TSTP Solution File: SYN075-1 by Vampire---4.9

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%------------------------------------------------------------------------------
% File     : Vampire---4.9
% Problem  : SYN075-1 : TPTP v8.2.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_vampire %s %d THM

% Computer : n001.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 : Mon Jun 24 20:01:12 EDT 2024

% Result   : Unsatisfiable 0.21s 0.44s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   20 (   6 unt;   0 def)
%            Number of atoms       :   39 (  23 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   38 (  19   ~;  19   |;   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   :   28 (  28   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f44,plain,
    $false,
    inference(resolution,[],[f35,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',unknown) ).

fof(f35,plain,
    ! [X0] : ~ big_f(a,X0),
    inference(superposition,[],[f32,f17]) ).

fof(f17,plain,
    ! [X0] : f(X0) = X0,
    inference(subsumption_resolution,[],[f12,f11]) ).

fof(f11,plain,
    ! [X0] :
      ( ~ big_f(g(X0),f(X0))
      | f(X0) = X0 ),
    inference(equality_resolution,[],[f4]) ).

fof(f4,axiom,
    ! [X0,X1] :
      ( g(X0) != X1
      | ~ big_f(X1,f(X0))
      | f(X0) = X0 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unknown) ).

fof(f12,plain,
    ! [X0] :
      ( f(X0) = X0
      | big_f(g(X0),f(X0)) ),
    inference(equality_resolution,[],[f6]) ).

fof(f6,axiom,
    ! [X0,X1] :
      ( g(X0) != X1
      | f(X0) = X0
      | big_f(X1,f(X0)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unknown) ).

fof(f32,plain,
    ! [X0] : ~ big_f(a,f(X0)),
    inference(trivial_inequality_removal,[],[f31]) ).

fof(f31,plain,
    ! [X0] :
      ( a != a
      | ~ big_f(a,f(X0)) ),
    inference(superposition,[],[f18,f28]) ).

fof(f28,plain,
    ! [X0] : a = h(X0,a),
    inference(equality_resolution,[],[f26]) ).

fof(f26,plain,
    ! [X0,X1] :
      ( a != X1
      | a = h(X0,X1) ),
    inference(equality_factoring,[],[f21]) ).

fof(f21,plain,
    ! [X0,X1] :
      ( h(X0,X1) = X1
      | a = h(X0,X1) ),
    inference(resolution,[],[f19,f1]) ).

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

fof(f19,plain,
    ! [X2,X0] :
      ( big_f(h(X0,X2),f(X0))
      | h(X0,X2) = X2 ),
    inference(subsumption_resolution,[],[f9,f17]) ).

fof(f9,axiom,
    ! [X2,X0] :
      ( f(X0) != X0
      | h(X0,X2) = X2
      | big_f(h(X0,X2),f(X0)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unknown) ).

fof(f18,plain,
    ! [X2,X0] :
      ( h(X0,X2) != X2
      | ~ big_f(h(X0,X2),f(X0)) ),
    inference(subsumption_resolution,[],[f10,f17]) ).

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

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem    : SYN075-1 : TPTP v8.2.0. Released v1.0.0.
% 0.08/0.13  % Command    : run_vampire %s %d THM
% 0.13/0.34  % Computer : n001.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit   : 300
% 0.13/0.34  % WCLimit    : 300
% 0.13/0.34  % DateTime   : Sun Jun 23 22:53:39 EDT 2024
% 0.13/0.35  % CPUTime    : 
% 0.13/0.36  This is a CNF_UNS_RFO_SEQ_NHN problem
% 0.13/0.37  Running first-order theorem proving
% 0.13/0.37  Running /export/starexec/sandbox2/solver/bin/vampire --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.21/0.43  % (1514)Running in auto input_syntax mode. Trying TPTP
% 0.21/0.43  % (1521)lrs+1010_1:1_to=lpo:sil=2000:sos=on:fd=off:i=117:bd=off_0 on theBenchmark for (2999ds/117Mi)
% 0.21/0.44  % (1514)Running in auto input_syntax mode. Trying TPTP
% 0.21/0.44  % (1515)ott+4_40_av=off:bce=on:fsd=off:fde=unused:nm=4:nwc=1.1:sos=all:sp=frequency:i=69040_0 on theBenchmark for (2999ds/69040Mi)
% 0.21/0.44  % (1521)First to succeed.
% 0.21/0.44  % (1521)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-1514"
% 0.21/0.44  % (1514)Running in auto input_syntax mode. Trying TPTP
% 0.21/0.44  % (1518)lrs+21_2461:262144_anc=none:drc=off:sil=2000:sp=occurrence:nwc=6.0:updr=off:st=3.0:i=109:sd=2:afp=4000:erml=3:nm=14:afq=2.0:uhcvi=on:ss=included:er=filter:abs=on:nicw=on:ile=on:sims=off:s2a=on:s2agt=50:s2at=-1.0:plsq=on:plsql=on:plsqc=2:plsqr=1,32:newcnf=on:bd=off:to=lpo_0 on theBenchmark for (2999ds/109Mi)
% 0.21/0.44  % (1515)Also succeeded, but the first one will report.
% 0.21/0.44  % (1514)Running in auto input_syntax mode. Trying TPTP
% 0.21/0.44  % (1521)Refutation found. Thanks to Tanya!
% 0.21/0.44  % SZS status Unsatisfiable for theBenchmark
% 0.21/0.44  % SZS output start Proof for theBenchmark
% See solution above
% 0.21/0.44  % (1521)------------------------------
% 0.21/0.44  % (1521)Version: Vampire 4.9 (commit 18c118a85 on 2024-06-08 21:14:20 +0100)
% 0.21/0.44  % (1521)Linked with Z3 4.12.3.0 79bbbf76d0c123481c8ca05cd3a98939270074d3 z3-4.8.4-7980-g79bbbf76d
% 0.21/0.44  % (1521)Termination reason: Refutation
% 0.21/0.44  
% 0.21/0.44  % (1521)Memory used [KB]: 1079
% 0.21/0.44  % (1521)Time elapsed: 0.005 s
% 0.21/0.44  % (1521)Instructions burned: 3 (million)
% 0.21/0.44  % (1521)------------------------------
% 0.21/0.44  % (1521)------------------------------
% 0.21/0.44  % (1514)Success in time 0.067 s
%------------------------------------------------------------------------------