%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : ITP012+1 : TPTP v9.3.1. Bugfixed v7.5.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% Computer : n026.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 11:28:05 AM UTC 2026
% Result : Theorem 7.97s 2.33s
% Output : Refutation 7.97s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 4
% Syntax : Number of formulae : 16 ( 6 unt; 0 def)
% Number of atoms : 26 ( 15 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 18 ( 8 ~; 4 |; 3 &)
% ( 0 <=>; 3 =>; 0 <=; 0 <~>)
% Maximal formula depth : 6 ( 4 avg)
% Maximal term depth : 8 ( 2 avg)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 10 ( 10 usr; 5 con; 0-2 aty)
% Number of variables : 32 ( 29 !; 3 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f39,axiom,
! [X0,X1] : s(tyop_2Einteger_2Eint,c_2Einteger_2Eint__sub_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,X1))) = s(tyop_2Einteger_2Eint,c_2Einteger_2Eint__add_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,c_2Einteger_2Eint__neg_2E1(s(tyop_2Einteger_2Eint,X1))))),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',thm_2Einteger_2Eint__sub) ).
fof(f40,axiom,
! [X0,X1,X2] :
( p(s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,X1))))
=> s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,c_2Einteger_2Eint__add_2E2(s(tyop_2Einteger_2Eint,X2),s(tyop_2Einteger_2Eint,X1))))) = s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,X2))) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',thm_2Einteger_2EINT__DIVIDES__RADD) ).
fof(f41,axiom,
! [X0,X1] :
( s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,c_2Einteger_2Eint__neg_2E1(s(tyop_2Einteger_2Eint,X1))))) = s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,X1)))
& s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,c_2Einteger_2Eint__neg_2E1(s(tyop_2Einteger_2Eint,X0))),s(tyop_2Einteger_2Eint,X1))) = s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,X1))) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',thm_2Einteger_2EINT__DIVIDES__NEG) ).
fof(f52,conjecture,
! [X0,X1,X2] :
( p(s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,X1))))
=> s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,c_2Einteger_2Eint__sub_2E2(s(tyop_2Einteger_2Eint,X2),s(tyop_2Einteger_2Eint,X1))))) = s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,X2))) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',thm_2Einteger_2EINT__DIVIDES__RSUB) ).
fof(f53,negated_conjecture,
~ ! [X0,X1,X2] :
( p(s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,X1))))
=> s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,c_2Einteger_2Eint__sub_2E2(s(tyop_2Einteger_2Eint,X2),s(tyop_2Einteger_2Eint,X1))))) = s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,X2))) ),
inference(negated_conjecture,[status(cth)],[f52]) ).
fof(f54,plain,
? [X0,X1,X2] :
( s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,X2))) != s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,c_2Einteger_2Eint__sub_2E2(s(tyop_2Einteger_2Eint,X2),s(tyop_2Einteger_2Eint,X1)))))
& p(s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,X1)))) ),
inference(ennf_transformation,[],[f53]) ).
fof(f60,plain,
! [X0,X1,X2] :
( s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,c_2Einteger_2Eint__add_2E2(s(tyop_2Einteger_2Eint,X2),s(tyop_2Einteger_2Eint,X1))))) = s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,X2)))
| ~ p(s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,X1)))) ),
inference(ennf_transformation,[],[f40]) ).
fof(f77,plain,
( s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,sK11),s(tyop_2Einteger_2Eint,sK13))) != s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,sK11),s(tyop_2Einteger_2Eint,c_2Einteger_2Eint__sub_2E2(s(tyop_2Einteger_2Eint,sK13),s(tyop_2Einteger_2Eint,sK12)))))
& p(s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,sK11),s(tyop_2Einteger_2Eint,sK12)))) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK11,sK12,sK13]),skolemize(X0,sK11),skolemize(X1,sK12),skolemize(X2,sK13)],[f54]) ).
fof(f125,plain,
p(s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,sK11),s(tyop_2Einteger_2Eint,sK12)))),
inference(cnf_transformation,[],[f77]) ).
fof(f126,plain,
s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,sK11),s(tyop_2Einteger_2Eint,sK13))) != s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,sK11),s(tyop_2Einteger_2Eint,c_2Einteger_2Eint__sub_2E2(s(tyop_2Einteger_2Eint,sK13),s(tyop_2Einteger_2Eint,sK12))))),
inference(cnf_transformation,[],[f77]) ).
fof(f238,plain,
! [X0,X1] : s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,X1))) = s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,c_2Einteger_2Eint__neg_2E1(s(tyop_2Einteger_2Eint,X1))))),
inference(cnf_transformation,[],[f41]) ).
fof(f239,plain,
! [X2,X0,X1] :
( ~ p(s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,X1))))
| s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,c_2Einteger_2Eint__add_2E2(s(tyop_2Einteger_2Eint,X2),s(tyop_2Einteger_2Eint,X1))))) = s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,X2))) ),
inference(cnf_transformation,[],[f60]) ).
fof(f240,plain,
! [X0,X1] : s(tyop_2Einteger_2Eint,c_2Einteger_2Eint__sub_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,X1))) = s(tyop_2Einteger_2Eint,c_2Einteger_2Eint__add_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,c_2Einteger_2Eint__neg_2E1(s(tyop_2Einteger_2Eint,X1))))),
inference(cnf_transformation,[],[f39]) ).
fof(f525,plain,
! [X2,X0,X1] :
( ~ p(s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,X1))))
| s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,X2))) = s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,c_2Einteger_2Eint__add_2E2(s(tyop_2Einteger_2Eint,X2),s(tyop_2Einteger_2Eint,c_2Einteger_2Eint__neg_2E1(s(tyop_2Einteger_2Eint,X1))))))) ),
inference(superposition,[],[f239,f238]) ).
fof(f526,plain,
! [X2,X0,X1] :
( ~ p(s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,X1))))
| s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,X2))) = s(tyop_2Emin_2Ebool,c_2Einteger_2Eint__divides_2E2(s(tyop_2Einteger_2Eint,X0),s(tyop_2Einteger_2Eint,c_2Einteger_2Eint__sub_2E2(s(tyop_2Einteger_2Eint,X2),s(tyop_2Einteger_2Eint,X1))))) ),
inference(forward_demodulation,[],[f525,f240]) ).
fof(f1409,plain,
$false,
inference(unit_resulting_resolution,[],[f526,f125,f126]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : ITP012+1 : TPTP v9.3.1. Bugfixed v7.5.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.13/0.43 % Computer : n026.cluster.edu
% 0.13/0.43 % Model : x86_64 x86_64
% 0.13/0.43 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.43 % Memory : 8046.5625MB
% 0.13/0.43 % OS : Linux 6.8.0-71-generic
% 0.13/0.43 % CPULimit : 300
% 0.13/0.43 % WCLimit : 300
% 0.13/0.43 % DateTime : Sun Sep 27 12:00:41 UTC 2026
% 0.13/0.43 % CPUTime :
% 0.13/0.43 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.19/0.49 Running first-order theorem proving
% 0.19/0.49 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
% 6.07/1.99 % (2719776)Detected formulas, will run a generic FOF schedule.
% 6.07/1.99 % (2719781)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=3244870445:i=141193_2999 on theBenchmark for (2999ds/141193Mi)
% 6.07/1.99 % (2719787)dis-21_1_sil=8000:lcm=predicate:random_seed=3275793696:st=5:avsq=on:i=129:avsqr=1,16:sd=3:aac=none:ep=RS:fsr=off:ss=included_2999 on theBenchmark for (2999ds/129Mi)
% 6.07/1.99 % (2719784)lrs+1010_1_to=lpo:sil=32000:sos=on:spb=goal_then_units:bce=on:random_seed=1160100596:i=109:sd=1:ins=1:gsp=on:ss=axioms_2999 on theBenchmark for (2999ds/109Mi)
% 6.07/1.99 % (2719783)lrs+1010_1_anc=all:sfv=off:to=kbo:ncem=casc2026/models/loop7.pt:sil=128000:npcc=on:prc=on:sos=all:bsr=unit_only:sac=on:random_seed=901090263:i=141695:sd=1:nm=32:gsp=on:ss=included_2999 on theBenchmark for (2999ds/141695Mi)
% 6.07/1.99 % (2719785)dis-1010_2:3_sil=16000:sp=reverse_frequency:random_seed=2134251595:i=119:av=off:ss=axioms_2999 on theBenchmark for (2999ds/119Mi)
% 6.07/1.99 % (2719782)lrs+11_1_ncem=casc2026/models/loop8.pt:sil=128000:npcc=on:lma=off:spb=units:urr=ec_only:bce=on:s2agt=64:updr=off:random_seed=2641447692:i=134677:sd=20:aac=none:nm=16:ss=included:sgt=10_2999 on theBenchmark for (2999ds/134677Mi)
% 6.07/1.99 % (2719786)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=446155871:s2a=on:i=139:gtg=position_2999 on theBenchmark for (2999ds/139Mi)
% 6.07/1.99 % (2719784)Refutation not found, incomplete strategy
% 6.07/1.99 % (2719784)------------------------------
% 6.07/1.99 % (2719784)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 6.07/1.99 % (2719784)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.07/1.99 % (2719784)CaDiCaL version: 2.1.3
% 6.07/1.99 % (2719784)Termination reason: Refutation not found, incomplete strategy
% 6.07/1.99 % (2719784)Time elapsed: 0.042 s
% 6.07/1.99 % (2719784)Peak memory usage: 89 MB
% 6.07/1.99 % (2719784)Instructions burned: 43 (million)
% 6.07/1.99 % (2719785)Instruction limit reached!
% 6.07/1.99 % (2719785)------------------------------
% 6.07/1.99 % (2719785)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 6.07/1.99 % (2719785)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.07/1.99 % (2719785)CaDiCaL version: 2.1.3
% 6.07/1.99 % (2719785)Termination reason: Instruction limit
% 6.07/1.99 % (2719785)Termination phase: Saturation
% 6.07/1.99 % (2719785)Time elapsed: 0.102 s
% 6.07/1.99 % (2719785)Peak memory usage: 88 MB
% 6.07/1.99 % (2719785)Instructions burned: 119 (million)
% 6.07/1.99 % (2719787)Instruction limit reached!
% 6.07/1.99 % (2719787)------------------------------
% 6.07/1.99 % (2719787)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 6.07/1.99 % (2719787)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.07/1.99 % (2719787)CaDiCaL version: 2.1.3
% 6.07/1.99 % (2719787)Termination reason: Instruction limit
% 6.07/1.99 % (2719787)Termination phase: Saturation
% 6.07/1.99 % (2719787)Time elapsed: 0.115 s
% 6.07/1.99 % (2719787)Peak memory usage: 89 MB
% 6.07/1.99 % (2719787)Instructions burned: 129 (million)
% 6.07/1.99 % (2719786)Instruction limit reached!
% 6.07/1.99 % (2719786)------------------------------
% 6.07/1.99 % (2719786)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 6.07/1.99 % (2719786)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 6.07/1.99 % (2719786)CaDiCaL version: 2.1.3
% 6.07/1.99 % (2719786)Termination reason: Instruction limit
% 6.07/1.99 % (2719786)Termination phase: Saturation
% 6.07/1.99 % (2719786)Time elapsed: 0.133 s
% 6.07/1.99 % (2719786)Peak memory usage: 89 MB
% 6.07/1.99 % (2719786)Instructions burned: 139 (million)
% 6.07/1.99 % (2719796)lrs+10_1_sil=32000:urr=on:br=off:random_seed=568685490:i=157:sd=1:gtg=position:ss=axioms:sgt=8_2996 on theBenchmark for (2996ds/157Mi)
% 6.07/1.99 % (2719795)lrs+10_1_sil=8000:sp=occurrence:random_seed=3457395754:i=285:sd=3:ss=axioms:sgt=8_2996 on theBenchmark for (2996ds/285Mi)
% 6.07/1.99 % (2719797)lrs+1011_1_sil=32000:sp=occurrence:random_seed=2371147576:i=325:sd=1:ss=axioms:sgt=32_2996 on theBenchmark for (2996ds/325Mi)
% 6.07/1.99 % (2719796)First to succeed.
% 6.07/1.99 % (2719796)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-2719776"
% 6.07/1.99 % (2719784)------------------------------
% 6.07/1.99 % (2719784)------------------------------
% 6.07/1.99 % (2719781)Also succeeded, but the first one will report.
% 7.97/2.33 % (2719795)Instruction limit reached!
% 7.97/2.33 % (2719795)------------------------------
% 7.97/2.33 % (2719795)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 7.97/2.33 % (2719795)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 7.97/2.33 % (2719795)CaDiCaL version: 2.1.3
% 7.97/2.33 % (2719795)Termination reason: Instruction limit
% 7.97/2.33 % (2719795)Termination phase: Saturation
% 7.97/2.33 % (2719795)Time elapsed: 0.253 s
% 7.97/2.33 % (2719795)Peak memory usage: 89 MB
% 7.97/2.33 % (2719795)Instructions burned: 285 (million)
% 7.97/2.33 % (2719801)dis+10_5:1_slsqr=1,4:sil=8000:fde=unused:erd=off:urr=full:fd=off:s2agt=8:br=off:slsq=on:random_seed=321404179:s2a=on:i=248:s2at=1.23:gtg=position_2993 on theBenchmark for (2993ds/248Mi)
% 7.97/2.33 % (2719797)Instruction limit reached!
% 7.97/2.33 % (2719797)------------------------------
% 7.97/2.33 % (2719797)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 7.97/2.33 % (2719797)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 7.97/2.33 % (2719797)CaDiCaL version: 2.1.3
% 7.97/2.33 % (2719797)Termination reason: Instruction limit
% 7.97/2.33 % (2719797)Termination phase: Saturation
% 7.97/2.33 % (2719797)Time elapsed: 0.311 s
% 7.97/2.33 % (2719797)Peak memory usage: 90 MB
% 7.97/2.33 % (2719797)Instructions burned: 325 (million)
% 7.97/2.33 % (2719802)lrs+1002_1_to=lpo:sil=8000:sos=on:random_seed=3356051761:st=4:cts=off:i=294:sd=2:ins=7:amm=off:ss=axioms_2992 on theBenchmark for (2992ds/294Mi)
% 7.97/2.33 % (2719802)Also succeeded, but the first one will report.
% 7.97/2.33 % (2719796)Refutation found. Thanks to Tanya!
% 7.97/2.33 % SZS status Theorem for theBenchmark
% 7.97/2.33 % SZS output start Proof for theBenchmark
% See solution above
% 7.97/2.33 % (2719796)------------------------------
% 7.97/2.33 % (2719796)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 7.97/2.33 % (2719796)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 7.97/2.33 % (2719796)CaDiCaL version: 2.1.3
% 7.97/2.33 % (2719796)Termination reason: Refutation
% 7.97/2.33 % (2719796)Time elapsed: 0.083 s
% 7.97/2.33 % (2719796)Peak memory usage: 89 MB
% 7.97/2.33 % (2719796)Instructions burned: 87 (million)
% 7.97/2.33 % (2719796)------------------------------
% 7.97/2.33 % (2719796)------------------------------
% 7.97/2.33 % (2719776)Success in time 1.012 s
% 7.97/2.33 % Vampire exiting
%------------------------------------------------------------------------------