    inference(resolution,[],[f227,f171]) ).

fof(f171,plain,
    ~ cn1,
    inference(cnf_transformation,[],[f47]) ).

fof(f47,plain,
    ~ cn1,
    inference(flattening,[],[f46]) ).

fof(f46,negated_conjecture,
    ~ cn1,
    inference(negated_conjecture,[],[f45]) ).

fof(f45,conjecture,
    cn1,
    file('/export/starexec/sandbox2/tmp/tmp.ee0ntrMmZs/Vampire---4.8_28367',luka_cn1) ).

fof(f227,plain,
    ( cn1
    | ~ is_a_theorem(implies(implies(sK37,sK38),implies(implies(sK38,sK39),implies(sK37,sK39)))) ),
    inference(cnf_transformation,[],[f142]) ).

fof(f142,plain,
    ( ( cn1
      | ~ is_a_theorem(implies(implies(sK37,sK38),implies(implies(sK38,sK39),implies(sK37,sK39)))) )
    & ( ! [X3,X4,X5] : is_a_theorem(implies(implies(X3,X4),implies(implies(X4,X5),implies(X3,X5))))
      | ~ cn1 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK37,sK38,sK39])],[f140,f141]) ).

fof(f141,plain,
    ( ? [X0,X1,X2] : ~ is_a_theorem(implies(implies(X0,X1),implies(implies(X1,X2),implies(X0,X2))))
   => ~ is_a_theorem(implies(implies(sK37,sK38),implies(implies(sK38,sK39),implies(sK37,sK39)))) ),
    introduced(choice_axiom,[]) ).

fof(f140,plain,
    ( ( cn1
      | ? [X0,X1,X2] : ~ is_a_theorem(implies(implies(X0,X1),implies(implies(X1,X2),implies(X0,X2)))) )
    & ( ! [X3,X4,X5] : is_a_theorem(implies(implies(X3,X4),implies(implies(X4,X5),implies(X3,X5))))
      | ~ cn1 ) ),
    inference(rectify,[],[f139]) ).

fof(f139,plain,
    ( ( cn1
      | ? [X0,X1,X2] : ~ is_a_theorem(implies(implies(X0,X1),implies(implies(X1,X2),implies(X0,X2)))) )
    & ( ! [X0,X1,X2] : is_a_theorem(implies(implies(X0,X1),implies(implies(X1,X2),implies(X0,X2))))
      | ~ cn1 ) ),
    inference(nnf_transformation,[],[f53]) ).

fof(f53,plain,
    ( cn1
  <=> ! [X0,X1,X2] : is_a_theorem(implies(implies(X0,X1),implies(implies(X1,X2),implies(X0,X2)))) ),
    inference(rectify,[],[f19]) ).

fof(f19,axiom,
    ( cn1
  <=> ! [X3,X4,X5] : is_a_theorem(implies(implies(X3,X4),implies(implies(X4,X5),implies(X3,X5)))) ),
    file('/export/starexec/sandbox2/tmp/tmp.ee0ntrMmZs/Vampire---4.8_28367',cn1) ).

fof(f875,plain,
    ! [X2,X0,X1] :
      ( is_a_theorem(implies(implies(X0,implies(X1,X2)),implies(X1,implies(X0,X2))))
      | ~ r4 ),
    inference(forward_demodulation,[],[f869,f246]) ).

fof(f869,plain,
    ! [X2,X0,X1] :
      ( is_a_theorem(implies(implies(X0,implies(X1,X2)),implies(X1,or(not(X0),X2))))
      | ~ r4 ),
    inference(superposition,[],[f522,f246]) ).

fof(f522,plain,
    ! [X2,X0,X1] :
      ( is_a_theorem(implies(or(X2,implies(X0,X1)),implies(X0,or(X2,X1))))
      | ~ r4 ),
    inference(forward_demodulation,[],[f518,f246]) ).

fof(f518,plain,
    ! [X2,X0,X1] :
      ( is_a_theorem(implies(or(X2,implies(X0,X1)),or(not(X0),or(X2,X1))))
      | ~ r4 ),
    inference(superposition,[],[f243,f246]) ).

fof(f243,plain,
    ! [X3,X4,X5] :
      ( is_a_theorem(implies(or(X3,or(X4,X5)),or(X4,or(X3,X5))))
      | ~ r4 ),
    inference(cnf_transformation,[],[f170]) ).

fof(f170,plain,
    ( ( r4
      | ~ is_a_theorem(implies(or(sK52,or(sK53,sK54)),or(sK53,or(sK52,sK54)))) )
    & ( ! [X3,X4,X5] : is_a_theorem(implies(or(X3,or(X4,X5)),or(X4,or(X3,X5))))
      | ~ r4 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK52,sK53,sK54])],[f168,f169]) ).

fof(f169,plain,
    ( ? [X0,X1,X2] : ~ is_a_theorem(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2))))
   => ~ is_a_theorem(implies(or(sK52,or(sK53,sK54)),or(sK53,or(sK52,sK54)))) ),
    introduced(choice_axiom,[]) ).

fof(f168,plain,
    ( ( r4
      | ? [X0,X1,X2] : ~ is_a_theorem(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2)))) )
    & ( ! [X3,X4,X5] : is_a_theorem(implies(or(X3,or(X4,X5)),or(X4,or(X3,X5))))
      | ~ r4 ) ),
    inference(rectify,[],[f167]) ).

fof(f167,plain,
    ( ( r4
      | ? [X0,X1,X2] : ~ is_a_theorem(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2)))) )
    & ( ! [X0,X1,X2] : is_a_theorem(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2))))
      | ~ r4 ) ),
    inference(nnf_transformation,[],[f58]) ).

fof(f58,plain,
    ( r4
  <=> ! [X0,X1,X2] : is_a_theorem(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2)))) ),
    inference(rectify,[],[f25]) ).

fof(f25,axiom,
    ( r4
  <=> ! [X3,X4,X5] : is_a_theorem(implies(or(X3,or(X4,X5)),or(X4,or(X3,X5)))) ),
    file('/export/starexec/sandbox2/tmp/tmp.ee0ntrMmZs/Vampire---4.8_28367',r4) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem    : LCL496+1 : TPTP v8.1.2. Released v3.3.0.
% 0.00/0.12  % Command    : vampire --ignore_missing on --mode portfolio/casc [--schedule casc_hol_2020] -p tptp -om szs -t %d %s
% 0.12/0.31  % Computer : n008.cluster.edu
% 0.12/0.31  % Model    : x86_64 x86_64
% 0.12/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.31  % Memory   : 8042.1875MB
% 0.12/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.31  % CPULimit   : 300
% 0.12/0.31  % WCLimit    : 300
% 0.12/0.31  % DateTime   : Wed Aug 30 14:48:47 EDT 2023
% 0.12/0.31  % CPUTime    : 
% 0.15/0.34  % (28519)Running in auto input_syntax mode. Trying TPTP
% 0.15/0.35  % (28520)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on Vampire---4 for (846ds/0Mi)
% 0.15/0.35  % (28521)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on Vampire---4 for (793ds/0Mi)
% 0.15/0.35  % (28523)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on Vampire---4 for (533ds/0Mi)
% 0.15/0.35  % (28522)dis+2_11_add=large:afr=on:amm=off:bd=off:bce=on:fsd=off:fde=none:gs=on:gsaa=full_model:gsem=off:irw=on:msp=off:nm=4:nwc=1.3:sas=z3:sims=off:sac=on:sp=reverse_arity_569 on Vampire---4 for (569ds/0Mi)
% 0.15/0.35  % (28524)ott+10_10:1_add=off:afr=on:amm=off:anc=all:bd=off:bs=on:fsr=off:irw=on:lma=on:msp=off:nm=4:nwc=4.0:sac=on:sp=reverse_frequency_531 on Vampire---4 for (531ds/0Mi)
% 0.15/0.35  % (28526)ott+1_64_av=off:bd=off:bce=on:fsd=off:fde=unused:gsp=on:irw=on:lcm=predicate:lma=on:nm=2:nwc=1.1:sims=off:urr=on_497 on Vampire---4 for (497ds/0Mi)
% 0.15/0.35  % (28525)ott-10_8_av=off:bd=preordered:bs=on:fsd=off:fsr=off:fde=unused:irw=on:lcm=predicate:lma=on:nm=4:nwc=1.7:sp=frequency_522 on Vampire---4 for (522ds/0Mi)
% 0.15/0.35  TRYING [1]
% 0.15/0.36  TRYING [2]
% 0.15/0.36  TRYING [1]
% 0.15/0.36  TRYING [2]
% 0.15/0.37  TRYING [3]
% 0.15/0.38  TRYING [3]
% 0.15/0.41  TRYING [4]
% 0.15/0.46  % (28525)First to succeed.
% 0.15/0.46  % (28525)Refutation found. Thanks to Tanya!
% 0.15/0.46  % SZS status Theorem for Vampire---4
% 0.15/0.46  % SZS output start Proof for Vampire---4
% See solution above
% 0.15/0.46  % (28525)------------------------------
% 0.15/0.46  % (28525)Version: Vampire 4.7 (commit 05ef610bd on 2023-06-21 19:03:17 +0100)
% 0.15/0.46  % (28525)Linked with Z3 4.9.1.0 6ed071b44407cf6623b8d3c0dceb2a8fb7040cee z3-4.8.4-6427-g6ed071b44
% 0.15/0.46  % (28525)Termination reason: Refutation
% 0.15/0.46  
% 0.15/0.46  % (28525)Memory used [KB]: 4093
% 0.15/0.46  % (28525)Time elapsed: 0.110 s
% 0.15/0.46  % (28525)------------------------------
% 0.15/0.46  % (28525)------------------------------
% 0.15/0.46  % (28519)Success in time 0.146 s
% 0.15/0.46  28522 Aborted by signal SIGHUP on /export/starexec/sandbox2/tmp/tmp.ee0ntrMmZs/Vampire---4.8_28367
% 0.15/0.46  % (28522)------------------------------
% 0.15/0.46  % (28522)Version: Vampire 4.7 (commit 05ef610bd on 2023-06-21 19:03:17 +0100)
% 0.15/0.46  % (28522)Linked with Z3 4.9.1.0 6ed071b44407cf6623b8d3c0dceb2a8fb7040cee z3-4.8.4-6427-g6ed071b44
% 0.15/0.46  % (28522)Termination reason: Refutation not found, SMT solver inside AVATAR returned Unknown
% 0.15/0.46  
% 0.15/0.46  % (28522)Memory used [KB]: 6140
% 0.15/0.46  % (28522)Time elapsed: 0.113 s
% 0.15/0.46  % (28522)------------------------------
% 0.15/0.46  % (28522)------------------------------
% 0.15/0.46  % Vampire---4.8 exiting
%------------------------------------------------------------------------------