TSTP Solution File: SET068-7 by Vampire-SAT---4.8

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%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SET068-7 : TPTP v8.1.2. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n009.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 09:10:54 EDT 2024

% Result   : Unsatisfiable 8.35s 1.63s
% Output   : Refutation 8.92s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :   14
% Syntax   : Number of formulae    :   35 (  17 unt;   0 def)
%            Number of atoms       :   59 (  17 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   50 (  26   ~;  24   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   4 con; 0-2 aty)
%            Number of variables   :   47 (  47   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f14283,plain,
    $false,
    inference(resolution,[],[f13357,f96]) ).

fof(f96,axiom,
    ! [X0] : subclass(X0,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',subclass_is_reflexive) ).

fof(f13357,plain,
    ~ subclass(null_class,null_class),
    inference(backward_demodulation,[],[f249,f13335]) ).

fof(f13335,plain,
    null_class = singleton(y),
    inference(resolution,[],[f13228,f2894]) ).

fof(f2894,plain,
    ! [X0] :
      ( member(X0,singleton(X0))
      | singleton(X0) = null_class ),
    inference(duplicate_literal_removal,[],[f2893]) ).

fof(f2893,plain,
    ! [X0] :
      ( member(X0,singleton(X0))
      | singleton(X0) = null_class
      | singleton(X0) = null_class ),
    inference(superposition,[],[f66,f792]) ).

fof(f792,plain,
    ! [X0] :
      ( regular(singleton(X0)) = X0
      | singleton(X0) = null_class ),
    inference(resolution,[],[f789,f66]) ).

fof(f789,plain,
    ! [X0,X1] :
      ( ~ member(X1,singleton(X0))
      | X0 = X1 ),
    inference(duplicate_literal_removal,[],[f786]) ).

fof(f786,plain,
    ! [X0,X1] :
      ( ~ member(X1,singleton(X0))
      | X0 = X1
      | X0 = X1 ),
    inference(superposition,[],[f8,f12]) ).

fof(f12,axiom,
    ! [X0] : unordered_pair(X0,X0) = singleton(X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',singleton_set) ).

fof(f8,axiom,
    ! [X2,X0,X1] :
      ( ~ member(X2,unordered_pair(X0,X1))
      | X0 = X2
      | X1 = X2 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',unordered_pair_member) ).

fof(f66,axiom,
    ! [X0] :
      ( member(regular(X0),X0)
      | null_class = X0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',regularity1) ).

fof(f13228,plain,
    ! [X2] : ~ member(y,X2),
    inference(resolution,[],[f13190,f11]) ).

fof(f11,axiom,
    ! [X0,X1] : member(unordered_pair(X0,X1),universal_class),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',unordered_pairs_in_universal) ).

fof(f13190,plain,
    ! [X2,X0,X1] :
      ( ~ member(X0,X1)
      | ~ member(y,X2) ),
    inference(resolution,[],[f13187,f1184]) ).

fof(f1184,plain,
    ! [X2,X3,X0,X1] :
      ( member(X0,universal_class)
      | ~ member(X2,X3)
      | ~ member(X0,X1) ),
    inference(resolution,[],[f16,f95]) ).

fof(f95,axiom,
    ! [X2,X3,X0,X1] :
      ( ~ member(ordered_pair(X2,X3),cross_product(X0,X1))
      | member(X3,universal_class) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',corollary_2_to_cartesian_product) ).

fof(f16,axiom,
    ! [X2,X3,X0,X1] :
      ( member(ordered_pair(X2,X3),cross_product(X0,X1))
      | ~ member(X3,X1)
      | ~ member(X2,X0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cartesian_product3) ).

fof(f13187,plain,
    ~ member(y,universal_class),
    inference(resolution,[],[f13133,f9]) ).

fof(f9,axiom,
    ! [X0,X1] :
      ( member(X0,unordered_pair(X0,X1))
      | ~ member(X0,universal_class) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',unordered_pair2) ).

fof(f13133,plain,
    ~ member(y,unordered_pair(y,x)),
    inference(backward_demodulation,[],[f136,f13132]) ).

fof(f13132,plain,
    y = not_subclass_element(singleton(y),unordered_pair(y,x)),
    inference(forward_demodulation,[],[f12750,f108]) ).

fof(f108,axiom,
    ! [X0,X1] : unordered_pair(X0,X1) = unordered_pair(X1,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',commutativity_of_unordered_pair) ).

fof(f12750,plain,
    y = not_subclass_element(singleton(y),unordered_pair(x,y)),
    inference(resolution,[],[f793,f109]) ).

fof(f109,axiom,
    ~ subclass(singleton(y),unordered_pair(x,y)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_singleton_in_unordered_pair2_1) ).

fof(f793,plain,
    ! [X0,X1] :
      ( subclass(singleton(X0),X1)
      | not_subclass_element(singleton(X0),X1) = X0 ),
    inference(resolution,[],[f789,f2]) ).

fof(f2,axiom,
    ! [X0,X1] :
      ( member(not_subclass_element(X0,X1),X0)
      | subclass(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',not_subclass_members1) ).

fof(f136,plain,
    ~ member(not_subclass_element(singleton(y),unordered_pair(y,x)),unordered_pair(y,x)),
    inference(forward_demodulation,[],[f133,f108]) ).

fof(f133,plain,
    ~ member(not_subclass_element(singleton(y),unordered_pair(x,y)),unordered_pair(x,y)),
    inference(resolution,[],[f3,f109]) ).

fof(f3,axiom,
    ! [X0,X1] :
      ( subclass(X0,X1)
      | ~ member(not_subclass_element(X0,X1),X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',not_subclass_members2) ).

fof(f249,plain,
    ~ subclass(singleton(y),null_class),
    inference(resolution,[],[f245,f104]) ).

fof(f104,axiom,
    ! [X0] : subclass(null_class,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',null_class_is_subclass) ).

fof(f245,plain,
    ! [X0] :
      ( ~ subclass(X0,unordered_pair(y,x))
      | ~ subclass(singleton(y),X0) ),
    inference(forward_demodulation,[],[f237,f108]) ).

fof(f237,plain,
    ! [X0] :
      ( ~ subclass(X0,unordered_pair(x,y))
      | ~ subclass(singleton(y),X0) ),
    inference(resolution,[],[f97,f109]) ).

fof(f97,axiom,
    ! [X0,X1,X4] :
      ( subclass(X0,X4)
      | ~ subclass(X1,X4)
      | ~ subclass(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',transitivity_of_subclass) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem    : SET068-7 : TPTP v8.1.2. Bugfixed v2.1.0.
% 0.14/0.14  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.14/0.36  % Computer : n009.cluster.edu
% 0.14/0.36  % Model    : x86_64 x86_64
% 0.14/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.36  % Memory   : 8042.1875MB
% 0.14/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36  % CPULimit   : 300
% 0.14/0.36  % WCLimit    : 300
% 0.14/0.36  % DateTime   : Fri May  3 16:40:38 EDT 2024
% 0.14/0.36  % CPUTime    : 
% 0.21/0.36  % (23889)Running in auto input_syntax mode. Trying TPTP
% 0.21/0.38  % (23891)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.21/0.38  % (23892)WARNING: value z3 for option sas not known
% 0.21/0.38  % (23890)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.21/0.38  % (23893)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.21/0.38  % (23892)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)
% 0.21/0.38  % (23894)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)
% 0.21/0.38  % (23896)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)
% 0.21/0.39  % (23895)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)
% 0.21/0.42  TRYING [1]
% 0.21/0.42  TRYING [2]
% 0.21/0.48  TRYING [3]
% 0.21/0.54  TRYING [1]
% 1.40/0.55  TRYING [2]
% 1.53/0.58  TRYING [4]
% 1.96/0.65  TRYING [1]
% 1.96/0.65  TRYING [3]
% 1.96/0.65  TRYING [2]
% 2.18/0.67  TRYING [3]
% 2.67/0.74  TRYING [4]
% 4.08/0.95  TRYING [5]
% 4.30/0.97  TRYING [5]
% 8.35/1.62  TRYING [4]
% 8.35/1.62  % (23895)First to succeed.
% 8.35/1.62  % (23895)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-23889"
% 8.35/1.63  % (23895)Refutation found. Thanks to Tanya!
% 8.35/1.63  % SZS status Unsatisfiable for theBenchmark
% 8.35/1.63  % SZS output start Proof for theBenchmark
% See solution above
% 8.92/1.63  % (23895)------------------------------
% 8.92/1.63  % (23895)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 8.92/1.63  % (23895)Termination reason: Refutation
% 8.92/1.63  
% 8.92/1.63  % (23895)Memory used [KB]: 10168
% 8.92/1.63  % (23895)Time elapsed: 1.240 s
% 8.92/1.63  % (23895)Instructions burned: 2501 (million)
% 8.92/1.63  % (23889)Success in time 1.26 s
%------------------------------------------------------------------------------