TSTP Solution File: SYN074-1 by Vampire-SAT---4.8

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%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SYN074-1 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n018.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 12:08:48 EDT 2024

% Result   : Unsatisfiable 0.15s 0.38s
% Output   : Refutation 0.15s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   25 (   5 unt;   0 def)
%            Number of atoms       :   54 (  35 equ)
%            Maximal formula atoms :    3 (   2 avg)
%            Number of connectives :   57 (  28   ~;  29   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :   26 (  26   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f79,plain,
    $false,
    inference(resolution,[],[f78,f16]) ).

fof(f16,plain,
    big_f(a,b),
    inference(equality_resolution,[],[f15]) ).

fof(f15,plain,
    ! [X1] :
      ( b != X1
      | big_f(a,X1) ),
    inference(equality_resolution,[],[f3]) ).

fof(f3,axiom,
    ! [X0,X1] :
      ( a != X0
      | b != X1
      | big_f(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause_3) ).

fof(f78,plain,
    ~ big_f(a,b),
    inference(trivial_inequality_removal,[],[f77]) ).

fof(f77,plain,
    ( a != a
    | ~ big_f(a,b) ),
    inference(forward_demodulation,[],[f76,f30]) ).

fof(f30,plain,
    a = f(a),
    inference(equality_resolution,[],[f28]) ).

fof(f28,plain,
    ! [X0] :
      ( a != X0
      | f(X0) = X0 ),
    inference(equality_factoring,[],[f23]) ).

fof(f23,plain,
    ! [X0] :
      ( a = f(X0)
      | f(X0) = X0 ),
    inference(resolution,[],[f1,f12]) ).

fof(f12,plain,
    ! [X0] :
      ( big_f(f(X0),g(X0))
      | f(X0) = X0 ),
    inference(equality_resolution,[],[f8]) ).

fof(f8,axiom,
    ! [X0,X1] :
      ( g(X0) != X1
      | f(X0) = X0
      | big_f(f(X0),X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause_8) ).

fof(f1,axiom,
    ! [X0,X1] :
      ( ~ big_f(X0,X1)
      | a = X0 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause_1) ).

fof(f76,plain,
    ( a != f(a)
    | ~ big_f(a,b) ),
    inference(trivial_inequality_removal,[],[f75]) ).

fof(f75,plain,
    ( b != b
    | a != f(a)
    | ~ big_f(a,b) ),
    inference(superposition,[],[f18,f73]) ).

fof(f73,plain,
    b = h(a,b),
    inference(equality_resolution,[],[f66]) ).

fof(f66,plain,
    ! [X0] :
      ( b != X0
      | b = h(a,X0) ),
    inference(equality_factoring,[],[f58]) ).

fof(f58,plain,
    ! [X0] :
      ( h(a,X0) = X0
      | b = h(a,X0) ),
    inference(resolution,[],[f56,f2]) ).

fof(f2,axiom,
    ! [X0,X1] :
      ( ~ big_f(X0,X1)
      | b = X1 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause_2) ).

fof(f56,plain,
    ! [X0] :
      ( big_f(a,h(a,X0))
      | h(a,X0) = X0 ),
    inference(trivial_inequality_removal,[],[f55]) ).

fof(f55,plain,
    ! [X0] :
      ( a != a
      | h(a,X0) = X0
      | big_f(a,h(a,X0)) ),
    inference(superposition,[],[f19,f30]) ).

fof(f19,plain,
    ! [X2,X0] :
      ( f(X0) != X0
      | h(X0,X2) = X2
      | big_f(X0,h(X0,X2)) ),
    inference(inner_rewriting,[],[f10]) ).

fof(f10,axiom,
    ! [X2,X0] :
      ( f(X0) != X0
      | h(X0,X2) = X2
      | big_f(f(X0),h(X0,X2)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause_10) ).

fof(f18,plain,
    ! [X2,X0] :
      ( h(X0,X2) != X2
      | f(X0) != X0
      | ~ big_f(X0,X2) ),
    inference(inner_rewriting,[],[f17]) ).

fof(f17,plain,
    ! [X2,X0] :
      ( f(X0) != X0
      | h(X0,X2) != X2
      | ~ big_f(X0,h(X0,X2)) ),
    inference(inner_rewriting,[],[f11]) ).

fof(f11,axiom,
    ! [X2,X0] :
      ( f(X0) != X0
      | h(X0,X2) != X2
      | ~ big_f(f(X0),h(X0,X2)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause_11) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.13  % Problem    : SYN074-1 : TPTP v8.1.2. Released v1.0.0.
% 0.12/0.15  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.15/0.36  % Computer : n018.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 17:47:38 EDT 2024
% 0.15/0.36  % CPUTime    : 
% 0.15/0.36  % (15952)Running in auto input_syntax mode. Trying TPTP
% 0.15/0.38  % (15955)WARNING: value z3 for option sas not known
% 0.15/0.38  % (15954)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  % (15956)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.15/0.38  % (15953)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.15/0.38  % (15955)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  % (15957)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  % (15958)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  % (15959)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  TRYING [1]
% 0.15/0.38  TRYING [2]
% 0.15/0.38  TRYING [3]
% 0.15/0.38  % (15958)First to succeed.
% 0.15/0.38  % (15958)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-15952"
% 0.15/0.38  TRYING [4]
% 0.15/0.38  % (15958)Refutation found. Thanks to Tanya!
% 0.15/0.38  % SZS status Unsatisfiable for theBenchmark
% 0.15/0.38  % SZS output start Proof for theBenchmark
% See solution above
% 0.15/0.38  % (15958)------------------------------
% 0.15/0.38  % (15958)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.15/0.38  % (15958)Termination reason: Refutation
% 0.15/0.38  
% 0.15/0.38  % (15958)Memory used [KB]: 769
% 0.15/0.38  % (15958)Time elapsed: 0.005 s
% 0.15/0.38  % (15958)Instructions burned: 5 (million)
% 0.15/0.38  % (15952)Success in time 0.009 s
%------------------------------------------------------------------------------