TSTP Solution File: LCL153-1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : LCL153-1 : 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 : 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 : Tue Apr 30 13:40:39 EDT 2024

% Result   : Unsatisfiable 0.22s 0.49s
% Output   : Refutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   33
%            Number of leaves      :   11
% Syntax   : Number of formulae    :   75 (  75 unt;   0 def)
%            Number of atoms       :   75 (  74 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    3 (   3   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    4 (   2 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   3 con; 0-2 aty)
%            Number of variables   :   89 (  89   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f2223,plain,
    $false,
    inference(trivial_inequality_removal,[],[f2219]) ).

fof(f2219,plain,
    not(x) != not(x),
    inference(superposition,[],[f24,f2035]) ).

fof(f2035,plain,
    ! [X0] : not(X0) = xor(truth,X0),
    inference(forward_demodulation,[],[f2029,f521]) ).

fof(f521,plain,
    ! [X0] : or(X0,falsehood) = X0,
    inference(superposition,[],[f345,f7]) ).

fof(f7,axiom,
    ! [X0,X1] : or(X0,X1) = or(X1,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',or_commutativity) ).

fof(f345,plain,
    ! [X0] : or(falsehood,X0) = X0,
    inference(forward_demodulation,[],[f335,f1]) ).

fof(f1,axiom,
    ! [X0] : implies(truth,X0) = X0,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wajsberg_1) ).

fof(f335,plain,
    ! [X0] : implies(truth,X0) = or(falsehood,X0),
    inference(superposition,[],[f5,f310]) ).

fof(f310,plain,
    truth = not(falsehood),
    inference(superposition,[],[f300,f1]) ).

fof(f300,plain,
    truth = implies(truth,not(falsehood)),
    inference(superposition,[],[f80,f266]) ).

fof(f266,plain,
    truth = or(falsehood,not(falsehood)),
    inference(superposition,[],[f123,f82]) ).

fof(f82,plain,
    truth = implies(implies(falsehood,falsehood),truth),
    inference(superposition,[],[f78,f28]) ).

fof(f28,plain,
    ! [X0] : or(truth,X0) = implies(falsehood,X0),
    inference(superposition,[],[f5,f16]) ).

fof(f16,axiom,
    not(truth) = falsehood,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',false_definition) ).

fof(f78,plain,
    ! [X0] : truth = implies(or(X0,falsehood),X0),
    inference(forward_demodulation,[],[f67,f1]) ).

fof(f67,plain,
    ! [X0] : truth = implies(or(X0,falsehood),implies(truth,X0)),
    inference(superposition,[],[f20,f16]) ).

fof(f20,plain,
    ! [X0,X1] : truth = implies(or(X0,not(X1)),implies(X1,X0)),
    inference(forward_demodulation,[],[f4,f5]) ).

fof(f4,axiom,
    ! [X0,X1] : truth = implies(implies(not(X0),not(X1)),implies(X1,X0)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wajsberg_4) ).

fof(f123,plain,
    ! [X0] : or(X0,not(X0)) = implies(implies(falsehood,X0),truth),
    inference(forward_demodulation,[],[f122,f37]) ).

fof(f37,plain,
    ! [X0] : implies(falsehood,X0) = or(X0,truth),
    inference(superposition,[],[f28,f7]) ).

fof(f122,plain,
    ! [X0] : implies(or(X0,truth),truth) = or(X0,not(X0)),
    inference(forward_demodulation,[],[f107,f5]) ).

fof(f107,plain,
    ! [X0] : implies(implies(not(X0),truth),truth) = or(X0,not(X0)),
    inference(superposition,[],[f88,f5]) ).

fof(f88,plain,
    ! [X0] : implies(implies(X0,truth),truth) = implies(X0,X0),
    inference(superposition,[],[f3,f1]) ).

fof(f3,axiom,
    ! [X0,X1] : implies(implies(X0,X1),X1) = implies(implies(X1,X0),X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wajsberg_3) ).

fof(f80,plain,
    ! [X0] : truth = implies(or(falsehood,X0),X0),
    inference(superposition,[],[f78,f7]) ).

fof(f5,axiom,
    ! [X0,X1] : or(X0,X1) = implies(not(X0),X1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',or_definition) ).

fof(f2029,plain,
    ! [X0] : or(not(X0),falsehood) = xor(truth,X0),
    inference(backward_demodulation,[],[f1523,f2025]) ).

fof(f2025,plain,
    ! [X0] : falsehood = and(falsehood,X0),
    inference(forward_demodulation,[],[f1980,f16]) ).

fof(f1980,plain,
    ! [X0] : not(truth) = and(falsehood,X0),
    inference(backward_demodulation,[],[f1111,f1976]) ).

fof(f1976,plain,
    ! [X1] : truth = implies(X1,truth),
    inference(forward_demodulation,[],[f1935,f1]) ).

fof(f1935,plain,
    ! [X1] : truth = implies(implies(truth,X1),truth),
    inference(backward_demodulation,[],[f934,f1928]) ).

fof(f1928,plain,
    ! [X0] : truth = implies(falsehood,X0),
    inference(backward_demodulation,[],[f1348,f1927]) ).

fof(f1927,plain,
    ! [X0] : truth = implies(not(X0),truth),
    inference(forward_demodulation,[],[f1888,f395]) ).

fof(f395,plain,
    ! [X0] : truth = implies(implies(falsehood,X0),truth),
    inference(backward_demodulation,[],[f116,f347]) ).

fof(f347,plain,
    ! [X0] : truth = implies(X0,X0),
    inference(backward_demodulation,[],[f80,f345]) ).

fof(f116,plain,
    ! [X0] : implies(not(X0),not(X0)) = implies(implies(falsehood,X0),truth),
    inference(forward_demodulation,[],[f101,f37]) ).

fof(f101,plain,
    ! [X0] : implies(not(X0),not(X0)) = implies(or(X0,truth),truth),
    inference(superposition,[],[f88,f5]) ).

fof(f1888,plain,
    ! [X0] : truth = implies(not(X0),implies(implies(falsehood,X0),truth)),
    inference(superposition,[],[f919,f1348]) ).

fof(f919,plain,
    ! [X0,X1] : truth = implies(X0,implies(implies(X0,X1),X1)),
    inference(forward_demodulation,[],[f877,f1]) ).

fof(f877,plain,
    ! [X0,X1] : truth = implies(X0,implies(implies(X0,X1),implies(truth,X1))),
    inference(superposition,[],[f2,f1]) ).

fof(f2,axiom,
    ! [X2,X0,X1] : truth = implies(implies(X0,X1),implies(implies(X1,X2),implies(X0,X2))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wajsberg_2) ).

fof(f1348,plain,
    ! [X0] : implies(falsehood,X0) = implies(not(X0),truth),
    inference(superposition,[],[f1085,f839]) ).

fof(f839,plain,
    ! [X0] : not(not(X0)) = X0,
    inference(forward_demodulation,[],[f838,f1]) ).

fof(f838,plain,
    ! [X0] : implies(truth,X0) = not(not(X0)),
    inference(forward_demodulation,[],[f837,f403]) ).

fof(f403,plain,
    ! [X0] : truth = or(X0,not(X0)),
    inference(backward_demodulation,[],[f123,f395]) ).

fof(f837,plain,
    ! [X0] : not(not(X0)) = implies(or(X0,not(X0)),X0),
    inference(forward_demodulation,[],[f836,f7]) ).

fof(f836,plain,
    ! [X0] : not(not(X0)) = implies(or(not(X0),X0),X0),
    inference(forward_demodulation,[],[f835,f5]) ).

fof(f835,plain,
    ! [X0] : not(not(X0)) = implies(implies(not(not(X0)),X0),X0),
    inference(forward_demodulation,[],[f820,f1]) ).

fof(f820,plain,
    ! [X0] : implies(implies(not(not(X0)),X0),X0) = implies(truth,not(not(X0))),
    inference(superposition,[],[f3,f789]) ).

fof(f789,plain,
    ! [X0] : truth = implies(X0,not(not(X0))),
    inference(superposition,[],[f404,f1]) ).

fof(f404,plain,
    ! [X0] : truth = implies(truth,implies(X0,not(not(X0)))),
    inference(backward_demodulation,[],[f274,f395]) ).

fof(f274,plain,
    ! [X0] : truth = implies(implies(implies(falsehood,not(X0)),truth),implies(X0,not(not(X0)))),
    inference(superposition,[],[f72,f123]) ).

fof(f72,plain,
    ! [X0,X1] : truth = implies(or(not(X1),X0),implies(X1,X0)),
    inference(superposition,[],[f20,f7]) ).

fof(f1085,plain,
    ! [X0] : implies(falsehood,not(X0)) = implies(X0,truth),
    inference(superposition,[],[f956,f37]) ).

fof(f956,plain,
    ! [X0,X1] : implies(X0,X1) = or(not(X0),X1),
    inference(superposition,[],[f5,f839]) ).

fof(f934,plain,
    ! [X0,X1] : truth = implies(implies(implies(falsehood,X0),X1),truth),
    inference(forward_demodulation,[],[f907,f394]) ).

fof(f394,plain,
    ! [X0] : truth = implies(implies(X0,truth),truth),
    inference(backward_demodulation,[],[f88,f347]) ).

fof(f907,plain,
    ! [X0,X1] : truth = implies(implies(implies(falsehood,X0),X1),implies(implies(X1,truth),truth)),
    inference(superposition,[],[f2,f395]) ).

fof(f1111,plain,
    ! [X0] : not(implies(X0,truth)) = and(falsehood,X0),
    inference(backward_demodulation,[],[f481,f1085]) ).

fof(f481,plain,
    ! [X0] : not(implies(falsehood,not(X0))) = and(falsehood,X0),
    inference(forward_demodulation,[],[f336,f28]) ).

fof(f336,plain,
    ! [X0] : and(falsehood,X0) = not(or(truth,not(X0))),
    inference(superposition,[],[f8,f310]) ).

fof(f8,axiom,
    ! [X0,X1] : and(X0,X1) = not(or(not(X0),not(X1))),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',and_definition) ).

fof(f1523,plain,
    ! [X0] : xor(truth,X0) = or(not(X0),and(falsehood,X0)),
    inference(forward_demodulation,[],[f1479,f1111]) ).

fof(f1479,plain,
    ! [X0] : xor(truth,X0) = or(not(X0),not(implies(X0,truth))),
    inference(superposition,[],[f1068,f1]) ).

fof(f1068,plain,
    ! [X0,X1] : xor(X0,X1) = or(not(implies(X0,X1)),not(implies(X1,X0))),
    inference(backward_demodulation,[],[f1065,f1067]) ).

fof(f1067,plain,
    ! [X0,X1] : and(not(X0),X1) = not(implies(X1,X0)),
    inference(forward_demodulation,[],[f960,f956]) ).

fof(f960,plain,
    ! [X0,X1] : and(not(X0),X1) = not(or(not(X1),X0)),
    inference(superposition,[],[f33,f839]) ).

fof(f33,plain,
    ! [X0,X1] : and(X0,X1) = not(or(not(X1),not(X0))),
    inference(superposition,[],[f8,f7]) ).

fof(f1065,plain,
    ! [X0,X1] : xor(X0,X1) = or(not(implies(X0,X1)),and(not(X0),X1)),
    inference(backward_demodulation,[],[f11,f1064]) ).

fof(f1064,plain,
    ! [X0,X1] : not(implies(X1,X0)) = and(X1,not(X0)),
    inference(forward_demodulation,[],[f958,f956]) ).

fof(f958,plain,
    ! [X0,X1] : and(X1,not(X0)) = not(or(not(X1),X0)),
    inference(superposition,[],[f8,f839]) ).

fof(f11,axiom,
    ! [X0,X1] : xor(X0,X1) = or(and(X0,not(X1)),and(not(X0),X1)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',xor_definition) ).

fof(f24,plain,
    not(x) != xor(truth,x),
    inference(superposition,[],[f17,f12]) ).

fof(f12,axiom,
    ! [X0,X1] : xor(X0,X1) = xor(X1,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',xor_commutativity) ).

fof(f17,axiom,
    not(x) != xor(x,truth),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_alternative_wajsberg_axiom) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem    : LCL153-1 : TPTP v8.1.2. Released v1.0.0.
% 0.15/0.15  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.16/0.36  % Computer : n014.cluster.edu
% 0.16/0.36  % Model    : x86_64 x86_64
% 0.16/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.36  % Memory   : 8042.1875MB
% 0.16/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.36  % CPULimit   : 300
% 0.16/0.36  % WCLimit    : 300
% 0.16/0.36  % DateTime   : Mon Apr 29 22:46:04 EDT 2024
% 0.16/0.36  % CPUTime    : 
% 0.16/0.37  % (5887)Running in auto input_syntax mode. Trying TPTP
% 0.16/0.39  % (5888)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.16/0.39  TRYING [1]
% 0.16/0.39  TRYING [2]
% 0.16/0.40  % (5890)WARNING: value z3 for option sas not known
% 0.16/0.40  % (5889)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.16/0.40  % (5892)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)
% 0.16/0.40  % (5891)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.16/0.40  % (5890)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)
% 0.16/0.40  % (5894)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)
% 0.16/0.40  % (5893)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)
% 0.16/0.41  TRYING [1]
% 0.16/0.41  TRYING [2]
% 0.16/0.41  TRYING [3]
% 0.16/0.42  TRYING [3]
% 0.22/0.47  TRYING [4]
% 0.22/0.48  TRYING [4]
% 0.22/0.49  % (5893)First to succeed.
% 0.22/0.49  TRYING [1]
% 0.22/0.49  TRYING [2]
% 0.22/0.49  % (5893)Refutation found. Thanks to Tanya!
% 0.22/0.49  % SZS status Unsatisfiable for theBenchmark
% 0.22/0.49  % SZS output start Proof for theBenchmark
% See solution above
% 0.22/0.49  % (5893)------------------------------
% 0.22/0.49  % (5893)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.22/0.49  % (5893)Termination reason: Refutation
% 0.22/0.49  
% 0.22/0.49  % (5893)Memory used [KB]: 1537
% 0.22/0.49  % (5893)Time elapsed: 0.094 s
% 0.22/0.49  % (5893)Instructions burned: 118 (million)
% 0.22/0.49  % (5893)------------------------------
% 0.22/0.49  % (5893)------------------------------
% 0.22/0.49  % (5887)Success in time 0.122 s
%------------------------------------------------------------------------------