%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : FLD017-1 : TPTP v9.3.1. Bugfixed v2.1.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% Computer : n019.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Tue Sep 29 09:49:34 AM UTC 2026
% Result : Unsatisfiable 0.20s 0.29s
% Output : Refutation 0.20s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 7
% Syntax : Number of formulae : 19 ( 10 unt; 0 def)
% Number of atoms : 33 ( 0 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 27 ( 13 ~; 14 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 3 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 3 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 4 con; 0-2 aty)
% Number of variables : 19 ( 19 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f22,axiom,
! [X0,X1] :
( equalish(X0,X1)
| ~ equalish(X1,X0) ),
file('/export/starexec/sandbox2/benchmark/Axioms/FLD001-0.ax',symmetry_of_equality) ).
fof(f23,axiom,
! [X2,X0,X1] :
( equalish(X0,X1)
| ~ equalish(X0,X2)
| ~ equalish(X2,X1) ),
file('/export/starexec/sandbox2/benchmark/Axioms/FLD001-0.ax',transitivity_of_equality) ).
fof(f24,axiom,
! [X2,X0,X1] :
( equalish(add(X0,X1),add(X2,X1))
| ~ defined(X1)
| ~ equalish(X0,X2) ),
file('/export/starexec/sandbox2/benchmark/Axioms/FLD001-0.ax',compatibility_of_equality_and_addition) ).
fof(f29,axiom,
defined(b),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',b_is_defined) ).
fof(f32,negated_conjecture,
equalish(a,x),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',a_equals_x_5) ).
fof(f33,negated_conjecture,
equalish(add(a,b),c),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',add_equals_c_6) ).
fof(f34,negated_conjecture,
~ equalish(add(x,b),c),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',add_not_equal_to_c_7) ).
fof(f51,plain,
! [X0,X1] :
( ~ equalish(X0,X1)
| equalish(X1,X0) ),
inference(consistent_polarity_flipping,[],[f22]) ).
fof(f52,plain,
! [X2,X0,X1] :
( ~ equalish(X0,X1)
| equalish(X0,X2)
| equalish(X2,X1) ),
inference(consistent_polarity_flipping,[],[f23]) ).
fof(f53,plain,
! [X2,X0,X1] :
( ~ equalish(add(X0,X1),add(X2,X1))
| ~ defined(X1)
| equalish(X0,X2) ),
inference(consistent_polarity_flipping,[],[f24]) ).
fof(f57,plain,
~ equalish(a,x),
inference(consistent_polarity_flipping,[],[f32]) ).
fof(f58,plain,
~ equalish(add(a,b),c),
inference(consistent_polarity_flipping,[],[f33]) ).
fof(f59,plain,
equalish(add(x,b),c),
inference(consistent_polarity_flipping,[],[f34]) ).
fof(f92,plain,
! [X0] :
( equalish(add(x,b),X0)
| equalish(X0,c) ),
inference(resolution,[],[f52,f59]) ).
fof(f117,plain,
! [X0] :
( equalish(add(X0,b),c)
| ~ defined(b)
| equalish(x,X0) ),
inference(resolution,[],[f92,f53]) ).
fof(f124,plain,
! [X0] :
( equalish(add(X0,b),c)
| equalish(x,X0) ),
inference(forward_subsumption_resolution,[],[f117,f29]) ).
fof(f184,plain,
equalish(x,a),
inference(resolution,[],[f124,f58]) ).
fof(f232,plain,
equalish(a,x),
inference(resolution,[],[f184,f51]) ).
fof(f233,plain,
$false,
inference(forward_subsumption_resolution,[],[f232,f57]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : FLD017-1 : TPTP v9.3.1. Bugfixed v2.1.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.08/0.19 % Computer : n019.cluster.edu
% 0.08/0.19 % Model : x86_64 x86_64
% 0.08/0.19 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.19 % Memory : 8046.5625MB
% 0.08/0.19 % OS : Linux 6.8.0-71-generic
% 0.08/0.20 % CPULimit : 300
% 0.08/0.20 % WCLimit : 300
% 0.08/0.20 % DateTime : Tue Sep 29 00:27:48 UTC 2026
% 0.08/0.20 % CPUTime :
% 0.08/0.20 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.08/0.23 Running first-order model finding
% 0.08/0.23 Running: /export/starexec/sandbox2/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc --intent sat -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.20/0.29 % (422159)Will run a generic schedule for satisfiability detection.
% 0.20/0.29 % (422164)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=4065946583_2999 on theBenchmark for (2999ds/0Mi)
% 0.20/0.29 % TRYING [1]
% 0.20/0.29 % TRYING [2]
% 0.20/0.29 % TRYING [3]
% 0.20/0.29 % (422165)% WARNING: option uhcvi not known.
% 0.20/0.29 % TRYING [4]
% 0.20/0.29 % (422167)dis+10_1_sil=32000:sp=arity:random_seed=1401820450:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.20/0.29 % (422169)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=3059171022:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.20/0.29 % (422165)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=642602265:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.20/0.29 % (422166)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=2476881090:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.20/0.29 % (422168)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=4020703388:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.20/0.29 % (422170)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=4266384065:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.20/0.29 % (422165) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-422159-422165"...
% 0.20/0.29 % (422165)...printing done.
% 0.20/0.29 % (422165)Refutation found. Thanks to Tanya!
% 0.20/0.29 % SZS status Unsatisfiable for theBenchmark
% 0.20/0.29 % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.29 % (422165)------------------------------
% 0.20/0.29 % (422165)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.20/0.29 % (422165)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.20/0.29 % (422165)CaDiCaL version: 2.1.3
% 0.20/0.29 % (422165)Termination reason: Refutation
% 0.20/0.29 % (422165)Time elapsed: 0.004 s
% 0.20/0.29 % (422165)Peak memory usage: 11 MB
% 0.20/0.29 % (422165)Instructions burned: 5 (million)
% 0.20/0.29 % (422159)Success in time 0.049 s
% 0.20/0.29 % Vampire exiting
%------------------------------------------------------------------------------