TSTP Solution File: LCL161-1 by Vampire-SAT---4.8

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%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : LCL161-1 : 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 : n025.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 07:44:14 EDT 2024

% Result   : Unsatisfiable 0.13s 0.37s
% Output   : Refutation 0.13s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   22 (  22 unt;   0 def)
%            Number of atoms       :   22 (  21 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    2 (   2   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    3 (   2 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   3 con; 0-2 aty)
%            Number of variables   :   25 (  25   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f135,plain,
    $false,
    inference(trivial_inequality_removal,[],[f134]) ).

fof(f134,plain,
    x != x,
    inference(superposition,[],[f14,f132]) ).

fof(f132,plain,
    ! [X0] : implies(truth,X0) = X0,
    inference(forward_demodulation,[],[f131,f100]) ).

fof(f100,plain,
    ! [X0] : not(not(X0)) = X0,
    inference(forward_demodulation,[],[f99,f2]) ).

fof(f2,axiom,
    ! [X0] : xor(X0,falsehood) = X0,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_2) ).

fof(f99,plain,
    ! [X0] : xor(X0,falsehood) = not(not(X0)),
    inference(forward_demodulation,[],[f90,f12]) ).

fof(f12,axiom,
    falsehood = not(truth),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',false_definition) ).

fof(f90,plain,
    ! [X0] : not(not(X0)) = xor(X0,not(truth)),
    inference(superposition,[],[f37,f1]) ).

fof(f1,axiom,
    ! [X0] : not(X0) = xor(X0,truth),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_1) ).

fof(f37,plain,
    ! [X0,X1] : xor(not(X0),X1) = xor(X0,not(X1)),
    inference(backward_demodulation,[],[f15,f26]) ).

fof(f26,plain,
    ! [X0] : not(X0) = xor(truth,X0),
    inference(superposition,[],[f9,f1]) ).

fof(f9,axiom,
    ! [X0,X1] : xor(X0,X1) = xor(X1,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',xor_commutativity) ).

fof(f15,plain,
    ! [X0,X1] : xor(X0,xor(truth,X1)) = xor(not(X0),X1),
    inference(forward_demodulation,[],[f7,f1]) ).

fof(f7,axiom,
    ! [X0,X1] : xor(X0,xor(truth,X1)) = xor(xor(X0,truth),X1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_7) ).

fof(f131,plain,
    ! [X0] : not(not(X0)) = implies(truth,X0),
    inference(forward_demodulation,[],[f119,f26]) ).

fof(f119,plain,
    ! [X0] : xor(truth,not(X0)) = implies(truth,X0),
    inference(superposition,[],[f39,f61]) ).

fof(f61,plain,
    ! [X0] : and_star(truth,X0) = X0,
    inference(superposition,[],[f11,f4]) ).

fof(f4,axiom,
    ! [X0] : and_star(X0,truth) = X0,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_4) ).

fof(f11,axiom,
    ! [X0,X1] : and_star(X0,X1) = and_star(X1,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',and_star_commutativity) ).

fof(f39,plain,
    ! [X0,X1] : implies(X0,X1) = xor(truth,and_star(X0,not(X1))),
    inference(backward_demodulation,[],[f13,f26]) ).

fof(f13,axiom,
    ! [X0,X1] : implies(X0,X1) = xor(truth,and_star(X0,xor(truth,X1))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',implies_definition) ).

fof(f14,axiom,
    x != implies(truth,x),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_wajsberg_axiom) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : LCL161-1 : TPTP v8.1.2. Released v1.0.0.
% 0.07/0.13  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.13/0.34  % Computer : n025.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   : Fri May  3 14:08:13 EDT 2024
% 0.13/0.34  % CPUTime    : 
% 0.13/0.35  % (16978)Running in auto input_syntax mode. Trying TPTP
% 0.13/0.36  % (16982)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.13/0.36  TRYING [1]
% 0.13/0.36  TRYING [2]
% 0.13/0.36  TRYING [3]
% 0.13/0.36  TRYING [4]
% 0.13/0.36  % (16981)WARNING: value z3 for option sas not known
% 0.13/0.37  % (16979)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.13/0.37  % (16980)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.13/0.37  % (16981)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)
% 0.13/0.37  % (16983)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)
% 0.13/0.37  % (16984)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)
% 0.13/0.37  % (16985)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)
% 0.13/0.37  TRYING [1]
% 0.13/0.37  % (16984)First to succeed.
% 0.13/0.37  % (16984)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-16978"
% 0.13/0.37  TRYING [2]
% 0.13/0.37  % (16984)Refutation found. Thanks to Tanya!
% 0.13/0.37  % SZS status Unsatisfiable for theBenchmark
% 0.13/0.37  % SZS output start Proof for theBenchmark
% See solution above
% 0.13/0.37  % (16984)------------------------------
% 0.13/0.37  % (16984)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.13/0.37  % (16984)Termination reason: Refutation
% 0.13/0.37  
% 0.13/0.37  % (16984)Memory used [KB]: 845
% 0.13/0.37  % (16984)Time elapsed: 0.007 s
% 0.13/0.37  % (16984)Instructions burned: 8 (million)
% 0.13/0.37  % (16978)Success in time 0.023 s
%------------------------------------------------------------------------------