%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : SWW423-1 : TPTP v9.3.1. Released v5.2.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% Computer : n005.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 01:39:59 PM UTC 2026
% Result : Unsatisfiable 0.19s 0.28s
% Output : Refutation 0.19s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 5
% Syntax : Number of formulae : 11 ( 8 unt; 0 def)
% Number of atoms : 16 ( 6 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 10 ( 5 ~; 5 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 3 avg)
% Maximal term depth : 5 ( 2 avg)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 8 ( 8 usr; 5 con; 0-2 aty)
% Number of variables : 11 ( 11 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [X2,X0,X1] : sep(X0,sep(X1,X2)) = sep(X1,sep(X0,X2)),
file('/export/starexec/sandbox2/benchmark/Axioms/SWV013-0.ax',associative_commutative) ).
fof(f9,axiom,
! [X2,X3,X0,X1] :
( ~ heap(sep(next(X0,X1),sep(lseg(X1,X2),X3)))
| X0 = X1
| heap(sep(lseg(X0,X2),X3)) ),
file('/export/starexec/sandbox2/benchmark/Axioms/SWV013-0.ax',unfolding_2) ).
fof(f14,axiom,
x2 != x1,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',premise_2) ).
fof(f15,plain,
x1 != x2,
inference(reorient_equations,[],[f14]) ).
fof(f17,axiom,
heap(sep(lseg(x2,nil),sep(lseg(x3,nil),sep(next(x1,x2),emp)))),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',premise_4) ).
fof(f18,negated_conjecture,
~ heap(sep(lseg(x1,nil),sep(lseg(x3,nil),emp))),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',conclusion_1) ).
fof(f47,plain,
heap(sep(lseg(x2,nil),sep(next(x1,x2),sep(lseg(x3,nil),emp)))),
inference(superposition,[],[f17,f1]) ).
fof(f82,plain,
! [X2,X3,X0,X1] :
( ~ heap(sep(lseg(X0,X1),sep(next(X2,X0),X3)))
| X0 = X2
| heap(sep(lseg(X2,X1),X3)) ),
inference(superposition,[],[f9,f1]) ).
fof(f385,plain,
( x1 = x2
| heap(sep(lseg(x1,nil),sep(lseg(x3,nil),emp))) ),
inference(resolution,[],[f82,f47]) ).
fof(f395,plain,
heap(sep(lseg(x1,nil),sep(lseg(x3,nil),emp))),
inference(forward_subsumption_resolution,[],[f385,f15]) ).
fof(f396,plain,
$false,
inference(forward_subsumption_resolution,[],[f395,f18]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SWW423-1 : TPTP v9.3.1. Released v5.2.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.09/0.20 % Computer : n005.cluster.edu
% 0.09/0.20 % Model : x86_64 x86_64
% 0.09/0.20 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.20 % Memory : 8046.5625MB
% 0.09/0.20 % OS : Linux 6.8.0-71-generic
% 0.09/0.20 % CPULimit : 300
% 0.09/0.20 % WCLimit : 300
% 0.09/0.20 % DateTime : Mon Sep 28 13:51:17 UTC 2026
% 0.09/0.20 % CPUTime :
% 0.09/0.20 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.09/0.23 Running first-order model finding
% 0.09/0.23 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
% 0.19/0.28 % (791988)Will run a generic schedule for satisfiability detection.
% 0.19/0.28 % (791997)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=648877730:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.19/0.28 % (791994)% WARNING: option uhcvi not known.
% 0.19/0.28 % (791996)dis+10_1_sil=32000:sp=arity:random_seed=2604994561:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.19/0.28 % (791993)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=624839_2999 on theBenchmark for (2999ds/0Mi)
% 0.19/0.28 % (791994)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=2287738882:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.19/0.28 % (791995)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=1425017167:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.19/0.28 % (791998)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=2459405793:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.19/0.28 % (791999)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=3504658749:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.19/0.28 % TRYING [1]
% 0.19/0.28 % TRYING [2]
% 0.19/0.28 % TRYING [3]
% 0.19/0.28 % (791998) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-791988-791998"...
% 0.19/0.28 % (791998)...printing done.
% 0.19/0.28 % (791998)Refutation found. Thanks to Tanya!
% 0.19/0.28 % SZS status Unsatisfiable for theBenchmark
% 0.19/0.28 % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.28 % (791998)------------------------------
% 0.19/0.28 % (791998)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.19/0.28 % (791998)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.19/0.28 % (791998)CaDiCaL version: 2.1.3
% 0.19/0.28 % (791998)Termination reason: Refutation
% 0.19/0.28 % (791998)Time elapsed: 0.013 s
% 0.19/0.28 % (791998)Peak memory usage: 11 MB
% 0.19/0.28 % (791998)Instructions burned: 20 (million)
% 0.19/0.28 % (791988)Success in time 0.047 s
% 0.19/0.28 % Vampire exiting
%------------------------------------------------------------------------------