%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : SET233-6 : TPTP v9.3.1. Bugfixed v2.1.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/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 12:40:34 PM UTC 2026
% Result : Unsatisfiable 3.74s 1.39s
% Output : Refutation 3.74s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 5
% Syntax : Number of formulae : 11 ( 5 unt; 0 def)
% Number of atoms : 17 ( 3 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 11 ( 5 ~; 6 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 3 avg)
% Maximal term depth : 5 ( 2 avg)
% Number of predicates : 4 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 8 ( 8 usr; 3 con; 0-2 aty)
% Number of variables : 14 ( 14 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f2,axiom,
! [X0,X1] :
( member(not_subclass_element(X0,X1),X0)
| subclass(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_subclass_members1) ).
fof(f15,axiom,
! [X2,X3,X0,X1] :
( ~ member(ordered_pair(X0,X1),cross_product(X2,X3))
| member(X1,X3) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cartesian_product2) ).
fof(f17,axiom,
! [X2,X0,X1] :
( ~ member(X0,cross_product(X1,X2))
| ordered_pair(first(X0),second(X0)) = X0 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cartesian_product4) ).
fof(f122,negated_conjecture,
~ subclass(cross_product(x,y),z),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_cross_product_property8_1) ).
fof(f123,negated_conjecture,
~ member(second(not_subclass_element(cross_product(x,y),z)),y),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_cross_product_property8_2) ).
fof(f217,plain,
! [X2,X0,X1] :
( subclass(cross_product(X0,X1),X2)
| not_subclass_element(cross_product(X0,X1),X2) = ordered_pair(first(not_subclass_element(cross_product(X0,X1),X2)),second(not_subclass_element(cross_product(X0,X1),X2))) ),
inference(resolution,[],[f17,f2]) ).
fof(f743,plain,
not_subclass_element(cross_product(x,y),z) = ordered_pair(first(not_subclass_element(cross_product(x,y),z)),second(not_subclass_element(cross_product(x,y),z))),
inference(resolution,[],[f217,f122]) ).
fof(f749,plain,
! [X0,X1] :
( ~ member(not_subclass_element(cross_product(x,y),z),cross_product(X0,X1))
| member(second(not_subclass_element(cross_product(x,y),z)),X1) ),
inference(superposition,[],[f15,f743]) ).
fof(f1931,plain,
( member(second(not_subclass_element(cross_product(x,y),z)),y)
| subclass(cross_product(x,y),z) ),
inference(resolution,[],[f749,f2]) ).
fof(f1935,plain,
subclass(cross_product(x,y),z),
inference(forward_subsumption_resolution,[],[f1931,f123]) ).
fof(f1936,plain,
$false,
inference(forward_subsumption_resolution,[],[f1935,f122]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SET233-6 : TPTP v9.3.1. Bugfixed v2.1.0.
% 0.00/0.05 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.09/0.36 % Computer : n004.cluster.edu
% 0.09/0.36 % Model : x86_64 x86_64
% 0.09/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.36 % Memory : 8046.5625MB
% 0.09/0.36 % OS : Linux 6.8.0-71-generic
% 0.09/0.36 % CPULimit : 300
% 0.09/0.36 % WCLimit : 300
% 0.09/0.36 % DateTime : Mon Sep 28 01:11:07 UTC 2026
% 0.09/0.36 % CPUTime :
% 0.09/0.36 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.09/0.40 Running first-order theorem proving
% 0.09/0.40 Running: /export/starexec/sandbox2/solver/bin/vampire --input_syntax tptp --output_axiom_names on --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 3.74/1.39 % (4055779)Input is clausal, will run a generic CNF schedule.
% 3.74/1.39 % (4055794)dis-21_1_sil=8000:lcm=predicate:random_seed=1545480258: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)
% 3.74/1.39 % (4055788)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=2015500085:i=140167_2999 on theBenchmark for (2999ds/140167Mi)
% 3.74/1.39 % (4055792)dis-1002_1_to=lpo:sil=16000:fd=off:random_seed=3526496101:st=1.5:i=114:aac=none:ins=7:ss=axioms:fsd=on_2999 on theBenchmark for (2999ds/114Mi)
% 3.74/1.39 % (4055790)lrs+1002_1_ncem=casc2026/models/loop8.pt:sil=128000:tgt=ground:npcc=on:sp=reverse_frequency:spb=intro:random_seed=2484204512:i=137899:s2at=10:gtgl=3:kws=precedence:add=on:bd=preordered:gtg=position_2999 on theBenchmark for (2999ds/137899Mi)
% 3.74/1.39 % (4055791)lrs+10_1_sil=8000:sp=occurrence:random_seed=2174448814:i=107:sd=3:ss=axioms:sgt=8_2999 on theBenchmark for (2999ds/107Mi)
% 3.74/1.39 % (4055793)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=109307862:s2a=on:i=180:gtg=position_2999 on theBenchmark for (2999ds/180Mi)
% 3.74/1.39 % (4055789)lrs+10_1_ncem=casc2026/models/loop8.pt:sil=128000:npcc=on:urr=on:br=off:random_seed=1701598500:i=132376:av=off_2999 on theBenchmark for (2999ds/132376Mi)
% 3.74/1.39 % (4055794)Instruction limit reached!
% 3.74/1.39 % (4055794)------------------------------
% 3.74/1.39 % (4055794)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.74/1.39 % (4055794)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.74/1.39 % (4055794)CaDiCaL version: 2.1.3
% 3.74/1.39 % (4055794)Termination reason: Instruction limit
% 3.74/1.39 % (4055794)Termination phase: Saturation
% 3.74/1.39 % (4055794)Time elapsed: 0.041 s
% 3.74/1.39 % (4055794)Peak memory usage: 89 MB
% 3.74/1.39 % (4055794)Instructions burned: 119 (million)
% 3.74/1.39 % (4055791)First to succeed.
% 3.74/1.39 % (4055791)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-4055779"
% 3.74/1.39 % (4055792)Instruction limit reached!
% 3.74/1.39 % (4055792)------------------------------
% 3.74/1.39 % (4055792)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.74/1.39 % (4055792)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.74/1.39 % (4055792)CaDiCaL version: 2.1.3
% 3.74/1.39 % (4055792)Termination reason: Instruction limit
% 3.74/1.39 % (4055792)Termination phase: Saturation
% 3.74/1.39 % (4055792)Time elapsed: 0.072 s
% 3.74/1.39 % (4055792)Peak memory usage: 89 MB
% 3.74/1.39 % (4055792)Instructions burned: 115 (million)
% 3.74/1.39 % (4055802)dis+1010_3_sil=8000:plsq=on:drc=off:fde=none:plsqc=1:bsd=on:plsqr=7,2:sos=on:spb=goal_then_units:random_seed=2132714574:i=143:sd=2:aac=none:ss=axioms:sgt=16_2998 on theBenchmark for (2998ds/143Mi)
% 3.74/1.39 % (4055802)Refutation not found, incomplete strategy
% 3.74/1.39 % (4055802)------------------------------
% 3.74/1.39 % (4055802)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.74/1.39 % (4055802)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.74/1.39 % (4055802)CaDiCaL version: 2.1.3
% 3.74/1.39 % (4055802)Termination reason: Refutation not found, incomplete strategy
% 3.74/1.39 % (4055802)Time elapsed: 0.001 s
% 3.74/1.39 % (4055802)Peak memory usage: 88 MB
% 3.74/1.39 % (4055802)Instructions burned: 3 (million)
% 3.74/1.39 % (4055793)Instruction limit reached!
% 3.74/1.39 % (4055793)------------------------------
% 3.74/1.39 % (4055793)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.74/1.39 % (4055793)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.74/1.39 % (4055793)CaDiCaL version: 2.1.3
% 3.74/1.39 % (4055793)Termination reason: Instruction limit
% 3.74/1.39 % (4055793)Termination phase: Saturation
% 3.74/1.39 % (4055793)Time elapsed: 0.135 s
% 3.74/1.39 % (4055793)Peak memory usage: 90 MB
% 3.74/1.39 % (4055793)Instructions burned: 180 (million)
% 3.74/1.39 % (4055803)ott-1010_1_to=lpo:sil=16000:sos=on:spb=units:urr=on:bce=on:br=off:random_seed=1825395685:st=3:avsq=on:s2a=on:i=189:s2at=1.2:avsqr=1,16:sd=2:bd=all:nm=64:ss=axioms:sgt=30_2997 on theBenchmark for (2997ds/189Mi)
% 3.74/1.39 % (4055803)Also succeeded, but the first one will report.
% 3.74/1.39 % (4055802)------------------------------
% 3.74/1.39 % (4055802)------------------------------
% 3.74/1.39 % (4055805)lrs-1002_1_to=lpo:sil=8000:fde=none:sos=on:random_seed=2527741876:st=4:i=219:sd=3:ss=axioms_2997 on theBenchmark for (2997ds/219Mi)
% 3.74/1.39 % (4055791)Refutation found. Thanks to Tanya!
% 3.74/1.39 % SZS status Unsatisfiable for theBenchmark
% 3.74/1.39 % SZS output start Proof for theBenchmark
% See solution above
% 3.74/1.39 % (4055791)------------------------------
% 3.74/1.39 % (4055791)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 3.74/1.39 % (4055791)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 3.74/1.39 % (4055791)CaDiCaL version: 2.1.3
% 3.74/1.39 % (4055791)Termination reason: Refutation
% 3.74/1.39 % (4055791)Time elapsed: 0.059 s
% 3.74/1.39 % (4055791)Peak memory usage: 90 MB
% 3.74/1.39 % (4055791)Instructions burned: 81 (million)
% 3.74/1.39 % (4055791)------------------------------
% 3.74/1.39 % (4055791)------------------------------
% 3.74/1.39 % (4055779)Success in time 0.469 s
% 3.74/1.39 % Vampire exiting
%------------------------------------------------------------------------------