TSTP Solution File: SET968+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET968+1 : TPTP v8.1.0. Released v3.2.0.
% 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 : n014.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 18:26:13 EDT 2022

% Result   : Theorem 0.20s 0.54s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   23 (  19 unt;   0 def)
%            Number of atoms       :   27 (  26 equ)
%            Maximal formula atoms :    2 (   1 avg)
%            Number of connectives :   17 (  13   ~;   0   |;   3   &)
%                                         (   0 <=>;   1  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   4 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   4 con; 0-2 aty)
%            Number of variables   :   51 (  39   !;  12   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f44,plain,
    $false,
    inference(subsumption_resolution,[],[f43,f33]) ).

fof(f33,plain,
    ! [X2,X0,X1] : set_union2(set_union2(X0,X2),X1) = set_union2(X0,set_union2(X2,X1)),
    inference(cnf_transformation,[],[f22]) ).

fof(f22,plain,
    ! [X0,X1,X2] : set_union2(set_union2(X0,X2),X1) = set_union2(X0,set_union2(X2,X1)),
    inference(rectify,[],[f12]) ).

fof(f12,plain,
    ! [X1,X2,X0] : set_union2(set_union2(X1,X0),X2) = set_union2(X1,set_union2(X0,X2)),
    inference(rectify,[],[f10]) ).

fof(f10,axiom,
    ! [X1,X0,X2] : set_union2(set_union2(X0,X1),X2) = set_union2(X0,set_union2(X1,X2)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t4_xboole_1) ).

fof(f43,plain,
    set_union2(cartesian_product2(sK3,sK1),set_union2(cartesian_product2(sK3,sK2),set_union2(cartesian_product2(sK4,sK1),cartesian_product2(sK4,sK2)))) != set_union2(set_union2(cartesian_product2(sK3,sK1),cartesian_product2(sK3,sK2)),set_union2(cartesian_product2(sK4,sK1),cartesian_product2(sK4,sK2))),
    inference(forward_demodulation,[],[f42,f33]) ).

fof(f42,plain,
    set_union2(set_union2(set_union2(cartesian_product2(sK3,sK1),cartesian_product2(sK3,sK2)),cartesian_product2(sK4,sK1)),cartesian_product2(sK4,sK2)) != set_union2(cartesian_product2(sK3,sK1),set_union2(cartesian_product2(sK3,sK2),set_union2(cartesian_product2(sK4,sK1),cartesian_product2(sK4,sK2)))),
    inference(backward_demodulation,[],[f41,f33]) ).

fof(f41,plain,
    set_union2(set_union2(set_union2(cartesian_product2(sK3,sK1),cartesian_product2(sK3,sK2)),cartesian_product2(sK4,sK1)),cartesian_product2(sK4,sK2)) != set_union2(set_union2(cartesian_product2(sK3,sK1),cartesian_product2(sK3,sK2)),set_union2(cartesian_product2(sK4,sK1),cartesian_product2(sK4,sK2))),
    inference(forward_demodulation,[],[f40,f32]) ).

fof(f32,plain,
    ! [X2,X0,X1] : cartesian_product2(X0,set_union2(X2,X1)) = set_union2(cartesian_product2(X0,X2),cartesian_product2(X0,X1)),
    inference(cnf_transformation,[],[f21]) ).

fof(f21,plain,
    ! [X0,X1,X2] :
      ( cartesian_product2(X0,set_union2(X2,X1)) = set_union2(cartesian_product2(X0,X2),cartesian_product2(X0,X1))
      & set_union2(cartesian_product2(X2,X0),cartesian_product2(X1,X0)) = cartesian_product2(set_union2(X2,X1),X0) ),
    inference(rectify,[],[f14]) ).

fof(f14,plain,
    ! [X1,X2,X0] :
      ( cartesian_product2(X1,set_union2(X0,X2)) = set_union2(cartesian_product2(X1,X0),cartesian_product2(X1,X2))
      & cartesian_product2(set_union2(X0,X2),X1) = set_union2(cartesian_product2(X0,X1),cartesian_product2(X2,X1)) ),
    inference(rectify,[],[f7]) ).

fof(f7,axiom,
    ! [X0,X2,X1] :
      ( cartesian_product2(X2,set_union2(X0,X1)) = set_union2(cartesian_product2(X2,X0),cartesian_product2(X2,X1))
      & cartesian_product2(set_union2(X0,X1),X2) = set_union2(cartesian_product2(X0,X2),cartesian_product2(X1,X2)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t120_zfmisc_1) ).

fof(f40,plain,
    set_union2(set_union2(set_union2(cartesian_product2(sK3,sK1),cartesian_product2(sK3,sK2)),cartesian_product2(sK4,sK1)),cartesian_product2(sK4,sK2)) != set_union2(cartesian_product2(sK3,set_union2(sK1,sK2)),set_union2(cartesian_product2(sK4,sK1),cartesian_product2(sK4,sK2))),
    inference(forward_demodulation,[],[f39,f32]) ).

fof(f39,plain,
    set_union2(cartesian_product2(sK3,set_union2(sK1,sK2)),cartesian_product2(sK4,set_union2(sK1,sK2))) != set_union2(set_union2(set_union2(cartesian_product2(sK3,sK1),cartesian_product2(sK3,sK2)),cartesian_product2(sK4,sK1)),cartesian_product2(sK4,sK2)),
    inference(forward_demodulation,[],[f36,f31]) ).

fof(f31,plain,
    ! [X2,X0,X1] : set_union2(cartesian_product2(X2,X0),cartesian_product2(X1,X0)) = cartesian_product2(set_union2(X2,X1),X0),
    inference(cnf_transformation,[],[f21]) ).

fof(f36,plain,
    set_union2(set_union2(set_union2(cartesian_product2(sK3,sK1),cartesian_product2(sK3,sK2)),cartesian_product2(sK4,sK1)),cartesian_product2(sK4,sK2)) != cartesian_product2(set_union2(sK3,sK4),set_union2(sK1,sK2)),
    inference(cnf_transformation,[],[f26]) ).

fof(f26,plain,
    set_union2(set_union2(set_union2(cartesian_product2(sK3,sK1),cartesian_product2(sK3,sK2)),cartesian_product2(sK4,sK1)),cartesian_product2(sK4,sK2)) != cartesian_product2(set_union2(sK3,sK4),set_union2(sK1,sK2)),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1,sK2,sK3,sK4])],[f24,f25]) ).

fof(f25,plain,
    ( ? [X0,X1,X2,X3] : cartesian_product2(set_union2(X2,X3),set_union2(X0,X1)) != set_union2(set_union2(set_union2(cartesian_product2(X2,X0),cartesian_product2(X2,X1)),cartesian_product2(X3,X0)),cartesian_product2(X3,X1))
   => set_union2(set_union2(set_union2(cartesian_product2(sK3,sK1),cartesian_product2(sK3,sK2)),cartesian_product2(sK4,sK1)),cartesian_product2(sK4,sK2)) != cartesian_product2(set_union2(sK3,sK4),set_union2(sK1,sK2)) ),
    introduced(choice_axiom,[]) ).

fof(f24,plain,
    ? [X0,X1,X2,X3] : cartesian_product2(set_union2(X2,X3),set_union2(X0,X1)) != set_union2(set_union2(set_union2(cartesian_product2(X2,X0),cartesian_product2(X2,X1)),cartesian_product2(X3,X0)),cartesian_product2(X3,X1)),
    inference(rectify,[],[f17]) ).

fof(f17,plain,
    ? [X3,X1,X2,X0] : cartesian_product2(set_union2(X2,X0),set_union2(X3,X1)) != set_union2(set_union2(set_union2(cartesian_product2(X2,X3),cartesian_product2(X2,X1)),cartesian_product2(X0,X3)),cartesian_product2(X0,X1)),
    inference(ennf_transformation,[],[f11]) ).

fof(f11,plain,
    ~ ! [X0,X1,X2,X3] : cartesian_product2(set_union2(X2,X0),set_union2(X3,X1)) = set_union2(set_union2(set_union2(cartesian_product2(X2,X3),cartesian_product2(X2,X1)),cartesian_product2(X0,X3)),cartesian_product2(X0,X1)),
    inference(rectify,[],[f9]) ).

fof(f9,negated_conjecture,
    ~ ! [X1,X3,X0,X2] : cartesian_product2(set_union2(X0,X1),set_union2(X2,X3)) = set_union2(set_union2(set_union2(cartesian_product2(X0,X2),cartesian_product2(X0,X3)),cartesian_product2(X1,X2)),cartesian_product2(X1,X3)),
    inference(negated_conjecture,[],[f8]) ).

fof(f8,conjecture,
    ! [X1,X3,X0,X2] : cartesian_product2(set_union2(X0,X1),set_union2(X2,X3)) = set_union2(set_union2(set_union2(cartesian_product2(X0,X2),cartesian_product2(X0,X3)),cartesian_product2(X1,X2)),cartesian_product2(X1,X3)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t121_zfmisc_1) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.13  % Problem    : SET968+1 : TPTP v8.1.0. Released v3.2.0.
% 0.12/0.14  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.14/0.35  % Computer : n014.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit   : 300
% 0.14/0.35  % WCLimit    : 300
% 0.14/0.35  % DateTime   : Tue Aug 30 14:33:33 EDT 2022
% 0.14/0.35  % CPUTime    : 
% 0.20/0.49  % (23093)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.20/0.50  % (23085)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.20/0.50  % (23095)ott+10_1:5_bd=off:tgt=full:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.20/0.51  % (23094)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 0.20/0.51  % (23103)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)
% 0.20/0.51  % (23086)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.20/0.52  % (23088)fmb+10_1:1_fmbsr=2.0:nm=4:skr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.20/0.52  TRYING [1]
% 0.20/0.53  % (23106)ott+11_1:1_drc=off:nwc=5.0:slsq=on:slsqc=1:spb=goal_then_units:to=lpo:i=467:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/467Mi)
% 0.20/0.53  % (23082)fmb+10_1:1_bce=on:fmbsr=1.5:nm=4:skr=on:i=191324:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/191324Mi)
% 0.20/0.53  TRYING [1]
% 0.20/0.53  TRYING [2]
% 0.20/0.53  % (23106)First to succeed.
% 0.20/0.53  % (23097)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=75:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/75Mi)
% 0.20/0.53  % (23087)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=48:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/48Mi)
% 0.20/0.53  % (23105)dis+21_1:1_av=off:er=filter:slsq=on:slsqc=0:slsqr=1,1:sp=frequency:to=lpo:i=498:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/498Mi)
% 0.20/0.53  % (23112)ott+10_7:2_awrs=decay:awrsf=8:bd=preordered:drc=off:fd=preordered:fde=unused:fsr=off:slsq=on:slsqc=2:slsqr=5,8:sp=const_min:spb=units:to=lpo:i=355:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/355Mi)
% 0.20/0.53  % (23104)ott+3_1:1_gsp=on:lcm=predicate:i=138:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/138Mi)
% 0.20/0.53  % (23102)ott+4_1:1_av=off:bd=off:nwc=5.0:rp=on:s2a=on:s2at=2.0:slsq=on:slsqc=2:slsql=off:slsqr=1,2:sp=frequency:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.20/0.54  % (23096)ins+10_1:1_awrs=decay:awrsf=30:bsr=unit_only:foolp=on:igrr=8/457:igs=10:igwr=on:nwc=1.5:sp=weighted_frequency:to=lpo:uhcvi=on:i=68:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/68Mi)
% 0.20/0.54  % (23089)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.20/0.54  % (23106)Refutation found. Thanks to Tanya!
% 0.20/0.54  % SZS status Theorem for theBenchmark
% 0.20/0.54  % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.54  % (23106)------------------------------
% 0.20/0.54  % (23106)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.54  % (23106)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.54  % (23106)Termination reason: Refutation
% 0.20/0.54  
% 0.20/0.54  % (23106)Memory used [KB]: 5373
% 0.20/0.54  % (23106)Time elapsed: 0.006 s
% 0.20/0.54  % (23106)Instructions burned: 2 (million)
% 0.20/0.54  % (23106)------------------------------
% 0.20/0.54  % (23106)------------------------------
% 0.20/0.54  % (23081)Success in time 0.181 s
%------------------------------------------------------------------------------