%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : SWV848-1 : TPTP v9.3.1. Released v4.1.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% Computer : n004.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 01:19:38 PM UTC 2026
% Result : Unsatisfiable 5.71s 1.79s
% Output : Refutation 5.71s
% Verified :
% SZS Type : Refutation
% Derivation depth : 2
% Number of leaves : 2
% Syntax : Number of formulae : 4 ( 4 unt; 0 def)
% Number of atoms : 4 ( 3 equ)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 2 ( 2 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 2 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 3 con; 0-2 aty)
% Number of variables : 2 ( 2 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f461,axiom,
! [X0,X1] : c_Com_Ocom_OSKIP != c_Com_Ocom_OWhile(X0,X1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_com_Osimps_I16_J_0) ).
fof(f471,negated_conjecture,
c_Com_Ocom_OSKIP = c_Com_Ocom_OWhile(v_b,v_c),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',cls_conjecture_0) ).
fof(f515,plain,
c_Com_Ocom_OSKIP != c_Com_Ocom_OSKIP,
inference(superposition,[],[f461,f471]) ).
fof(f516,plain,
$false,
inference(trivial_inequality_removal,[],[f515]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.04 % Problem : SWV848-1 : TPTP v9.3.1. Released v4.1.0.
% 0.00/0.07 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.10/0.25 % Computer : n004.cluster.edu
% 0.10/0.25 % Model : x86_64 x86_64
% 0.10/0.25 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.25 % Memory : 8046.5625MB
% 0.10/0.25 % OS : Linux 6.8.0-71-generic
% 0.10/0.25 % CPULimit : 300
% 0.10/0.25 % WCLimit : 300
% 0.10/0.25 % DateTime : Mon Sep 28 12:42:07 UTC 2026
% 0.10/0.26 % CPUTime :
% 0.10/0.26 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.27/0.31 Running first-order theorem proving
% 0.27/0.31 Running: /export/starexec/sandbox/solver/bin/vampire --input_syntax tptp --output_axiom_names on --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 5.71/1.79 % (328988)Input is clausal, will run a generic CNF schedule.
% 5.71/1.79 % (328993)lrs+10_1_ncem=casc2026/models/loop8.pt:sil=128000:tgt=full:npcc=on:drc=off:sp=weighted_frequency:spb=goal:fd=preordered:foolp=on:random_seed=1484447329:i=140167_2999 on theBenchmark for (2999ds/140167Mi)
% 5.71/1.79 % (328998)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=2902699593:s2a=on:i=180:gtg=position_2999 on theBenchmark for (2999ds/180Mi)
% 5.71/1.79 % (328999)dis-21_1_sil=8000:lcm=predicate:random_seed=616605531:st=5:avsq=on:i=117:avsqr=1,16:sd=3:aac=none:ep=RS:fsr=off:ss=included_2999 on theBenchmark for (2999ds/117Mi)
% 5.71/1.79 % (328997)dis-1002_1_to=lpo:sil=16000:fd=off:random_seed=2866005391:st=1.5:i=114:aac=none:ins=7:ss=axioms:fsd=on_2999 on theBenchmark for (2999ds/114Mi)
% 5.71/1.79 % (328995)lrs+1002_1_ncem=casc2026/models/loop8.pt:sil=128000:tgt=ground:npcc=on:sp=reverse_frequency:spb=intro:random_seed=393624551:i=137899:s2at=10:gtgl=3:kws=precedence:add=on:bd=preordered:gtg=position_2999 on theBenchmark for (2999ds/137899Mi)
% 5.71/1.79 % (328994)lrs+10_1_ncem=casc2026/models/loop8.pt:sil=128000:npcc=on:urr=on:br=off:random_seed=4252851924:i=132376:av=off_2999 on theBenchmark for (2999ds/132376Mi)
% 5.71/1.79 % (328996)lrs+10_1_sil=8000:sp=occurrence:random_seed=449906296:i=107:sd=3:ss=axioms:sgt=8_2999 on theBenchmark for (2999ds/107Mi)
% 5.71/1.79 % (328997)First to succeed.
% 5.71/1.79 % (328996)Also succeeded, but the first one will report.
% 5.71/1.79 % (328997)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-328988"
% 5.71/1.79 % (328999)Also succeeded, but the first one will report.
% 5.71/1.79 % (328998)Also succeeded, but the first one will report.
% 5.71/1.79 % (328997)Refutation found. Thanks to Tanya!
% 5.71/1.79 % SZS status Unsatisfiable for theBenchmark
% 5.71/1.79 % SZS output start Proof for theBenchmark
% See solution above
% 5.71/1.79 % (328997)------------------------------
% 5.71/1.79 % (328997)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 5.71/1.79 % (328997)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 5.71/1.79 % (328997)CaDiCaL version: 2.1.3
% 5.71/1.79 % (328997)Termination reason: Refutation
% 5.71/1.79 % (328997)Time elapsed: 0.010 s
% 5.71/1.79 % (328997)Peak memory usage: 88 MB
% 5.71/1.79 % (328997)Instructions burned: 8 (million)
% 5.71/1.79 % (328997)------------------------------
% 5.71/1.79 % (328997)------------------------------
% 5.71/1.79 % (328988)Success in time 0.702 s
% 5.71/1.79 % Vampire exiting
%------------------------------------------------------------------------------