TSTP Solution File: LCL486+1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : LCL486+1 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n022.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 : Sun May  5 07:46:10 EDT 2024

% Result   : Theorem 2.90s 0.83s
% Output   : Refutation 2.90s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :   11
% Syntax   : Number of formulae    :   50 (  17 unt;   0 def)
%            Number of atoms       :   94 (   4 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   83 (  39   ~;  28   |;   2   &)
%                                         (   6 <=>;   8  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   4 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    8 (   6 usr;   6 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   3 con; 0-2 aty)
%            Number of variables   :   80 (  74   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f17158,plain,
    $false,
    inference(resolution,[],[f17156,f84]) ).

fof(f84,plain,
    r5,
    inference(cnf_transformation,[],[f40]) ).

fof(f40,axiom,
    r5,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',principia_r5) ).

fof(f17156,plain,
    ~ r5,
    inference(resolution,[],[f16496,f291]) ).

fof(f291,plain,
    ! [X2,X0,X1] :
      ( is_a_theorem(implies(implies(X1,X2),implies(implies(X0,X1),implies(X0,X2))))
      | ~ r5 ),
    inference(forward_demodulation,[],[f289,f111]) ).

fof(f111,plain,
    ! [X0,X1] : implies(X0,X1) = or(not(X0),X1),
    inference(resolution,[],[f97,f91]) ).

fof(f91,plain,
    op_implies_or,
    inference(cnf_transformation,[],[f32]) ).

fof(f32,axiom,
    op_implies_or,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',principia_op_implies_or) ).

fof(f97,plain,
    ! [X0,X1] :
      ( ~ op_implies_or
      | implies(X0,X1) = or(not(X0),X1) ),
    inference(cnf_transformation,[],[f67]) ).

fof(f67,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/sandbox/benchmark/theBenchmark.p',op_implies_or) ).

fof(f289,plain,
    ! [X2,X0,X1] :
      ( is_a_theorem(implies(implies(X1,X2),implies(implies(X0,X1),or(not(X0),X2))))
      | ~ r5 ),
    inference(superposition,[],[f108,f111]) ).

fof(f108,plain,
    ! [X2,X0,X1] :
      ( is_a_theorem(implies(implies(X1,X2),implies(or(X0,X1),or(X0,X2))))
      | ~ r5 ),
    inference(cnf_transformation,[],[f79]) ).

fof(f79,plain,
    ( ! [X0,X1,X2] : is_a_theorem(implies(implies(X1,X2),implies(or(X0,X1),or(X0,X2))))
    | ~ r5 ),
    inference(ennf_transformation,[],[f59]) ).

fof(f59,plain,
    ( r5
   => ! [X0,X1,X2] : is_a_theorem(implies(implies(X1,X2),implies(or(X0,X1),or(X0,X2)))) ),
    inference(unused_predicate_definition_removal,[],[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/sandbox/benchmark/theBenchmark.p',r5) ).

fof(f16496,plain,
    ~ is_a_theorem(implies(implies(sK1,sK2),implies(implies(sK0,sK1),implies(sK0,sK2)))),
    inference(resolution,[],[f2985,f85]) ).

fof(f85,plain,
    r4,
    inference(cnf_transformation,[],[f39]) ).

fof(f39,axiom,
    r4,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',principia_r4) ).

fof(f2985,plain,
    ( ~ r4
    | ~ is_a_theorem(implies(implies(sK1,sK2),implies(implies(sK0,sK1),implies(sK0,sK2)))) ),
    inference(resolution,[],[f1130,f273]) ).

fof(f273,plain,
    ! [X0] :
      ( ~ is_a_theorem(implies(X0,implies(implies(sK0,sK1),implies(implies(sK1,sK2),implies(sK0,sK2)))))
      | ~ is_a_theorem(X0) ),
    inference(resolution,[],[f272,f89]) ).

fof(f89,plain,
    modus_ponens,
    inference(cnf_transformation,[],[f35]) ).

fof(f35,axiom,
    modus_ponens,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',principia_modus_ponens) ).

fof(f272,plain,
    ! [X0] :
      ( ~ modus_ponens
      | ~ is_a_theorem(X0)
      | ~ is_a_theorem(implies(X0,implies(implies(sK0,sK1),implies(implies(sK1,sK2),implies(sK0,sK2))))) ),
    inference(resolution,[],[f271,f107]) ).

fof(f107,plain,
    ! [X0,X1] :
      ( is_a_theorem(X1)
      | ~ is_a_theorem(implies(X0,X1))
      | ~ is_a_theorem(X0)
      | ~ modus_ponens ),
    inference(cnf_transformation,[],[f78]) ).

fof(f78,plain,
    ( ! [X0,X1] :
        ( is_a_theorem(X1)
        | ~ is_a_theorem(implies(X0,X1))
        | ~ is_a_theorem(X0) )
    | ~ modus_ponens ),
    inference(flattening,[],[f77]) ).

fof(f77,plain,
    ( ! [X0,X1] :
        ( is_a_theorem(X1)
        | ~ is_a_theorem(implies(X0,X1))
        | ~ is_a_theorem(X0) )
    | ~ modus_ponens ),
    inference(ennf_transformation,[],[f66]) ).

fof(f66,plain,
    ( modus_ponens
   => ! [X0,X1] :
        ( ( is_a_theorem(implies(X0,X1))
          & is_a_theorem(X0) )
       => is_a_theorem(X1) ) ),
    inference(unused_predicate_definition_removal,[],[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/sandbox/benchmark/theBenchmark.p',modus_ponens) ).

fof(f271,plain,
    ~ is_a_theorem(implies(implies(sK0,sK1),implies(implies(sK1,sK2),implies(sK0,sK2)))),
    inference(resolution,[],[f102,f83]) ).

fof(f83,plain,
    ~ implies_3,
    inference(cnf_transformation,[],[f47]) ).

fof(f47,plain,
    ~ implies_3,
    inference(flattening,[],[f46]) ).

fof(f46,negated_conjecture,
    ~ implies_3,
    inference(negated_conjecture,[],[f45]) ).

fof(f45,conjecture,
    implies_3,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',hilbert_implies_3) ).

fof(f102,plain,
    ( implies_3
    | ~ is_a_theorem(implies(implies(sK0,sK1),implies(implies(sK1,sK2),implies(sK0,sK2)))) ),
    inference(cnf_transformation,[],[f82]) ).

fof(f82,plain,
    ( implies_3
    | ~ is_a_theorem(implies(implies(sK0,sK1),implies(implies(sK1,sK2),implies(sK0,sK2)))) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2])],[f72,f81]) ).

fof(f81,plain,
    ( ? [X0,X1,X2] : ~ is_a_theorem(implies(implies(X0,X1),implies(implies(X1,X2),implies(X0,X2))))
   => ~ is_a_theorem(implies(implies(sK0,sK1),implies(implies(sK1,sK2),implies(sK0,sK2)))) ),
    introduced(choice_axiom,[]) ).

fof(f72,plain,
    ( implies_3
    | ? [X0,X1,X2] : ~ is_a_theorem(implies(implies(X0,X1),implies(implies(X1,X2),implies(X0,X2)))) ),
    inference(ennf_transformation,[],[f64]) ).

fof(f64,plain,
    ( ! [X0,X1,X2] : is_a_theorem(implies(implies(X0,X1),implies(implies(X1,X2),implies(X0,X2))))
   => implies_3 ),
    inference(unused_predicate_definition_removal,[],[f6]) ).

fof(f6,axiom,
    ( implies_3
  <=> ! [X0,X1,X2] : is_a_theorem(implies(implies(X0,X1),implies(implies(X1,X2),implies(X0,X2)))) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',implies_3) ).

fof(f1130,plain,
    ! [X2,X0,X1] :
      ( is_a_theorem(implies(implies(X0,implies(X1,X2)),implies(X1,implies(X0,X2))))
      | ~ r4 ),
    inference(forward_demodulation,[],[f1118,f111]) ).

fof(f1118,plain,
    ! [X2,X0,X1] :
      ( is_a_theorem(implies(implies(X0,implies(X1,X2)),implies(X1,or(not(X0),X2))))
      | ~ r4 ),
    inference(superposition,[],[f309,f111]) ).

fof(f309,plain,
    ! [X2,X0,X1] :
      ( is_a_theorem(implies(or(X2,implies(X0,X1)),implies(X0,or(X2,X1))))
      | ~ r4 ),
    inference(forward_demodulation,[],[f305,f111]) ).

fof(f305,plain,
    ! [X2,X0,X1] :
      ( is_a_theorem(implies(or(X2,implies(X0,X1)),or(not(X0),or(X2,X1))))
      | ~ r4 ),
    inference(superposition,[],[f109,f111]) ).

fof(f109,plain,
    ! [X2,X0,X1] :
      ( is_a_theorem(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2))))
      | ~ r4 ),
    inference(cnf_transformation,[],[f80]) ).

fof(f80,plain,
    ( ! [X0,X1,X2] : is_a_theorem(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2))))
    | ~ r4 ),
    inference(ennf_transformation,[],[f60]) ).

fof(f60,plain,
    ( r4
   => ! [X0,X1,X2] : is_a_theorem(implies(or(X0,or(X1,X2)),or(X1,or(X0,X2)))) ),
    inference(unused_predicate_definition_removal,[],[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/sandbox/benchmark/theBenchmark.p',r4) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.05/0.13  % Problem    : LCL486+1 : TPTP v8.1.2. Released v3.3.0.
% 0.14/0.15  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.15/0.36  % Computer : n022.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   : Fri May  3 13:14:57 EDT 2024
% 0.15/0.36  % CPUTime    : 
% 0.15/0.37  % (1146)Running in auto input_syntax mode. Trying TPTP
% 0.15/0.38  % (1151)WARNING: value z3 for option sas not known
% 0.15/0.38  % (1152)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.15/0.38  % (1150)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.15/0.38  % (1153)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 theBenchmark for (531ds/0Mi)
% 0.15/0.38  % (1155)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 theBenchmark for (497ds/0Mi)
% 0.15/0.38  % (1154)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 theBenchmark for (522ds/0Mi)
% 0.15/0.38  % (1151)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 theBenchmark for (569ds/0Mi)
% 0.15/0.38  % (1148)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.15/0.39  TRYING [1]
% 0.15/0.39  TRYING [2]
% 0.15/0.39  TRYING [1]
% 0.15/0.39  TRYING [3]
% 0.15/0.39  TRYING [2]
% 0.15/0.40  TRYING [3]
% 0.15/0.41  TRYING [4]
% 0.23/0.44  TRYING [4]
% 0.23/0.50  TRYING [5]
% 2.90/0.81  TRYING [5]
% 2.90/0.82  % (1154)First to succeed.
% 2.90/0.82  % (1154)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-1146"
% 2.90/0.83  % (1154)Refutation found. Thanks to Tanya!
% 2.90/0.83  % SZS status Theorem for theBenchmark
% 2.90/0.83  % SZS output start Proof for theBenchmark
% See solution above
% 2.90/0.83  % (1154)------------------------------
% 2.90/0.83  % (1154)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 2.90/0.83  % (1154)Termination reason: Refutation
% 2.90/0.83  
% 2.90/0.83  % (1154)Memory used [KB]: 9547
% 2.90/0.83  % (1154)Time elapsed: 0.442 s
% 2.90/0.83  % (1154)Instructions burned: 1086 (million)
% 2.90/0.83  % (1146)Success in time 0.459 s
%------------------------------------------------------------------------------