TSTP Solution File: SYN077-1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SYN077-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s

% Computer : n016.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 31 19:36:49 EDT 2022

% Result   : Unsatisfiable 1.58s 0.56s
% Output   : Refutation 1.58s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   34 (   7 unt;   0 def)
%            Number of atoms       :   83 (   3 equ)
%            Maximal formula atoms :    5 (   2 avg)
%            Number of connectives :   87 (  38   ~;  49   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   1 con; 0-2 aty)
%            Number of variables   :   28 (  28   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f81,plain,
    $false,
    inference(subsumption_resolution,[],[f80,f54]) ).

fof(f54,plain,
    big_f(a,a),
    inference(subsumption_resolution,[],[f53,f24]) ).

fof(f24,plain,
    ( big_f(g(i(a,a),h(a)),h(a))
    | big_f(a,a) ),
    inference(subsumption_resolution,[],[f22,f5]) ).

fof(f5,axiom,
    ! [X0] :
      ( big_f(X0,h(X0))
      | big_f(X0,a) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_5) ).

fof(f22,plain,
    ( big_f(a,a)
    | big_f(g(i(a,a),h(a)),h(a))
    | ~ big_f(a,h(a)) ),
    inference(duplicate_literal_removal,[],[f18]) ).

fof(f18,plain,
    ( big_f(a,a)
    | big_f(g(i(a,a),h(a)),h(a))
    | ~ big_f(a,h(a))
    | big_f(a,a) ),
    inference(resolution,[],[f16,f7]) ).

fof(f7,axiom,
    ! [X0,X1] :
      ( big_f(i(X0,X1),h(X0))
      | ~ big_f(X1,h(X0))
      | big_f(X0,a) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_7) ).

fof(f16,plain,
    ! [X3] :
      ( ~ big_f(i(a,a),X3)
      | big_f(g(i(a,a),X3),X3)
      | big_f(a,a) ),
    inference(resolution,[],[f11,f3]) ).

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

fof(f11,plain,
    ! [X0] :
      ( big_f(i(X0,X0),X0)
      | big_f(X0,a) ),
    inference(duplicate_literal_removal,[],[f10]) ).

fof(f10,plain,
    ! [X0] :
      ( big_f(X0,a)
      | big_f(i(X0,X0),X0)
      | big_f(X0,a) ),
    inference(resolution,[],[f6,f5]) ).

fof(f6,axiom,
    ! [X0,X1] :
      ( ~ big_f(X0,h(X1))
      | big_f(X1,a)
      | big_f(i(X1,X0),X0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_6) ).

fof(f53,plain,
    ( big_f(a,a)
    | ~ big_f(g(i(a,a),h(a)),h(a)) ),
    inference(duplicate_literal_removal,[],[f52]) ).

fof(f52,plain,
    ( ~ big_f(g(i(a,a),h(a)),h(a))
    | big_f(a,a)
    | big_f(a,a) ),
    inference(resolution,[],[f39,f7]) ).

fof(f39,plain,
    ( ~ big_f(i(a,g(i(a,a),h(a))),h(a))
    | big_f(a,a) ),
    inference(duplicate_literal_removal,[],[f38]) ).

fof(f38,plain,
    ( ~ big_f(i(a,g(i(a,a),h(a))),h(a))
    | big_f(a,a)
    | big_f(a,a) ),
    inference(resolution,[],[f35,f31]) ).

fof(f31,plain,
    ! [X0] :
      ( ~ big_f(X0,g(i(a,a),h(a)))
      | ~ big_f(X0,h(a))
      | big_f(a,a) ),
    inference(subsumption_resolution,[],[f29,f5]) ).

fof(f29,plain,
    ! [X0] :
      ( ~ big_f(X0,g(i(a,a),h(a)))
      | ~ big_f(X0,h(a))
      | ~ big_f(a,h(a))
      | big_f(a,a) ),
    inference(duplicate_literal_removal,[],[f25]) ).

fof(f25,plain,
    ! [X0] :
      ( big_f(a,a)
      | ~ big_f(X0,h(a))
      | big_f(a,a)
      | ~ big_f(X0,g(i(a,a),h(a)))
      | ~ big_f(a,h(a)) ),
    inference(resolution,[],[f15,f7]) ).

fof(f15,plain,
    ! [X2,X1] :
      ( ~ big_f(i(a,a),X1)
      | ~ big_f(X2,g(i(a,a),X1))
      | big_f(a,a)
      | ~ big_f(X2,X1) ),
    inference(resolution,[],[f11,f4]) ).

fof(f4,axiom,
    ! [X2,X0,X1] :
      ( ~ big_f(X0,a)
      | ~ big_f(X0,X1)
      | ~ big_f(X2,g(X0,X1))
      | ~ big_f(X2,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_4) ).

fof(f35,plain,
    ( big_f(i(a,g(i(a,a),h(a))),g(i(a,a),h(a)))
    | big_f(a,a) ),
    inference(duplicate_literal_removal,[],[f34]) ).

fof(f34,plain,
    ( big_f(a,a)
    | big_f(i(a,g(i(a,a),h(a))),g(i(a,a),h(a)))
    | big_f(a,a) ),
    inference(resolution,[],[f24,f6]) ).

fof(f80,plain,
    ~ big_f(a,a),
    inference(forward_demodulation,[],[f78,f62]) ).

fof(f62,plain,
    a = g(a,f(a)),
    inference(resolution,[],[f59,f1]) ).

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

fof(f59,plain,
    big_f(g(a,f(a)),f(a)),
    inference(resolution,[],[f56,f8]) ).

fof(f8,plain,
    ! [X1] : big_f(X1,f(X1)),
    inference(equality_resolution,[],[f2]) ).

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

fof(f56,plain,
    ! [X2] :
      ( ~ big_f(a,X2)
      | big_f(g(a,X2),X2) ),
    inference(resolution,[],[f54,f3]) ).

fof(f78,plain,
    ~ big_f(g(a,f(a)),a),
    inference(resolution,[],[f72,f59]) ).

fof(f72,plain,
    ! [X2] :
      ( ~ big_f(X2,f(a))
      | ~ big_f(X2,a) ),
    inference(forward_demodulation,[],[f71,f62]) ).

fof(f71,plain,
    ! [X2] :
      ( ~ big_f(X2,g(a,f(a)))
      | ~ big_f(X2,f(a)) ),
    inference(resolution,[],[f55,f8]) ).

fof(f55,plain,
    ! [X0,X1] :
      ( ~ big_f(a,X0)
      | ~ big_f(X1,g(a,X0))
      | ~ big_f(X1,X0) ),
    inference(resolution,[],[f54,f4]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem    : SYN077-1 : TPTP v8.1.0. Released v1.0.0.
% 0.04/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.13/0.34  % Computer : n016.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   : Tue Aug 30 21:51:01 EDT 2022
% 0.13/0.35  % CPUTime    : 
% 0.20/0.53  % (30227)ott+10_1:8_bsd=on:fsd=on:lcm=predicate:nwc=5.0:s2a=on:s2at=1.5:spb=goal_then_units:i=176:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/176Mi)
% 0.20/0.54  % (30219)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 0.20/0.54  % (30209)ott+4_1:1_av=off:bd=off:nwc=5.0:s2a=on:s2at=2.0:slsq=on:slsqc=2:slsql=off:slsqr=1,2:sp=frequency:i=37:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/37Mi)
% 0.20/0.54  % (30209)First to succeed.
% 1.58/0.56  % (30219)Also succeeded, but the first one will report.
% 1.58/0.56  % (30209)Refutation found. Thanks to Tanya!
% 1.58/0.56  % SZS status Unsatisfiable for theBenchmark
% 1.58/0.56  % SZS output start Proof for theBenchmark
% See solution above
% 1.58/0.56  % (30209)------------------------------
% 1.58/0.56  % (30209)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.58/0.56  % (30209)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.58/0.56  % (30209)Termination reason: Refutation
% 1.58/0.56  
% 1.58/0.56  % (30209)Memory used [KB]: 895
% 1.58/0.56  % (30209)Time elapsed: 0.117 s
% 1.58/0.56  % (30209)Instructions burned: 4 (million)
% 1.58/0.56  % (30209)------------------------------
% 1.58/0.56  % (30209)------------------------------
% 1.58/0.56  % (30206)Success in time 0.205 s
%------------------------------------------------------------------------------