%------------------------------------------------------------------------------
% File : Vampire---5.0.1
% Problem : LCL738^5 : TPTP v9.3.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% Computer : n007.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 : Wed Sep 30 08:14:36 AM UTC 2026
% Result : Theorem 0.22s 0.33s
% Output : Refutation 0.22s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : LCL738^5 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.09/0.19 % Computer : n007.cluster.edu
% 0.09/0.19 % Model : x86_64 x86_64
% 0.09/0.19 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.19 % Memory : 8046.5625MB
% 0.09/0.19 % OS : Linux 6.8.0-71-generic
% 0.09/0.19 % CPULimit : 300
% 0.09/0.19 % WCLimit : 300
% 0.09/0.19 % DateTime : Tue Sep 29 10:11:41 UTC 2026
% 0.09/0.20 % CPUTime :
% 0.09/0.20 Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.09/0.23 Running higher-order theorem proving
% 0.09/0.24 Running: /export/starexec/sandbox2/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.22/0.33 % (3171636)Detected a higher-order problem, will run a greedy HOL sequence.
% 0.22/0.33 % (3171645)dis+21_4_fde=none:e2e=on:si=on:uwa=off:foolp=on:random_seed=2750024193:i=24:av=off:rtra=on_2999 on theBenchmark for (2999ds/24Mi)
% 0.22/0.33 % (3171645)Refutation not found, incomplete strategy
% 0.22/0.33 % (3171645)------------------------------
% 0.22/0.33 % (3171645)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.22/0.33 % (3171645)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.22/0.33 % (3171645)CaDiCaL version: 2.1.3
% 0.22/0.33 % (3171645)Termination reason: Refutation not found, incomplete strategy
% 0.22/0.33 % (3171645)Time elapsed: 0.001 s
% 0.22/0.33 % (3171645)Peak memory usage: 12 MB
% 0.22/0.33 % (3171645)Instructions burned: 1 (million)
% 0.22/0.33 % (3171645)------------------------------
% 0.22/0.33 % (3171645)------------------------------
% 0.22/0.33 % (3171647)WARNING Broken Constraint: if ho_split_queue_ratios(1,8) has been set then ho_split_queue(off) is equal to on
% 0.22/0.33 % (3171647)WARNING Broken Constraint: if sine_to_age_tolerance(5) has been set then sine_to_age(off) is equal to on or sine_to_pred_levels(off) is not equal to off or sine_level_split_queue(off) is equal to on
% 0.22/0.33 % (3171641)lrs+10_40_drc=off:e2e=on:si=on:uwa=one_side_interpreted:random_seed=3607343165:s2a=on:i=87:rtra=on:ntd=on_2999 on theBenchmark for (2999ds/87Mi)
% 0.22/0.33 % (3171642)lrs+10_16_si=on:nwc=1.5:random_seed=1208597124:i=18:kws=arity_squared:rtra=on:fe=abstraction:ntd=on_2999 on theBenchmark for (2999ds/18Mi)
% 0.22/0.33 % (3171643)lrs+10_1_cnfonf=off:si=on:uwa=one_side_interpreted:random_seed=3536017128:i=3:rtra=on:inj=on:ntd=on_2999 on theBenchmark for (2999ds/3Mi)
% 0.22/0.33 % (3171646)lrs+10_1_to=lpo:sil=128000:e2e=on:si=on:random_seed=437287545:s2a=on:i=75:s2at=3:aac=none:bd=preordered:rtra=on:fe=abstraction_2999 on theBenchmark for (2999ds/75Mi)
% 0.22/0.33 % (3171641)Refutation not found, incomplete strategy
% 0.22/0.33 % (3171641)------------------------------
% 0.22/0.33 % (3171641)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.22/0.33 % (3171641)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.22/0.33 % (3171641)CaDiCaL version: 2.1.3
% 0.22/0.33 % (3171641)Termination reason: Refutation not found, incomplete strategy
% 0.22/0.33 % (3171641)Time elapsed: 0.002 s
% 0.22/0.33 % (3171641)Peak memory usage: 12 MB
% 0.22/0.33 % (3171641)Instructions burned: 1 (million)
% 0.22/0.33 % (3171643)Refutation not found, incomplete strategy
% 0.22/0.33 % (3171643)------------------------------
% 0.22/0.33 % (3171643)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.22/0.33 % (3171643)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.22/0.33 % (3171643)CaDiCaL version: 2.1.3
% 0.22/0.33 % (3171643)Termination reason: Refutation not found, incomplete strategy
% 0.22/0.33 % (3171643)Time elapsed: 0.001 s
% 0.22/0.33 % (3171643)Peak memory usage: 12 MB
% 0.22/0.33 % (3171643)Instructions burned: 1 (million)
% 0.22/0.33 % (3171644)dis+1002_4:1_sfv=off:to=lpo:plsq=on:fde=none:e2e=on:si=on:spb=non_intro:acc=on:uwa=off:fd=preordered:foolp=on:s2agt=32:slsqc=1:slsq=on:random_seed=2520390302:hsq=on:hsqr=16,1:s2a=on:i=634:add=on:nm=16:nicw=on:rtra=on:gtg=position:ss=included:ixr=off:c=on:inj=on:ntd=on:rawr=on_2999 on theBenchmark for (2999ds/634Mi)
% 0.22/0.33 % (3171641)------------------------------
% 0.22/0.33 % (3171641)------------------------------
% 0.22/0.33 % (3171643)------------------------------
% 0.22/0.33 % (3171643)------------------------------
% 0.22/0.33 % (3171644)Refutation not found, incomplete strategy
% 0.22/0.33 % (3171644)------------------------------
% 0.22/0.33 % (3171644)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.22/0.33 % (3171644)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.22/0.33 % (3171644)CaDiCaL version: 2.1.3
% 0.22/0.33 % (3171644)Termination reason: Refutation not found, incomplete strategy
% 0.22/0.33 % (3171644)Time elapsed: 0.002 s
% 0.22/0.33 % (3171644)Peak memory usage: 12 MB
% 0.22/0.33 % (3171644)Instructions burned: 2 (million)
% 0.22/0.33 % (3171644)------------------------------
% 0.22/0.33 % (3171644)------------------------------
% 0.22/0.33 % (3171647)dis+1002_8_to=kbo:sil=128000:tgt=full:drc=off:si=on:sp=const_max:lma=off:spb=non_intro:cbe=off:uwa=interpreted_only:random_seed=2807255783:hsqr=1,8:i=157:s2at=5:add=on:nm=2:rtra=on_2999 on theBenchmark for (2999ds/157Mi)
% 0.22/0.33 % (3171642)Instruction limit reached!
% 0.22/0.33 % (3171642)------------------------------
% 0.22/0.33 % (3171642)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.22/0.33 % (3171642)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.22/0.33 % (3171642)CaDiCaL version: 2.1.3
% 0.22/0.33 % (3171642)Termination reason: Instruction limit
% 0.22/0.33 % (3171642)Termination phase: Saturation
% 0.22/0.33 % (3171642)Time elapsed: 0.011 s
% 0.22/0.33 % (3171642)Peak memory usage: 12 MB
% 0.22/0.33 % (3171642)Instructions burned: 20 (million)
% 0.22/0.33 % (3171649)dis+10_1024_sil=128000:si=on:sp=unary_first:urr=on:uwa=all:fd=off:random_seed=3237837511:i=2:hud=10:rtra=on_2999 on theBenchmark for (2999ds/2Mi)
% 0.22/0.33 % (3171647)Refutation not found, incomplete strategy
% 0.22/0.33 % (3171647)------------------------------
% 0.22/0.33 % (3171647)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.22/0.33 % (3171647)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.22/0.33 % (3171647)CaDiCaL version: 2.1.3
% 0.22/0.33 % (3171647)Termination reason: Refutation not found, incomplete strategy
% 0.22/0.33 % (3171647)Time elapsed: 0.007 s
% 0.22/0.33 % (3171647)Peak memory usage: 12 MB
% 0.22/0.33 % (3171647)Instructions burned: 12 (million)
% 0.22/0.33 % (3171649)Instruction limit reached!
% 0.22/0.33 % (3171649)------------------------------
% 0.22/0.33 % (3171649)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.22/0.33 % (3171649)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.22/0.33 % (3171649)CaDiCaL version: 2.1.3
% 0.22/0.33 % (3171649)Termination reason: Instruction limit
% 0.22/0.33 % (3171649)Termination phase: Saturation
% 0.22/0.33 % (3171649)Time elapsed: 0.001 s
% 0.22/0.33 % (3171649)Peak memory usage: 12 MB
% 0.22/0.33 % (3171649)Instructions burned: 4 (million)
% 0.22/0.33 % (3171647)------------------------------
% 0.22/0.33 % (3171647)------------------------------
% 0.22/0.33 % (3171656)WARNING Broken Constraint: if forward_subsumption_demodulation_max_matches(5) has been set then forward_subsumption_demodulation(off) is equal to on
% 0.22/0.33 % (3171656)dis+21_1_to=kbo:sil=128000:plsq=on:plsqc=1:cnfonf=lazy_gen:si=on:plsqr=64,1:uwa=hol:random_seed=1161587267:uwa_fpi=on:i=7:fgj=on:hud=10:fsr=off:rtra=on:rawr=on:fsdmm=5_2999 on theBenchmark for (2999ds/7Mi)
% 0.22/0.33 % (3171655)lrs+1010_2:3_cha=on:si=on:uwa=off:nwc=1:random_seed=2635360512:i=5:fgj=on:av=off:rtra=on:fe=axiom:ntd=on_2999 on theBenchmark for (2999ds/5Mi)
% 0.22/0.33 % (3171655) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-3171636-3171655"...
% 0.22/0.33 % (3171655)...printing done.
% 0.22/0.33 % (3171656)Instruction limit reached!
% 0.22/0.33 % (3171656)------------------------------
% 0.22/0.33 % (3171656)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.22/0.33 % (3171656)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.22/0.33 % (3171656)CaDiCaL version: 2.1.3
% 0.22/0.33 % (3171656)Termination reason: Instruction limit
% 0.22/0.33 % (3171656)Termination phase: Saturation
% 0.22/0.33 % (3171656)Time elapsed: 0.005 s
% 0.22/0.33 % (3171656)Peak memory usage: 12 MB
% 0.22/0.33 % (3171656)Instructions burned: 9 (million)
% 0.22/0.33 % (3171655)Refutation found. Thanks to Tanya!
% 0.22/0.33 % SZS status Theorem for theBenchmark
% 0.22/0.33 % SZS output start Proof for theBenchmark
% 0.22/0.33 thf(type_def_5, type, b: $tType).
% 0.22/0.33 thf(type_def_6, type, sTfun: ($tType * $tType) > $tType).
% 0.22/0.33 thf(func_def_3, type, diff: !>[X0: $tType, X1: $tType]:(((X0 > X1) > (X0 > X1) > X0))).
% 0.22/0.33 thf(func_def_4, type, vEPSILON: !>[X0: $tType]:(((X0 > $o) > X0))).
% 0.22/0.33 thf(func_def_5, type, sK0: ((b > $o) > b > b > $o)).
% 0.22/0.33 thf(func_def_6, type, sK1: ((b > $o) > b > b > $o)).
% 0.22/0.33 thf(func_def_7, type, sK2: ((b > $o) > b)).
% 0.22/0.33 thf(func_def_8, type, sK3: (b > $o)).
% 0.22/0.33 thf(func_def_9, type, sK4: (b > b)).
% 0.22/0.33 thf(func_def_10, type, sK5: (((b > $o) > b) > b > $o)).
% 0.22/0.33 thf(func_def_11, type, sK6: (((b > $o) > b) > b)).
% 0.22/0.33 thf(func_def_12, type, vNOT: ($o > $o)).
% 0.22/0.33 thf(func_def_13, type, vEQ: !>[X0: $tType]:((X0 > X0 > $o))).
% 0.22/0.33 thf(func_def_14, type, db0: !>[X0: $tType]:(X0)).
% 0.22/0.33 thf(func_def_15, type, vLAM: !>[X0: $tType, X1: $tType]:((X1) > (X0 > X1))).
% 0.22/0.33 thf(f1,conjecture,(
% 0.22/0.33 ? [X0 : ((b > $o) > b > b > $o),X1 : ((b > $o) > b > b > $o)] : (! [X2 : (b > $o)] : ? [X3 : b] : ! [X4 : b] : ((X0 @ X2 @ X3 @ X4) | (X1 @ X2 @ X3 @ X4)) => ? [X5 : ((b > $o) > b)] : ! [X2 : (b > $o),X4 : b] : ((X0 @ X2 @ (X5 @ X2) @ X4) | (X1 @ X2 @ (X5 @ X2) @ X4))) => ? [X6 : ((b > $o) > b)] : ! [X7 : (b > $o)] : (? [X8 : b] : (X7 @ X8) => (X7 @ (X6 @ X7)))),
% 0.22/0.33 file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cX5310_SUB)).
% 0.22/0.33 thf(f2,negated_conjecture,(
% 0.22/0.33 ~(? [X0 : ((b > $o) > b > b > $o),X1 : ((b > $o) > b > b > $o)] : (! [X2 : (b > $o)] : ? [X3 : b] : ! [X4 : b] : ((X0 @ X2 @ X3 @ X4) | (X1 @ X2 @ X3 @ X4)) => ? [X5 : ((b > $o) > b)] : ! [X2 : (b > $o),X4 : b] : ((X0 @ X2 @ (X5 @ X2) @ X4) | (X1 @ X2 @ (X5 @ X2) @ X4))) => ? [X6 : ((b > $o) > b)] : ! [X7 : (b > $o)] : (? [X8 : b] : (X7 @ X8) => (X7 @ (X6 @ X7))))),
% 0.22/0.33 inference(negated_conjecture,[status(cth)],[f1])).
% 0.22/0.33 thf(f3,plain,(
% 0.22/0.33 ~(? [X0 : ((b > $o) > b > b > $o),X1 : ((b > $o) > b > b > $o)] : (! [X2 : (b > $o)] : ? [X3 : b] : ! [X4 : b] : ((X0 @ X2 @ X3 @ X4) | (X1 @ X2 @ X3 @ X4)) => ? [X5 : ((b > $o) > b)] : ! [X6 : (b > $o),X7 : b] : ((X0 @ X6 @ (X5 @ X6) @ X7) | (X1 @ X6 @ (X5 @ X6) @ X7))) => ? [X8 : ((b > $o) > b)] : ! [X9 : (b > $o)] : (? [X10 : b] : (X9 @ X10) => (X9 @ (X8 @ X9))))),
% 0.22/0.33 inference(rectify,[],[f2])).
% 0.22/0.33 thf(f4,plain,(
% 0.22/0.33 ~(? [X1 : ((b > $o) > b > b > $o),X0 : ((b > $o) > b > b > $o)] : (! [X2 : (b > $o)] : ? [X3 : b] : ! [X4 : b] : ((((X1 @ X2 @ X3 @ X4)) = $true) | (((X0 @ X2 @ X3 @ X4)) = $true)) => ? [X5 : ((b > $o) > b)] : ! [X6 : (b > $o),X7 : b] : ((((X1 @ X6 @ (X5 @ X6) @ X7)) = $true) | (((X0 @ X6 @ (X5 @ X6) @ X7)) = $true))) => ? [X8 : ((b > $o) > b)] : ! [X9 : (b > $o)] : (? [X10 : b] : ($true = ((X9 @ X10))) => (((X9 @ (X8 @ X9))) = $true)))),
% 0.22/0.33 inference(fool_elimination,[],[f3])).
% 0.22/0.33 thf(f6,plain,(
% 0.22/0.33 ( ! [X0 : $tType,X2 : X0,X1 : (X0 > $o)] : (($true = ((X1 @ (vEPSILON @ X0 @ X1)))) | ($false = ((X1 @ X2)))) )),
% 0.22/0.33 introduced(theory,[Hilbert's_choice_axiom_instance])).
% 0.22/0.33 thf(f7,plain,(
% 0.22/0.33 ? [X0 : ((b > $o) > b > b > $o),X1 : ((b > $o) > b > b > $o)] : (? [X5 : ((b > $o) > b)] : ! [X6 : (b > $o),X7 : b] : ((((X1 @ X6 @ (X5 @ X6) @ X7)) = $true) | (((X0 @ X6 @ (X5 @ X6) @ X7)) = $true)) | ? [X2 : (b > $o)] : ! [X3 : b] : ? [X4 : b] : ((((X1 @ X2 @ X3 @ X4)) != $true) & (((X0 @ X2 @ X3 @ X4)) != $true))) & ! [X8 : ((b > $o) > b)] : ? [X9 : (b > $o)] : (? [X10 : b] : ($true = ((X9 @ X10))) & (((X9 @ (X8 @ X9))) != $true))),
% 0.22/0.33 inference(ennf_transformation,[],[f4])).
% 0.22/0.33 thf(f8,plain,(
% 0.22/0.33 ? [X0 : ((b > $o) > b > b > $o),X1 : ((b > $o) > b > b > $o)] : (? [X2 : ((b > $o) > b)] : ! [X3 : (b > $o),X4 : b] : (($true = ((X1 @ X3 @ (X2 @ X3) @ X4))) | (((X0 @ X3 @ (X2 @ X3) @ X4)) = $true)) | ? [X5 : (b > $o)] : ! [X6 : b] : ? [X7 : b] : ((((X1 @ X5 @ X6 @ X7)) != $true) & (((X0 @ X5 @ X6 @ X7)) != $true))) & ! [X8 : ((b > $o) > b)] : ? [X9 : (b > $o)] : (? [X10 : b] : ($true = ((X9 @ X10))) & (((X9 @ (X8 @ X9))) != $true))),
% 0.22/0.33 inference(rectify,[],[f7])).
% 0.22/0.33 thf(f9,plain,(
% 0.22/0.33 (! [X3 : (b > $o),X4 : b] : (($true = ((sK1 @ X3 @ (sK2 @ X3) @ X4))) | ($true = ((sK0 @ X3 @ (sK2 @ X3) @ X4)))) | ! [X6 : b] : (($true != ((sK1 @ sK3 @ X6 @ (sK4 @ X6)))) & (((sK0 @ sK3 @ X6 @ (sK4 @ X6))) != $true))) & ! [X8 : ((b > $o) > b)] : ((((sK5 @ X8 @ (sK6 @ X8))) = $true) & ($true != ((sK5 @ X8 @ (X8 @ (sK5 @ X8))))))),
% 0.22/0.33 inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3,vAPP,vAPP,vAPP]),skolemize(X0,sK0),skolemize(X1,sK1),skolemize(X2,sK2),skolemize(X5,sK3),skolemize(X10,sK6 @ X8),skolemize(X10,sK6 @ X8),skolemize(X10,sK6 @ X8)],[f8])).
% 0.22/0.33 thf(f10,plain,(
% 0.22/0.33 ( ! [X8 : ((b > $o) > b)] : (($true != ((sK5 @ X8 @ (X8 @ (sK5 @ X8)))))) )),
% 0.22/0.33 inference(cnf_transformation,[],[f9])).
% 0.22/0.33 thf(f11,plain,(
% 0.22/0.33 ( ! [X8 : ((b > $o) > b)] : ((((sK5 @ X8 @ (sK6 @ X8))) = $true)) )),
% 0.22/0.33 inference(cnf_transformation,[],[f9])).
% 0.22/0.33 thf(f31,plain,(
% 0.22/0.33 ( ! [X0 : b] : (($false = ((sK5 @ vEPSILON @ b @ X0))) | ($true != $true)) )),
% 0.22/0.33 inference(superposition,[],[f10,f6])).
% 0.22/0.33 thf(f32,plain,(
% 0.22/0.33 ( ! [X0 : b] : (($false = ((sK5 @ vEPSILON @ b @ X0)))) )),
% 0.22/0.33 inference(trivial_inequality_removal,[],[f31])).
% 0.22/0.33 thf(f33,plain,(
% 0.22/0.33 ($false = $true)),
% 0.22/0.33 inference(superposition,[],[f32,f11])).
% 0.22/0.33 thf(f38,plain,(
% 0.22/0.33 $false),
% 0.22/0.33 inference(trivial_inequality_removal,[],[f33])).
% 0.22/0.33 % SZS output end Proof for theBenchmark
% 0.22/0.33 % (3171655)------------------------------
% 0.22/0.33 % (3171655)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.22/0.33 % (3171655)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.22/0.33 % (3171655)CaDiCaL version: 2.1.3
% 0.22/0.33 % (3171655)Termination reason: Refutation
% 0.22/0.33 % (3171655)Time elapsed: 0.003 s
% 0.22/0.33 % (3171655)Peak memory usage: 12 MB
% 0.22/0.33 % (3171655)Instructions burned: 4 (million)
% 0.22/0.33 % (3171636)Success in time 0.072 s
% 0.22/0.33 % Vampire exiting
%------------------------------------------------------------------------------